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  • TCA6416A: ADDR

    TI Thinks Resolved
    Part Number: TCA6416A Hi, Good Day. QFN package pin 18 ADDR, when not connect high, does this pin need to be ground? Please advise. Thank you very much. Best Regards, Ray Vincent

  • TCA6416A: how to set up standby mode

    Answer Suggested
    Part Number: TCA6416A Dear Team, 1. How to set up standby mode? 2. How to wake up from standby mode to operating mode. 3. How long does it take to switch from standby mode to operating mode ? Many Thanks, Jimmy

  • TCA6416A: Register details for generating PWM from P13

    TI Thinks Resolved
    Part Number: TCA6416A Hello, Our application requires a PWM output from TCA6416A. We are using 10 ports as outputs and 3 ports as inputs from TCA6416A in total. Using Port P13 to generate PWM with a frequency of 1.5kHz. Our duty cycle requirement…
    • Answered

  • TCA6416A: looking for I/O expander solution for SPI interface

    Resolved
    Part Number: TCA6416A Other Parts Discussed in Thread: SN74HCS595 , SN74HCS165 , MSP430FR2000 Dear team, I am looking for I/O expander for SPI interface. Did we have solution now? I have found some related post about SPI application. May i learn…
    • Resolved
    • Answered

  • TCA6416A: Need a SPI version io-expander, similar with TCA6416A

    Resolved
    Part Number: TCA6416A Hi, Please recommend a io expander device , spi interface, similar with TCA6416A. Thanks.
    • Resolved

  • TCA6416A: Schematic Review

    TI Thinks Resolved
    Part Number: TCA6416A Hi Team , Please review the attached schematic of I2C based GPIO Expander : Pull-up of value 10k has been added on all signals which are to be used as input ports . Thanks, Manoj

  • TCA6416A: thermal pad size

    TI Thinks Resolved
    Part Number: TCA6416A Hi Team, Customer is looking for alternative of PCAL6416AHF and I am proposing the TCA6416A. and they would like to confirm if the difference is only the thermal pad size? please help to comment. Thanks! Patty

  • TCA6416A: The output can't down to low level.

    Part Number: TCA6416A Hello, I have issue with P00 - P17 outputs. 1. The P00 used as output with 2.2KOhm Pull Up resistor. Connected to 3.3v power supply The other circuit on this output disconnected for this test. In this setup the output…

  • TCA6416A: SDA line held low by the device, inconsistent communication.

    Part Number: TCA6416A Hello, We are working with this device on a new design, interfacing with an STM32 microcontroller. We've found that communication with the device is inconsistent, and it appears to enter a fault mode where it holds the SDA line…
    • Answered

  • TCA6416A: TCA6416A vs PCAL6416A: Using TCA6416A with firmware written for PCAL6416A

    Resolved
    Part Number: TCA6416A Hi, we have a design that has firmware written for the NXP PCAL6416A. Because of this, there are some commands in the firmware that are not supported by the TCA6416A. I am looking at substituting in the TCA6416A, but would like to…
    • Resolved

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