參數(shù)資料
型號(hào)： LX2207ILD-TR
廠商： MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO12
封裝： ROHS COMPLIANT, PLASTIC, MLPD-12
文件頁(yè)數(shù)： 1/14頁(yè)
文件大?。?/td> 399K
代理商： LX2207ILD-TR
LX2207
PRODUCTION DATA SHEET
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1
Copyright
2007
Rev. 1.0a, 2007-10-08
WWW
.Microse
m
i
.CO
M
Three Level Lithium Ion Battery Charger
TM
DESCRIPTION
The LX2207 can use a wall adapter
or USB power source to charge a
single cell Lithium Ion or Lithium
Polymer battery. There are three logic
selectable and programmable charge
current
levels:
the
high
charge
programming level is typically set for
charging from the adapter, the low
level charge programming level is
typically set to 500mA for USB full
USB charging and 100mA (20%) for
reduced level USB charging.
In addition to setting the high-level
charge current, the HCP programming
resistor
also
sets
the
termination
current at 10% of the constant current
level and the conditioning current at
5% of the constant current level.
Power status indicators (STAT and
DCOK) can be configured to show
charge in progress, battery fully charged
and external power on. The STAT pin is
capable of sourcing or sinking 10mA.
The DCOK output is an open drain
output and can sink 20mA.
The LX2207 enters a low quiescent
current sleep mode when power is
removed
or
when
it
is
logically
shutdown to minimize battery drain.
There are several protection features
which include: under voltage lock out,
reverse current blocking on the IN pin,
a thermal loop to reduce charge current
to maintain a low die temperature, an
unsafe
battery
temperature
charge
inhibitor, and conditioning mode is
provided
for
deeply
discharged
batteries.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
KEY FEATUR ES
Three charge levels for
adapter, and USB Hi and Low
0.5% Float voltage tolerance
Charging up to 1A.
Charging from USB port.
USB current compliance
Full battery Indicator
CC/CV w thermal Feedback
Battery temp monitor
Precision charge termination
Power Good Indication
APPLI C ATION S
MP3 player
PDA
PMC
Digital Camera
Charge Cradle
PRODUCT H I GHLIGHT
PACKAGE ORDER INFO
LD
Plastic MLPD
12-Pin
TA (°C)
RoHS Compliant / Pb-free
-40 to 85
LX2207ILD
Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX2207ILD-TR)
LL
XX
22
00
77
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