Microchip Li-Ion Battery Charger for MCP1630

MCP1630 Li-Ion Battery Charger Reference Design

The MCP1630 Low Cost Li-Ion Battery Charger is used to evaluate Microchip’s MCP1630 used in a SEPIC power converter application. The MCP1630 Low Cost Li-Ion Charger is capable of charging a single-cell, Li-Ion battery pack utilizing an input voltage of 6V to 18V (battery packs are not included). The MCP1630 Low Cost Li-Ion Battery Charger provides a constant current - constant voltage charge with preconditioning, cell temperature monitoring, and battery pack fault monitoring. The battery charger provides a status and fault indication. The MCP1630 Low Cost Li-Ion Battery Charger automatically detects the insertion or removal of a battery pack.

Programmed parameters - modified in firmware
Factory Settings: Preconditioning Charge Current 200mA, Preconditioning Threshold 3V, Constant Current Fast Charge 2A, Constant Voltage Charge 4.2V
Overvoltage protection (battery removed)
Over charge protection to prevent the battery from becoming dangerously overcharged
Over current protection in the event of a shorted battery
Overtemperature protection to prevent the battery from reaching too high a temperature during charge
Fast charge termination if the battery temperature is outside a preset window
Controlled soft-start

Battery Management, Microchip