STBC02 Datasheet, PDF (2/39 Pages) STMicroelectronics – Automatic power path management

Contents
Contents
STBC02
1 Application schematic .................................................................... 6
2 Pin configuration (top through view) ............................................. 8
3 Maximum ratings ........................................................................... 10
4 Electrical characteristics .............................................................. 11
5 Typical performance characteristics ........................................... 15
6 Functional pin description............................................................ 19
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
6.10
6.11
6.12
6.13
6.14
6.15
GND, AGND.................................................................................... 19
NTC................................................................................................. 19
ISET and IPRE................................................................................ 19
BATMS............................................................................................ 19
BATSNS, BATSNSFV ..................................................................... 20
BAT ................................................................................................. 20
IN .................................................................................................... 20
SYS ................................................................................................. 20
LDO................................................................................................. 21
WAKE-UP ....................................................................................... 21
CHG ................................................................................................ 21
CEN ................................................................................................ 22
RESET_NOW (RESET_CLEAR), nRESET, RST_PENDING ......... 22
6.13.1 Smart reset section control pins ....................................................... 22
6.13.2 Watchdog section control pins ......................................................... 23
SW1_OA, SW1_OB, SW1_I, SW2_OA, SW2_OB, SW2_I ............. 23
SW_SEL ......................................................................................... 24
7 Block diagram................................................................................ 27
8 Operation description ................................................................... 28
8.1 Power-on......................................................................................... 28
8.2 Battery charger................................................................................ 28
8.3 Battery temperature monitoring....................................................... 32
8.4 Battery overcharge protection ......................................................... 32
8.5 Battery over-discharge protection ................................................... 32
8.6 Battery discharge overcurrent protection ........................................ 32
8.7 Battery fault protection .................................................................... 32
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