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  • TCA9534A: Technical Query - TCA9534A

    TI Thinks Resolved
    Part Number: TCA9534A Other Parts Discussed in Thread: TCA6416A , TCAL6408 , TCA6408A Hii Team, I'm, planning to use TCA9534A in our project. I want the I2C Interface to work at 3.3 V level but few GPIOs at 3.3 V level & few GPIOs at 1.8 level. Will…

  • TCA9534A: TCA9534A with TMAG5273

    Part Number: TCA9534A Other Parts Discussed in Thread: TMAG5273 , , TCA9543A Tool/software: Hello, I am using the TMAG5273 Hall sensor and the 8-channel TCA9534A GPIO expander. I connected the Hall sensor's interrupt pin to a GPIO pin on the GPIO…
    • Answered

  • TCA9534A: i2c signal error

    Resolved
    Part Number: TCA9534A Tool/software: Hi Team, we using GPIO to simulate I2C to control the TCA9534A. When I send I2C commands, such as I2C get unit 0 dev 14 reg 0x0 , it works fine for the first four command after power on. However, starting from…
    • Resolved
    • Answered

  • TCA9534A: Tj (max) and Max. power consumption Check

    Resolved
    Part Number: TCA9534A Tool/software: Hi Sir, We found Tj (max) only 100 o C in the datasheet, is it correct? Normally the Silicon IC should be 125 o C degree. If the Tj(max) is only 100 o C , what's the max. power consumption for TCA9534A. We would…
    • Resolved

  • TCA9546A: TCA9534A

    TI Thinks Resolved
    Part Number: TCA9546A Other Parts Discussed in Thread: USB2ANY , TCA9539 TCA9546A is used with TCA9539, how to use USB2ANY for communication？ TCA9546 A2A1A0 connect to ground salve address0x70, how to understand control register??(need to config channel…

  • TCA9534: TCA9534A

    TI Thinks Resolved
    Part Number: TCA9534 How should I set it up so that P0 is configured as outputs. P1, P2,P3, P4, P5, P6 and P7 are configured as inputs.

  • TCA9534A: PCA9534A and TCA9534A

    TI Thinks Resolved
    Part Number: TCA9534A Other Parts Discussed in Thread: PCA9534A , Hi Team, aside from the supply voltage we want to further understand the difference between PCA9534A and TCA9534A. Thank you.
    • Answered

  • TCA9554A: What's difference between TCA9554A and TCA9534A?

    Resolved
    Part Number: TCA9554A Other Parts Discussed in Thread: TCA9534A Hi team, My customer would like to know what's different between TCA9554A and TCA9534A? From simple comparison table, I can't judge their difference, so please advise. Thanks
    • Resolved

  • TCA9534A: P-port voltage clarification

    Answer Suggested
    Part Number: TCA9534A Hello Guys, Good day. Our customer need some clarification on the Electrical characteristics P-port voltage. The P-port voltage is lower than VCC on data sheet Page6.　 e.g. IOH=-8mA VCC 1.65V MIN P-port voltage 1.2V Under what…
    • Answered

  • TCA9534A: TCA9534A application and spec clarification

    Resolved
    Part Number: TCA9534A Other Parts Discussed in Thread: TCA9554A 1) We expected to use IO 0-7 to control LED, which part is suggested by TI? TCA9534A or TCA9554A 2) Does TI suggest that I/O port connect to LED directly? 3) Check datasheet, TCA9554A…
    • Resolved

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