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只适合±5A电流的测量，那怎么用于电动汽车呢？例如48V/50AH的电池组，2个小时充满的话，电流就达到了25A，这怎么用TIPD201来测电流呢？
电流测量关心的是Vshunt的测量范围， Vshunt支持-2.5V ~ 2.5V的输入范围，根据电流的大小， 选择合适的Shunt电阻即可满足。通常电动汽车的电阻在0.x mohm，
3x
