TAS5142DDV

8/3/2019 TAS5142DDV

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F E A T U R E S

A P P L I C A T I O N S

D E S C R I P T I O N

PVDD − Supply Voltage − V

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P O − O u t p u t P o w e r − W

8 Ω

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TC = 75°C

THD+N @ 10%

6Ω

G002

T A S 5 1 4 2

S L E S 1 2 6 B – D E C E M B E R 2 0 0 4 – R E V I S E D M A Y 2 0 0 5

S T E R E O D I G I T A L A M P L I F I E R P O W E R S T A G E

d e l i v e r h i g h - q u a l i t y , h i g h - e f f i c i e n c y a u d i o a m p l i f i c a t i o n w i t h p r o v e n E M I c o m p l i a n c e . T h i s d e v i c e r e q u i r e s t w o • 2 × 1 0 0 W a t 1 0 % T H D + N I n t o 4 - Ω B T L ( 1 )

p o w e r s u p p l i e s , a t 1 2 V f o r G V D D a n d V D D , a n d a t • 2 × 8 0 W a t 1 0 % T H D + N I n t o 6 - Ω B T L 3 2 V f o r P V D D . T h e T A S 5 1 4 2 d o e s n o t r e q u i r e p o w e r - u p s e q u e n c i n g d u e t o i n t e r n a l p o w e r - o n r e s e t . • 2 × 6 5 W a t 1 0 % T H D + N I n t o 8 - Ω B T L T h e e f f i c i e n c y o f t h i s d i g i t a l a m p l i f i e r i s g r e a t e r t h a n • 4 × 4 0 W a t 1 0 % T H D + N I n t o 3 - Ω S E 9 0 % i n t o 6 Ω , w h i c h e n a b l e s t h e u s e o f s m a l l e r

• 4 × 3 0 W a t 1 0 % T H D + N I n t o 4 - Ω S E p o w e r s u p p l i e s a n d h e a t s i n k s . • 1 × 1 6 0 W a t 1 0 % T H D + N I n t o 3 - Ω P B T L

T h e T A S 5 1 4 2 h a s a n i n n o v a t i v e p r o t e c t i o n s y s t e m • 1 × 2 0 0 W a t 1 0 % T H D + N I n t o 2 - Ω P B T L ( 1 )

i n t e g r a t e d o n - c h i p , s a f e g u a r d i n g t h e d e v i c e a g a i n s t a w i d e r a n g e o f f a u l t c o n d i t i o n s t h a t c o u l d d a m a g e t h e • > 1 0 0 d B S N R ( A - W e i g h t e d ) s y s t e m . T h e s e s a f e g u a r d s a r e s h o r t - c i r c u i t p r o t e c t i o n , • < 0 . 1 % T H D + N a t 1 W o v e r c u r r e n t p r o t e c t i o n , u n d e r v o l t a g e p r o t e c t i o n , a n d

• T w o T h e r m a l l y E n h a n c e d P a c k a g e O p t i o n s : o v e r t e m p e r a t u r e p r o t e c t i o n . T h e T A S 5 1 4 2 h a s a n e w – D K D ( 3 6 - p i n P S O P 3 ) p r o p r i e t a r y c u r r e n t - l i m i t i n g c i r c u i t t h a t r e d u c e s t h e

p o s s i b i l i t y o f d e v i c e s h u t d o w n d u r i n g h i g h - l e v e l m u s i c – D D V ( 4 4 - p i n H T S S O P ) t r a n s i e n t s . A n e w p r o g r a m m a b l e o v e r c u r r e n t d e t e c t o r

• H i g h - E f f i c i e n c y P o w e r S t a g e ( > 9 0 % ) W i t h a l l o w s t h e u s e o f l o w e r - c o s t i n d u c t o r s i n t h e d e m o d u - 1 4 0 - m Ω O u t p u t M O S F E T s l a t i o n o u t p u t f i l t e r .

• P o w e r - O n R e s e t f o r P r o t e c t i o n o n P o w e r U p B T L O U T P U T P O W E R v s S U P P L Y V O L T A G E

W i t h o u t A n y P o w e r - S u p p l y S e q u e n c i n g

• I n t e g r a t e d S e l f - P r o t e c t i o n C i r c u i t s I n c l u d i n g U n d e r v o l t a g e , O v e r t e m p e r a t u r e , O v e r l o a d ,

S h o r t C i r c u i t

• E r r o r R e p o r t i n g

• E M I C o m p l i a n t W h e n U s e d W i t h R e c o m m e n d e d S y s t e m D e s i g n

• I n t e l l i g e n t G a t e D r i v e

• M i n i / M i c r o A u d i o S y s t e m

• D V D R e c e i v e r

• H o m e T h e a t e r

T h e T A S 5 1 4 2 i s a t h i r d - g e n e r a t i o n , h i g h - p e r f o r m - a n c e , i n t e g r a t e d s t e r e o d i g i t a l a m p l i f i e r p o w e r s t a g e w i t h a n i m p r o v e d p r o t e c t i o n s y s t e m . T h e T A S 5 1 4 2 i s

( 1 ) I t i s n o t r e c o m m e n d e d t o d r i v e 2 0 0 W ( t o t a l c a p a b l e o f d r i v i n g a 4 - Ω b r i d g e - t i e d l o a d ( B T L ) a t u p p o w e r ) i n t o t h e D D V p a c k a g e c o n t i n u o u s l y . t o 1 0 0 W p e r c h a n n e l w i t h l o w i n t e g r a t e d n o i s e a t t h e F o r m u l t i c h a n n e l s y s t e m s t h a t r e q u i r e t w o

o u t p u t , l o w T H D + N p e r f o r m a n c e , a n d l o w i d l e p o w e r c h a n n e l s t o b e d r i v e n a t f u l l p o w e r w i t h t h e D D V p a c k a g e o p t i o n , i t i s r e c o m m e n d e d t o d i s s i p a t i o n . d e s i g n t h e s y s t e m s o t h a t t h e t w o c h a n n e l s

A l o w - c o s t , h i g h - f i d e l i t y a u d i o s y s t e m c a n b e b u i l t a r e i n t w o s e p a r a t e d e v i c e s . u s i n g a T I c h i p s e t , c o m p r i s i n g a m o d u l a t o r ( e . g . ,

P u r e P a t h D i g i t a l ™ T A S 5 5 0 8 ) a n d t h e T A S 5 1 4 2 . T h i s s y s t e m o n l y r e - q u i r e s a s i m p l e p a s s i v e L C d e m o d u l a t i o n f i l t e r t o

P l e a s e b e a w a r e t h a t a n i m p o r t a n t n o t i c e c o n c e r n i n g a v a i l a b i l i t y , s t a n d a r d w a r r a n t y , a n d u s e i n c r i t i c a l a p p l i c a t i o n s o f T e x a s I n s t r u m e n t s s e m i c o n d u c t o r p r o d u c t s a n d d i s c l a i m e r s t h e r e t o a p p e a r s a t t h e e n d o f t h i s d a t a s h e e t .

P u r e P a t h D i g i t a l , P o w e r P a d a r e t r a d e m a r k s o f T e x a s I n s t r u m e n t s . A l l t r a d e m a r k s a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s .

P R O D U C T I O N D A T A i n f o r m a t i o n i s c u r r e n t a s o f p u b l i c a t i o n d a t e . C o p y r i g h t © 2 0 0 4 – 2 0 0 5 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d P r o d u c t s c o n f o r m t o s p e c i f i c a t i o n s p e r t h e t e r m s o f t h e T e x a s I n s t r u m e n t s s t a n d a r d w a r r a n t y . P r o d u c t i o n p r o c e s s i n g d o e s n o t

n e c e s s a r i l y i n c l u d e t e s t i n g o f a l l p a r a m e t e r s .

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G E N E R A L I N F O R M A T I O N

T e r m i n a l A s s i g n m e n t

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GVDD_B

OTW

SDPWM_A

RESET_AB

PWM_B

OC_ADJ

GND

AGND

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RESET_CD

PWM_D

VDD

GVDD_C

GVDD_A

BST_A

PVDD_AOUT_A

GND_A

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OUT_B

PVDD_B

BST_B

BST_C

PVDD_C

OUT_C

GND_C

GND_D

OUT_D

PVDD_D

BST_D

GVDD_D

DKD PACKAGE

(TOP VIEW)

P0018-01

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OC_ADJ

GND

AGND

VREG

M3

M2

M1

PWM_C

RESET_CDPWM_D

NC

NC

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GVDD_C

DDV PACKAGE

(TOP VIEW)

GVDD_A

BST_A

NC

PVDD_APVDD_A

OUT_A

GND_A

GND_B

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PVDD_B

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P0016-02

T A S 5 1 4 2


T h e s e d e v i c e s h a v e l i m i t e d b u i l t - i n E S D p r o t e c t i o n . T h e l e a d s s h o u l d b e s h o r t e d t o g e t h e r o r t h e d e v i c e p l a c e d i n c o n d u c t i v e f o a m d u r i n g s t o r a g e o r h a n d l i n g t o p r e v e n t e l e c t r o s t a t i c d a m a g e t o t h e M O S g a t e s .

T h e T A S 5 1 4 2 i s a v a i l a b l e i n t w o t h e r m a l l y e n h a n c e d p a c k a g e s :

• 3 6 - p i n P S O P 3 p a c k a g e ( D K D )

• 4 4 - p i n H T S S O P P o w e r P a d ™ p a c k a g e ( D D V )

B o t h p a c k a g e t y p e s c o n t a i n a h e a t s l u g t h a t i s l o c a t e d o n t h e t o p s i d e o f t h e d e v i c e f o r c o n v e n i e n t t h e r m a l c o u p l i n g t o t h e h e a t s i n k .

2

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M O D E S e l e c t i o n P i n s f o r B o t h P a c k a g e s

P a c k a g e H e a t D i s s i p a t i o n R a t i n g s ( 1 )

T A S 5 1 4 2


G E N E R A L I N F O R M A T I O N ( c o n t i n u e d )

M O D E P I N S P W M I N P U T O U T P U T C O N F I G U R A T I O N P R O T E C T I O N S C H E M E

M 3 M 2 M 1

0 0 0 2 N ( 1 ) A D / B D m o d u l a t i o n 2 c h a n n e l s B T L o u t p u t B T L m o d e ( 2 )

0 0 1 R e s e r v e d

0 1 0 1 N ( 1 ) A D m o d u l a t i o n 2 c h a n n e l s B T L o u t p u t B T L m o d e ( 2 )

0 1 1 1 N ( 1 ) A D m o d u l a t i o n 1 c h a n n e l P B T L o u t p u t P B T L m o d e . O n l y P W M _ A i n p u t i s u s e d .

