The MAX4073 low-cost, high-side current-sense amplifierfeatures a voltage output that eliminates the needfor gain-setting resistors making it ideal for cell phones,notebook computers, PDAs, and other systems wherecurrent monitoring is crucial. High-side current monitoringdoes not interfere with the ground path of thebattery charger making the MAX4073 particularly usefulin battery-powered systems. The input common-moderange of +2V to +28V is independent of the supply voltage.The MAX4073’s wide 1.8MHz bandwidth makes itsuitable for use inside battery-charger control loops.The combination of three gain versions and a selectableexternal-sense resistor sets the full-scale currentreading. The MAX4073 offers a high level of integration,resulting in a simple and compact current-sensesolution.
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