AAT3673 Datasheet, PDF (7/28 Pages) Skyworks Solutions Inc. – 1.6A Dynamic Battery Charger and Power Manager

DATA SHEET
AAT3673
1.6A Dynamic Battery Charger and Power Manager
Typical Characteristics
1100
1050
1000
950
900
850
800
750
700
4
Constant Charging Current
vs. Adapter Voltage
VBAT = 3.6V
VBAT = 3.9V
V_BAT = 4.1V
4.25 4.5 4.75 5 5.25 5.5 5.75 6 6.25 6.5
Adapter Voltage (V)
Charging Current vs. Battery Voltage
1200
1000
800
600
400
200
0
2.5 2.75
3
3.25 3.5 3.75
4
Battery Voltage (V)
1A
500mA
100mA
4.25 4.5
Preconditioning Voltage Threshold
vs. Temperature
2.94
2.93
2.92
2.91
2.90
2.89
2.88
2.87
2.86
-25 -15 -5
5 15 25 35 45 55 65 75 85
Temperature (°C)
Preconditioning Voltage Threshold
vs. Adapter Voltage
2.94
2.93
2.92
2.91
2.90
2.89
2.88
2.87
2.86
4.5 4.75 5
5.25 5.5 5.75
6
6.25 6.5
Adapter Voltage (V)
Recharge Voltage Threshold vs. Temperature
(VADP = 5V; RSET = 56.7kΩ)
4.16
4.14
4.12
4.10
4.08
-40
-15
10
35
60
85
Temperature (°C)
Adapter Charging Current
vs. Output Current
(VADP = 5V; VBAT = 3.6V; VENO = VENBAT = 0V)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
IADP
0.2
IBAT
0.0
0
0.2 0.4 0.6 0.8 1
1.2 1.4 1.6 1.8
Output Current (A)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
201881B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012
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