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TMP431: Unused pins

Oba
Genius 17285 points
Part Number: TMP431
Other Parts Discussed in Thread: DXP

Hello,

My customer is going to use TMP431 and would like to know how to terminate the below unused pins.

DXP, DXN, THERM, ALERT/THERM2.

Could you tell me that?

Regards,
Oba

  • +1
    TI__Expert 7170 points

    Hi Oba,

    The therm and alert pins are open drain so these can be grounded if unused. The DXP and DXN channels can be left open or shorted together and you can disable the remote temperature channel through the register map. However, please consider that in this functionality, you could use a local temperature sensor with I2C interface instead.

    Best regards,

    Simon Rojas