AAT3672 Datasheet, PDF (7/27 Pages) Skyworks Solutions Inc. – 1.6A Dynamic Battery Charger and Power Manager

DATA SHEET
AAT3672
1.6A Dynamic Battery Charger and Power Manager
Typical Characteristics
1.1
1.05
1
0.95
0.9
0.85
0.8
0.75
0.7
4
Constant Charging Current
vs. Adapter Voltage
VBAT = 3.6V
VBAT = 3.9V
VBAT = 4.1V
4.5
5
5.5
6
6.5
VADP (V)
Recharge Voltage Threshold vs. Temperature
(VADP = 5V; RSET = 56.7kΩ)
4.16
4.14
4.12
4.1
4.08
4.06
4.04
-25 -15 -5
5 15 25 35 45 55 65 75 85
Temperature (°C)
Constant Charge Current vs. Temperature
1100
1000
900
800
700
600
500
400
300
200
100
0
-25 -15 -5
1A
425mA
85mA
5 15 25 35 45 55 65 75 85
Temperature (°C)
Constant Charge Current vs. Battery Voltage
1200
1000
800
600
400
200
0
2.5
1A
425mA
85mA
2.9
3.3
3.7
4.1
4.5
Battery Voltage (V)
Preconditioning Voltage Threshold
vs. Adapter Voltage
3
2.98
2.96
2.94
2.92
2.9
2.88
2.86
2.84
2.82
2.8
5
5.25
5.5
5.75
6
6.25
6.5
VADP (V)
Preconditioning Voltage Threshold
vs. Temperature
3
2.98
2.96
2.94
2.92
2.9
2.88
2.86
2.84
2.82
2.8
-25 -15 -5
5 15 25 35 45 55 65 75 85
Temperature (°C)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
201880B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012
7