AAT3683_08 Datasheet, PDF (6/23 Pages) Advanced Analogic Technologies – 1A Linear Li-Ion Battery Charger

BatteryManager^TM
Typical Characteristics
Constant Charging Current
vs. Set Resistor Values
10000
1000
100
10
1
10
100
R_SET (kΩ)
End of Charge Regulation Accuracy
vs. Input Voltage
(V_{BAT_EOC} = 4.2V)
0.20
0.15
0.10
0.05
0.00
-0.05
-0.10
-0.15
-0.20
4.5
5.0
5.5
6.0
6.5
7.0
7.5
Input Voltage (V)
Preconditioning Charge Current
vs. Input Voltage
120
100 ^{RSET = 1.58k}
80 ^{RSET = 2k}
60 _{RSET = 3.24k}
40
20 ^{RSET = 8.06k}
0
4
4.5
5
5.5
6
6.5
7
7.5
Input Voltage (V)
PRODUCT DATASHEET
AAT3683
1A Linear Li-Ion Battery Charger
Charging Current vs. Battery Voltage
1200
1000
800
R_SET = 1.58k
R_SET = 2k
600
R_SET = 3.24k
400
R_SET = 8.06k
200
0
2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3
V_BAT (V)
End of Charge Voltage vs. Temperature
4.220
4.210
4.200
4.190
4.180
-50
-25
0
25
50
Temperature (°C)
75
100
Preconditioning Voltage Threshold
vs. Temperature
2.7
2.65
2.6
2.55
2.5
2.45
2.4
-40
-15
10
35
60
85
Temperature (°C)
6
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3683.2007.11.1.2