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DRV8702-Q1: Negative sense current

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Part Number:DRV8702-Q1

Hi,

I have a DRV8702 driving a full H-bridge via independent PWM. I want to use the sense resistor as a means to detect a short circuit. However, as the H--bridge and the resistor are in parallel to the bulk capacitor, the current seen by the resistor can be negative also (my load is pretty inductive).

From the datasheet I'm not certain what's the behaviour of the driver in such case. What happens when Vsp is negative? The tripping circuit acts also? It trips when Vsp< -1 V?

Thanks,

Federico


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