AAT3685 Datasheet, PDF (7/23 Pages) Advanced Analogic Technologies – Lithium-Ion/Polymer Battery Charger

AAT3685
Lithium-Ion/Polymer Battery Charger
Typical Characteristics
Fast Charge Current vs. Temperature
(SETH; SETH = 3.83kΩ)
1100
1080
1060
1040
1020
1000
980
960
940
920
900
-50
-25
0
25
50
75
100
Temperature (°C)
Charging Current vs. Battery Voltage
(SETH; SETH = 3.83kΩ)
1200
1000
800
600
400
200
0
2.5
3
3.5
4
4.5
Battery Voltage (V)
Charging Current vs. Battery Voltage
(SETL; SETL = 40.2kΩ)
120
100
80
60
40
20
0
2.5
3
3.5
4
4.5
Battery Voltage (V)
Fast Charge Current vs. Supply Voltage
(SETH; SETH = 3.83kΩ)
1200
1000
800
600
V_BAT = 3.3V
V_BAT = 3.9V
V_BAT = 3.5V
400
200
0
4
4.25 4.5 4.75 5
5.25 5.5 5.75 6
Supply Voltage (V)
Fast Charge Current vs. Supply Voltage
(SETL; SETL = 40.2kΩ)
120
V_BAT = 3.5V
100
V_BAT = 3.9V
80
60
V_BAT = 3.3V
40
20
0
4
4.5
5
5.5
6
6.5
Supply Voltage (V)
Fast Charge Current vs. Supply Voltage
(SETH; SETH = 3.83kΩ)
1200
1000
0°C
800
70°C
25°C
600
400
200
0
4.40
4.50
4.60
4.70
4.80
4.90
5.00
Supply Voltage (V)
3685.2006.10.1.3
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