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PDF LX2207 Data sheet ( Hoja de datos )
| Número de pieza | LX2207 | |
| Descripción | Three Level Lithium Ion Battery Charger | |
| Fabricantes | Microsemi Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LX2207 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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LX2207
® Three Level Lithium Ion Bawttwewr.yDaCtahShaeregt4eUr.com
TM
PRODUCTION DATA SHEET
DESCRIPTION
The LX2207 can use a wall adapter charge in progress, battery fully charged
or USB power source to charge a and external power on. The STAT pin is
single cell Lithium Ion or Lithium capable of sourcing or sinking 10mA.
Polymer battery. There are three logic The DCOK output is an open drain
selectable and programmable charge output and can sink 20mA.
current levels: the high charge The LX2207 enters a low quiescent
programming level is typically set for current sleep mode when power is
charging from the adapter, the low removed or when it is logically
level charge programming level is shutdown to minimize battery drain.
typically set to 500mA for USB full There are several protection features
USB charging and 100mA (20%) for which include: under voltage lock out,
reduced level USB charging.
reverse current blocking on the IN pin,
In addition to setting the high-level a thermal loop to reduce charge current
charge current, the HCP programming to maintain a low die temperature, an
resistor also sets the termination unsafe battery temperature charge
current at 10% of the constant current inhibitor, and conditioning mode is
level and the conditioning current at provided for deeply discharged
5% of the constant current level. batteries.
Power status indicators (STAT and
DCOK) can be configured to show
KEY FEATURES
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
APPLICATIONS
MP3 player
PDA
PMC
Digital Camera
Charge Cradle
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
PRODUCT HIGHLIGHT
TA (°C)
-40 to 85
PACKAGE ORDER INFO
Plastic MLPD
LD 12-Pin
RoHS Compliant / Pb-free
LX2207ILD
Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX2207ILD-TR)
Copyright © 2005
Rev. 1.0, 2007-01-03
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1
1 page  
LX2207
® Three Level Lithium Ion Bawttwewr.yDaCtahShaeregt4eUr.com
TM
PRODUCTION DATA SHEET
CONTROL LOGIC DIAGRAM
START
RETURN TO START IF
VIN > VBAT, UVLO, SD, CHANGE STATE.
SD YES
NO
VIN > VBAT NO
YES
UVLO
NO
YES
VOLTAGE
MONITORING
MODE (STATE).
SLEEP
VBAT<97% NO
YES
VBAT>60%
YES
NO CONDITION
CHARGE
MODE
CONSTANT CURRENT
CHARGE MODE
IMAX DETERMINED BY THE
STATE OF H/L, RHCP, RLCP
and 20%.
TEMP < 140
YES
NO
REDUCE
CHARGE
CURRENT
ICC < IMAX
NO
YES
REDUCE
CHARGE
CURRENT
NO VBAT> VCV
YES
CONSTANT VOLTAGE
CHARGE MODE
TEMP < 140
YES
NO
ICC< IMAX
NO
YES
REDUCE
CHARGE
CURRENT
REDUCE
CHARGE
CURRENT
NO IBAT<ITAPER
YES
ITAPER DETERMINED BY
RHCP.
RETURN TO THE TOP
OF THE CHART.
Copyright © 2005
Rev. 1.0, 2007-01-03
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 5
5 Page 
TM
CONSTANT VOLTAGE
LX2207
® Three Level Lithium Ion Bawttwewr.yDaCtahShaeregt4eUr.com
PRODUCTION DATA SHEET
CONSTANT CURRENT (USB LOW)
20% CHARGE RATIO
ADAPTER CHARGE CURRENT
CONDITIONING CURRENT
TERMINATION CURRENT
Copyright © 2005
Rev. 1.0, 2007-01-03
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet LX2207.PDF ] | |
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