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DRV8802: VREF CURRENT

Kenji Ohno1
Genius 5095 points

Part Number: DRV8802

Hi Team,

The voltage dividing resistance is set to VREF. What is the preferred value of the current flowing to VREF?
Is it better for smaller current values? It is necessary to determine the division resistance.
Best Regards,
Kenji
  • 0
    TI__Expert 8985 points

    Hi Kenji,

    There is a Iref spec in the datasheet with a range of -3uA to 3uA. You can try to aim to keep it close to 0 uA.

    As for determining the division resistance, you can follow the example in the typical applications section of the datasheet and the divider values on the EVM.