AAT3663_08 Datasheet, PDF (9/23 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
Preconditioning Threshold Voltage vs. Input Voltage
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
4 5 6 7 8 9 10 11 12 13 14
Input Voltage (V)
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
R_SET = 1.78kΩ
100
80
R_SET = 2.21kΩ
60
R_SET = 3.57kΩ
40
R_SET = 8.87kΩ
20
0
4
5
6
7
8
9 10 11 12 13 14
Input Voltage (V)
Constant Charge Current vs. Input Voltage
(R_SET = 8.87KΩ)
240
230
220
210
200
190
V_BAT = 3.3V ^VBAT ^{= 3.5V}
180
V_BAT = 3.9V
170
V_BAT = 4.1V
160
45
6
78
9
10 11 12 13 14
Input Voltage (V)
3663.2008.01.1.2
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