Microchip (MCP73844-840I/MS) Battery Charger for 2 Cells of Li-Ion

Battery Charger for 2 Cells of Li-Ion, Li-Pol battery, 9.4V input, 8.4V / 1A charge, MSOP-8 Product Overview The MCP73844-840I/MS is an advanced dual cell lithium-ion/lithium-polymer charge Management Controller for use in space-limited and cost-sensitive applications. This combines high accuracy constant-voltage (0.5% maximum), constant-current regulation, cell preconditioning, advanced safety timers and automatic charge termination. The device provides a complete, fully functional, stand-alone charge management solution for applications utilizing dual series cell lithium-ion or lithium-polymer battery packs. This operates with an input voltage range of 8.7 to 12V and is fully specified over the ambient temperature range of -40 to +85°C. Safety charge timer Automatic charge termination Automatic recharge 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 Product Information Battery Type: Li-Ion, Li-Pol Input Voltage: 9.4V Battery Charge Voltage: 8.4V Charge Current Max: 1A Battery IC Case Style: MSOP No. of Pins: 8Pins No. of Series Cells: 2 Operating Temperature Min: -40°C Operating Temperature Max: 85°C MSL: MSL 1 - Unlimited