LX2203
TM
®
Li-Ion Battery Charger
PRODUCTION DATA SHEET
TYPICAL APPLICATIONS
AC/DC Adapter
2.7k
150k
VIN
BAT
VIN
BAT
0.01uF
STAT LX2203 CMP
+
CTP
EN
GND
CCP
90.9k
ON/OFF
Figure 3 –Basic charger from Wall Adapter with 1A constant current and 50mA termination current
Input Power
2.7k
150k
VIN
BAT
VIN
BAT
STAT LX2203 CMP
CTP
EN
GND
CCP
0.01uF
165k
+
243k
1.21M
ON/OFF
CP1
CP2
BSS138DW-7
IBAT CP1 CP2
100mA L
L
500mA L
H
1.0A
H
H
Figure 4 – Wall adapter and USB Charger (1A, 500mA, 100mA, selectable)
Copyright © 2004
Rev. 1.0a, 2005-08-10
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 7