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  • TCA9803: Use with other vendor buffers

    Resolved
    Part Number: TCA9803 Is there a white paper or other resource that discusses using the TCA980x with other vendor I2C buffers like the LTC4300? Our scenario is a Single Board Computer in a VPX rack uses the LTC4300A-1, and we are considering using the…
    • Resolved

  • TCA9803: 5.5V up translation version of TCA9803

    TI Thinks Resolved
    Part Number: TCA9803 Other Parts Discussed in Thread: TMP1075 , , TCA9517A , TCA9509 , TCA9617B , TCA9511A , TCA4307 , TCA39416 , TCA9406 , TCA9416 Hello community, We have to interface 4 to 5 x TMP1075 sensors with our MCU over a maximum bus length of 5m. This…

  • TCA9803: i2c BUFFER Query

    TI Thinks Resolved
    Part Number: TCA9803 Other Parts Discussed in Thread: PCA9306 , LSF0102 Hello, in the figure, the 3.3V/1.8V master requires communication with four 1.2V slaves through I2C buffer. Is there any suitable scheme to recommend
    • Answered

  • TCA9803: Is this connection configuration possible?

    Resolved
    Part Number: TCA9803 Hi all, I would like to ask a question of configuration. Is it possible the connection configuration as shown below? Can I connect TCA9803 from BUS B in parallel? Best Regards, Ryusuke
    • Resolved
    • Answered

  • RE: TCA9803: IBIS Model

    Resolved
    Hi, Glad we could talk about this. I made a note in actions items for our I2C IBIS models for the team. I will talk with upper management and design teams to see what actions we can take to update the models. Regards, Tyler

  • TCA9803: VCCB Pull up

    TI Thinks Resolved
    Part Number: TCA9803 If the voltage of VCCB and the supply voltage of the slave side IC are the same, is it correct to use without pull-up from the figure shown in the data sheet?
    • Answered

  • TCA9803: Is this connection configuration possible?

    Resolved
    Part Number: TCA9803 Hi all, I would like to ask a question of configuration. Is it possible the connection configuration as shown below? Can I connect the Slave MCU and sensors between TCA9803? Best Regards, Ryusuke
    • Resolved
    • Answered

  • TCA9803: Bus capacitance vs number of slave devices

    Resolved
    Part Number: TCA9803 Hi TI team, We are using TCA9803 as I2C buffer and it has to drive 5 slave devices. (Please see below sketch) Will it be an issue to drive 5 slaves devices like this? Clock used in this case would be 400kHz. If approximate 10-13pF…
    • Resolved
    • Answered

  • TCA9803: TCA9803 over TCA9406

    Resolved
    Part Number: TCA9803 Other Parts Discussed in Thread: TCA9406 Hi Team, I need a simple voltage translator for I2C. I was looking at the TCA9803. Side B of the device has current source that is always active. I verified the connected device leakage and…
    • Resolved
    • Answered

  • TCA9803: Connecting VCCB to EN Pin

    Resolved
    Part Number: TCA9803 Other Parts Discussed in Thread: SN74LVC1G07 My I2C controller will directly connect to about eight I2C devices. I plan on adding TCA9803 devices with port A connected to the I2C controller side and the four level shifted/isolated…
    • Resolved

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