General Description
The MAX4373/MAX4374/MAX4375 low-cost, micropower, high-side current-sense supervisors contain a highside current-sense amplifier, bandgap reference, and comparator with latching output. They feature a voltage output that eliminates the need for gain-setting resistors, making them ideal for today’s notebook computers, cell phones, and other systems where battery/DC current monitoring is critical.

FEATUREs
♦Current-Sense Amplifier plus Internal Comparator and Bandgap Reference
♦50µA Supply Current
♦Single +2.7V to +28V Operating Supply
♦0.66% Full-Scale Accuracy
♦Internal Bandgap Reference
♦Latching Comparator Output
♦Three Gain Versions Available (+20V/V, +50V/V, +100V/V)
♦Wide 0 to +28V Common-Mode Range, Independent of Supply Voltage

APPLICATIONs
Notebook Computers
Portable/Battery-Powered Systems
Smart Battery Packs/Chargers
Cell Phones
Power-Management Systems
General-System/Board-Level Current Monitoring
Precision Current Sources