AAT3683_08 Datasheet, PDF (2/23 Pages) Advanced Analogic Technologies – 1A Linear Li-Ion Battery Charger

BatteryManager^TM
PRODUCT DATASHEET
AAT3683
1A Linear Li-Ion Battery Charger
Pin Descriptions
Pin
AAT3683-2,
AAT3683-3
1
n/a
AAT3683-4
n/a
16
2
2
3
3
4
4
5
n/a
n/a
5
6
7
7
6
8
15
9
11
10
12
n/a
1, 8, 9, 10,
13, 14
EP
EP
Name
STAT
STAT1
TERM
GND
CT
ADPP#
STAT2
TS
BAT
IN
ISET
EN
N/C
Type
O
O
I
I
O
O
I/O
O
I
I
I
Function
Charge status pin, open drain.
Charge status pin, open drain.
Charge termination current programming input pin (internal default 10%
termination current if TERM is open).
Ground.
Charge timer programming input pin (no timer if grounded).
Input supply power-good status pin, open drain.
Charge status pin, open drain.
Battery temperature sense pin. (Leave this TS pin open to disable this
function in AAT3683-2).
Connect to Li-Ion battery.
Input from USB port/AC adapter connector.
Charge current programming input pin.
Active high enable pin (with internal pull-down).
Not connected.
Exposed paddle (bottom); connect to ground as closely as possible to the
device.
Pin Configuration
AAT3683-2,
AAT3683-3
STDFN2.2x2.2-10
(Top View)
AAT3683-4
QFN33-16
(Top View)
STAT ¹
TERM ²
GND ³
CT ⁴
ADPP# ⁵
10 _EN
9 _ISET
8 _IN
7 _BAT
6 _TS
N/C ¹
TERM ²
GND ³
CT ⁴
12 _EN
11 _ISET
10 _N/C
9 _N/C
2
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3683.2007.11.1.2