MAX1879EUA

Simple, Efficient, 1-Cell Li+ Pulse Charger IC, 8UMAX, -0.3V to +26V

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Price:: US $0.85~0.95 / piece [Get Latest Price]

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PartNumber:: MAX1879EUA

Brand:: Maxim Integrated Products - Maxim | Pack: MSOP | D/C: 09+

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Products Upload time: 2012-01-07

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Product Summary

The MAX1879EUA single-cell lithium-ion (Li+) battery charger utilizes an efficient pulse-charging architecture to minimize power dissipation in portable devices. This architecture combines the efficiency of switch-mode chargers with the simplicity and low cost of linear chargers. The MAX1879EUA, in conjunction with a current-limited wall cube and a PMOS transistor, allows safe and fast charging of a single Li+ cell. The MAX1879EUA is offered in a space-saving 8-pin μMAX package. An evaluation kit(MAX1879EUAEVKIT) is available to help reduce design time.

Parametrics

MAX1879EUA absolute maximum ratings: (1)IN, CHG, GATE to GND: -0.3V to +26V; (2)BATT, TSEL, THERM, ADJ to GND: -0.3V to +6V; (3)GATE to IN: -6V to +0.3V; (4)THERM, ADJ to BATT: -6V to +0.3V; (5)GATE Continuous Current: -10mA; (6)Continuous Power Dissipation (TA = +70℃), 8-Pin μMAX (derate 4.1mW/℃ above +70℃): 330mW; (7)Operating Temperature Range: -40℃ to +85℃; (8)Storage Temperature Range: -65℃ to +150℃; (9)Lead Temperature (soldering, 10s): +300℃.

Features

MAX1879EUA features: (1)Simple Design Minimizes Heat; (2)Low Component Count, No Inductor; (3)Battery-Full Indicator; (4)0.75% Accurate Battery Regulation; (5)1.5μA (max) Battery Current Drain with Wall Cube Removed; (6)Restart Charging at 4.0V; (7)Continuous Overvoltage and Overtemperature Protection; (8)Safely Precharges Near-Dead Cells; (9)Automatic Power-Down when Power Source is Removed; (10)Charges 1 Cell from as Low as 4.5V; (11)Pin-Compatible Upgrade to MAX1679.