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DRV8702-Q1: nFault PIN was pull down for a short period when nSleep status changes

Part Number: DRV8702-Q1

Dear Masters,

My customer is using DRV8702-Q1 in their product, and we found that no matter what load the device operated with, when the nSleep change from low to high or high to low, there will be a short pull low period, about 1ms. The customer is asking whether it is a normal reaction and any risks? Please help to check that is causing this symptom, below are some testing graphs (Blue line is nFault, Green Line is nSleep):

Thanks and looking forward to you feedback.

Eric