Lithium-Ion/Polymer Battery Charger
Typical Characteristics
I
FASTCHARGE
vs. R
SET
10000
4.242
AAT3687
Battery Voltage vs. Supply Voltage
I
FASTCHARGE
(mA)
4.221
1000
V
BAT
(V)
100
10
1
10
100
4.200
4.179
4.158
4.5
4.75
5.0
5.25
5.5
R
SET
(kΩ)
Ω
Supply Voltage (V)
End of Charge Voltage Regulation
vs. Temperature
4.242
Preconditioning Threshold
Voltage vs. Temperature
3.05
3.04
4.221
3.03
3.02
V
BAT
(V)
V
MIN
(V)
3.01
3.00
2.99
2.98
2.97
2.96
4.200
4.179
4.158
-50
2.95
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature (°C)
°
Temperature (°C)
°
Preconditioning I
CH
vs. Temperature
(ADPSET = 8.06kΩ)
Ω
120
1100
1080
Fast Charge Current vs. Temperature
(ADPSET = 8.06kΩ)
Ω
I
CH
ADP (mA)
I
CH
ADP (mA)
-25
0
25
50
75
100
110
1060
1040
1020
1000
980
960
940
920
100
90
80
-50
900
-50
-25
0
25
50
75
100
Temperature (°C)
Temperature (°C)
6
3687.2006.10.1.7
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
