參數(shù)資料
型號(hào): LX2202
廠商: Microsemi Corporation
英文描述: 2A Li-Ion Linear Charger and Power Control
中文描述: 第2A鋰離子電池線性充電器和電源控制
文件頁(yè)數(shù): 6/12頁(yè)
文件大?。?/td> 176K
代理商: LX2202
LX2202
P
RODUCTION
D
ATA
S
HEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 6
Copyright
2004
Rev. 1.0, 2005-03-18
W
M
.
C
2A Li-Ion Linear Charger and Power Control
TM
A P P L I C A T I O N S C H E M A T I C S
AC/DC Adapter
USB POWER
USB Lo / Hi
To System
Power Bus
105k
2.55k
72.3k
2.49k
Charge
Indicator
N
V
V
V
P
VDD
USB
VDD
BAT
NU
C
C
C
G
BAT
CMP
VDD
VDD
S
BAT
B220
1N4148
1N5817
IRLMS6802
10μF
0.1μF
10μF
LX2202
State Select Truth Table
VDD > V
Switch open – charging
disabled.
Charging – USB high level if
using USB
.
VID0 VID1
V
> VDD
0
0
Switch open – discharge
disabled.
Switch open – discharge
disabled.
Battery Discharging. MOSFET
fully enhanced with current
flow V
BAT
to VDD.
Battery Discharging. MOSFET
fully enhanced with current
flow V
BAT
to VDD.
0
1
1
0
Charging – USB low level if
using USB
.
1
1
Charging – USB high level if
using USB
.
Figure 3 –
AC Adapter and USB Supply (Charge and Discharge Modes)
(1N4148 and IRLMS6802 are optional to lower USB voltage drop.)
A
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C
A
T
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