PRODUCT DATASHEET
AAT3663
BatteryManager
TM
1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications
Typical Characteristics—Dual Cell 8.4V
Constant Charging Current vs. Battery Voltage
1200
Preconditioning Threshold Voltage vs. Input Voltage
5.220
5.215
R
SET
= 1.78KΩ
Battery Voltage (V)
7.3
7.7
8.1
8.5
1000
800
5.210
5.205
5.200
5.195
5.190
5.185
5.180
I
CH
(mA)
R
SET
= 2.21KΩ
600
400
200
R
SET
= 3.57KΩ
R
SET
= 8.87KΩ
0
4.9
5.3
5.7
6.1
6.5
6.9
8
9
10
11
12
13
14
Battery Voltage (V)
Input Voltage (V)
Preconditioning Threshold Voltage vs. Temperature
5.24
Constant Charge Current vs. Input Voltage
(R
SET
= 8.87KΩ)
Ω
240
5.22
5.21
5.20
5.19
5.18
5.17
5.16
-40
-15
10
35
60
85
Charge Current (mA)
5.23
230
220
210
200
190
180
170
160
8
9
10
11
12
13
14
Battery Voltage (V)
V
BAT
= 7V
V
BAT
= 8.2V
V
BAT
= 6.6V
Temperature (°C)
Input Voltage (V)
3663.2008.01.1.2
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