P r o t e c t i o n w o r k s s i m i l a r l y t o B T L m o d e ( 2 ) . O n l y d i f f e r e n c e i n S E m o d e i s t h a t O U T _ X i s H i - Z

1 0 0 1 N ( 1 ) A D m o d u l a t i o n 4 c h a n n e l s S E o u t p u t i n s t e a d o f a p u l l d o w n t h r o u g h i n t e r n a l p u l l d o w n r e s i s t o r .

1 0 1

1 1 0 R e s e r v e d

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( 1 ) T h e 1 N a n d 2 N n a m i n g c o n v e n t i o n i s u s e d t o i n d i c a t e t h e r e q u i r e d n u m b e r o f P W M l i n e s t o t h e p o w e r s t a g e p e r c h a n n e l i n a s p e c i f i c m o d e .

( 2 ) A n o v e r l o a d p r o t e c t i o n ( O L P ) o c c u r r i n g o n A o r B c a u s e s b o t h c h a n n e l s t o s h u t d o w n . A n O L P o n C o r D w o r k s s i m i l a r l y . G l o b a l e r r o r s

l i k e o v e r t e m p e r a t u r e e r r o r ( O T E ) , u n d e r v o l t a g e p r o t e c t i o n ( U V P ) , a n d p o w e r - o n r e s e t ( P O R ) a f f e c t a l l c h a n n e l s .

P A R A M E T E R T A S 5 1 4 2 D K D T A S 5 1 4 2 D D V

R θ J C ( ° C / W ) — 2 B T L o r 4 S E c h a n n e l s ( 8 t r a n s i s t o r s ) 1 . 2 8 1 . 2 8

R θ J C ( ° C / W ) — 1 B T L o r 2 S E c h a n n e l ( s ) ( 4 t r a n s i s t o r s ) 2 . 5 6 2 . 5 6

R θ J C ( ° C / W ) — ( 1 t r a n s i s t o r ) 8 . 6 8 . 6

P a d a r e a ( 2 ) 8 0 m m 2 3 6 m m 2

( 1 ) J C i s j u n c t i o n - t o - c a s e , C H i s c a s e - t o - h e a t s i n k . ( 2 ) R θ C H i s a n i m p o r t a n t c o n s i d e r a t i o n . A s s u m e a 2 - m i l t h i c k n e s s o f t y p i c a l t h e r m a l g r e a s e b e t w e e n t h e p a d a r e a a n d t h e h e a t s i n k . T h e

R θ C H w i t h t h i s c o n d i t i o n i s 0 . 8 ° C / W f o r t h e D K D p a c k a g e a n d 1 . 8 ° C / W f o r t h e D D V p a c k a g e .

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A B S O L U T E M A X I M U M R A T I N G S

T A S 5 1 4 2


o v e r o p e r a t i n g f r e e - a i r t e m p e r a t u r e r a n g e u n l e s s o t h e r w i s e n o t e d ( 1 )

T A S 5 1 4 2

V D D t o A G N D – 0 . 3 V t o 1 3 . 2 V

G V D D _ X t o A G N D – 0 . 3 V t o 1 3 . 2 V

P V D D _ X t o G N D _ X ( 2 )

– 0 . 3 V t o 5 0 V O U T _ X t o G N D _ X ( 2 ) – 0 . 3 V t o 5 0 V

B S T _ X t o G N D _ X ( 2 ) – 0 . 3 V t o 6 3 . 2 V

V R E G t o A G N D – 0 . 3 V t o 4 . 2 V

G N D _ X t o G N D – 0 . 3 V t o 0 . 3 V

G N D _ X t o A G N D – 0 . 3 V t o 0 . 3 V

G N D t o A G N D – 0 . 3 V t o 0 . 3 V

P W M _ X , O C _ A D J , M 1 , M 2 , M 3 t o A G N D – 0 . 3 V t o 4 . 2 V

R E S E T _ X , S D , O T W t o A G N D – 0 . 3 V t o 7 V

M a x i m u m c o n t i n u o u s s i n k c u r r e n t ( S D , O T W ) 9 m A

M a x i m u m o p e r a t i n g j u n c t i o n t e m p e r a t u r e r a n g e , T J 0 ° C t o 1 2 5 ° C

S t o r a g e t e m p e r a t u r e – 4 0 ° C t o 1 2 5 ° C

L e a d t e m p e r a t u r e , 1 , 6 m m ( 1 / 1 6 i n c h ) f r o m c a s e f o r 1 0 s e c o n d s 2 6 0 ° C

M i n i m u m p u l s e d u r a t i o n , l o w 5 0 n s

( 1 ) S t r e s s e s b e y o n d t h o s e l i s t e d u n d e r " a b s o l u t e m a x i m u m r a t i n g s " m a y c a u s e p e r m a n e n t d a m a g e t o t h e d e v i c e . T h e s e a r e s t r e s s r a t i n g s o n l y , a n d f u n c t i o n a l o p e r a t i o n o f t h e d e v i c e a t t h e s e o r a n y o t h e r c o n d i t i o n s b e y o n d t h o s e i n d i c a t e d u n d e r " r e c o m m e n d e d o p e r a t i n g c o n d i t i o n s " i s n o t i m p l i e d . E x p o s u r e t o a b s o l u t e - m a x i m u m - r a t e d c o n d i t i o n s f o r e x t e n d e d p e r i o d s m a y a f f e c t d e v i c e r e l i a b i l i t y .

( 2 ) T h e s e v o l t a g e s r e p r e s e n t t h e d c v o l t a g e + p e a k a c w a v e f o r m m e a s u r e d a t t h e t e r m i n a l o f t h e d e v i c e i n a l l c o n d i t i o n s .

O R D E R I N G I N F O R M A T I O N

T A P A C K A G E D E S C R I P T I O N

0 ° C t o 7 0 ° C T A S 5 1 4 6 D K D 3 6 - p i n P S O P 3

0 ° C t o 7 0 ° C T A S 5 1 4 2 D D V 4 4 - p i n H T S S O P

F o r t h e m o s t c u r r e n t s p e c i f i c a t i o n a n d p a c k a g e i n f o r m a t i o n , s e e t h e T I W e b s i t e a t w w w . t i . c o m .

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T e r m i n a l F u n c t i o n s

T A S 5 1 4 2


T E R M I N A L F U N C T I O N ( 1 ) D E S C R I P T I O N

N A M E D K D N O . D D V N O .

A G N D 9 1 1 P A n a l o g g r o u n d

B S T _ A 3 5 4 3 P H S b o o t s t r a p s u p p l y ( B S T ) , e x t e r n a l c a p a c i t o r t o O U T _ A r e q u i r e d

B S T _ B 2 8 3 4 P H S b o o t s t r a p s u p p l y ( B S T ) , e x t e r n a l c a p a c i t o r t o O U T _ B r e q u i r e d B S T _ C 2 7 3 3 P H S b o o t s t r a p s u p p l y ( B S T ) , e x t e r n a l c a p a c i t o r t o O U T _ C r e q u i r e d

B S T _ D 2 0 2 4 P H S b o o t s t r a p s u p p l y ( B S T ) , e x t e r n a l c a p a c i t o r t o O U T _ D r e q u i r e d

G N D 8 1 0 P G r o u n d

G N D _ A 3 2 3 8 P P o w e r g r o u n d f o r h a l f - b r i d g e A

G N D _ B 3 1 3 7 P P o w e r g r o u n d f o r h a l f - b r i d g e B

G N D _ C 2 4 3 0 P P o w e r g r o u n d f o r h a l f - b r i d g e C

G N D _ D 2 3 2 9 P P o w e r g r o u n d f o r h a l f - b r i d g e D

G V D D _ A 3 6 4 4 P G a t e - d r i v e v o l t a g e s u p p l y r e q u i r e s 0 . 1 - µ F c a p a c i t o r t o A G N D

G V D D _ B 1 1 P G a t e - d r i v e v o l t a g e s u p p l y r e q u i r e s 0 . 1 - µ F c a p a c i t o r t o A G N D

G V D D _ C 1 8 2 2 P G a t e - d r i v e v o l t a g e s u p p l y r e q u i r e s 0 . 1 - µ F c a p a c i t o r t o A G N D

G V D D _ D 1 9 2 3 P G a t e - d r i v e v o l t a g e s u p p l y r e q u i r e s 0 . 1 - µ F c a p a c i t o r t o A G N D

M 1 1 3 1 5 I M o d e s e l e c t i o n p i n



N C – 3 , 4 , 1 9 , 2 0 , 2 5 , – N o c o n n e c t . P i n s m a y b e g r o u n d e d . 4 2

O C _ A D J 7 9 O A n a l o g o v e r c u r r e n t p r o g r a m m i n g p i n r e q u i r e s r e s i s t o r t o g r o u n d

O T W 2 2 O O v e r t e m p e r a t u r e w a r n i n g s i g n a l , o p e n - d r a i n , a c t i v e - l o w

O U T _ A 3 3 3 9 O O u t p u t , h a l f - b r i d g e A

O U T _ B 3 0 3 6 O O u t p u t , h a l f - b r i d g e B

O U T _ C 2 5 3 1 O O u t p u t , h a l f - b r i d g e C

O U T _ D 2 2 2 8 O O u t p u t , h a l f - b r i d g e D

P V D D _ A 3 4 4 0 , 4 1 P P o w e r s u p p l y i n p u t f o r h a l f - b r i d g e A r e q u i r e s c l o s e d e c o u p l i n g o f

0 . 1 - µ F c a p a c i t o r t o G N D _ A .

P V D D _ B 2 9 3 5 P P o w e r s u p p l y i n p u t f o r h a l f - b r i d g e B r e q u i r e s c l o s e d e c o u p l i n g o f 0 . 1 - µ F c a p a c i t o r t o G N D _ B .

P V D D _ C 2 6 3 2 P P o w e r s u p p l y i n p u t f o r h a l f - b r i d g e C r e q u i r e s c l o s e d e c o u p l i n g o f 0 . 1 - µ F c a p a c i t o r t o G N D _ C .

