Datasheet

DocID024654 Rev 2 5/29
STNS01 Pin configuration
3 Pin configuration
Figure 3. Pin configuration (top view)
Table 3. Pin description
Pin name Pin number Description
IN 1
Input supply voltage. Bypass this pin to ground with a 2.2 μF
capacitor
SYS 2
System output. Bypass this pin to ground with a 2.2 μF ceramic
capacitor
LDO 3
3.1 V LDO output. Bypass this pin to ground with a 1 μF ceramic
capacitor
SD 4 Shutdown. Active high. 500 kΩ internal pull-down
CHG 5 Charging/Fault flag. Active low
CEN 6 Charger enable pin. Active high. 500 kΩ internal pull-up (to LDO)
GND 7 Ground
NTC 8 Battery temperature monitor pin
ISET 9 Fast-charge programming resistor
BATMS 10 Battery voltage measurement pin
BATSNS 11
Battery voltage sensing. Connect as close as possible to the
battery’s positive terminal
BAT 12
Battery - positive terminal. Bypass this pin to GND with a 4.7 μF
ceramic capacitor
Exposed pad - Connect to GND
IN
ISETSD
GNDCEN
CHG
BAT
BATSNS
BATMS
SYS
LDO
NTC
AM12708v1