Hi, Are you using F280039x LaunchPad + DRV8323HR Boosterpack evaluation boards? Or is it your own custom hardware? What speeds are you testing the motor at? Does the noise change with speed? I have some debug / test suggestions below: Use current probe to check phase current waveform. Is there any distortion in the signals? Run Build Level #2 Open-loop and Level #3 closed current loop and check behaviors. Level #2 can be used to verify the current sensing accuracy, using datalog or DAC plotting debug tools. Also plot and check the angle value Best, Kevin
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