Li-Ion/Li-Polymer battery charger
17 September 2008
Power Electronics / Power Management
New from Microchip is the MCP73871 charge-management controller – a Li-Ion/Li-Polymer charger with an intelligent charge management feature that enables simultaneous AC-DC-adapter or USB-port charging and powering of devices. The single-chip charger features an integrated pass transistor and numerous battery and termination-voltage options. With highly accurate voltage regulation of 0,5%, the new charger extends battery life by allowing the battery to be charged closer to its optimal limit. It is suitable for portable consumer electronic products, such as GPS units, phone chargers, toys, cameras, PDAs, Bluetooth headsets and many more. Microchip has also developed the MCP73871 Evaluation Board, to help engineers get started using the new charger in their designs. The charger is available in a 20-pin, 4 x 4 mm QFN package.
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