TechShanghai2016 - Reliable automotive-grade Isolators for new energy vehicles

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  • 1 Broadcom Limited Proprietary and Confidential. 2016 Broadcom Limited. All rights reserved. | Broadcom Limited Proprietary and Confidential. 2016 Broadcom Limited. All rights reserved.

    Broadcom Optocouplers

    Reliable automotive-grade Isolators for new energy vehicles

    March 16, 2016 Tech Shanghai

    Hong Lei Chen

  • 2 Broadcom Limited Proprietary and Confidential. 2016 Broadcom Limited. All rights reserved. |

    Broadcom Isolation Products Overview

    Optocoupler Introduction

    Automotive-grade Optocouplers for Automotive Applications

    Optocouplers for EV Charging Station Designs

    Design Tools and Technical Support

    Summary

    Agenda

  • 3 Broadcom Limited Proprietary and Confidential. 2016 Broadcom Limited. All rights reserved. |

    Heritage of Technology

    1961 1981 1996 1999 2002 2005 2007 2009 2014 2016 1991

    IPO

  • 4 Broadcom Limited Proprietary and Confidential. 2016 Broadcom Limited. All rights reserved. |

    Avago acquires

    Broadcom

    2016

    Trademark: R2Coupler Reinforced Reliability

    2014

    Automotive R2Coupler

    Digital Opto

    AEC Q100 Grade 1

    (-40C to +125C) Smart gate drive opto-

    coupler with integrated

    dc-dc flyback controller

    (ACPL-32JT)

    Industry-first SiC

    MOSFET Gate

    Drive Optocoupler R2Coupler Design

    in HEV

    TS16949 Certification

    (Assembly & Test)

    2.5V low supply

    voltage

    optocoupler

    High precision

    optically isolated

    amp (0.5%)

    Optically isolated

    voltage sensor

    2009 2010 2007 2011 2013 2005 2012

    PhotoIC with highest

    insulation voltage

    7500Vrms

    14.2mm C/C gate drive, digital and

    current sense

    TS16949

    Certification

    (Epi/LED

    Wafer Fab)

    Avago spun off

    from Agilent

    2008

    R2Coupler

    in PHEV &

    EV

    2015

    SSO12

    Fine Pitch

    Package

    >40M

    R2Couplers

    Shipped

    R2Coupler

    Gate Drive &

    IsoAmp AEC Q100

    Grade 1

    (-40C to +125C)

    Broadcom Optocouplers Market and Product Leadership HP Labs

    developed

    breakthrough

    GaAsP LEDs

    Commercially

    available

    Optocouplers

    (JEDEC) offered by

    HP

    HP introduced High

    Speed CMOS and

    Wide-body (CNW)

    Optocouplers

    HP introduced IGBT

    Gate Drive

    Optocoupler

    HP introduced Isolation

    Amplifier utilizing Sigma-

    Delta ADC technology

    (HCPL-7800)

    HP introduced 1st Gen

    Smart Gate Drive

    Optocoupler

    (HCPL-316J)

    1966 1993 1995 1992 1996 1970 1989 1997

    Portfolio of multi-

    channel /

    bidirectional

    optocoupler

    3.3V/5V dual supply

    voltage optocoupler

    Fastest Digital

    Optocoupler

    (50MBd, PWD

  • 5 Broadcom Limited Proprietary and Confidential. 2016 Broadcom Limited. All rights reserved. |

    Broadcom Optocouplers Overview

    Automotive-grade

    Optocouplers

    AEC-Q100 certification

    Digital Optocouplers

    Signal Isolation Digital Optocouplers

    (up to 50MBd)

    Digital Isolators (up to 100MBd)

    Analog Optocouplers &

    Special Functions

    Isolation Amplifiers

    Current / Voltage Sensing

    Isolated ADC

    Analog Output Iso-Amp

    Gate Drivers

    Power Device Gate Driving IPM Interface

    IGBT/MOSFET Gate drivers Smart gate drivers

    Basic gate drivers

    Hermetic Optocouplers

    MIL-PRF-38534 Industrial

    Product Family

    Market Segment

  • 6 Broadcom Limited Proprietary and Confidential. 2016 Broadcom Limited. All rights reserved. |

    Optocoupler Product Market Segments

    Motor Control

    http://209.237.52.105/largeview.php?setup=1_1_4_1&i=6763http://209.237.52.105/largeview.php?setup=1_1_4_1&i=6763

  • 7 Broadcom Limited Proprietary and Confidential. 2016 Broadcom Limited. All rights reserved. |

    What is Optocoupler? (also known as: Photocoupler, Opto-isolator, Optical isolator)

    Light Blocking

    Epoxy Outer Mold

    Input

    Leadframe

    Output Leadframe

    Insulation Tape

    Other Parameters:

    Package: SO, SSO, DIP, ACNV, ACNW, ACNT

    Reliability / Operating Lifetime

    Basic Safety Parameters:

    Viso : dielectric withstand voltage (UL1577)

    Viorm : max. working insulation voltage (IEC 60747-5-5)

    Clearance, creepage, DTI : insulation coordinates

    Functional, Basic, Reinforced Insulation

    Safety certificates (component level standards):