P V D D _ D 2 1 2 6 , 2 7 P P o w e r s u p p l y i n p u t f o r h a l f - b r i d g e D r e q u i r e s c l o s e d e c o u p l i n g o f 0 . 1 - µ F c a p a c i t o r t o G N D _ D .

P W M _ A 4 6 I I n p u t s i g n a l f o r h a l f - b r i d g e A

P W M _ B 6 8 I I n p u t s i g n a l f o r h a l f - b r i d g e B

P W M _ C 1 4 1 6 I I n p u t s i g n a l f o r h a l f - b r i d g e C

P W M _ D 1 6 1 8 I I n p u t s i g n a l f o r h a l f - b r i d g e D

R E S E T _ A B 5 7 I R e s e t s i g n a l f o r h a l f - b r i d g e A a n d h a l f - b r i d g e B , a c t i v e - l o w

R E S E T _ C D 1 5 1 7 I R e s e t s i g n a l f o r h a l f - b r i d g e C a n d h a l f - b r i d g e D , a c t i v e - l o w

S D 3 5 O S h u t d o w n s i g n a l , o p e n - d r a i n , a c t i v e - l o w

V D D 1 7 2 1 P P o w e r s u p p l y f o r d i g i t a l v o l t a g e r e g u l a t o r r e q u i r e s 0 . 1 - µ F c a p a c i t o r t o G N D .

V R E G 1 0 1 2 P D i g i t a l r e g u l a t o r s u p p l y f i l t e r p i n r e q u i r e s 0 . 1 - µ F c a p a c i t o r t o A G N D .

( 1 ) I = i n p u t , O = o u t p u t , P = p o w e r

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S Y S T E M B L O C K D I A G R A M

2nd-Order L-C

Output Filterfor Each

Half-Bridge

Bootstrap

Capacitors

2-Channel

H-Bridge

BTL Mode

System

Microcontroller

OUT_A

OUT_B

OUT_C

OUT_D

BST_A

BST_B

BST_C

BST_D

RESET_AB

RESET_CD

System

PowerSupply

Hardwire

Mode

Control

PVDD

GVDD (12 V)/VDD (12 V)

GND

Hardwire

OC Limit

M1

M3

PVDD

Power

Supply

Decoupling

32 V

12 V

GND

VAC

PWM_A

PWM_C

PWM_D

PWM_B

VALID

M2

Left-

ChannelOutput

Right-

Channel

Output

Input

H-Bridge 1

Input

H-Bridge 2

GVDD

VDDVREG

Power Supply

Decoupling

4

P V D

D_

A , B , C , D

G N D

_ A , B , C , D

G V D

D_

A , B , C , D

4 4

V D D

G N D

V R E

G

A G N

D

O C_

A D J

Bootstrap

Capacitors

2nd-Order L-C

Output Filter

for Each

Half-Bridge

S D

O T W

Output

H-Bridge 2

Output

H-Bridge 1

OTW

SD

TAS5508

B0047-01

T A S 5 1 4 2


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F U N C T I O N A L B L O C K D I A G R A M

Temp.

Sense

M1

M2

RESET_AB

SD

OTW

AGND

OC_ADJ

VREG VREG

VDD

M3

Power

OnReset

Under-

voltage

Protection

GND

PWM_D OUT_D

GND_D

PVDD_D

BST_D

TimingGate

Drive

PWM

Rcv.

Overload

ProtectionIsense

GVDD_D

RESET_CD

4

Protection

and

I/O Logic

PWM_C OUT_C

GND_C

PVDD_C

BST_C

TimingGate

DriveCtrl.

PWM

Rcv.

GVDD_C

PWM_B OUT_B

GND_B

PVDD_B

BST_B

TimingGate

DriveCtrl.

PWM

Rcv.

GVDD_B

PWM_A OUT_A

GND_A

PVDD_A

BST_A

TimingGate

DriveCtrl.

PWM

Rcv.

GVDD_A

Ctrl.

BTL/PBTL−Configuration

Pulldown Resistor


Pulldown Resistor


Pulldown Resistor


Pulldown Resistor

Internal Pullup

Resistors to VREG

B0034-02

T A S 5 1 4 2


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A U D I O S P E C I F I C A T I O N S ( S i n g l e - E n d e d O u t p u t )

A U D I O S P E C I F I C A T I O N S ( P B T L )

T A S 5 1 4 2


P V D D _ X = 3 2 V , G V D D = V D D = 1 2 V , S E m o d e , R L = 4 Ω , a u d i o f r e q u e n c y = 1 k H z , A E S 1 7 f i l t e r , F P W M = 3 8 4 k H z , c a s e

t e m p e r a t u r e = 7 5 ° C , u n l e s s o t h e r w i s e n o t e d . A u d i o p e r f o r m a n c e i s r e c o r d e d a s a c h i p s e t , u s i n g T A S 5 0 8 6 P W M p r o c e s s o r

w i t h a n e f f e c t i v e m o d u l a t i o n i n d e x l i m i t o f 9 6 . 1 % . A l l p e r f o r m a n c e i s i n a c c o r d a n c e w i t h r e c o m m e n d e d o p e r a t i n g c o n d i t i o n s

u n l e s s o t h e r w i s e s p e c i f i e d .

T A S 5 1 4 2

P A R A M E T E R T E S T C O N D I T I O N S U N I T M I N T Y P M A X

R L = 3 Ω , 1 0 % T H D , c l i p p e d i n p u t 4 0

s i g n a l

R L = 4 Ω , 1 0 % T H D , c l i p p e d i n p u t 3 0

s i g n a l P O P o w e r o u t p u t p e r c h a n n e l , D K D p a c k a g e W

R L = 3 Ω , 0 d B F S , u n c l i p p e d i n p u t 3 0

s i g n a l

R L = 4 Ω , 0 d B F S , u n c l i p p e d i n p u t 2 0

s i g n a l

0 d B F S 0 . 2 % T H D + N T o t a l h a r m o n i c d i s t o r t i o n + n o i s e

1 W 0 . 1 %

V n O u t p u t i n t e g r a t e d n o i s e A - w e i g h t e d 9 0 µ V

S N R S i g n a l - t o - n o i s e r a t i o ( 1 ) A - w e i g h t e d 1 0 0 d B

A - w e i g h t e d , i n p u t l e v e l = – 6 0 d B F S D N R D y n a m i c r a n g e 1 0 0 d B

u s i n g T A S 5 5 0 8 m o d u l a t o r

P i d l e P o w e r d i s s i p a t i o n d u e t o i d l e l o s s e s ( I P V D D _ X ) P O = 0 W , 4 c h a n n e l s s w i t c h i n g ( 2 ) 2 W

( 1 ) S N R i s c a l c u l a t e d r e l a t i v e t o 0 - d B F S i n p u t l e v e l . ( 2 ) A c t u a l s y s t e m i d l e l o s s e s a r e a f f e c t e d b y c o r e l o s s e s o f o u t p u t i n d u c t o r s .

P V D D _ X = 3 2 V , G V D D = V D D = 1 2 V , P B T L m o d e , R L = 3 Ω , a u d i o f r e q u e n c y = 1 k H z , A E S 1 7 f i l t e r , F P W M = 3 8 4 k H z , c a s e

t e m p e r a t u r e = 7 5 ° C , u n l e s s o t h e r w i s e n o t e d . A u d i o p e r f o r m a n c e i s r e c o r d e d a s a c h i p s e t , u s i n g T A S 5 5 0 8 P W M p r o c e s s o r

w i t h a n e f f e c t i v e m o d u l a t i o n i n d e x l i m i t o f 9 6 . 1 % . A l l p e r f o r m a n c e i s i n a c c o r d a n c e w i t h r e c o m m e n d e d o p e r a t i n g c o n d i t i o n s


T A S 5 1 4 2 P A R A M E T E R T E S T C O N D I T I O N S U N I T

M I N T Y P M A X R L = 3 Ω , 1 0 % T H D , c l i p p e d i n p u t

1 6 0 s i g n a l

R L = 2 Ω , 1 0 % T H D , c l i p p e d i n p u t 2 0 0

s i g n a l P O P o w e r o u t p u t p e r c h a n n e l , D K D p a c k a g e W

R L = 3 Ω , 0 d B F S , u n c l i p p e d i n p u t 1 2 0

s i g n a l

R L = 2 Ω , 0 d B F S , u n c l i p p e d i n p u t 1 5 0

s i g n a l

0 d B F S 0 . 2 % T H D + N T o t a l h a r m o n i c d i s t o r t i o n + n o i s e

1 W 0 . 1 %

V n O u t p u t i n t e g r a t e d n o i s e A - w e i g h t e d 1 4 0 µ V

S N R S i g n a l - t o - n o i s e r a t i o ( 1 ) A - w e i g h t e d 1 0 2 d B

A - w e i g h t e d , i n p u t l e v e l = – 6 0 d B F S 1 0 2 u s i n g T A S 5 5 0 8 m o d u l a t o r

D N R D y n a m i c r a n g e d B A - w e i g h t e d , i n p u t l e v e l = – 6 0 d B F S

1 1 0 u s i n g T A S 5 5 1 8 m o d u l a t o r

P i d l e P o w e r d i s s i p a t i o n d u e t o i d l e l o s s e s ( I P V D D _ X ) P O = 0 W , 1 c h a n n e l s w i t c h i n g ( 2 ) 2 W

( 1 ) S N R i s c a l c u l a t e d r e l a t i v e t o 0 - d B F S i n p u t l e v e l . ( 2 ) A c t u a l s y s t e m i d l e l o s s e s a r e a f f e c t e d b y c o r e l o s s e s o f o u t p u t i n d u c t o r s .

