PRODUCT DATASHEET
AAT2550178
SystemPowerTM
Total Power Solution for Portable Applications
Typical Characteristics — Battery Charger
Constant Charging Current vs. RSET
Battery Voltage vs. Supply Voltage
10000
4.242
4.221
4.200
4.179
4.158
1000
100
10
1
10
100
4.5
4.75
5.0
5.25
5.5
RSET (kΩ)
Supply Voltage (V)
End of Charge Voltage Regulation
vs. Temperature
Preconditioning Threshold
Voltage vs. Temperature
4.242
4.221
4.200
4.179
4.158
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
-50
-25
0
25
50
75
100
Temperature (°C)
Temperature (°C)
Preconditioning Current vs. Temperature
(ADPSET = 8.06kΩ)
Constant Charging Current vs. Temperature
(ADPSET = 8.06kΩ)
120
1100
1080
1060
1040
1020
1000
980
110
100
90
960
940
920
900
80
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature (°C)
Temperature (°C)
w w w . a n a l o g i c t e c h . c o m
10
2550.2008.02.1.3
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
