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DRV8870: Power up sequence

Hirokazu Takahashi
Expert 8420 points
Part Number: DRV8870

Dear Support team,

Does DRV8870 have any issue if the input sigunals for IN1/2 and VREF will be active without VM?
If there may be any seqence at the power up, please let me know the attention points.

Best Regards,
Hirokazu Takahashi

  • 0
    TI__Guru** 114905 points

    Hi Takahashi-san,

    There are no issues, and no power up sequence.

    There will be some small current flowing through the IN1/IN2 internal pulldown resistors. For this reason, it is recommended to set the inputs to low when VM is 0.