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DRV8353RS-EVM: Get GDF Fault When I click on "Start Motor" button from GUI in my my new EVM

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Part Number: DRV8353RS-EVM

Hi ,

Just powered up my new  EVM today. 

Driver board shows Green 3.3V LED,  and Orange LED.  Communicates with GUI.

In GUI, when "System Enable" is enabled  and clicked on "Start Motor" , Fault LED glows.  Motor shaft does not move.

It goes to Motor indentification in first run, after some time green led comes on in Motor identification. Next "start motor" also, red  fault led continue to glow.

Motor takes current around 80 mA. DC voltage is 25V. No extra current when Start motor is pressed.

I probed, PWM signals from micro controller. They all are toggling. DRV chip output side, top side PWM signals are all 1. Low side  PWM signals are all 0.

Please help to identify the issue and make the motor run.

I am attaching the error Register screen shot. GDF bit is set as 1.

Regards,

Anil


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