AAT2552_08 Datasheet, PDF (7/31 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

SystemPower^TM
PRODUCT DATASHEET
AAT2552178
Total Power Solution for Portable Applications
Typical Characteristics–Battery Charger
End of Charge Voltage Regulation
vs. Temperature
(V_IN = 5V; R_SET = 8.06kΩ)
4.215
4.210
4.205
4.200
4.195
4.190
4.185
-40
-15
10
35
60
85
Temperature (°C)
End of Charge Battery Voltage
vs. Input Voltage
4.206
4.204
4.202
R_SET = 8.06kΩ
4.200
4.198
R_SET = 31.6kΩ
4.196
4.194
4.5
5
5.5
6
6.5
V_IN (V)
Recharging Threshold Voltage vs. Temperature
(R_SET = 8.06kΩ)
4.16
4.14
4.12
4.10
4.08
4.06
4.04
-40
-15
10
35
60
85
Temperature (°C)
Constant Charging Current vs. Input Voltage
(V_IN = 5.62V)
310
305
V_IN = 3.3V
300
V_IN = 4V
295
V_IN = 3.6V
290
285
4
4.5
5
5.5
6
6.5
V_IN (V)
Preconditioning Charge Current vs. Temperature
(R_SET = 8.06kΩ)
20.8
20.4
20.0
19.6
19.2
-40
-15
10
35
60
85
Temperature (°C)
Preconditioning Voltage Threshold vs. Temperature
(R_SET = 8.06kΩ)
3.03
3.02
3.01
3.00
2.99
2.98
2.97
-40
-15
10
35
60
85
Temperature (°C)
2552.2008.02.1.2
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