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參數(shù)資料
| 型號(hào)： | LTC2941IDCB-1#TRMPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | 2 X 3 MM, LEAD FREE, PLASTIC, MO-229TBD, DFN-6 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 206K |
| 代理商： | LTC2941IDCB-1#TRMPBF |
LTC2941-1
29411f
Typical applicaTion
DescripTion
1A I2C Battery Gas Gauge
with Internal Sense Resistor
The LTC2941-1 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/I2C 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.
FeaTures
applicaTions
n
Indicates Accumulated Battery Charge and
Discharge
n
SMBus/I2C Interface
n
Integrated 50mΩ High Side Sense Resistor
n
±1A Sense Current Range
n
High Accuracy Analog Integration
n
1% Charge Accuracy
n
Configurable Alert Output/Charge Complete Input
n
2.7V to 5.5V Operating Range
n
Quiescent Current Less than 100A
n
Small 6-Pin 2mm
× 3mm DFN package
n
Low Power Handheld Products
n
Cellular Phones
n
MP3 Player
n
Cameras
n
GPS
Total Charge Error vs Sense Current
+
SENSE+
I2C/SMBus
TO HOST
SENSE–
CHARGER
LTC2941-1
AL/CC
SDA
LOAD
0.1F
29411 TA01a
1-CELL
Li-Ion
SCL
GND
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.
|ISENSE| (mA)
1
–0.50
CHARGE
ERROR
(%)
0
–0.25
–0.75
0.25
0.50
10
100
1000
29411 TA01b
–1.00
VSENSE+ = 3.6V
1.00
0.75
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC2942CDCB#PBF | 制造商:Linear Technology 功能描述:IC, BATTERY GAS GAUGE, LI-ION, DFN-6; Battery Management Function:Fuel Gauge; Battery Type:Li-Ion; Supply Voltage Min:2.7V; Supply Voltage Max:5.5V; Battery IC Case Style:DFN; No. of Pins:6; IC Interface Type:I2C ;RoHS Compliant: Yes |
| LTC2942CDCB#TRMPBF | 功能描述:IC FUEL/GAS GAUGE LI-ION 6DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 其它有關(guān)文件:STC3100 View All Specifications 特色產(chǎn)品:STC3100 - Battery Monitor IC 標(biāo)準(zhǔn)包裝:4,000 系列:- 功能:燃料，電量檢測(cè)計(jì)/監(jiān)控器 電池化學(xué):鋰離子（Li-Ion） 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-MiniSO 包裝:帶卷 (TR) 其它名稱:497-10526-2 |
| LTC2942CDCB#TRPBF | 功能描述:IC FUEL/GAS GAUGE LI-ION 6DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標(biāo)準(zhǔn)包裝:61 系列:- 功能:電源管理 電池化學(xué):鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:4.35 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:22-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:22-DFN（6x3）裸露焊盤 包裝:管件 |
| LTC2942CDCB-1#PBF | 制造商:Linear Technology 功能描述:IC BATTERY FUEL GAUGE LI-ION 5.5V DFN-6 制造商:Linear Technology 功能描述:IC, BATTERY FUEL GAUGE LI-ION 5.5V DFN-6 制造商:Linear Technology 功能描述:IC, BATTERY FUEL GAUGE LI-ION 5.5V DFN-6; Battery Management Function:Fuel Gauge, Charge Controller; Battery Type:Li-Ion; Supply Voltage Min:2.7V; Supply Voltage Max:5.5V; Battery IC Case Style:DFN; No. of Pins:6 ;RoHS Compliant: Yes |
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