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E L E C T R I C A L C H A R A C T E R I S T I C S

T A S 5 1 4 2


R L = 4 Ω , F P W M = 3 8 4 k H z , u n l e s s o t h e r w i s e n o t e d . A l l p e r f o r m a n c e i s i n a c c o r d a n c e w i t h r e c o m m e n d e d o p e r a t i n g c o n d i t i o n s


T A S 5 1 4 2 P A R A M E T E R T E S T C O N D I T I O N S U N I T

M I N T Y P M A X

I n t e r n a l V o l t a g e R e g u l a t o r a n d C u r r e n t C o n s u m p t i o n

V o l t a g e r e g u l a t o r , o n l y u s e d a s a V R E G V D D = 1 2 V 3 3 . 3 3 . 6 V

r e f e r e n c e n o d e

O p e r a t i n g , 5 0 % d u t y c y c l e 7 1 7 I V D D V D D s u p p l y c u r r e n t m A

I d l e , r e s e t m o d e 6 1 1

5 0 % d u t y c y c l e 5 1 6 I G V D D _ X G a t e s u p p l y c u r r e n t p e r h a l f - b r i d g e m A

R e s e t m o d e 0 . 3 1

5 0 % d u t y c y c l e , w i t h o u t o u t p u t f i l t e r o r l o a d 1 5 2 5 m A I P V D D _ X H a l f - b r i d g e i d l e c u r r e n t

R e s e t m o d e , n o s w i t c h i n g 7 2 5 µ A

O u t p u t S t a g e M O S F E T s

T J = 2 5 ° C , i n c l u d e s m e t a l l i z a t i o n r e s i s t a n c e , R D S o n , L S D r a i n - t o - s o u r c e r e s i s t a n c e , L S 1 4 0 1 5 5 m Ω

G V D D = 1 2 V

T J = 2 5 ° C , i n c l u d e s m e t a l l i z a t i o n r e s i s t a n c e ,

R D S o n , H S D r a i n - t o - s o u r c e r e s i s t a n c e , H S 1 4 0 1 5 5 m Ω G V D D = 1 2 V

I / O P r o t e c t i o n

U n d e r v o l t a g e p r o t e c t i o n l i m i t , V u v p , G 9 . 8 V

G V D D _ X

V u v p , h y s t ( 1 ) 2 5 0 m V

O T W ( 1 ) O v e r t e m p e r a t u r e w a r n i n g 1 1 5 1 2 5 1 3 5 ° C

T e m p e r a t u r e d r o p n e e d e d b e l o w O T W H Y S T

( 1 ) O T W t e m p . f o r O T W t o b e i n a c t i v e 2 5 ° C a f t e r t h e O T W e v e n t

O T E ( 1 ) O v e r t e m p e r a t u r e e r r o r 1 4 5 1 5 5 1 6 5 ° C

O T E - O T E - O T W d i f f e r e n t i a l 3 0 ° C

O T W d i f f e r e n t i a l ( 1 )

A r e s e t e v e n t m u s t o c c u r f o r S D t o O T E

H Y S T

( 1 ) 2 5 ° C b e r e l e a s e d f o l l o w i n g a n O T E e v e n t .

O L P C O v e r l o a d p r o t e c t i o n c o u n t e r F P W M = 3 8 4 k H z 1 . 2 5 m s

R e s i s t o r — p r o g r a m m a b l e , h i g h - e n d , I O C O v e r c u r r e n t l i m i t p r o t e c t i o n 7 . 9 9 . 7 1 1 . 4 A

R O C P = 1 8 k Ω

I O C T O v e r c u r r e n t r e s p o n s e t i m e 2 1 0 n s

R O C P O C p r o g r a m m i n g r e s i s t o r r a n g e R e s i s t o r t o l e r a n c e = 5 % 1 8 6 9 k Ω

C o n n e c t e d w h e n R E S E T i s a c t i v e t o p r o v i d e I n t e r n a l p u l l d o w n r e s i s t o r a t t h e o u t -

R P D b o o t s t r a p c a p a c i t o r c h a r g e . N o t u s e d i n S E 2 . 5 k Ω p u t o f e a c h h a l f - b r i d g e

m o d e

S t a t i c D i g i t a l S p e c i f i c a t i o n s

V I H H i g h - l e v e l i n p u t v o l t a g e 2 V P W M _ A , P W M _ B , P W M _ C , P W M _ D , M 1 , M 2 , M 3 , R E S E T _ A B , R E S E T _ C D V I L L o w - l e v e l i n p u t v o l t a g e 0 . 8 V

L e a k a g e I n p u t l e a k a g e c u r r e n t – 1 0 1 0 µ A

O T W / S H U T D O W N ( S D )

I n t e r n a l p u l l u p r e s i s t a n c e , O T W t o R I N T _ P U 2 0 2 6 3 2 k Ω

V R E G , S D t o V R E G

I n t e r n a l p u l l u p r e s i s t o r 3 3 . 3 3 . 6 V O H H i g h - l e v e l o u t p u t v o l t a g e V

E x t e r n a l p u l l u p o f 4 . 7 k Ω t o 5 V 4 . 5 5

V O L L o w - l e v e l o u t p u t v o l t a g e I O = 4 m A 0 . 2 0 . 4 V

F A N O U T D e v i c e f a n o u t O T W , S D N o e x t e r n a l p u l l u p 3 0 D e v i c e s

( 1 ) S p e c i f i e d b y d e s i g n

1 0

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T Y P I C A L C H A R A C T E R I S T I C S , B T L C O N F I G U R A T I O N


0

10

20

30

40

50

60

70

80

90

100

110120

0 4 8 12 16 20 24 28 32


8 Ω

4 Ω

TC = 75°C

THD+N @ 10%

6 Ω

G002

PO − Output Power − W

101

T H D + N

− T o t a l H a r m o n i c D i s t o r t i o n + N o i s e − %

0.01

0.1

10

1

TC = 75°C

PVDD = 32 V

One Channel

100

4 Ω6 Ω

8 Ω

G001


0

10

20

30

40

50

60

70

80

90

100

110

120

0 4 8 12 16 20 24 28 32


8 Ω

4 Ω

TC = 75°C

6 Ω

G003


0

10

20

30

40

50

60

70

80

90

100

0 20 40 60 80 100 120 140 160 180 200 220

E f f i c i e n c y − %

6 Ω4 Ω

TC = 25°C

8 Ω

G004

T A S 5 1 4 2


T O T A L H A R M O N I C D I S T O R T I O N + N O I S E O U T P U T P O W E R v s v s

O U T P U T P O W E R S U P P L Y V O L T A G E

F i g u r e 1 . F i g u r e 2 .

U N C L I P P E D O U T P U T P O W E R S Y S T E M E F F I C I E N C Y v s v s

S U P P L Y V O L T A G E O U T P U T P O W E R

F i g u r e 3 . F i g u r e 4 .

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0

5

10

15

20

25

30

35

40

0 20 40 60 80 100 120 140 160 180 200 220

P o w e r L o s s − W

6 Ω

4 Ω

8 Ω

TC = 25°C

G005

TC − Case Temperature − °C

0

10

20

30

40

50

60

70

80

90

100

110120

130

10 20 30 40 50 60 70 80 90 100 110 120


8 Ω

4 Ω

THD+N @ 10%

6 Ω

G006

f − Frequency − kHz

−150

−140

−130

−120

−110

−100

−90

−80

−70

−60

−50

−40

−30

−20

−10

0

0 2 4 6 8 10 12 14 16 18 20 22

N o i s e A m p l i t u d e − d B r

TC = 75°C

G007

T A S 5 1 4 2


T Y P I C A L C H A R A C T E R I S T I C S , B T L C O N F I G U R A T I O N ( c o n t i n u e d )

S Y S T E M P O W E R L O S S S Y S T E M O U T P U T P O W E R v s v s

O U T P U T P O W E R C A S E T E M P E R A T U R E

F i g u r e 5 . F i g u r e 6 .

N O I S E A M P L I T U D E v s

F R E Q U E N C Y

F i g u r e 7 .

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T Y P I C A L C H A R A C T E R I S T I C S , S E C O N F I G U R A T I O N


101

T H

D + N − T o t a l H a r m o n i c D i s t o r t i o n + N o i s e

− %

0.01

0.1

10

1

TC = 75°C

Digital Gain = 3 dB

3 Ω

4 Ω

50

G008PVDD − Supply Voltage − V

0

5

10

15

20

25

30

35

40

45

50

0 4 8 12 16 20 24 28 32


4 Ω

TC = 75°C

THD+N @ 10%

3 Ω

G009

TC − Case Temperature − °C

0

5

10

15

20

25

30

35

40

45

50

55

60

10 20 30 40 50 60 70 80 90 100 110 120


4 Ω

THD+N @ 10%

3 Ω

G010

T A S 5 1 4 2




F i g u r e 8 . F i g u r e 9 .

O U T P U T P O W E R v s

C A S E T E M P E R A T U R E

F i g u r e 1 0 .

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T Y P I C A L C H A R A C T E R I S T I C S , P B T L C O N F I G U R A T I O N


101

T H

D + N − T o t a l H a r m o n i c D i s t o r t i o n + N o i s e

− %

0.01

0.1

10

1

TC = 75°C

Digital Gain = 3 dB

2 Ω

3 Ω

200100

G011PVDD − Supply Voltage − V

0

20

40

60

80

100

120

140

160

180

200

220

0 4 8 12 16 20 24 28 32


3 Ω

TC = 75°C

THD+N @ 10%

2 Ω

G012

150

160

170

180

190

200

210

220

230

240

250

10 20 30 40 50 60 70 80 90 100 110 120TC − Case Temperature − °C


THD+N @ 10%

2Ω

3 Ω

G013

T A S 5 1 4 2




F i g u r e 1 1 . F i g u r e 1 2 .

S Y S T E M O U T P U T P O W E R v s

C A S E T E M P E R A T U R E

F i g u r e 1 3 .

