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BOOSTXL-DRV8323RS: 采样电流值和实际电流值偏差比较大

Part Number: BOOSTXL-DRV8323RS
Other Parts Discussed in Thread: DRV8323

在尝试8302和8323两款驱动芯片的运放后,都出现了采样电流值比实际电流值大的情况,造成电机实际出力偏小,在减小放大倍数,增大采样电阻后,可以改善一点效果,但无法根本解决问题,想请教下,具体会是什么原因,是因为8323和8302的运放的放大倍数不准确吗。