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DRV8432: OC-ADJ calculation

Pao Wu
Intellectual 920 points

Part Number: DRV8432

Hi All,

Could you please help to provide OC-ADJ calculator information to us??

My customer need to set OC = 2A. Please kindly help. thanks.

  • 0
    TI__Guru** 114905 points
    Hi Pao Wu,

    Please use a 143 kOhm resistor for 2A. The values are approximately linear between each point.

    Please note there is device to device variation to consider. From the datasheet:
    Assuming a fixed resistance on the OC_ADJ pin across multiple devices, a 20% device-to-device variation in OC threshold measurements is possible. Therefore, this feature is designed for system protection and not for precise current control.