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ina226怎么测量-5v驱动电路的负电流?

Other Parts Discussed in Thread: INA226, INA149, INA146

设计电流计用到了ina226,结果发现电路只能测+5v驱动的模块电流,-5v的电流无法驱动,有没具体的负压驱动的电流参考电路?