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STw4102
Dual USB/wall adapter Li-ion battery charger with gas gauge
Features
■ Constant current www.DataSheet4U.com linear charger ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■
constant voltage (CCCV) QFN 24 (Plastic micropackage) Pin connections (top view)
PWRDETECTN TEST EOCHG BATTSENSE BATT SENSE
24 23 22 21 20 19
Common or separate USB/wall adapter inputs Fast charge current control up to 1 A for wall adapter and up to 500 mA for USB Support for currents higher than 1 A using external components Programmable charge voltage (4.1 V, 4.2 V, 4.3 V, 4.35 V) with 1% accuracy Thermal regulation Trickle charge mode at low battery voltage Wall adapter voltage up to 16 V Battery overvoltage protection at 4.
STW4102 Datasheet
