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  • TCA6408A-Q1: TCA6408AQPWRQ1

    TI Thinks Resolved
    Part Number: TCA6408A-Q1 Other Parts Discussed in Thread: TCA6408A Hi Expert: We have Automotive Car infotainment project has design in TCA6408A-Q1 IO expander for MTK SoC linux driver . The Linux driver Kernel 5.15 version called gpio-pca953x.c and…

  • TCA6408A-Q1: do we have 4ch or 2ch device

    Part Number: TCA6408A-Q1 Hi Expert, Our customer need I2C I/O expander in camera module. They have very limit space. Do you have smaller device supporting 2CH or 4CH? Automotive chip is needed. Thanks. BR, Elec Cheng

  • TCA6408A-Q1: what's the power consumption of TCA6408A-Q1 when it's configured as output?

    Part Number: TCA6408A-Q1 Hello, I want to ask what the power consumption of TCA6408A-Q1 is when it's configured as output? When it's input, the power consumption is low, customer want to keep input & output function normal when SOC powered off, so…
    • Answered

  • TCA6408A-Q1: POR question

    Resolved
    Part Number: TCA6408A-Q1 Dear team, In my understanding, when the device is powered on for the first time, POR is not necessary, right? If so, could you please tell me what application needs POR after the first power on? If not, could you please tell me…
    • Resolved
    • Answered

  • TCA6408A-Q1: Each of Iccp, Icci current consumption

    Resolved
    Part Number: TCA6408A-Q1 What is the current consumption in operating mode for each of the Icci and Iccp of TCA 6408 A-Q1? The Electrical Characteristics in the data sheet specifies the total current value for the Icci + Iccp, but does not describe individual…
    • Resolved

  • TCA6408A-Q1: Inquiries about Timing Spec

    Part Number: TCA6408A-Q1 Hi, TI Support Team My client is measuring timing for the TCA6408A-Q1. I have a question about I2C Interface Timing described in the datasheet. There is a Min. value for Ticf in Fast Mode. Of course, Min. values exist for other…

  • TCA6408A-Q1: Power sequencing

    Part Number: TCA6408A-Q1 Hi Team, As per TCA6408A-Q1 datasheet Page 29 under “Power Supply Recommendations”, do design need to follow power up pattern/ reset pattern to bring the IO expander out of reset as shown in Fig 36,37. What issues it…

  • TCA6408A-Q1: LED Configuration

    Part Number: TCA6408A-Q1 Other Parts Discussed in Thread: TCA6408 Hi, Currently we are using TCA 6408 IO Expander to control LED . This IO Expander is connected in the serializer side.we will be using only 4 output(P0-P3) in the IO expander for channel…

  • TCA6408A-Q1: Default output state

    Part Number: TCA6408A-Q1 Other Parts Discussed in Thread: TCA6408A Dear Team, My customer is working on TCA6408AQPWRQ1 to use this device on their design, but they realized that the outputs are pulled high in power up and stay at this state until the SW…

  • TCA6408A-Q1: TCA6408A-Q1 GPIO expander alternative small size device

    TI Thinks Resolved
    Part Number: TCA6408A-Q1 Other Parts Discussed in Thread: TCA6408A Dear TI, ZF TRW Automotive is looking for I2C - GPIO expander to support ADAS Camera applications, in that way I found TCA6408A-Q1 as an option but we have some size constraint with package…

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