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DRV8323R: motor drive noise issue

Part Number: DRV8323R

Hi team,

Here's an issue from the customer may need your help:

Customer uses DRV8323HRTAR proof to make brushless motor drive, layout is done in accordance with chip manual, drive is now working properly. But now there are two issues:

1) There is significant electromagnetic noise at use.

2) The sampling current is higher than expected.

Please see the schematic and layout:

Could you help check this case? Thanks.

Best Regards,

Cherry