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VALID

GVDD

10 Ω

10 Ω10 µF

100 nF

GVDD

1 Ω

100 nF

Shutdown

PWM1_P

PWM1_M

PWM2_P

PWM2_M

PWM_A

PWM_C

OTW

RESET_AB

M2

M3

RESET_CD

VDD

GVDD_C

GVDD_B

PWM_D

VREG

M1

SD

AGND

PWM_B

OC_ADJ

GND

GND_C

OUT_A

BST_A

OUT_B

BST_B

PVDD_B

PVDD_A

BST_C

PVDD_C

OUT_C

GND_A

GND_B

OUT_D

PVDD_D

BST_D

36

35

34

33

23

19

20

21

22

24

25

26

27

28

32

31

30

29

GND_D

GVDD_D

GVDD_A

13

14

15

16

17

18

1

2

3

4

5

6

7

8

9

10

11

12

Microcontroller

22 kΩ

100 nF

33 nF

33 nF

33 nF

33 nF

100 nF

50 V

100 nF

50 V

100 nF

50 V

1000 µF

50 V

PVDD

470 nF

100 V

10 µH@10 A

10 nF

50 V

10 nF50 V

3.3 Ω

3.3 Ω

100 nF

50 V

100 nF50 V

3.3 Ω

10 nF

50 V

10 nF

50 V

1000 µF

50 V

PVDD

3.3 Ω

100 nF

50 V47 µF

50 V

47 µF

50 V

47 µF

50 V

10 µF100 nF

100 nF

100 nF

10 µH@10 A

TAS5142DKD

0 Ω

Optional

TAS5508

10 Ω

10 Ω

47 µF

50 V

470 nF

100 V

10 µH@10 A

10 nF50 V

10 nF50 V

3.3 Ω

3.3 Ω

100 nF50 V

100 nF50 V

10 µH@10 A

S0070-01

T A S 5 1 4 2


F i g u r e 1 4 . T y p i c a l D i f f e r e n t i a l ( 2 N ) B T L A p p l i c a t i o n W i t h A D M o d u l a t i o n F i l t e r s

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VALID

GVDD

10 Ω

10 Ω10 µF

100 nF

GVDD

1 Ω

100 nF

Shutdown

PWM1

PWM2

PWM_A

PWM_C

OTW

RESET_AB

M2

M3

RESET_CD

VDD

GVDD_C

GVDD_B

PWM_D

VREG

M1

SD

AGND

PWM_B

OC_ADJ

GND

GND_C

OUT_A

BST_A

OUT_B

BST_B

PVDD_B

PVDD_A

BST_C

PVDD_C

OUT_C

GND_A

GND_B

OUT_D

PVDD_D

BST_D

36

35

34

33

23

19

20

21

22

24

25

26

27

28

32

31

30

29

GND_D

GVDD_D

GVDD_A

13

14

15

16

17

18

1

2

3

4

5

6

7

8

9

10

11

12

Microcontroller

22 kΩ

100 nF

33 nF

33 nF

33 nF

100 nF

50 V

100 nF

50 V

100 nF

50 V

1000 µF

50 V

PVDD

470 nF

100 V

10 µH@10 A

10 nF

50 V

10 nF50 V

3.3 Ω

3.3 Ω

100 nF

50 V

50 nF100 V

3.3 Ω

10 nF

50 V

10 nF

50 V

1000 µF

50 V

PVDD

3.3 Ω

100 nF

50 V47 µF

50 V

47 µF

50 V

47 µF

50 V

10 µF100 nF

100 nF

100 nF

10 µH@10 A

TAS5142DKD

0 Ω

Optional

TAS5508

10 Ω

10 Ω

47 µF

50 V

470 nF

100 V

10 µH@10 A

10 nF50 V

10 nF50 V

3.3 Ω

3.3 Ω

100 nF50 V

100 nF50 V

10 µH@10 A

33 nF

No connect

No connect

S0070-02

T A S 5 1 4 2


F i g u r e 1 5 . T y p i c a l N o n - D i f f e r e n t i a l ( 1 N ) B T L A p p l i c a t i o n W i t h A D M o d u l a t i o n F i l t e r s

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PVDD/2

PVDD/2

PVDD/2

PVDD/2

VALID

GVDD

10 Ω

10 Ω10 µF

100 nF

GVDD

1 Ω

100 nF

Shutdown

PWM1_P1

PWM2_P

PWM3_P

PWM4_P

PWM_A

PWM_C

OTW

RESET_AB

M2

M3

RESET_CD

VDD

GVDD_C

GVDD_B

PWM_D

VREG

M1

SD

AGND

PWM_B

OC_ADJ

GND

GND_C

OUT_A

BST_A

OUT_B

BST_B

PVDD_B

PVDD_A

BST_C

PVDD_C

OUT_C

GND_A

GND_B

OUT_D

PVDD_D

BST_D

36

35

34

33

23

19

20

21

22

24

25

26

27

28

32

31

30

29

GND_D

GVDD_D

GVDD_A

13

14

15

16

17

18

1

2

3

4

5

6

7

8

9

10

11

12

Microcontroller

39 kΩ

100 nF

33 nF

33 nF

33 nF

33 nF

100 nF

50 V

100 nF

50 V

100 nF

50 V

1000 µF

50 V

PVDD

10 µH@10 A

3.3 Ω

10 nF

50 V

10 nF

50 V

1000 µF50 V

PVDD

3.3 Ω

100 nF

50 V47 µF

50 V

47 µF

50 V

47 µF

50 V

10 µF100 nF

100 nF

100 nF

10 µH@10 A

TAS5142DKD

0 Ω

Optional

TAS5508

10 Ω

10 Ω

47 µF

50 V

10 µH@10 A

10 µH@10 A

10 nF

50 V

3.3 Ω

100 nF100 V

10 nF @ 50 V

3.3 Ω

100 nF

100 V

1 µF

50 V

A

B

C

D

220 µF

50 V

220 µF

50 V

PVDD

D

C

2.7 kΩ

10 nF

50 V

3.3 Ω

100 nF

100 V

10 nF @ 50 V

3.3 Ω

100 nF

100 V

1 µF

50 V

220 µF

50 V

220 µF

50 V

PVDD

10 nF

50 V

3.3 Ω

100 nF100 V

10 nF @ 50 V

3.3 Ω

100 nF

100 V

1 µF

50 V

220 µF

50 V

220 µF

50 V

PVDD

10 nF

50 V

3.3 Ω

100 nF

100 V

10 nF @ 50 V

3.3 Ω

100 nF

100 V

1 µF

50 V

220 µF

50 V

220 µF

50 V

PVDD

2.7 kΩ

2.7 kΩ

2.7 kΩ

A

B

S0071-01

T A S 5 1 4 2


F i g u r e 1 6 . T y p i c a l S E A p p l i c a t i o n

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VALID

GVDD

10 Ω

10 Ω10 µF

100 nF

GVDD

1 Ω

100 nF

Shutdown

PWM1_P PWM_A

PWM_C

OTW

RESET_AB

M2

M3

RESET_CD

VDD

GVDD_C

GVDD_B

PWM_D

VREG

M1

SD

AGND

PWM_B

OC_ADJ

GND

GND_C

OUT_A

BST_A

OUT_B

BST_B

PVDD_B

PVDD_A

BST_C

PVDD_C

OUT_C

GND_A

GND_B

OUT_D

PVDD_D

BST_D

36

35

34

33

23

19

20

21

22

24

25

26

27

28

32

31

30

29

GND_D

GVDD_D

GVDD_A

13

14

15

16

17

18

1

2

3

4

5

6

7

8

9

10

11

12

Microcontroller

30 kΩ

100 nF

33 nF

33 nF

33 nF

100 nF

50 V

100 nF

50 V

100 nF

50 V

1000 µF

50 V

PVDD

10 µH@10 A

3.3 Ω

10 nF

50 V

10 nF

50 V

1000 µF

50 V

PVDD

3.3 Ω

100 nF

50 V47 µF

50 V

47 µF

50 V

47 µF

50 V

10 µF100 nF

100 nF

100 nF

10 µH@10 A

TAS5142DKD

0 Ω

Optional

TAS5508

10 Ω

10 Ω

47 µF

50 V

10 µH@10 A

10 µH@10 A

33 nF

PWM1_M

470 nF

63 V

10 nF50 V

10 nF50 V

3.3 Ω

3.3 Ω

100 nF100 V

100 nF100 V

S0070-03

T A S 5 1 4 2


F i g u r e 1 7 . T y p i c a l D i f f e r e n t i a l ( 2 N ) P B T L A p p l i c a t i o n W i t h A D M o d u l a t i o n F i l t e r s

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8/3/2019 TAS5142DDV


www.ti.com

VALID

GVDD

10 Ω

10 Ω10 µF

100 nF

GVDD

1 Ω

100 nF

Shutdown

PWM1 PWM_A

PWM_C

OTW

RESET_AB

M2

M3

RESET_CD

VDD

GVDD_C

GVDD_B

PWM_D

VREG

M1

SD

AGND

PWM_B

OC_ADJ

GND

GND_C

OUT_A

BST_A

OUT_B

BST_B

PVDD_B

PVDD_A

BST_C

PVDD_C

OUT_C

GND_A

GND_B

OUT_D

PVDD_D

BST_D

36

35

34

33

23

19

20

21

22

24

25

26

27

28

32

31

30

29

GND_D

GVDD_D

GVDD_A

13

14

15

16

17

18

1

2

3

4

5

6

7

8

9

10

11

12

Microcontroller

30 kΩ

100 nF

33 nF

33 nF

33 nF

100 nF

50 V

100 nF

50 V

100 nF

50 V

1000 µF

50 V

PVDD

10 µH@10 A

3.3 Ω

10 nF

50 V

10 nF

50 V

1000 µF

50 V

PVDD

3.3 Ω

100 nF

50 V47 µF

50 V

47 µF

50 V

47 µF

50 V

10 µF100 nF

100 nF

100 nF

10 µH@10 A

TAS5142DKD

0 Ω

Optional

TAS5508

10 Ω

10 Ω

47 µF

50 V

10 µH@10 A

10 µH@10 A

33 nF

470 nF

63 V

10 nF

50 V

10 nF

50 V

3.3 Ω

3.3 Ω

100 nF100 V

100 nF

100 V

No connect

No connect

No connect

S0070-04

T A S 5 1 4 2


F i g u r e 1 8 . T y p i c a l N o n - D i f f e r e n t i a l ( 1 N ) P B T L A p p l i c a t i o n

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T H E O R Y O F O P E R A T I O N

P O W E R S U P P L I E S

S Y S T E M P O W E R - U P / P O W E R - D O W N

P o w e r i n g U p

T A S 5 1 4 2


S p e c i a l a t t e n t i o n s h o u l d b e p a i d t o t h e p o w e r - s t a g e p o w e r s u p p l y ; t h i s i n c l u d e s c o m p o n e n t s e l e c t i o n , P C B p l a c e m e n t , a n d r o u t i n g . A s i n d i c a t e d , e a c h T o f a c i l i t a t e s y s t e m d e s i g n , t h e T A S 5 1 4 2 n e e d s o n l y h a l f - b r i d g e h a s i n d e p e n d e n t p o w e r - s t a g e s u p p l y p i n s a 1 2 - V s u p p l y i n a d d i t i o n t o t h e ( t y p i c a l ) 3 2 - V

