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PDF LX2206 Data sheet ( Hoja de datos )
| Número de pieza | LX2206 | |
| Descripción | Dual Level Lithium Ion Battery Charger | |
| Fabricantes | Microsemi Corporation | |
| Logotipo |  |
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LX2206
www.DataSheet4U.com
TM ® Dual Level Lithium Ion Battery Charger
PRODUCTION DATA SHEET
DESCRIPTION
The LX2206 can be used with a The LX2206 enters a low quiescent
wall adapter or USB power source to current sleep mode when power is
charge a single cell Lithium Ion or removed or when it is logically
Lithium Polymer battery. There are shutdown to minimize battery drain.
two logic selectable and program- There are several protection features
mable charge current levels which can which include: under voltage lock out,
be set from anywhere between 50mA inrush current limiting, reverse current
to 1A. The termination current is 1/10 blocking on the IN pin, a thermal loop
the charge level set by the High Level to reduce charge current to maintain a
Programming Current Pin.
low die temperature, an unsafe battery
Power status indicators (STAT and temperature charge inhibitor, and
DCOK) can be configured to show conditioning mode is provided for
charge in progress, battery fully deeply discharged batteries.
charged and external power on. The
STAT pin is capable of sourcing or
sinking 10mA. The DCOK output is
an open drain output.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
KEY FEATURES
Two Independent
Programmable Charge
Currents
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 Temperature Monitor
Precision Charge Termination
Power Good Indication
APPLICATIONS
MP3 Player
PDA
PMC
Digital Camera
Charge Cradle
Adapter or USB
Shutdown
High/Low Charge Current
Control Logic
Current
Programming
PRODUCT HIGHLIGHT
IN STAT
CMP
SD LX2206 DCOK
H/L
TMP
HCP
BAT
LCP GND
Battery
Status
Charging
Full
Power On
DCOK
Battery
Temperature
Lockout
Sensing
PACKAGE ORDER INFO
TA (°C)
-40 to 85
LD Plastic MLPD 10-Pin
RoHS Compliant / Pb-free
LX2206ILD
Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. 2206ILD-TR)
Copyright © 2005
Rev. 1.2, 2006-12-22
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1
1 page  
LX2206
www.DataSheet4U.com
TM ® Dual Level Lithium Ion Battery Charger
PRODUCTION DATA SHEET
START
CONTROL LOGIC DIAGRAM
RETURN TO START IF
VIN > VBAT, UVLO, SD, CHANGE STATE.
SD YES
NO
VIN > VBAT
NO
YES
UVLO
NO
YES
VOLTAGE
M O N IT O R IN G
MODE (STATE).
SLEEP
VBAT<97%
YES
NO
VBAT>60%
YES
NO CONDITION
CHARGE
MODE
CONSTANT CURRENT
CHARGE MODE
IMAX DETERMINED BY THE
STATE OF H/L, RHCP, RLCP.
TEMP < 130
YES
NO
ICC < IMAX
YES
NO
REDUCE
CHARGE
CURRENT
REDUCE
CHARGE
CURRENT
NO VBAT> VCV
YES
CONSTANT VOLTAGE
CHARGE MODE
TEMP < 130
YES
NO
ICC< IMAX
YES
NO
REDUCE
CHARGE
CURRENT
REDUCE
CHARGE
CURRENT
NO IBAT<ITAPER
YES
ITAPER DETERMINED BY
RHCP.
RETURN TO THE TOP
OF THE CHART.
Copyright © 2005
Rev. 1.2, 2006-12-22
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 5
5 Page 
TM ®
4.25
4.20
4.15
4.10
4.05
4.00
3.95
3.90
0.0
CHARGING PROFILE
Battery Charging USB High Level
Vbat
Ibat
60.0
Time in minutes
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
120.0
FLOAT VOLTAGE
LX2206
www.DataSheet4U.com
Dual Level Lithium Ion Battery Charger
PRODUCTION DATA SHEET
CONDITIONING CURRENT
Conditioning Current vs IHCP
60
50
40
30
20
10
0
0.00
50.00
100.00
IHCP (in uA)
150.00
TERMINATION CURRENT
Copyright © 2005
Rev. 1.2, 2006-12-22
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 LX2206.PDF ] | |
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