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记介绍了利用电流检测放大器，差分放大器和仪表放大器测量电池的充电和放电电流，便携式设备，电脑笔记本电脑和USB配件。它比较偏低，差分放大器的高边电流检测放大器和建议电流检测电阻的选择标准。描述一个高压断路器电路提供过电流保护系统因故障和短路。包含一个变量的线性电流源和一个可编程0-5A电流源的应用电路。Maxim>AppNotes>AutomotiveCircuitProtectionKeywords:currentsenseIC,highside,currentsense,amplifier,unidirectional,bi-directional,bidirectional,overcurrentprotection,shortNov19,2001circuitprotection,currentsenseresistor,currentsource,fuelgauges,fuelgages,batterychargingcurrentAPPLICATIONNOTE746High-SideCurrent-SenseMeasurement:CircuitsandPrinciplesAbstract:Thisapplicationnotedescribestheuseofcurrentsenseamplifiers,differentialamplifiersandinstrumentationamplifierstomeasurebatterychargeanddischargecurrentsinportableequipment,computernotebooksandUSBaccessories.Itcompareshighsidecurrentsenseamplifierswithlowsidedifferentialamplifiersandrecommendsselectioncriteriaforcurrentsenseresistors.A