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LTC2941IDCB-1#TRPBF

Description
IC fuel/gas gauge LI-ion 1A 6dfn
CategoryPower/power management    The power supply circuit   
File Size199KB,16 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric Compare View All

LTC2941IDCB-1#TRPBF Overview

IC fuel/gas gauge LI-ion 1A 6dfn

LTC2941IDCB-1#TRPBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeDFN
package instructionHVSON, SOLCC6,.12,20
Contacts6
Manufacturer packaging codeDCB
Reach Compliance Codecompliant
ECCN codeEAR99
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-N6
JESD-609 codee3
length3 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals6
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC6,.12,20
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply3/5 V
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply current (Isup)0.12 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)3.6 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width2 mm
Base Number Matches1
LTC2941-1
1A I
2
C Battery Gas Gauge
with Internal Sense Resistor
FeaTures
n
n
n
n
n
n
n
n
n
n
DescripTion
The LTC
®
2941-1 measures battery charge state in battery-
powered handheld PC and portable product applications.
Its operating range is perfectly suited for single cell Li-Ion
batteries. A precision coulomb counter integrates current
through an internal sense resistor between the battery’s
positive terminal and the load or charger. The measured
charge is stored in internal registers. An SMBus/I
2
C in-
terface accesses and configures the device.
The LTC2941-1 features programmable high and low
thresholds for accumulated charge. If a threshold is ex-
ceeded, the device communicates an alert using either the
SMBus alert protocol or by setting a flag in the internal
status register.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and Hot
Swap, ThinSOT and Bat-Track are trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
Indicates Accumulated Battery Charge and
Discharge
SMBus/I
2
C Interface
Integrated 50mΩ High Side Sense Resistor
±1A Sense Current Range
High Accuracy Analog Integration
1% Charge Accuracy
Configurable Alert Output/Charge Complete Input
2.7V to 5.5V Operating Range
Quiescent Current Less than 100µA
Small 6-Pin 2mm
×
3mm DFN package
applicaTions
n
n
n
n
n
Low Power Handheld Products
Cellular Phones
MP3 Player
Cameras
GPS
Typical applicaTion
Total Charge Error vs Sense Current
CHARGER
SENSE
+
LTC2941-1
I
2
C/SMBus
TO HOST
AL/CC
SDA
SCL
GND
SENSE
LOAD
0.1µF
CHARGE ERROR (%)
1.00
0.75
0.50
0.25
0
V
SENSE+
= 3.6V
+
1-CELL
Li-Ion
29411 TA01a
–0.25
–0.50
–0.75
–1.00
1
10
100
|I
SENSE
| (mA)
1000
29411 TA01b
29411f


LTC2941IDCB-1#TRPBF Related Products

LTC2941IDCB-1#TRPBF LTC2941CDCB-1#TRPBF
Description IC fuel/gas gauge LI-ion 1A 6dfn IC fuel/gas gauge LI-ion 1A 6dfn
Brand Name Linear Technology Linear Technology
Is it Rohs certified? conform to conform to
Maker Linear ( ADI ) Linear ( ADI )
Parts packaging code DFN DFN
package instruction HVSON, SOLCC6,.12,20 HVSON, SOLCC6,.12,20
Contacts 6 6
Manufacturer packaging code DCB DCB
Reach Compliance Code compliant compliant
ECCN code EAR99 EAR99
Adjustable threshold NO NO
Analog Integrated Circuits - Other Types POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code R-PDSO-N6 R-PDSO-N6
JESD-609 code e3 e3
length 3 mm 3 mm
Humidity sensitivity level 1 1
Number of channels 1 1
Number of functions 1 1
Number of terminals 6 6
Maximum operating temperature 85 °C 70 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code HVSON HVSON
Encapsulate equivalent code SOLCC6,.12,20 SOLCC6,.12,20
Package shape RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED
power supply 3/5 V 3/5 V
Certification status Not Qualified Not Qualified
Maximum seat height 0.8 mm 0.8 mm
Maximum supply current (Isup) 0.12 mA 0.12 mA
Maximum supply voltage (Vsup) 5.5 V 5.5 V
Minimum supply voltage (Vsup) 2.7 V 2.7 V
Nominal supply voltage (Vsup) 3.6 V 3.6 V
surface mount YES YES
technology CMOS CMOS
Temperature level INDUSTRIAL COMMERCIAL
Terminal surface Matte Tin (Sn) Matte Tin (Sn)
Terminal form NO LEAD NO LEAD
Terminal pitch 0.5 mm 0.5 mm
Terminal location DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED
width 2 mm 2 mm
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