AAT3685-1 Advanced Analog Technology, Inc., AAT3685-1 Datasheet - Page 7

• Manufacturer Part Number: AAT3685-1
• Description: Lithium-Ion/Polymer Battery Charger
• Manufacturer: Advanced Analog Technology, Inc.

BatteryManager
BatteryManager
Typical Characteristics
3685.2007.12.1.4
3685.2007.12.1.4
1100
1080
1060
1040
1020
1000
120
100
120
100
980
960
940
920
900
80
60
40
20
80
60
40
20
Fast Charge Current vs. Supply Voltage
0
0
Fast Charge Current vs. Temperature
Charging Current vs. Battery Voltage
2.5
4
-50
V
BAT
= 3.5V
-25
4.5
(SETH; SETH = 3.83kΩ Ω )
(SETL; SETL = 40.2kΩ Ω )
(SETL; SETL = 40.2kΩ Ω )
V
V
3
BAT
BAT
Temperature (°C)
0
Battery Voltage (V)
= 3.3V
Supply Voltage (V)
= 3.9V
5
TM
TM
25
3.5
5.5
50
4
75
6
100
6.5
w w w . a n a l o g i c t e c h . c o m
w w w . a n a l o g i c t e c h . c o m
4.5
Lithium-Ion/Polymer Battery Charger
Lithium-Ion/Polymer Battery Charger
1200
1000
1200
1000
1200
1000
800
600
400
200
800
600
400
200
800
600
400
200
Fast Charge Current vs. Supply Voltage
0
0
0
4.40
2.5
Fast Charge Current vs. Supply Voltage
Charging Current vs. Battery Voltage
4
V
BAT
0°C
4.25
4.50
= 3.3V
25°C
(SETH; SETH = 3.83kΩ Ω )
(SETH; SETH = 3.83kΩ Ω )
4.5
PRODUCT DATASHEET
PRODUCT DATASHEET
3
(SETH; SETH = 3.83kΩ Ω )
V
4.60
Battery Voltage (V)
BAT
Supply Voltage (V)
Supply Voltage (V)
4.75
70°C
= 3.5V
V
AAT3685
AAT3685
BAT
4.70
3.5
5
= 3.9V
5.25
4.80
5.5
4
4.90
5.75
5.00
4.5
6
7
7