AAT3601_08 Datasheet, PDF (10/37 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

PRODUCT DATASHEET
AAT3601178
Total Power Solution for Portable Applications
Typical Characteristics – Charger
Charging Current vs. Battery Voltage
(R_ISET = 1.24kΩ)
900
800
V_CHGIN = 6.0V
700
V_CHGIN = 5.5V
600
500
V_CHGIN = 5.0V
400
300
V_CHGIN = 4.5V
200
100
0
2.5
2.9
3.3
3.7
4.1
4.5
Battery Voltage (V)
Preconditioning Threshold Voltage
vs. Temperature
2.810
2.808
2.806
2.804
2.802
2.800
V_CHGIN = 5.5V
V_CHGIN = 6.0V
2.798
2.796
2.794
V_CHGIN = 5.0V _{VCHGIN = 4.5V}
2.792
2.790
-50
-25
0
25
50
75
100
Temperature (°C)
Preconditioning Charge Current vs. Temperature
(V_BAT = 2.5V, R_SET = 1.24kΩ)
115
V_CHGIN = 6.0V
110
105
100
95 V_CHGIN = 5.0V
90
V_CHGIN = 5.5V
V_CHGIN = 4.5V
85
80
-50
-25
0
25
50
75
100
Temperature (°C)
Recharge Voltage Threshold vs. Temperature
(V_RCH set to 4.0V by I²C)
4.06
4.05
4.04
4.03
4.02
4.01
4.00
3.99
3.98
3.97
3.96
-50
-25
V_CHGIN = 5.5V
V_CHGIN = 6.0V
V_CHGIN = 5.0V
V_CHGIN = 4.5V
0
25
50
75
100
Temperature (°C)
Output Charge Voltage Regulation vs. Temperature
(End of Charge Voltage)
4.25
4.24
4.23
4.22 V_CHGIN = 5.5V
4.21
V_CHGIN = 6.0V
4.20
4.19
4.18
V_CHGIN = 5.0V
V_CHGIN = 4.5V
4.17
4.16
-50
-25
0
25
50
75
100
Temperature (°C)
Charge Termination Threshold Current
vs. Temperature
100
90
80
70
60
50
40
30
20
10
0
-50
V_CHGIN = 5.5V
V_CHGIN = 5.0V
-25
0
25
V_CHGIN = 6.0V
V_CHGIN = 4.5V
50
75
100
Temperature (°C)
10
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3601.2008.07.1.1