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LTC4006EGN-2#TR

Description
Battery Management LTC4006 - 4A, High Efficiency, Standalone Li-Ion Battery Charger
CategoryPower/power management    The power supply circuit   
File Size237KB,20 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric Compare View All

LTC4006EGN-2#TR Overview

Battery Management LTC4006 - 4A, High Efficiency, Standalone Li-Ion Battery Charger

LTC4006EGN-2#TR Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerADI
package instructionSSOP, SSOP16,.25
Reach Compliance Codenot_compliant
ECCN codeEAR99
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesBATTERY CHARGE CONTROLLER
JESD-30 codeR-PDSO-G16
JESD-609 codee0
length4.8895 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals16
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Encapsulate equivalent codeSSOP16,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)235
Certification statusNot Qualified
Maximum seat height1.75 mm
Maximum supply current (Isup)5 mA
Maximum supply voltage (Vsup)28 V
Minimum supply voltage (Vsup)6 V
Nominal supply voltage (Vsup)20 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.635 mm
Terminal locationDUAL
Threshold voltage nominal+4.7
Maximum time at peak reflow temperature20
width3.899 mm
FEATURES
LTC4006
4A, High Efficiency,
Standalone Li-Ion
Battery Charger
DESCRIPTIO
The LTC
®
4006 is a complete constant-current/constant-
voltage charger controller for 2-, 3- or 4-cell lithium bat-
teries in a small package using few external components.
The PWM controller is a synchronous, quasi-constant fre-
quency, constant off-time architecture that will not gener-
ate audible noise even when using ceramic capacitors.
The LTC4006 is available in 8.4V, 12.6V and 16.8V versions
with
±0.8%
voltage accuracy. Charging current is program-
mable with a single sense resistor to
±4%
typical accuracy.
Charging current can be monitored as a representative
voltage at the I
MON
pin. A timer, programmed by an external
resistor, sets the total charge time or is reset to 25% of total
charge time after C/10 charging current is reached. Charg-
ing automatically resumes when the cell voltage falls below
3.9V/cell.
Fully discharged cells are automatically trickle charged at
10% of the programmed current until the cell voltage ex-
ceeds 2.5V/cell. Charging terminates if the low-battery
condition persists for more than 25% of the total charge
time.
The LTC4006 includes a thermistor sensor input that
suspends charging if an unsafe temperature condition is
detected and automatically resumes charging when the
battery temperature returns to within safe limits.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners. Protected by U.S. Patents
including 5723970.
Complete Charger Controller for 2-, 3- or 4-Cell
Lithium-Ion Batteries
High Conversion Efficiency: Up to 96%
Output Currents Exceeding 4A
±0.8%
Accurate Preset Voltages: 8.4V, 12.6V, 16.8V
Built-In Charge Termination with Automatic Restart
AC Adapter Current Limiting Maximizes Charge Rate*
Automatic Conditioning of Deeply Discharged
Batteries
Thermistor Input for Temperature Qualified Charging
Wide Input Voltage Range: 6V to 28V
0.5V Dropout Voltage; Maximum Duty Cycle: 98%
Programmable Charge Current:
±4%
Accuracy
Indicator Outputs for Charging, C/10 Current
Detection and AC Adapter Present
Charging Current Monitor Output
16-Pin Narrow SSOP Package
APPLICATIO S
Notebook Computers
Portable Instruments
Battery-Backup Systems
Standalone Li-Ion Chargers
TYPICAL APPLICATIO
DCIN
0V TO 28V
3A
V
LOGIC
4A Li-Ion Battery Charger
INPUT SWITCH
0.1µF
100k
INFET
LTC4006
CLP
CHG
DCIN
ACP/SHDN
32.4k
I
MON
NTC
CLN
TGATE
BGATE
PGND
CSP
BAT
4006 TA01
5k
15nF
0.033Ω
TO SYSTEM LOAD
20µF
10µH
CHG
ACP
CHARGING
CURRENT MONITOR
0.0047µF
THERMISTOR
10k
NTC
0.47µF
309k
TIMING
RESISTOR
(~2 HOURS)
6k
0.12µF
R
T
I
TH
GND
U
U
U
0.025Ω
BATTERY
20µF
4006fa
1

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Description Battery Management LTC4006 - 4A, High Efficiency, Standalone Li-Ion Battery Charger Battery Management LTC4006 - 4A, High Efficiency, Standalone Li-Ion Battery Charger
Is it Rohs certified? incompatible incompatible
Maker ADI ADI
package instruction SSOP, SSOP16,.25 SSOP, SSOP16,.25
Reach Compliance Code not_compliant not_compliant
ECCN code EAR99 EAR99
Adjustable threshold YES YES
Analog Integrated Circuits - Other Types BATTERY CHARGE CONTROLLER BATTERY CHARGE CONTROLLER
JESD-30 code R-PDSO-G16 R-PDSO-G16
JESD-609 code e0 e0
length 4.8895 mm 4.8895 mm
Humidity sensitivity level 1 1
Number of channels 1 1
Number of functions 1 1
Number of terminals 16 16
Maximum operating temperature 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SSOP SSOP
Encapsulate equivalent code SSOP16,.25 SSOP16,.25
Package shape RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 235 NOT SPECIFIED
Certification status Not Qualified Not Qualified
Maximum seat height 1.75 mm 1.75 mm
Maximum supply current (Isup) 5 mA 5 mA
Maximum supply voltage (Vsup) 28 V 28 V
Minimum supply voltage (Vsup) 6 V 6 V
Nominal supply voltage (Vsup) 20 V 20 V
surface mount YES YES
Temperature level INDUSTRIAL INDUSTRIAL
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form GULL WING GULL WING
Terminal pitch 0.635 mm 0.635 mm
Terminal location DUAL DUAL
Threshold voltage nominal +4.7 +4.7
Maximum time at peak reflow temperature 20 NOT SPECIFIED
width 3.899 mm 3.899 mm
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