AAT3663_08 Datasheet, PDF (8/23 Pages) Advanced Analogic Technologies – 1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications

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PRODUCT DATASHEET
AAT3663
1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications
Typical Characteristics—Single Cell 4.2V
End of Charge Voltage Accuracy vs. Input Voltage
(V_{BAT_EOC} = 4.2V)
0.100
0.075
0.050
0.025
0.000
-0.025
-0.050
-0.075
-0.100
4 5 6 7 8 9 10 11 12 13 14
Input Voltage (V)
End of Charge Voltage vs. Temperature
4.220
4.215
4.210
4.205
4.200
4.195
4.190
4.185
4.180
-40
-15
10
35
60
85
Temperature (°C)
Recharge Threshold Voltage vs. Input Voltage
4.120
4.115
4.110
4.105
4.100
4.095
4.090
4.085
4.080
4 5 6 7 8 9 10 11 12 13 14
Input Voltage (V)
Recharge Voltage vs. Temperature
(V_IN = 5V; R_SET = 8.87kΩ)
4.14
4.13
4.12
4.11
4.10
4.09
4.08
4.07
4.06
-40
-15
10
35
60
85
Temperature (ºC)
Charging Current vs. Battery Voltage
(R_SET = 8.87KΩ)
240
210
V_IN = 12V
V_IN = 13.2V
180
150
V_IN = 5V
V_IN = 7.5V V_IN = 9.5V
120
90
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
Battery Voltage (V)
Charging Current vs. Battery Voltage
1200
1000
R_SET = 1.78KΩ
800
R_SET = 3.57KΩ
600
400
R_SET = 2.21KΩ
200
R_SET = 8.87KΩ
0
2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3
Battery Voltage (V)
8
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3663.2008.01.1.2