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DRV8305: the difference of the overcurrent threshold value is very serious

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Part Number:DRV8305

Dear,

DRV83053  is designed for a water pump BLDC driver,now the board can run normally.but customer test the overcurrent is different greatly.

for  the same chip,the high side and low side protect current threshold  is rather different. for the different chip,the different phase current and the high side or low side current is also different.please refer to the below test result.

can you tell me why the phase current of the same or different chip  is so different?

Thank you

Cickey Xu


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