STC3117 Datasheet, PDF (20/34 Pages) STMicroelectronics – Gas gauge IC with battery charger control for handheld applications

Functional description
VCC
Figure 10. Restart in case of battery swap
<0.5s
<0.5s
BATD
Short UVLO
event < 0.5s
No restart,
No operation
interruption
BATFAIL=0
UVLOD=0
Short battery
disconnection
event < 0.5s
No restart,
No operation
interruption
BATFAIL=0
UVLOD=0
Battery removal,
fast Vcc drop,
Restart at
powerup
PORDET=1
BATFAIL=0
UVLOD=0
STC3117
UVLO
POR
1.61V
20/34
DocID025792 Rev 2