Product Summary

The MAX4372TEUK-T is a low-cost, precision, high-side current-sense amplifier. It is available in a tiny, space-saving SOT23-5-pin package. Offered in three gain versions (T = 20V/V, F = 50V/V, and H = 100V/V), this device MAX4372TEUK-T operates from a single 2.7V to 28V supply and consumes only 30μA. It features a voltage output that eliminates the need for gain-setting resistors and is ideal for today’s notebook computers, cell phones, and other systems where battery/DC current monitoring is critical. The applications of the MAX4372TEUK-T include Power-Management Systems, General-System/Board-Level Current Monitoring, Notebook Computers, Portable/Battery-Powered Systems, Smart-Battery Packs/Chargers, Cell Phones and Precision-Current Sources.

Parametrics

MAX4372TEUK-T absolute maximum ratings: (1)VCC, RS+, RS- to GND: -0.3V to +30V; (2)OUT to GND: -0.3V to +15V; (3)Differential Input Voltage (VRS+ - VRS-): ±0.3V; (4)Current into Any Pin: ±10mA; (5)Continuous Power Dissipation: 312.6mW; (6)Operating Temperature Range: -40 to +85℃; (7)Storage Temperature Range: -65 to +150℃; (8)Lead Temperature (soldering, 10s): +300℃; (9)Soldering Temperature (reflow): +300℃.

Features

MAX4372TEUK-T features: (1)Low-Cost, Compact Current-Sense Solution ; (2)30μA Supply Current ; (3)2.7V to 28V Operating Supply; (4)0.18% Full-Scale Accuracy; (5)0.3mV Input Offset Voltage; (6)Low 1.5Ω Output Impedance; (7)Three Gain Versions Available 20V/V; (8)High Accuracy +2V to +28V Common-Mode Range, Functional Down to 0V, Independent of Supply Voltage; (9)Available in a Space-Saving 5-Pin SOT23 Package and 3 × 2 UCSP (1mm×1.5mm) Package.

Diagrams

MAX4372TEUK-T typical operating circuit

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