AAT3681AIJS-4.2-2-T1 ANALOGICTECH [Advanced Analogic Technologies], AAT3681AIJS-4.2-2-T1 Datasheet - Page 2

• Manufacturer Part Number: AAT3681AIJS-4.2-2-T1
• Description: 500mA USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Pin Description
Pin Configuration
2
6, 7, 8
Pin #
1
2
3
4
5
Symbol
STAT
ISET
GND
ADP
BAT
EN
Power In
Power
In/Out
In/Out
Type
Out
In
Function
Enable pin.
AAT3681A, AAT3681A-1: Logic high enables the IC (internally pulled down).
AAT3681A-2: Logic low enables the IC (internally pulled down).
AAT3681A-3: Logic low enables the IC (no internal pull-down resistor).
Connect resistor here to set the charge current.
Battery charging and sensing.
Input from USB/adapter charger.
Open drain status pin.
Ground connection.
ISET
ADP
BAT
EN
(Top View)
SC70JW-8
1
2
3
4
Lithium-Ion/Polymer Battery Charger
8
7
6
5
GND
GND
GND
STAT
500mA USB Port or AC Adapter
AAT3681A
3681A.2007.10.1.2