Low-Cost Single/Dual/Quad High-Side Current-Sense Amplifiers±0.5% Typical Full-Scale Accuracy+3V to +28V Supply OperationAdjustable Current-Sense Capability with External Sense ResistorBuffered Output Voltage with 2mA Drive1mA (typ) Supply Current2.0MHz Bandwidth (Gain = +20V/V)Automotive Temperature Range (-40°C to +125°C)High Accuracy +2V to +28V Common-Mode Range, Functional Down to 0V, Independent of Supply VoltageThree Gain Versions Available+20V/V (MAX437_T)+50V/V (MAX437_F)+100V/V (MAX437_H) Available in Space-Saving 5-pin SOT23 (Single), 8-pin μMAX (Dual), and 14-pin TSSOP (Quad)ApplicationsAutomotiveAutomotive Current DetectBattery ChargersCell PhonesCurrent-Limited Power SuppliesFuel Gauges in PCGeneral-System/Board-Level Current MonitoringNotebook ComputersPA Bias ControlPortable/Battery-Powered SystemsPower-Management SystemsSmart Battery Packages