Low-Cost Single/Dual/Quad High-Side Current-Sense Amplifiers ±0.5% Typical Full-Scale Accuracy +3V to +28V Supply Operation Adjustable Current-Sense Capability with External Sense Resistor Buffered Output Voltage with 2mA Drive 1mA (typ) Supply Current 2.0MHz Bandwidth (Gain = +20V/V) Automotive Temperature Range (-40°C to +125°C) High Accuracy +2V to +28V Common-Mode Range, Functional Down to 0V Supply Voltage Three 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)
Applications Automotive Automotive Current Detect Battery Chargers Cell Phones Current-Limited Power Supplies Fuel Gauges in PC General-System/Board-Level Current Monitoring Notebook Computers PA Bias Control Portable/Battery-Powered Systems Power-Management Systems Smart Battery Packages