AAT3680
Lithium-Ion/Polymer
Linear Battery Charge Controller
Pin Description
Pin #
TSOPJW-12
MSOP-8
Symbol
BAT
Function
1
2
3
4
8
7
Battery voltage level sense input.
Current sense input.
CSI
N/A
6
N/C
Not connected.
T2X
2X battery trickle charge control input. Connect this pin to VSS to
double the battery trickle charge current. Leave this pin floating for
normal trickle charge current (10% of full charge current). To enter
microcontroller fast-read status, pull this pin high during power-up.
5
6
7
5
4
3
DRV
VSS
Battery charge control output.
Common ground connection.
STAT
Battery charge status output. Connect an LED in series with 2.2kΩ
from STAT to VP to monitor battery charge state.
8, 9, 10, 11
12
1
2
VP
TS
Power supply input pin.
Battery temperature sense input.
Pin Configuration
TSOPJW-12
(Top View)
MSOP-8
(Top View)
1
8
BAT
VP
1
2
3
4
5
6
12
11
10
9
BAT
CSI
N/C
T2X
DRV
VSS
TS
VP
VP
VP
VP
STAT
2
3
4
7
6
5
TS
STAT
VSS
CSI
T2X
DRV
8
7
2
3680.2006.03.1.6
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
