SE9017 Datasheet, PDF (9/11 Pages) Seaward Electronics Inc. – Standalone Linear Lithium Battery Charger

Applications
No-load indications
Put a 1uF capacitor between BAT and GND . This
makes up of a No-load indications circuit as
shown below. If there is not a battery connected
to BAT and GND of SE9017 then we can see that
LED-R will be flashing at 2.5 Hz/S. If there is a
battery connected to BAT and GND Pin of
SE9017. Than SE9017 enters normal chargeing
cycle.
4.5V to 6.5V
330 ohm
104
LED-G LED-R
Vcc
CHRG
BAT
SE9017
105
CHRGT PROG
GND
10K
Revision 4/16/2009
Preliminary and all contents are subject to change without prior notice
© Seaward Electronics Inc., 2007. • www.seawardinc.com.cn • Page 9