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DRV8840: DRV8840 Has No Output

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Part Number: DRV8840

Hi

I use DRV8840PWP on my design. But i have no voltage at the output. You can see my sch below.

- I see 3v3 correctly at the nSleep, nReset, Phase and Enable pins. ( As i apply )

- I se 3v3 correctly at the V3P3OUT.

- I see about 35V at the VCP.

However I see no voltage at the Output pins.

- I see 0V at Output1 to Output2

- I see about 1.5V at Output1 to GND

- I see about 0v at Output2 to GND.

 


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