PRODUCT DATASHEET
AAT2601178
Total Power Solution for Portable Applications
Typical Characteristics—Charger
Preconditioning Threshold Voltage
vs. Temperature
Preconditioning Charge Current vs. Temperature
(VBAT = 2.5V, RSET = 1.24kΩ)
2.810
2.808
2.806
115
VCHGIN = 6.0V
110
105
100
2.804
VCHGIN = 5.5V
2.802
VCHGIN = 6.0V
2.800
2.798
95
90
85
80
VCHGIN = 5.5V
VCHGIN = 5.0V
2.796
VCHGIN = 4.5V
VCHGIN = 5.0V
VCHGIN = 4.5V
2.794
2.792
2.790
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature (°C)
Temperature (°C)
Recharge Voltage Threshold vs. Temperature
(VRCH set to 4.0V)
Output Charge Voltage Regulation vs. Temperature
(End of Charge Voltage)
4.25
4.24
4.23
4.22
4.06
4.05
4.04
4.03
VCHGIN = 6.0V
VCHGIN = 5.5V
4.02
4.21
4.20
4.19
4.18
4.17
4.16
VCHGIN = 5.5V
4.01
VCHGIN = 6.0V
4.00
3.99
VCHGIN = 5.0V
VCHGIN = 5.0V
3.98
VCHGIN = 4.5V
VCHGIN = 4.5V
3.97
3.96
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature (°C)
Temperature (°C)
Charge Termination Threshold Current
vs. Temperature
Charging Current vs. Battery Voltage
(RISET = 1.24kΩ)
900
100
90
80
70
60
50
40
30
20
10
0
VCHGIN = 6.0V
VCHGIN = 5.5V
VCHGIN = 5.0V
800
700
600
500
400
300
200
100
0
VCHGIN = 6.0V
VCHGIN = 5.5V
VCHGIN = 4.5V
VCHGIN = 5.0V
VCHGIN = 4.5V
2.5
2.9
3.3
3.7
4.1
4.5
-50
-25
0
25
50
75
100
Temperature (°C)
Battery Voltage (V)
w w w . a n a l o g i c t e c h . c o m
10
2601.2008.01.1.0
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
