SE9022 Datasheet, PDF (5/7 Pages) Seaward Electronics Inc. – Standalone Linear Lithium Battery Charger

Typical Operating Characteristics
Vbat Versus Ibat
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
250 200 150 100
50
0
Ibat (mA)
Application Notes:
+
4.75V~6V
_
SE9022
1
8
2
7
3
6
4
5
DIP8
2.2K
2.2K
1nF
LED1
LED3
750
LED2
BAT-
BAT+
SE9022 Application..The Logic of LED’s is shown in the table below.
Detection
Description
Power Supply
Condition
Battery
Condition
LED1
Battery
Disconnected
Connected
ON
Detection
Connected
Disconnected
ON
Battery Unload
Disconnected
ON
Battery Charge
Connected
ON
Connected
Battery Full
ON
Battery
Shorted
Shorted
ON
LED2
OFF
OFF
OFF
OFF
ON
OFF
Revision 11/1/2010
Preliminary and all contents are subject to change without prior notice
© Seaward Electronics Inc., 2010. • www.seawardinc.com.cn • Page 5
LED3
OFF
OFF
OFF
Flash
OFF
OFF