AAT2552_08 Datasheet, PDF (6/31 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
Constant Charging Current vs. Set Resistors
(V_IN = 5.0V)
10000
1000
100
Operating Supply Current vs. R_SET
(V_IN = 5.0V)
1000
Constant Current Mode
100
Preconditioning Mode
10
1
10
100
R_SET (kΩ)
1000
10
1
10
100
R_SET (kΩ)
Operating Current vs. Temperature
(V_IN = 5.0V; R_SET = 8.06kΩ)
540
520
500
480
460
440
-50
-25
0
25
50
75
100
Temperature (°C)
Sleep Mode Current vs. Input Voltage
(R_SET = 8.06kΩ)
800
700
600
85°C ^25°C
500
400
300
200
100
-40°C
0
4.0
4.5
5.0
5.5
6.0
6.5
Input Voltage (V)
Battery Charging Current vs. Battery Voltage
600
R_SET = 3.24K
500
400
R_SET = 5.62K
300
200
R_SET = 8.06K
R_SET = 16.2K
R_SET = 31.6K
100
0
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3
V_BAT (V)
Constant Charging Current vs. Temperature
(R_SET = 8.06kΩ)
215
210
205
200
195
190
185
-40
-15
10
35
60
85
Temperature (°C)
6
www.analogictech.com
2552.2008.02.1.2