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  • TCA9544A: TCA9544A

    TI Thinks Resolved
    Part Number: TCA9544A Tool/software: "I have developed four PCB boards and connected them through cables, with the master on one board, from where I am performing I2C communication." "Also, a GPIO expander on one PCB board controls two 4-channel multiplexers…

  • TCA9544A: TCA9544A

    Part Number: TCA9544A Tool/software: Is there a demo board available for this part? Please may I talk to an application engineer for this part? I am located in Irvine, CA and please may I receive local support for this part. Thanks, Jay

  • TCA9544A: TCA9544A

    Part Number: TCA9544A Tool/software: Hi, my name is Shyam from India. I am using a tca9544a mux, I have three mux's on my board, one of them fails to start when I restart the board. The address of the three mux's is different. thankS, SHYAM

  • TCA9544A: The difference between a switch and a multiplexer

    Answer Suggested
    Part Number: TCA9544A Tool/software: Hi Dears, The two materials TCA9544 and TCA9548, the former supports multi-channel selection, while the latter supports one-channel selection. From the perspective of the manual, both are used to solve I2C address…
    • Answered

  • TCA9544A: TCA9544APWR 2V5 to 3V3 voltage translation

    Resolved
    Part Number: TCA9544A Tool/software: Hello, Can I use TCA9544APWR as voltage translator from 2V5(VDPUM=2V5) to 3V3 / 2V5 (VDPU0=2V5 , VDPU1=3V3 , VDPU2=3V3 , VDPU3=2V5) ? Best regards, Mirel
    • Resolved
    • Answered

  • TCA9544A: Questions of TCA9544A

    Resolved
    Part Number: TCA9544A Dear Team, Do we have any suitable solution can replace NXP PCA9560? Many Thanks, Jimmy
    • Resolved
    • Answered

  • TCA9544A: output default status for TCA9544A

    Resolved
    Part Number: TCA9544A Dear team, For my application, we have multi-slave with same I2C address. And we want to use an I2C mux to access one slave at same time. Did we have I2C mux solution(4~8 channels) which suitable for this application? And…
    • Resolved

  • TCA9544A: COMMUNICATION WITH DAC

    TI Thinks Resolved
    Part Number: TCA9544A Other Parts Discussed in Thread: DAC53204 Hi, We are using TCA9544APWR I2C Mux in our design, which receives the I2C master lines from FTDI module UMFT4222EV-D. From the MUX, we are controlling the DAC53204 devices through I2C…

  • TCA9544A: There are steps in the rising waveform

    TI Thinks Resolved
    Part Number: TCA9544A Dear Specialists, My customer is evaluating TCA9544A and has a question. I would be grateful if you could advise. --- A step was observed in the rising edge of the I2C1_SCL (TCA9544 pin 18) and I2C1_SDA (TCA9544 pin 19) signals…

  • TCA9544A: what are the differences between the I2C mux(TCA9544A) and analog switch/mux (TMUX4052)

    TI Thinks Resolved
    Part Number: TCA9544A Hi team, Support need！ The customers want use our I2C mux to expand the their I2C bus. But they found the analog switch also meet their need(like rate and the devices use mos to change). So they ask why Ti make specific I2C switch…

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