PRODUCT DATASHEET
AAT3663
BatteryManager
TM
1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications
Typical Characteristics—Dual Cell 8.4V
End of Charge Voltage Accuracy vs. Input Voltage
End of Charge Voltage Accuracy (%)
(V
BAT_EOC
= 8.4V)
0.12
0.09
0.06
0.03
0.00
-0.03
-0.06
-0.09
-0.12
9.0
8.44
8.43
End of Charge Voltage vs. Temperature
(V
IN
= 10V; R
SET
= 8.87kΩ)
Ω
Battery Voltage (V)
8.42
8.41
8.40
8.39
8.38
8.37
8.36
-40
-15
10
35
60
85
9.6
10.2
10.8
11.4
12.0
12.6
13.2
Input Voltage (V)
Temperature (°C)
End of Charge Voltage vs. Input Voltage
(R
SET
= 8.87kΩ)
Ω
8.420
8.415
Recharge Threshold Voltage vs. Input Voltage
8.220
8.215
Battery Voltage (V)
8.410
8.405
8.400
8.395
8.390
8.385
8.380
9.0
9.6
10.2
10.8
11.4
12.0
12.6
13.2
Battery Voltage (V)
8.210
8.205
8.200
8.195
8.190
8.185
8.180
8
9
10
11
12
13
14
Input Voltage (V)
Input Voltage (V)
Recharge Threshold Voltage vs. Temperature
(V
IN
= 10V; R
SET
= 8.87KΩ)
Ω
8.28
8.26
Constant Charging Current vs. Battery Voltage
(R
SET
= 8.87KΩ)
Ω
240
Charging Current (mA)
210
180
150
120
90
60
30
0
4.9
5.3
5.7
6.1
6.5
6.9
7.3
Battery Voltage (V)
8.24
8.22
8.20
8.18
8.16
8.14
8.12
-40
-15
10
35
60
85
V
IN
= 10V
V
IN
= 11V
V
IN
= 12V
V
IN
= 13.2V
7.7
8.1
8.5
Temperature (°C)
Battery Voltage (V)
10
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3663.2008.01.1.2
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