Power Electronics / Power Management


High-performance charger ICs

8 May 2002 Power Electronics / Power Management

Microchip's first three Li-Ion battery chargers, each have unique feature sets for high-performance, single-cell battery applications. The MCP7382X family offers advanced battery management features that maximise battery life, reduce PCB footprint and minimise system cost. Features include the ability to monitor charge current and temperature, and to indicate a constant-current to constant-voltage transition. The devices are available in both 4,1 V and 4,2 V options to accommodate Li-Ion batteries with coke or graphite anodes. The battery chargers feature low shutdown (1 mA) and operating current (250 mA). Small SOT-23 and MSOP packages save board space while programmable charge current and external FET allow design flexibility. The operating voltage range of the MCP7382X family is 4,5 V to 5,5 V and temperature range is -20 to +85°C.

Avnet Kopp, 011 444 2333

Azona, 012 665 2880

Memec SA, 021 674 4103

Tempe Technologies, 011 452 0530



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