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DRV8301 Snubber for EMI reductions [SP] TI NE

Other Parts Discussed in Thread: DRV8301

DRV8301 datasheet Fig 7 shows a 3.3-ohm+0.01uF snubber circuit on PVDD bus.  The DRV830x Hardware Development Package also shows this circuit on sheet 7 and calls it an EMI snubber.  What is the source of the EMI this circuit is supressing, and how are the component values chosen?  No mention of this in either the datasheet nor the HDP User Guide.

~Leonard