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DRV8328AEVM: 三相单电阻电机驱动板中滤波大电解电容的地的接法

Part Number: DRV8328AEVM

如上图,在单电阻采样设计中,大电解电容的地接在采样电阻的上端和下端,有什么区别,对电流的采样有什么影响?