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TMP423: Schematic review and recommendation

Gary Chang
Intellectual 340 points
Part Number: TMP423

Tool/software:

Hello TI team,

We use TMP423A/TMP423B, please assist in reviewing the schematic.

Thanks

  • 0
    TI__Expert 4825 points

    Hi Gary,

    The schematic looks good and all of the passives are within datasheet spec. Just a couple of questions:

    • Do you have a filter cap for channel 3 on U115?
    • It's good practice to place the pullup resistors closer to the MCU rather than the target devices. So the pullups should be on the other side of the 0 ohm resistors.

    Also wanted to share that you can refer to the following document for more information and guidelines on placement and layout for the remote junctions.

    Best regards,

    Simon Rojas