DRV8328: VDSLVL setting (disable by tied to GVDD) with DRV8328A

Shotaro Sakai

Part Number: DRV8328

Tool/software:

Hello team,

When VDSLVL is tied to 100kΩ, VDS overcurrent protection is "disable completely" or "just set large reference threshold"? We are concerned about large pulse voltage when motor starts/stops.

Best regards,

Shotaro

7 months ago

0 Yara Al Shami 7 months ago

TI__Genius 15635 points

Hi Shotaro,

I believe it is completely disabled. The VDS threshold is set by applying 0.1V to 2.5V to the VDSLVL pin

Regards,

Yara

0 Shotaro Sakai 7 months ago in reply to Yara Al Shami

TI__Expert 3410 points

Hi Yara,

I already read the sentence. Then I posted the question. Can you double check in your team whether the function is disable by logic in DRV8328A?

Best regards,

Shotaro

+1 Yara Al Shami 7 months ago in reply to Shotaro Sakai

TI__Genius 15635 points

Hi Shotaro,

What is in the datasheet is updated and correct. VDSLVL is disabled when tied to GVDD with a 100k ohm resistor. Meaning there is no OCP threshold set for the device. Let me know if you have any additional questions.

Regards,

Yara

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DRV8328: VDSLVL setting (disable by tied to GVDD) with DRV8328A