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INA210输出问题咨询

Other Parts Discussed in Thread: INA210

现在用INA210实现H桥驱动电机电流检测,电路图如下:

INA210,用在H桥的电机回路做电流检测,实现电流闭环控制。样片验证环境:H桥12V直流有刷电机,双向控制;1.5mΩ分流电阻,INA210  V+电源=5V,VREF=5V,分流电阻上电流压降0-50mv,当电机电流为1A时,INA210输出2.4V尖峰,输出不正常请问是何原因?请问该设计中INA210方案是否可行?

如果应用该方案有什么好的建议?

谢谢!