AAT3681
USB Port or AC Adapter
Lithium-Ion/Polymer Battery Charger
Pin Description
Pin #
Symbol
Type
Function
1
EN
In
Enable pin. Logic high enables the IC (internally pulled down).
Connect resistor here to set the charge current.
Battery charging and sensing.
2
ISET
BAT
In/Out
In/Out
Power In
Out
3
4
5
ADP
STAT
GND
Input from USB/adapter charger.
Open drain status pin.
6, 7, 8
Power
Ground connection.
Pin Configuration
SC70JW-8
(Top View)
8
7
6
5
1
2
3
4
GND
GND
GND
STAT
EN
ISET
BAT
ADP
2
3681.2007.01.1.2