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STW4102

STMicroelectronics
Part Number STW4102
Manufacturer STMicroelectronics
Description Dual USB/wall adapter Li-ion battery charger
Published Dec 8, 2008
Detailed Description STw4102 Dual USB/wall adapter Li-ion battery charger with gas gauge Features ■ Constant current com line...
Datasheet PDF File STW4102 PDF File

STW4102
STW4102

Overview
STw4102 Dual USB/wall adapter Li-ion battery charger with gas gauge Features ■ Constant current 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.
7 V ...


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