AAT3663 Datasheet, PDF (7/22 Pages) Advanced Analogic Technologies – 1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications

AAT3663
1A Linear Li-Ion Battery Charger
for Single and Dual Cell Applications
Typical Characteristics
Constant Charging Current vs. V_BAT
(R_SET = 8.87kΩ)
240
V_IN = 13.2V
210
180
150
V_IN = 9.5V
V_IN = 12V
120
V_IN = 7.5V
90
V_IN = 5V
60
30
0
2.3 2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3
V_BAT (V)
Constant Charging Current vs. Battery Voltage
1200
1.78K
1000
2.21K
800
600
3.57K
400
8.87K
200
0
2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3
Battery Voltage (V)
Preconditioning Threshold Voltage vs. Input Voltage
2.70
2.68
2.66
2.64
2.62
2.60
2.58
2.56
2.54
2.52
2.50
4 5 6 7 8 9 10 11 12 13 14
Input Voltage (V)
Preconditioning Threshold Voltage vs. Temperature
2.70
2.68
2.66
2.64
2.62
2.60
2.58
2.56
2.54
2.52
2.50
-40
-15
10
35
60
85
Temperature (°C)
Preconditioning Charge Current
vs. Input Voltage
120
100
R_SET = 1.78kΩ
80
R_SET = 2.21kΩ
60
R_SET = 3.57kΩ
40
20
R_SET = 8.87kΩ
0
4
5
6
7
8
9 10 11 12 13 14
Input Voltage (V)
Temperature Sense Output Current
vs. Temperature
80
79
78
77
76
75
74
73
72
71
70
-40
-15
10
35
60
85
Temperature (°C)
3663.2007.10.1.0
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