( P V D D _ X ) . F o r o p t i m a l e l e c t r i c a l p e r f o r m a n c e , E M I p o w e r - s t a g e s u p p l y . A n i n t e r n a l v o l t a g e r e g u l a t o r c o m p l i a n c e , a n d s y s t e m r e l i a b i l i t y , i t i s i m p o r t a n t t h a t p r o v i d e s s u i t a b l e v o l t a g e l e v e l s f o r t h e d i g i t a l a n d e a c h P V D D _ X p i n i s d e c o u p l e d w i t h a 1 0 0 - n F c e r - l o w - v o l t a g e a n a l o g c i r c u i t r y . A d d i t i o n a l l y , a l l c i r c u i t r y a m i c c a p a c i t o r p l a c e d a s c l o s e a s p o s s i b l e t o e a c h r e q u i r i n g a f l o a t i n g v o l t a g e s u p p l y , e . g . , t h e h i g h - s i d e s u p p l y p i n . I t i s r e c o m m e n d e d t o f o l l o w t h e P C B g a t e d r i v e , i s a c c o m m o d a t e d b y b u i l t - i n b o o t s t r a p l a y o u t o f t h e T A S 5 1 4 2 r e f e r e n c e d e s i g n . F o r a d - c i r c u i t r y r e q u i r i n g o n l y a f e w e x t e r n a l c a p a c i t o r s . d i t i o n a l i n f o r m a t i o n o n r e c o m m e n d e d p o w e r s u p p l y

I n o r d e r t o p r o v i d e o u t s t a n d i n g e l e c t r i c a l a n d a c o u s t i - a n d r e q u i r e d c o m p o n e n t s , s e e t h e a p p l i c a t i o n d i a - c a l c h a r a c t e r i s t i c s , t h e P W M s i g n a l p a t h i n c l u d i n g g r a m s g i v e n p r e v i o u s l y i n t h i s d a t a s h e e t . g a t e d r i v e a n d o u t p u t s t a g e i s d e s i g n e d a s i d e n t i c a l ,

T h e 1 2 - V s u p p l y s h o u l d b e f r o m a l o w - n o i s e , i n d e p e n d e n t h a l f - b r i d g e s . F o r t h i s r e a s o n , e a c h l o w - o u t p u t - i m p e d a n c e v o l t a g e r e g u l a t o r . L i k e w i s e , t h e h a l f - b r i d g e h a s s e p a r a t e g a t e d r i v e s u p p l y 3 2 - V p o w e r - s t a g e s u p p l y i s a s s u m e d t o h a v e l o w ( G V D D _ X ) , b o o t s t r a p p i n s ( B S T _ X ) , a n d p o w e r - s t a g e o u t p u t i m p e d a n c e a n d l o w n o i s e . T h e p o w e r - s u p p l y s u p p l y p i n s ( P V D D _ X ) . F u r t h e r m o r e , a n a d d i t i o n a l p i n s e q u e n c e i s n o t c r i t i c a l a s f a c i l i t a t e d b y t h e i n t e r n a l ( V D D ) i s p r o v i d e d a s s u p p l y f o r a l l c o m m o n c i r c u i t s . p o w e r - o n - r e s e t c i r c u i t . M o r e o v e r , t h e T A S 5 1 4 2 i s f u l l y A l t h o u g h s u p p l i e d f r o m t h e s a m e 1 2 - V s o u r c e , i t i s p r o t e c t e d a g a i n s t e r r o n e o u s p o w e r - s t a g e t u r n o n d u e h i g h l y r e c o m m e n d e d t o s e p a r a t e G V D D _ A , t o p a r a s i t i c g a t e c h a r g i n g . T h u s , v o l t a g e - s u p p l y r a m p G V D D _ B , G V D D _ C , G V D D _ D , a n d V D D o n t h e r a t e s ( d V / d t ) a r e n o n - c r i t i c a l w i t h i n t h e s p e c i f i e d p r i n t e d - c i r c u i t b o a r d ( P C B ) b y R C f i l t e r s ( s e e a p p l i - r a n g e ( s e e t h e R e c o m m e n d e d O p e r a t i n g C o n d i t i o n s c a t i o n d i a g r a m f o r d e t a i l s ) . T h e s e R C f i l t e r s p r o v i d e s e c t i o n o f t h i s d a t a s h e e t ) . t h e r e c o m m e n d e d h i g h - f r e q u e n c y i s o l a t i o n . S p e c i a l

a t t e n t i o n s h o u l d b e p a i d t o p l a c i n g a l l d e c o u p l i n g c a p a c i t o r s a s c l o s e t o t h e i r a s s o c i a t e d p i n s a s p o s s - i b l e . I n g e n e r a l , i n d u c t a n c e b e t w e e n t h e p o w e r s u p p l y S E Q U E N C E p i n s a n d d e c o u p l i n g c a p a c i t o r s m u s t b e a v o i d e d . ( S e e r e f e r e n c e b o a r d d o c u m e n t a t i o n f o r a d d i t i o n a l i n f o r m a t i o n . )

T h e T A S 5 1 4 2 d o e s n o t r e q u i r e a p o w e r - u p s e q u e n c e . F o r a p r o p e r l y f u n c t i o n i n g b o o t s t r a p c i r c u i t , a s m a l l T h e o u t p u t s o f t h e H - b r i d g e s r e m a i n i n a h i g h - i m p e d -

c e r a m i c c a p a c i t o r m u s t b e c o n n e c t e d f r o m e a c h a n c e s t a t e u n t i l t h e g a t e - d r i v e s u p p l y v o l t a g e b o o t s t r a p p i n ( B S T _ X ) t o t h e p o w e r - s t a g e o u t p u t p i n ( G V D D _ X ) a n d V D D v o l t a g e a r e a b o v e t h e ( O U T _ X ) . W h e n t h e p o w e r - s t a g e o u t p u t i s l o w , t h e u n d e r v o l t a g e p r o t e c t i o n ( U V P ) v o l t a g e t h r e s h o l d ( s e e b o o t s t r a p c a p a c i t o r i s c h a r g e d t h r o u g h a n i n t e r n a l t h e E l e c t r i c a l C h a r a c t e r i s t i c s s e c t i o n o f t h i s d a t a d i o d e c o n n e c t e d b e t w e e n t h e g a t e - d r i v e p o w e r - - s h e e t ) . A l t h o u g h n o t s p e c i f i c a l l y r e q u i r e d , i t i s r e c - s u p p l y p i n ( G V D D _ X ) a n d t h e b o o t s t r a p p i n . W h e n o m m e n d e d t o h o l d R E S E T _ A B a n d R E S E T _ C D i n a t h e p o w e r - s t a g e o u t p u t i s h i g h , t h e b o o t s t r a p c a p a c i - l o w s t a t e w h i l e p o w e r i n g u p t h e d e v i c e . T h i s a l l o w s t o r p o t e n t i a l i s s h i f t e d a b o v e t h e o u t p u t p o t e n t i a l a n d a n i n t e r n a l c i r c u i t t o c h a r g e t h e e x t e r n a l b o o t s t r a p t h u s p r o v i d e s a s u i t a b l e v o l t a g e s u p p l y f o r t h e c a p a c i t o r s b y e n a b l i n g a w e a k p u l l d o w n o f t h e h i g h - s i d e g a t e d r i v e r . I n a n a p p l i c a t i o n w i t h P W M h a l f - b r i d g e o u t p u t . s w i t c h i n g f r e q u e n c i e s i n t h e r a n g e f r o m 3 5 2 k H z t o

W h e n t h e T A S 5 1 4 2 i s b e i n g u s e d w i t h T I P W M 3 8 4 k H z , i t i s r e c o m m e n d e d t o u s e 3 3 - n F c e r a m i c

m o d u l a t o r s s u c h a s t h e T A S 5 5 0 8 , n o s p e c i a l a t t e n - c a p a c i t o r s , s i z e 0 6 0 3 o r 0 8 0 5 , f o r t h e b o o t s t r a p

t i o n t o t h e s t a t e o f R E S E T _ A B a n d R E S E T _ C D i s s u p p l y . T h e s e 3 3 - n F c a p a c i t o r s e n s u r e s u f f i c i e n t

r e q u i r e d , p r o v i d e d t h a t t h e c h i p s e t i s c o n f i g u r e d a s e n e r g y s t o r a g e , e v e n d u r i n g m i n i m a l P W M d u t y r e c o m m e n d e d . c y c l e s , t o k e e p t h e h i g h - s i d e p o w e r s t a g e F E T ( L D M O S ) f u l l y t u r n e d o n d u r i n g t h e r e m a i n i n g p a r t o f t h e P W M c y c l e . I n a n a p p l i c a t i o n r u n n i n g a t a r e d u c e d s w i t c h i n g f r e q u e n c y , g e n e r a l l y 1 9 2 k H z , t h e b o o t s t r a p c a p a c i t o r m i g h t n e e d t o b e i n c r e a s e d i n v a l u e .

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P o w e r i n g D o w n

U s e o f T A S 5 1 4 2 i n H i g h - M o d u l a t i o n - I n d e x

E R R O R R E P O R T I N G

O v e r c u r r e n t ( O C ) P r o t e c t i o n W i t h C u r r e n t

D E V I C E P R O T E C T I O N S Y S T E M

T A S 5 1 4 2


o v e r t e m p e r a t u r e , a n d u n d e r v o l t a g e . T h e T A S 5 1 4 2 r e s p o n d s t o a f a u l t b y i m m e d i a t e l y s e t t i n g t h e p o w e r

T h e T A S 5 1 4 2 d o e s n o t r e q u i r e a p o w e r - d o w n s e - s t a g e i n a h i g h - i m p e d a n c e ( H i - Z ) s t a t e a n d a s s e r t i n g

q u e n c e . T h e d e v i c e r e m a i n s f u l l y o p e r a t i o n a l a s l o n g t h e S D p i n l o w . I n s i t u a t i o n s o t h e r t h a n o v e r l o a d , t h e

a s t h e g a t e - d r i v e s u p p l y ( G V D D _ X ) v o l t a g e a n d V D D d e v i c e a u t o m a t i c a l l y r e c o v e r s w h e n t h e f a u l t c o n -

v o l t a g e a r e a b o v e t h e u n d e r v o l t a g e p r o t e c t i o n ( U V P ) d i t i o n h a s b e e n r e m o v e d , i . e . , t h e j u n c t i o n t e m p e r a -

v o l t a g e t h r e s h o l d ( s e e t h e E l e c t r i c a l C h a r a c t e r i s t i c s t u r e h a s d r o p p e d o r t h e s u p p l y v o l t a g e h a s i n -

s e c t i o n o f t h i s d a t a s h e e t ) . A l t h o u g h n o t s p e c i f i c a l l y c r e a s e d . F o r h i g h e s t p o s s i b l e r e l i a b i l i t y , r e c o v e r i n g r e q u i r e d , i t i s a g o o d p r a c t i c e t o h o l d R E S E T _ A B a n d

f r o m a n o v e r l o a d f a u l t r e q u i r e s e x t e r n a l r e s e t o f t h e R E S E T _ C D l o w d u r i n g p o w e r d o w n , t h u s p r e v e n t i n g

d e v i c e ( s e e t h e D e v i c e R e s e t s e c t i o n o f t h i s d a t a a u d i b l e a r t i f a c t s i n c l u d i n g p o p s o r c l i c k s .

