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DRV8870: Absolute Maximum Rating of OUTpin

Part Number: DRV8870

Hi Team,

My customer is considering an Earth fault detection circuit for a motor output line.

In the attached circuit configuration, the Absolute Maximum Rating (VM +0.7V) of the OUT pin is exceeded when VM=0V.

A few mA will flow through the body diode to the OUT1 side high side FET, but I don't think it will break the IC.

Is it OK to configure such a detection circuit?

Regards,

Kenji

Earth fault detection.pdf