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