DATA SHEET
AAT3693
1.6A Li-Ion/Polymer Battery Charger in a 2.2x2.2TDFN Package
Typical Characteristics
Charging Current vs. Set Resistor Values
Charging Current vs. Battery Voltage
1.8
1.6
1.4
1.2
1
10000
Constant Charging Current
Pre-conditioning Current
RSET = 866Ω
RSET = 1.47kΩ
1000
100
10
R
SET = 3.16kΩ
RSET = 8.06kΩ
0.8
0.6
0.4
0.2
0
1
0.1
2.5
2.7
2.9
3.1
3.3
3.5
3.7
3.9
4.1
4.3
1
10
100
1000
RSET (kΩ)
Battery Voltage (V)
Battery Charger Constant Output
Battery Charger Constant Output Voltage
Voltage Accuracy vs. Input Voltage
vs. Temperature
(Battery Voltage = 4.2V)
4.22
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
4.21
4.2
4.19
4.18
-40
-15
10
35
60
85
4.5
5
5.5
6
6.5
7
7.5
Input Voltage (V)
Temperature (°C)
Preconditioning Charge Current vs. Temperature
Preconditioning Voltage Threshold vs. Temperature
(RSET = 866Ω)
165
163
161
159
157
155
2.7
2.65
2.6
2.55
2.5
2.45
2.4
-40
-15
10
35
60
85
-40
-15
10
35
60
85
Temperature (°C)
Temperature (°C)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
6
201896B
• Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012