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  • TCA9535: TCA9535RGER vs TCA9535RTWR difference

    TI Thinks Resolved
    Part Number: TCA9535 Hi team, Customer is checking TCA9535RGER vs TCA9535RTWR difference, I find in datasheet, there are 2 points: 1. Thermal performance; 2. IC package height; Could you help check if there is any other difference? Thanks and Best regards…

  • TCA9535: i2c GPIO expander device not detected - linux host

    Part Number: TCA9535 Other Parts Discussed in Thread: PCA9535 Please find below further information provided to the case: Hello, Using both the TCA9535 and PCA9535 as described in application notes within the datasheet, the device is not being recognized…
    • Answered

  • TCA9535: Port configuration and settings don't work as expected

    Resolved
    Part Number: TCA9535 Other Parts Discussed in Thread: PCF8575 Hi, I am writing because I developed a board with an Atmega1284p processor communicating to two TCA9535RTWR via I2C. The power supply is 5V through a 100nF capacitor. On one port expander A0…
    • Resolved
    • Answered

  • TCA9535: What is the difference between the TCA9535RGER and TCA9535MRG?

    Resolved
    Part Number: TCA9535 Hello, I was wondering what the differences are between the TCA9535RGER and TCA9535MRG? Thank you, Tyler Johnson
    • Resolved
    • Answered

  • TCA9535: Interrupt pull-up voltage

    Resolved
    Part Number: TCA9535 Hi, are there any issues in pulling-up the interrupt pin of the TCA9535 to a different voltage than VDD? I want to power the TCA9535 at 5V and use a 3V3 pull-up on the interrupt pin. Thank you
    • Resolved

  • TCA9555PWR, TCA9535 ,PCA9535,PCF8575 (16-bit 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt)

    Other Parts Discussed in Thread: TCA9535 I have looked in to your products and can you provide additional clarification for the following Products about the below statement What does it mean by “Open-Drain Active-Low Interrupt Output” ? Is this in regards…
    • Answered

  • TCA9535: Searching TI solution

    Resolved
    Part Number: TCA9535 Hi Team Seem the TCA9535MRGER is old part. Do we have new roadmap device for replace TCA9535MRGER ? And I will suggest to my customer ,THX
    • Resolved

  • TCA9535: undershoot tolerance

    Answer Suggested
    Part Number: TCA9535 Hi Team, Huaqin server team is evaluating our TCA9535, when they configue the IO as the input, They found that the undershoot could reach -2.5V and the undershoot would last for 65ns. Unfortunately they haven't reserve serial resistor…
    • Answered

  • TCA9535: TCA9535 IO Input pin state

    Resolved
    Part Number: TCA9535 Hello Expert, Could you help to check the IO state when we set it as a input? What’s value of impedance in IO pin? thanks Jim
    • Resolved

  • TCA9535: TCA9535 Unused I/O Pullup/Pulldown needed?

    Part Number: TCA9535 Other Parts Discussed in Thread: TCA9555 Hello we are using the TCA9535 and we have about 8 of the 16 pins as unused in our design. The unused pins to not have the Pullup or Pull down through 10k (GND or VCC). In our design we see…

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