AAT2550_08 Datasheet, PDF (10/34 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

SystemPower^TM
PRODUCT DATASHEET
AAT2550178
Total Power Solution for Portable Applications
Typical Characteristics — Battery Charger
Constant Charging Current vs. R_SET
Battery Voltage vs. Supply Voltage
10000
4.242
1000
100
4.221
4.200
4.179
10
1
10
100
R_SET (kΩ)
4.158
4.5
4.75
5.0
5.25
5.5
Supply Voltage (V)
End of Charge Voltage Regulation
vs. Temperature
4.242
4.221
4.200
4.179
4.158
-50
-25
0
25
50
Temperature (°C)
75
100
Preconditioning Threshold
Voltage vs. Temperature
3.05
3.04
3.03
3.02
3.01
3.00
2.99
2.98
2.97
2.96
2.95
-50
-25
0
25
50
75
100
Temperature (°C)
Preconditioning Current vs. Temperature
(ADPSET = 8.06kΩ)
120
110
100
90
80
-50
-25
0
25
50
Temperature (°C)
75
100
Constant Charging Current vs. Temperature
(ADPSET = 8.06kΩ)
1100
1080
1060
1040
1020
1000
980
960
940
920
900
-50
-25
0
25
50
Temperature (°C)
75
100
10
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2550.2008.02.1.3