Search tips
Showing 24 results View by: Thread Post Sort by

  • TCAL9538: TCAL9538

    TI Thinks Resolved
    Part Number: TCAL9538 Other Parts Discussed in Thread: TCA6408A , , TCA6416A , TCAL6408 , ADS7138-Q1 Hi Team, We want to use one GPIO expander in one of our design. Our supply voltage for this particular device is 1.8V/3.3V and we need all the GPIOs…
    • Answered

  • TCAL9538: Removing RESET Pin Pull-Up Resistor

    Resolved
    Part Number: TCAL9538 Hi team, The customer is considering using the TCAL9538PWR. Regarding pin 3 #RESET terminal: The datasheet states "Active-low reset input. Connect to VCC through a pull-up resistor if no active connection is used." They are asking…
    • Resolved

  • TCAL9538: Query on maximum output drive current of TCAL9538PWR

    TI Thinks Resolved
    Part Number: TCAL9538 Hi Team, I have a few questions regarding the TCAL9538PWR device. I am planning to use the I2C IO expander to drive an 7 segment display and would like clarification on the maximum output drive current per Port when operating at…

  • TCAL9538: What is the difference between TCAL9538 and TCA9538?

    TI Thinks Resolved
    Part Number: TCAL9538 Other Parts Discussed in Thread: TCA6416 , TCA9538 , Tool/software: I'm currently selecting an I/O expander IC. Are there any specific differences in usage? Do they provide Linux drivers?
    • Answered

  • TCAL9538: Open Drain Output Configuration?

    Resolved
    Part Number: TCAL9538 Tool/software: Hi expert, Is the open drain output configuration designed with an NMOS to GND? I'm assuming it’s an NMOS FET -> GND for open drain output configuration, but I would like to confirm. Thanks! McKenna
    • Resolved
    • Answered

  • TCAL9538: CLock Stretching

    Resolved
    Part Number: TCAL9538 Tool/software: Hi team, My customer are using USB to I2C Converter with Clock stretching option in order to communicate with TI Serializer . The same I2C Bus is connected with the IO expander TCAL9538PWR. Does IO expander also…
    • Resolved
    • Answered

  • TCAL9538: P ports input bias current

    Resolved
    Part Number: TCAL9538 Tool/software: Hello, I would need to use this part (or a similar I2C-GPIO expander) and make use of the configurable pull-up resistor. Unfortunately this resistor is quite large (140 kOhm worst case). My problem is that the…
    • Resolved

  • TCAL9538: Inquiry about TI replacement for NXP PCA9665PW,118

    TI Thinks Resolved
    Part Number: TCAL9538 Other Parts Discussed in Thread: MSPM0C1104 Tool/software: Hello, Please recommend a TI replacement for NXP PCA9665PW,118. Thank you.
    • Answered

  • TCAL6408: Differences compared to TCAL9538

    Resolved
    Part Number: TCAL6408 Other Parts Discussed in Thread: TCAL9538 Tool/software: Hello, My customer is looking for a small I2C I/O expander and interested in TCAL9538DTUR and TCAL6408DTUR. At first glance he found the following two differences between them…
    • Resolved
    • Answered

  • TCAL9538: Tell me about the Package Type X2QFN

    Resolved
    Part Number: TCAL9538 Tool/software: Hello, Support team, I want to know about TCAL9538DTUR, which package type is X2QFN. It seems that the indicated dimension does not include the pin. Would you tell me the dimension includes the pin size if…
    • Resolved

Didn't find what you are looking for? Post a new question.