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2016/3/23
Contact Julien Jourdan for more information
Capacitive sensing solutions for headphones
© 2016 SAS SELTECH - All rights reserved.
Wear and play
page2
Features – Turns the headphone ON when on head
– Turns it OFF when on neck
Advantages – Makes usage easier
– No need for ON/OFF button
Sensors – IQS211 – single channel chipset
NO MUSIC
MUSIC ON
Youtube video
© 2016 SAS SELTECH - All rights reserved.
Trackpad possibilities
page3
Standard trackpad
Features – Provide simple gestures : swipes, tap, …
(typically UP | DOWN | LEFT | RIGHT | TAP)
Advantages – Improved UI – control done on the headphone
– Aesthetics / Modern Design
– Easiness of assembly and integration
– Several sizes available
Solutions – Round, elliptic and rectangle modules
available Youtube video
© 2016 SAS SELTECH - All rights reserved.
Trackpad possibilities
page4
Trackpad with holes can be used as user interface to place on open
headphone cup
Features – Provide simple gestures : swipes, tap, …
(typically UP | DOWN | LEFT | RIGHT | TAP)
Advantages – Improved UI – control done on the headphone
– Aesthetics / Modern Design
– Easiness of assembly and integration
Sensors – IQS360 & IQS525/572/550 – trackpad chipset
Youtube video
© 2016 SAS SELTECH - All rights reserved.
Trackpad possibilities
page5
Various gestures can be implemented
Pinch in and out
Circular gestures
Two finger gestures
…
© 2016 SAS SELTECH - All rights reserved.
Trackpad possibilities
page6
Mechanical key for critical function can be used together on trackpad area
Features – Extra feature on trackpad to handle critical function :
Call pick up / reject
Advantages – Using Azoteq patented technology
Sensors – Included in IQS360 & IQS525/572/550 – trackpad chipset
Youtube video
© 2016 SAS SELTECH - All rights reserved.
Stationary wheel can be used around headphone cup for rotation movement
without any moving part
Features – Rotary movement around the headphone cup edges
Advantages – Improved UI – control done on the headphone
– Aesthetics / Modern Design
Sensors – IQS525/572/550 – trackpad chipsets
Stationary wheel
page7 Youtube video
© 2016 SAS SELTECH - All rights reserved.
Swipes for simple gestures
page8
Features – Providing simple gestures on headphone
– Swipe in Any Direction
– Tap, Double Tap, Tap & Hold
– Snap
Advantages – Improved UI – control done on the headphone
– Aesthetics / Modern Design
– Most cost effective than trackpad solution
Sensors – IQS263 – 3 channel chipset
© 2016 SAS SELTECH - All rights reserved.
Earphones
page9
Features – Wear Detection
– Bi-directional Swipe
– Tap, Double Tap, Tap & Hold
– ON/OFF for heart rate sensor
Advantages – Robust solution
– Modern Design
– Simpler construction and assembly
– Waterproof
– Power saving
Sensors – IQS229, IQS211 – Movement (Wear Detection)
– IQS211, IQS227AS – Single key
– IQS213, IQS263 – Swipe
© 2016 SAS SELTECH - All rights reserved.
Headphone IC Package and Power Details
IC Description Package Option Dimensions
[mm] Picture
IQS211 1 channel
Touch, Proximity and Movement detection
TSOT23-6 3 x 3 x 1
IQS263 3 channels
Slider with movement sensor and tap recognition
MSOP-10/DFN10 3 x 5 / 3 x 3
IQS360
12 channels 3x4 channel projected
trackpad / touch screen controller
QFR32 5 x 5 x 0.9
IQS525/572
25 / 72 channels 5x5 (or 4x6) / 9x8 channel projected trackpad / touch
screen controller
QFN28 4 x 4 x 0.6
© 2016 SAS SELTECH - All rights reserved.
Headphone IC Package and Power Details
IC Description Supply Fast Response Time (~9ms)
LP with Proximity Wake up (256ms)
Standby
IQS211 1 channel
Touch, Proximity and Movement detection
1.8-3.6V 77µA 3.5µA N/A
IQS263 3 channels
Slider with movement sensor and tap recognition
1.8-3.6V 180µA 3µA N/A
IQS360
12 channels 3x4 channel projected
trackpad / touch screen controller
1.8-3.6V 530µA 8µA <2µA
IQS525/572
25 / 72 channels 5x5 (or 4x6) / 9x8 channel projected trackpad / touch
screen controller
1.65-1.8V 1.85mA 15µA <2µA
Julien Jourdan Product Manager
2 Allée des Cerisiers 94024 Creteil France
☎: +33 1 48 92 90 02
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