Microchip (MCP73842-840I/UN) Battery Charger for 2 Cells of Li-Ion

Battery Charger for 2 Cells of Li-Ion, Li-Pol battery, 9.4V input, 8.4V / 1Acharge, MSOP-10Product OverviewThe MCP73842-840I/UN is an advanced dual cell lithium-ion/lithium-polymer ChargeManagement 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 statusindication. The device provides a complete, fully functional, stand-alone chargemanagement solution for applications utilizing dual series cell Lithium-Ion orLithium-Polymer battery packs. Two preset voltage regulation options are 8.2 and8.4V for use with either coke or graphite anodes. The MCP73842 operates with aninput voltage range of 8.7 to 12V and is fully specified over the ambienttemperature range of -40 to 85°C.Safety charge timersAutomatic charge terminationAutomatic rechargeTemperature monitorCharge status indicator0.5% (maximum) High accuracy voltage regulationAutomatic preconditioning of deeply depleted cells0.25µA Typical shutdown currentNo inductor requiredProgrammable charge currentAutomatic power-down when input power removedApplicationsPower Management, Consumer ElectronicsProduct InformationBattery Type: Li-Ion, Li-PolInput Voltage: 9.4VBattery Charge Voltage: 8.4VCharge Current Max: 1ABattery IC Case Style: MSOPNo. of Pins: 10PinsNo. of Series Cells: 2Operating Temperature Min: -40°COperating Temperature Max: 85°CMSL: MSL 1 - Unlimited