Microchip MCP73841-420I/UN Battery Charger for 1 Cell of Li-Ion Li-Pol 12V Input 4.2V Charge MSOP-10

The MCP73841-420I/UN is an advanced single cell lithium-ion/lithium-polymer Charge Management Controller combines high accuracy constant-voltage (0.5% maximum) constant-current regulation, cell pre-conditioning, cell temperature monitoring, advanced safety timers, automatic charge termination and charge status indication. The device provides a complete, fully functional, stand-alone charge management solution for applications utilizing single cell lithium-ion or lithium-polymer battery packs. Two preset voltage regulation options are 4.1 and 4.2V for use with either coke or graphite anodes. The MCP73841 operates with an input voltage range of 4.5 to 12V and is fully specified over the ambient temperature range of -40 to 85°C.

• Safety charge timers
• Automatic charge termination
• Automatic recharge
• Temperature monitor
• Charge status indicator
• 0.5% (maximum) High accuracy voltage regulation
• Automatic preconditioning of deeply depleted cells
• 0.25µA Typical shutdown current
• No inductor required
• Programmable charge current
• Automatic power-down when input power removed

Applications

Power Management, Consumer Electronics

Warnings ESD sensitive device, take proper precaution while handling the device. Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Other details

Brand	MICROCHIP
Part Number	MCP73841-420I/UN
Quantity	Each
Technical Data Sheet EN
CAD CadSoft_EAGLE EN
Product Change Notice EN

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