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DRV8840: DRV8840在OUT1,OUT2输出并接104电容,芯片发热异常,是什么原因?

Part Number: DRV8840

DRV8840在OUT1,OUT2输出并接104电容,驱动频率25KHz,占空比80%,电路1A左右,芯片发热异常,是什么原因?占空比100%情况下不发热。