    UL1577, IEC 60747-5-5, CSA #5

    ESD: HBM, MM, CDM

    MSL=1 (most optocouplers)

    Optocoupler Selection Criteria

    Basic Electrical Parameters:

    CTR (= Io/If) range

    LED Vf, If

    Vcc power supply range

    Data rate (MBd) / tprop delay

    Operating temp. range

    CMRR kV/s (noise immunity)

  • 8 Broadcom Limited Proprietary and Confidential. 2016 Broadcom Limited. All rights reserved. |

    Broadcom Optocoupler Package Types

    SO-5

    Stretched

    SO-6 (SSO-6)

    Stretched

    SO-8 (SSO-

    8)

    Standard

    300mil

    DIP8

    Stretched SO-12

    (SSO-12)

    SO-16

    SO-8

    SO-8

    400mil

    DIP8

    Widebody

    500mil

    DIP10

    Widebody

    14.2mm

    SSO-8

    SO-16

    Narrow

    body

    SO-16

    SO-8

    SO-16

    Narrow

    body

    DIP-4, DIP-6, DIP-8

    DIP-16 White Housing

    Jade DIP-8

    Transparent Silicon

    WIDEBODY

    Reflective Silicon

    LED Photo

    Detector

    Jade S0-16

    White Housing

    SO-4, SO-5, SO-8

    SSO-6 SSO-8 Stag SO-8, SO-16

  • 9 Broadcom Limited Proprietary and Confidential. 2016 Broadcom Limited. All rights reserved. | Broadcom Limited Proprietary and Confidential. 2016 Broadcom Limited. All rights reserved.

    Introduce R2Couplers Broadcom Automotive-grade Optocouplers Broadcom offers reliable isolation technology with a wide selection of products

  • 10 Broadcom Limited Proprietary and Confidential. 2016 Broadcom Limited. All rights reserved. |

    Applications in xEV Systems Different packages to meet different high voltage requirement

    MOSFET

    Driver

    IGBT

    Driver

    IsoAmp IPM

    Driver

    10BMd

    Digital

    1MBd

    Digital

    Analog

    Part No.

    ACPL-

    K30T

    ACPL-

    K33T

    ACPL-

    782T

    ACPL-

    M46T

    ACPL-

    M71T/

    K71T/

    K74T

    ACPL-

    M43T

    ACPL-

    M43T/

    K43T

    ACPL-

    K34T

    ACPL-

    38JT

    ACPL-

    C87AT/

    C87BT

    ACPL-

    M43T

    ACPL-

    M72T/

    K72T/

    K75T

    ACPL-

    M46T

    ACPL-

    M49T/

    K49T

    ACPL-

    31JT

    ACPL-

    34JT/

    344JT

    ACPL-

    C797T

    ACPL-

    K43T/

    K44T

    ACPL-

    M61T

    ACPL-

    K43T/

    K44T

    ACPL-

    32JT/

    33JT

    ACPL-

    C799T*

    ACFL-

    6211T/

    6212T

    ACFL-

    5211T/

    5212T

    Charger

    Inverter

    HVAC

    DC/DC

    Oil Pump

    BMS

    * Advance information

    Oil Pump

    Inverter

    IPM Drive Interface

    Integrated IGBT Gate

    Drive

    CANBus Interface

    Digital Communications

    Status Control

    Charger & Converters

    IGBT Gate Driver

    MOSFET Driver

    Current/Voltage Sensing

    Digital Interface

    Communications

    Wake-Up/Status Control

    Fault Feedback

    CANBUS Interface

    Digital

    Communications

    Status Control

    Battery Management System

    Battery Pack Monitoring

    Voltage/Temperature Sensing

    CANBus Communications

    Status Control

    Battery Cell Management

    Cell Balancing

    Digital Communications

    Wake-Up/Status Control

    Fault Status Feedback

    Analog Sensing

    Temperature/

    Voltage Sensing

    Current sensing

    Drive System

    IPM Drive Interface

    Integrated IGBT Gate

    Drive

    Voltage/Current Sensing

    Digital Interface

    Communications

    Wake-Up

    Fault Feedback

    Aircon Compressor / Heater

    Inverter/Heater

    IPM Drive Interface

    Integrated IGBT Gate Drive

    Voltage Sensing

    IGBT Gate Drive

    CANBus Interface

    Digital Communications

    Status Control

  • 12 Broadcom Limited Proprietary and Confidential. 2016 Broadcom Limited. All rights reserved. |

    Gate Driver Selection for Inverter, DC/DC and Charger

    Isolation

    / Power

    Benefits < 10kW 10kW 100kW - 250kW

    Flyback Converter

    Isolation

    Driver

    Distributed

    power

    architecture

    Better

    performance

    and lower

    cost

    Isolation

    Driver

    Fully

    compatible to

    existing power

    architecture

    Application DC/DC, Charger Drive Systems

    ACPL-38JT 2A Gate Drive, Desat Sensing, Fault Feedback

    ACPL-34JT/344JT 2A Gate Drive, Desat Sensing Miller Clamp, UVLO Feedback

    ACPL-32JT 2A Gate Drive Desat Sensing Miller Clamp

    2W Fl