s h e e t ) n o s o o n e r t h a n 1 s e c o n d a f t e r t h e s h u t d o w n . W h e n t h e T A S 5 1 4 2 i s b e i n g u s e d w i t h T I P W M m o d u l a t o r s s u c h a s t h e T A S 5 5 0 8 , n o s p e c i a l a t t e n -

C a p a b l e S y s t e m s t i o n t o t h e s t a t e o f R E S E T _ A B a n d R E S E T _ C D i s r e q u i r e d , p r o v i d e d t h a t t h e c h i p s e t i s c o n f i g u r e d a s

T h i s d e v i c e r e q u i r e s a t l e a s t 5 0 n s o f l o w t i m e o n t h e r e c o m m e n d e d .

o u t p u t p e r 3 8 4 - k H z P W M f r a m e r a t e i n o r d e r t o k e e p t h e b o o t s t r a p c a p a c i t o r s c h a r g e d . A s a n e x a m p l e , i f t h e m o d u l a t i o n i n d e x i s s e t t o 9 9 . 2 % i n t h e T A S 5 5 0 8 , t h i s s e t t i n g a l l o w s P W M p u l s e d u r a t i o n s d o w n t o 2 0 T h e S D a n d O T W p i n s a r e b o t h a c t i v e - l o w , n s . T h i s s i g n a l , w h i c h d o e s n o t m e e t t h e 5 0 - n s o p e n - d r a i n o u t p u t s . T h e i r f u n c t i o n i s f o r p r o t e c -

r e q u i r e m e n t , i s s e n t t o t h e P W M _ X p i n a n d t h i s t i o n - m o d e s i g n a l i n g t o a P W M c o n t r o l l e r o r o t h e r l o w - s t a t e p u l s e t i m e d o e s n o t a l l o w t h e b o o t s t r a p s y s t e m - c o n t r o l d e v i c e . c a p a c i t o r t o s t a y c h a r g e d . I n t h i s s i t u a t i o n , t h e l o w

A n y f a u l t r e s u l t i n g i n d e v i c e s h u t d o w n i s s i g n a l e d b y v o l t a g e a c r o s s t h e b o o t s t r a p c a p a c i t o r c a n c a u s e a t h e S D p i n g o i n g l o w . L i k e w i s e , O T W g o e s l o w w h e n f a i l u r e o f t h e h i g h - s i d e M O S F E T t r a n s i s t o r , e s p e c i a l l y t h e d e v i c e j u n c t i o n t e m p e r a t u r e e x c e e d s 1 2 5 ° C ( s e e w h e n d r i v i n g a l o w - i m p e d a n c e l o a d . T h e T A S 5 1 4 2 t h e f o l l o w i n g t a b l e ) . d e v i c e r e q u i r e s l i m i t i n g t h e T A S 5 5 0 8 m o d u l a t i o n

i n d e x t o 9 6 . 1 % t o k e e p t h e b o o t s t r a p c a p a c i t o r S D O T W D E S C R I P T I O N c h a r g e d u n d e r a l l s i g n a l s a n d l o a d s . 0 0 O v e r t e m p e r a t u r e ( O T E ) o r o v e r l o a d ( O L P ) o r

u n d e r v o l t a g e ( U V P ) T h e r e f o r e , T I s t r o n g l y r e c o m m e n d s u s i n g a T I P W M 0 1 O v e r l o a d ( O L P ) o r u n d e r v o l t a g e ( U V P ) p r o c e s s o r , s u c h a s T A S 5 5 0 8 o r T A S 5 0 8 6 , w i t h t h e

m o d u l a t i o n i n d e x s e t a t 9 6 . 1 % t o i n t e r f a c e w i t h 1 0 J u n c t i o n t e m p e r a t u r e h i g h e r t h a n 1 2 5 ° C ( o v e r t e m p e r a t u r e w a r n i n g ) T A S 5 1 4 2 .

1 1 J u n c t i o n t e m p e r a t u r e l o w e r t h a n 1 2 5 ° C a n d n o O L P o r U V P f a u l t s ( n o r m a l o p e r a t i o n )

L i m i t i n g a n d O v e r l o a d D e t e c t i o n N o t e t h a t a s s e r t i n g e i t h e r R E S E T _ A B o r R E S E T _ C D

T h e d e v i c e h a s i n d e p e n d e n t , f a s t - r e a c t i n g c u r r e n t l o w f o r c e s t h e S D s i g n a l h i g h , i n d e p e n d e n t o f f a u l t s d e t e c t o r s w i t h p r o g r a m m a b l e t r i p t h r e s h o l d ( O C b e i n g p r e s e n t . T I r e c o m m e n d s m o n i t o r i n g t h e O T W t h r e s h o l d ) o n a l l h i g h - s i d e a n d l o w - s i d e p o w e r - s t a g e s i g n a l u s i n g t h e s y s t e m m i c r o c o n t r o l l e r a n d r e - F E T s . S e e t h e f o l l o w i n g t a b l e f o r O C - a d j u s t r e s i s t o r s p o n d i n g t o a n o v e r t e m p e r a t u r e w a r n i n g s i g n a l b y , v a l u e s . T h e d e t e c t o r o u t p u t s a r e c l o s e l y m o n i t o r e d b y e . g . , t u r n i n g d o w n t h e v o l u m e t o p r e v e n t f u r t h e r t w o p r o t e c t i o n s y s t e m s . T h e f i r s t p r o t e c t i o n s y s t e m h e a t i n g o f t h e d e v i c e r e s u l t i n g i n d e v i c e s h u t d o w n c o n t r o l s t h e p o w e r s t a g e i n o r d e r t o p r e v e n t t h e ( O T E ) . o u t p u t c u r r e n t f r o m f u r t h e r i n c r e a s i n g , i . e . , i t p e r f o r m s

T o r e d u c e e x t e r n a l c o m p o n e n t c o u n t , a n i n t e r n a l a c u r r e n t - l i m i t i n g f u n c t i o n r a t h e r t h a n p r e m a t u r e l y p u l l u p r e s i s t o r t o 3 . 3 V i s p r o v i d e d o n b o t h S D a n d s h u t t i n g d o w n d u r i n g c o m b i n a t i o n s o f h i g h - l e v e l m u - O T W o u t p u t s . L e v e l c o m p l i a n c e f o r 5 - V l o g i c c a n b e s i c t r a n s i e n t s a n d e x t r e m e s p e a k e r l o a d i m p e d a n c e

o b t a i n e d b y a d d i n g e x t e r n a l p u l l u p r e s i s t o r s t o 5 V d r o p s . I f t h e h i g h - c u r r e n t s i t u a t i o n p e r s i s t s , i . e . , t h e ( s e e t h e E l e c t r i c a l C h a r a c t e r i s t i c s s e c t i o n o f t h i s d a t a p o w e r s t a g e i s b e i n g o v e r l o a d e d , a s e c o n d p r o t e c t i o n s h e e t f o r f u r t h e r s p e c i f i c a t i o n s ) . s y s t e m t r i g g e r s a l a t c h i n g s h u t d o w n , r e s u l t i n g i n t h e

p o w e r s t a g e b e i n g s e t i n t h e h i g h - i m p e d a n c e ( H i - Z ) s t a t e . C u r r e n t l i m i t i n g a n d o v e r l o a d p r o t e c t i o n a r e i n d e p e n d e n t f o r h a l f - b r i d g e s A a n d B a n d , r e s p e c t -

T h e T A S 5 1 4 2 c o n t a i n s a d v a n c e d p r o t e c t i o n c i r c u i t r y i v e l y , C a n d D . T h a t i s , i f t h e b r i d g e - t i e d l o a d b e t w e e n

c a r e f u l l y d e s i g n e d t o f a c i l i t a t e s y s t e m i n t e g r a t i o n a n d h a l f - b r i d g e s A a n d B c a u s e s a n o v e r l o a d f a u l t , o n l y

e a s e o f u s e , a s w e l l a s t o s a f e g u a r d t h e d e v i c e f r o m h a l f - b r i d g e s A a n d B a r e s h u t d o w n .

p e r m a n e n t f a i l u r e d u e t o a w i d e r a n g e o f f a u l t c o n d i t i o n s s u c h a s s h o r t c i r c u i t s , o v e r l o a d ,

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U n d e r v o l t a g e P r o t e c t i o n ( U V P ) a n d P o w e r - O n

D E V I C E R E S E T

O v e r t e m p e r a t u r e P r o t e c t i o n

T A S 5 1 4 2


• F o r t h e l o w e s t - c o s t b i l l o f m a t e r i a l s i n t e r m s o f ( O T W ) w h e n t h e d e v i c e j u n c t i o n t e m p e r a t u r e e x - c o m p o n e n t s e l e c t i o n , t h e O C t h r e s h o l d m e a s u r e c e e d s 1 2 5 ° C ( n o m i n a l ) a n d , i f t h e d e v i c e j u n c t i o n s h o u l d b e l i m i t e d , c o n s i d e r i n g t h e p o w e r o u t p u t t e m p e r a t u r e e x c e e d s 1 5 5 ° C ( n o m i n a l ) , t h e d e v i c e i s r e q u i r e m e n t a n d m i n i m u m l o a d i m p e d a n c e . p u t i n t o t h e r m a l s h u t d o w n , r e s u l t i n g i n a l l h a l f - b r i d g e H i g h e r - i m p e d a n c e l o a d s r e q u i r e a l o w e r O C o u t p u t s b e i n g s e t i n t h e h i g h - i m p e d a n c e ( H i - Z ) s t a t e t h r e s h o l d . a n d S D b e i n g a s s e r t e d l o w . O T E i s l a t c h e d i n t h i s

c a s e . T o c l e a r t h e O T E l a t c h , b o t h R E S E T _ A B a n d • T h e d e m o d u l a t i o n - f i l t e r i n d u c t o r m u s t r e t a i n a t R E S E T _ C D m u s t b e a s s e r t e d . T h e r e a f t e r , t h e d e v i c e l e a s t 5 µ H o f i n d u c t a n c e a t t w i c e t h e O C

r e s u m e s n o r m a l o p e r a t i o n . t h r e s h o l d s e t t i n g .

