8.4V, 2-Cell, Lithium-Ion Battery Charger for DVD Player

bq24103 is a series Li-ion switching charger. The internal power FETs are capable of supplying up to 2 A of charging current. The synchronous PWM controller operates at 1.1MHz from an input voltage of up to 18 V, making it ideal for use in systems powered by 1-, 2-, or 3-cell battery packs