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Showing 214 results View by: Thread Post Sort by

  • TCA9535: TCA9535 button readout via i2c interface.

    Part Number: TCA9535 Tool/software: Dear all; We are using the TCA9535PWR chip in our equipment and we have had some problems with these chips burning out on some pins. The schematic we are using is below. Could the way the switch is connected when we bring…

  • TCA9535: H/L Threshold

    TI Thinks Resolved
    Part Number: TCA9535 Tool/software: Hi, Problem Description: We are using TI Expander (TCA9535) in our production line, with a VCC of 1.8V. Due to a new project design with weaker Pull down driving, we found that after voltage division with the expander…
    • Answered

  • TCA9535: PWM capability of the IO expander

    Resolved
    Part Number: TCA9535 Other Parts Discussed in Thread: TCA6507 , TCA9539-Q1 , TCAL9539-Q1 Tool/software: Hi Team, I need to replace some signals from my controller with an IO expander. This includes PWM signals also. Could you please help me to understand…
    • Resolved
    • Answered

  • TCA9535: Possibly Datasheet typo (fig numbers were incorrect) TCA9535PWR

    Resolved
    Part Number: TCA9535 Tool/software: Hi TI Team Thank you for your support. We found the datasheet and found that Figures 7-1 to 7-3 are shown on pages 11 to 13, and different drawings of Figures 7-1 to 7-3 are shown on pages 15 to 17 with the same…
    • Resolved

  • TCA9535: Application issues of chips

    TI Thinks Resolved
    Part Number: TCA9535 Tool/software: The new project TCA9535RTWR chip currently has a 1.3mA current phenomenon in 7 out of 180 chips in the production line. Can you help analyze where the current is usually damaged or caused? Thank you! SCH_SCHEMATIC1…

  • TCA9535: Z8523010 littlefuse

    TI Thinks Resolved
    Part Number: TCA9535 Other Parts Discussed in Thread: TL16C2552 Tool/software: Hi, I'm looking to replace this reference : Z8523010VSG but can't find anything similar or at least close? Would you have any suggestion ?

  • TCA9535: LED damage when measuring open/short circuit with multimeter on board while circuit is unpowered

    TI Thinks Resolved
    Part Number: TCA9535 Tool/software: The damage was repeated only 2 locations at D902 and D911, was not random. Is there diode clamping internal I/O pin? May I have internal structure of TCA9535? Could you please suggest solution to prevent? Note. we have…

  • TCA9535: Supply current

    TI Thinks Resolved
    Part Number: TCA9535 I am going to use this device with Aardvark which can source 5V 50mA. Is that sufficent to power up this device. IOs will be used to control FET Gate pins

  • TCA9535: I/O Ports question

    TI Thinks Resolved
    Part Number: TCA9535 Hi Team, Use TCA9535 to replace ON SEMI PCA9535ECMTTXG But the I/O architecture is different TCA9535 is push-pull PCA9535ECMTTXG is open drain Is it possible to modify the firmware of TCA9535 and change the I/O to open-drain? Thank…
    • Answered

  • TCA9535: How to test on IO Expander EVM without Launch pad board.

    Resolved
    Part Number: TCA9535 Other Parts Discussed in Thread: TCA9539 I am trying to use the IO Expander EVM board to test the aforementioned gpio expander. I do not have the MSP430 Launch Pad board that the datasheet for this EVM says is required, nor do I want…
    • Resolved
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