STBC03 Datasheet, PDF (2/34 Pages) STMicroelectronics – Li-Ion linear battery charger with LDO and load switches

Contents
Contents
STBC03
1 Application schematic .................................................................... 6
2 Pin configuration (top through view) ............................................. 7
3 Maximum ratings ............................................................................. 9
4 Electrical characteristics .............................................................. 10
5 Typical performance characteristics ........................................... 14
6 Functional pin description............................................................ 18
6.1 GND, AGND.................................................................................... 18
6.2 NTC................................................................................................. 18
6.3 ISET and IPRE................................................................................ 18
6.4 BATMS, BATMS_EN ...................................................................... 18
6.5 BATSNS, BATSNSFV ..................................................................... 19
6.6 BAT ................................................................................................. 19
6.7 IN .................................................................................................... 19
6.9 SYS ................................................................................................. 20
6.10 LDO................................................................................................. 20
6.11 WAKE-UP ....................................................................................... 20
6.13 CHG ................................................................................................ 21
6.14 CEN ................................................................................................ 21
6.15 SD ................................................................................................... 22
6.16 SW1_OA, SW1_OB, SW1_I, SW2_OA, SW2_OB, SW2_I ............. 22
6.17 SW_SEL1 and SW_SEL2 ............................................................... 22
7 Block diagram................................................................................ 23
8 Operation description ................................................................... 24
8.1 Power-on......................................................................................... 24
8.2 Battery charger................................................................................ 24
8.3 Battery temperature monitoring....................................................... 28
8.4 Battery overcharge protection ......................................................... 28
8.5 Battery over-discharge protection ................................................... 28
8.6 Battery discharge overcurrent protection ........................................ 28
8.7 Battery fault protection .................................................................... 28
8.8 Floating voltage adjustment ............................................................ 29
8.9 Input overcurrent protection ............................................................ 29
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DocID029927 Rev 2