DRV8711: DRV8711 TORQUE 0?

kevin.huang_FJXM

Expert 2925 points

Part Number: DRV8711

DRV8711 TORQUE 0?

After we set TORQUE to 0 now, IFS current is not 0mA.

over 3 years ago

0 Pablo Armet over 3 years ago

TI__Mastermind 37683 points

Hi Kevin,

Can you provide more information on the rest of your register configurations and the load type.

Regards,

Pablo

0 Pablo Armet over 3 years ago in reply to Pablo Armet

TI__Mastermind 37683 points

Hi Kevin,

Any updates? I will close this thread for now but you can reply back if you require further assistance. If thread is locked, ask a new related question.

Regards,

Pablo Armet

0 kevin.huang_FJXM over 3 years ago in reply to Pablo Armet

Expert 2925 points

hi Pablo:

The register configuration information is as follows,

The theoretical current is 3a*2%=60m, and the measured current is 900mA.

0 Jacob Thompson over 3 years ago in reply to kevin.huang_FJXM

TI__Mastermind 23431 points

Hey Kevin,

Just to clarify - is this happening when you're sending steps to it with the TORQUE value set to 0? Or is it having a holding current of 900mA when it should have 60mA?

Also, is this happening on your own circuit or an EVM? If it's your own circuit would you mind posting a schematic diagram for us to look at to help troubleshoot?

Thanks,

Jacob

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DRV8711: DRV8711 TORQUE 0?