U n f o r t u n a t e l y , m o s t i n d u c t o r s h a v e d e c r e a s i n g i n - d u c t a n c e w i t h i n c r e a s i n g t e m p e r a t u r e a n d i n c r e a s i n g R e s e t ( P O R ) c u r r e n t ( s a t u r a t i o n ) . T o s o m e d e g r e e , a n i n c r e a s e i n

T h e U V P a n d P O R c i r c u i t s o f t h e T A S 5 1 4 2 f u l l y t e m p e r a t u r e n a t u r a l l y o c c u r s w h e n o p e r a t i n g a t h i g h p r o t e c t t h e d e v i c e i n a n y p o w e r - u p / d o w n a n d o u t p u t c u r r e n t s , d u e t o c o r e l o s s e s a n d t h e d c b r o w n o u t s i t u a t i o n . W h i l e p o w e r i n g u p , t h e P O R r e s i s t a n c e o f t h e i n d u c t o r ' s c o p p e r w i n d i n g . A c i r c u i t r e s e t s t h e o v e r l o a d c i r c u i t ( O L P ) a n d e n s u r e s t h o r o u g h a n a l y s i s o f i n d u c t o r s a t u r a t i o n a n d t h e r m a l t h a t a l l c i r c u i t s a r e f u l l y o p e r a t i o n a l w h e n t h e p r o p e r t i e s i s s t r o n g l y r e c o m m e n d e d . G V D D _ X a n d V D D s u p p l y v o l t a g e s r e a c h 9 . 8 V

S e t t i n g t h e O C t h r e s h o l d t o o l o w m i g h t c a u s e i s s u e s ( t y p i c a l ) . A l t h o u g h G V D D _ X a n d V D D a r e i n d e p e n - s u c h a s l a c k o f e n o u g h o u t p u t p o w e r a n d / o r u n e x p e c - d e n t l y m o n i t o r e d , a s u p p l y v o l t a g e d r o p b e l o w t h e

t e d s h u t d o w n s d u e t o t o o - s e n s i t i v e o v e r l o a d d e t e c - U V P t h r e s h o l d o n a n y V D D o r G V D D _ X p i n r e s u l t s i n t i o n . a l l h a l f - b r i d g e o u t p u t s i m m e d i a t e l y b e i n g s e t i n t h e

h i g h - i m p e d a n c e ( H i - Z ) s t a t e a n d S D b e i n g a s s e r t e d I n g e n e r a l , i t i s r e c o m m e n d e d t o f o l l o w c l o s e l y t h e l o w . T h e d e v i c e a u t o m a t i c a l l y r e s u m e s o p e r a t i o n e x t e r n a l c o m p o n e n t s e l e c t i o n a n d P C B l a y o u t a s w h e n a l l s u p p l y v o l t a g e s h a v e i n c r e a s e d a b o v e t h e g i v e n i n t h e A p p l i c a t i o n s e c t i o n . U V P t h r e s h o l d .

F o r a d d e d f l e x i b i l i t y , t h e O C t h r e s h o l d i s p r o g r a m m a b l e w i t h i n a l i m i t e d r a n g e u s i n g a s i n g l e e x t e r n a l r e s i s t o r c o n n e c t e d b e t w e e n t h e O C _ A D J p i n

T w o r e s e t p i n s a r e p r o v i d e d f o r i n d e p e n d e n t c o n t r o l a n d A G N D . ( S e e t h e E l e c t r i c a l C h a r a c t e r i s t i c s s e c t i o n o f h a l f - b r i d g e s A / B a n d C / D . W h e n R E S E T _ A B i s o f t h i s d a t a s h e e t f o r i n f o r m a t i o n o n t h e c o r r e l a t i o n a s s e r t e d l o w , a l l f o u r p o w e r - s t a g e F E T s i n h a l f - - b e t w e e n p r o g r a m m i n g - r e s i s t o r v a l u e a n d t h e O C b r i d g e s A a n d B a r e f o r c e d i n t o a h i g h - i m p e d a n c e t h r e s h o l d . ) I t s h o u l d b e n o t e d t h a t a p r o p e r l y f u n c - ( H i - Z ) s t a t e . L i k e w i s e , a s s e r t i n g R E S E T _ C D l o w t i o n i n g o v e r c u r r e n t d e t e c t o r a s s u m e s t h e p r e s e n c e o f

f o r c e s a l l f o u r p o w e r - s t a g e F E T s i n h a l f - b r i d g e s C a p r o p e r l y d e s i g n e d d e m o d u l a t i o n f i l t e r a t t h e a n d D i n t o a h i g h - i m p e d a n c e s t a t e . T h u s , b o t h r e s e t p o w e r - s t a g e o u t p u t . S h o r t - c i r c u i t p r o t e c t i o n i s n o t p i n s a r e w e l l s u i t e d f o r h a r d - m u t i n g t h e p o w e r s t a g e i f p r o v i d e d d i r e c t l y a t t h e o u t p u t p i n s o f t h e p o w e r s t a g e n e e d e d . b u t o n l y o n t h e s p e a k e r t e r m i n a l s ( a f t e r t h e d e m o d u -

l a t i o n f i l t e r ) . I t i s r e q u i r e d t o f o l l o w c e r t a i n g u i d e l i n e s I n B T L m o d e s , t o a c c o m m o d a t e b o o t s t r a p c h a r g i n g w h e n s e l e c t i n g t h e O C t h r e s h o l d a n d a n a p p r o p r i a t e p r i o r t o s w i t c h i n g s t a r t , a s s e r t i n g t h e r e s e t i n p u t s l o w d e m o d u l a t i o n i n d u c t o r : e n a b l e s w e a k p u l l d o w n o f t h e h a l f - b r i d g e o u t p u t s . I n

t h e S E m o d e , t h e w e a k p u l l d o w n s a r e n o t e n a b l e d , O C - A d j u s t R e s i s t o r V a l u e s M a x . C u r r e n t B e f o r e O C O c c u r s ( k Ω ) ( A ) a n d i t i s t h e r e f o r e r e c o m m e n d e d t o e n s u r e b o o t s t r a p

c a p a c i t o r c h a r g i n g b y p r o v i d i n g a l o w p u l s e o n t h e 2 2 9 . 4 P W M i n p u t s w h e n r e s e t i s a s s e r t e d h i g h .

2 7 8 . 6

A s s e r t i n g e i t h e r r e s e t i n p u t l o w r e m o v e s a n y f a u l t 3 9 6 . 4

i n f o r m a t i o n t o b e s i g n a l l e d o n t h e S D o u t p u t , i . e . , S D 4 7 6

i s f o r c e d h i g h . 6 9 4 . 7

A r i s i n g - e d g e t r a n s i t i o n o n e i t h e r r e s e t i n p u t a l l o w s t h e d e v i c e t o r e s u m e o p e r a t i o n a f t e r a n o v e r l o a d f a u l t .

T h e T A S 5 1 4 2 h a s a t w o - l e v e l t e m p e r a t u r e - p r o t e c t i o n s y s t e m t h a t a s s e r t s a n a c t i v e - l o w w a r n i n g s i g n a l

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PACKAGING INFORMATION

Orderable Device Status (1) PackageType

PackageDrawing

Pins PackageQty

Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)

TAS5142DDV ACTIVE HTSSOP DDV 44 35 Green (RoHS &

no Sb/Br)

CU NIPDAU Level-3-260C-168 HR

TAS5142DDVG4 ACTIVE HTSSOP DDV 44 35 Green (RoHS &no Sb/Br)


TAS5142DDVR ACTIVE HTSSOP DDV 44 2000 Green (RoHS &no Sb/Br)


TAS5142DDVRG4 ACTIVE HTSSOP DDV 44 2000 Green (RoHS &no Sb/Br)


TAS5142DKD ACTIVE SSOP DKD 36 29 Pb-Free(RoHS)

CU SNBI Level-4-260C-72 HR/Level-2-220C-1 YEAR

TAS5142DKDR ACTIVE SSOP DKD 36 500 Pb-Free(RoHS)

CU SNBI Level-4-260C-72 HR/Level-2-220C-1 YEAR

(1)The marketing status values are defined as follows:

ACTIVE: Product device recommended for new designs.LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part ina new design.PREVIEW: Device has been announced but is not in production. Samples may or may not be available.OBSOLETE: TI has discontinued the production of the device.

(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS & no Sb/Br) - please checkhttp://www.ti.com/productcontent for the latest availability information and additional product content details.TBD: The Pb-Free/Green conversion plan has not been defined.Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirementsfor all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be solderedat high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flameretardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)

(3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak soldertemperature.

Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it isprovided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to theaccuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to takereasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis onincoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limitedinformation may not be available for release.

In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TIto Customer on an annual basis.

PACKAGE OPTION ADDENDUM

www.ti.com 16-May-2005

Addendum-Page 1

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Data Converters dataconverter.ti.com Automotive www.ti.com/automotive

DSP dsp.ti.com Broadband www.ti.com/broadband

Interface interface.ti.com Digital Control www.ti.com/digitalcontrol

Logic logic.ti.com Military www.ti.com/military

Power Mgmt power.ti.com Optical Networking www.ti.com/opticalnetwork

Microcontrollers microcontroller.ti.com Security www.ti.com/security

Telephony www.ti.com/telephony

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http://www.ti.com/broadband

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http://www.ti.com/digitalcontrol

http://logic.ti.com/

http://www.ti.com/military

http://power.ti.com/

http://www.ti.com/opticalnetwork

http://microcontroller.ti.com/

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http://www.ti.com/video

http://www.ti.com/wireless

http://www.ti.com/wireless

http://www.ti.com/video

http://www.ti.com/telephony

http://www.ti.com/security

http://www.ti.com/opticalnetwork

http://www.ti.com/military

http://www.ti.com/digitalcontrol

http://www.ti.com/broadband

http://www.ti.com/automotive

http://www.ti.com/audio

http://microcontroller.ti.com/

http://power.ti.com/

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http://interface.ti.com/

http://dsp.ti.com/

http://dataconverter.ti.com/

http://amplifier.ti.com/

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