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| 型号： | DC1496A-A |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL LTC2941 |
| 软件下载： | QuikEval System |
| 设计资源： | DC1496A Design Files DC1496A Schematic |
| 标准包装： | 1 |
| 系列： | QuikEval™ |
| 主要目的： | 电源管理，电池监控器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | LTC2941 |
| 主要属性： | I²C、SMBus 接口 |
| 次要属性： | LED 状态指示器 |
| 已供物品： | 板，线缆 |
| 相关产品： | DC590B-ND - BOARD DEMO USB SERIAL CONTROLLER LTC2941IDCB-1#TRMPBFDKR-ND - IC FUEL/GAS GAUGE LI-ION 1A 6DFN LTC2941IDCB-1#TRMPBFCT-ND - IC FUEL/GAS GAUGE LI-ION 1A 6DFN LTC2941IDCB-1#TRPBF-ND - IC FUEL/GAS GAUGE LI-ION 1A 6DFN LTC2941IDCB-1#TRMPBFTR-ND - IC FUEL/GAS GAUGE LI-ION 1A 6DFN LTC2941CDCB-1#TRPBF-ND - IC FUEL/GAS GAUGE LI-ION 1A 6DFN LTC2941CDCB-1#TRMPBFDKR-ND - IC FUEL/GAS GAUGE LI-ION 1A 6DFN LTC2941CDCB-1#TRMPBFCT-ND - IC FUEL/GAS GAUGE LI-ION 1A 6DFN LTC2941CDCB-1#TRMPBFTR-ND - IC FUEL/GAS GAUGE LI-ION 1A 6DFN LTC2941IDCB#TRMPBF-ND - IC FUEL/GAS GAUGE LI-ION 6DFN 更多... |
LTC2941
Battery Gas Gauge
with I 2 C Interface
Indicates Accumulated Battery Charge and
High Accuracy Analog Integration
High Side Sense
1% Charge Accuracy
±50mV Sense Voltage Range
SMBus/I 2 C Interface
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
Low Power Handheld Products
Cellular Phones
MP3 Player
Cameras
GPS
FEATURES
n
Discharge
n
n
n
n
n
n
n
n
n
APPLICATIONS
n
n
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DESCRIPTION
The LTC ? 2941 measures battery charge state in battery-
supplied 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 a 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 interface
accesses and configures the device.
The LTC2941 features programmable high and low thresh-
olds for accumulated charge. If a threshold is exceeded, the
device communicates an alert using either the SMBus alert
protocol or by setting a flag in the internal status register.
The LTC2941 requires only a single low value external
sense resistor to set the current range.
L , LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
ThinSOT and Bat-Track are trademarks of Linear Technology Corporation. All other trademarks
are the property of their respective owners.
TYPICAL APPLICATION
Total Charge Error vs
Differential Sense Voltage
CHARGER
I 2 C/SMBus
TO HOST
SENSE +
LTC2941
AL /CC
SDA SENSE –
SCL
GND
+
R SENSE
100m
1-CELL
Li-Ion
LOAD
0.1μF
2.0
1.5
1.0
0.5
0
V SENSE+ = 3.6V
2941 TA01a
–0.5
–1.0
–1.5
–2.0
0.1
1
10
100
V SENSE (mV)
2941 TA01b
2941fa
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DC1496A-B | 功能描述:BOARD EVAL LTC2942 RoHS:否 类别:编程器，开发系统 >> 评估演示板和套件 系列:QuikEval™ 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- 主要目的:电源管理，电池充电器 嵌入式:否 已用 IC / 零件:MAX8903A 主要属性:1 芯锂离子电池 次要属性:状态 LED 已供物品:板 |
| DC1496B-A | 制造商:Linear Technology 功能描述:BOARD EVAL LTC2941 制造商:Linear Technology 功能描述:LTC2941 BATTERY GAS GAUGE EV 制造商:Linear Technology 功能描述:DEMO BOARD, LTC2941IDCB BATTERY GAS GAUGE; Silicon Manufacturer:Linear Technology; Silicon Core Number:LTC2941; Kit Application Type:Power Management; Application Sub Type:Fuel Gauge; Kit Contents:Demo Board LTC2941 |
| DC1496B-B | 功能描述:BOARD EVAL LTC2942 RoHS:否 类别:编程器，开发系统 >> 评估演示板和套件 系列:QuikEval™ 标准包装:1 系列:- 主要目的:数字电位器 嵌入式:- 已用 IC / 零件:AD5258 主要属性:- 次要属性:- 已供物品:板 相关产品:AD5258BRMZ1-ND - IC POT DGTL I2C1K 64P 10MSOPAD5258BRMZ10-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ100-ND - IC POT DGTL I2C 100K 64P 10MSOPAD5258BRMZ50-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ1-R7-ND - IC POT DGTL I2C 1K 64P 10MSOPAD5258BRMZ10-R7-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ50-R7-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ100-R7-ND - IC POT DGTL I2C 100K 64P 10MSOP |
| DC1496B-B | 制造商:Linear Technology 功能描述:EVAL BOARD, LTC2942 BATTERY FUEL GAUGE |
| DC1496B-C | 制造商:Linear Technology 功能描述:BOARD EVAL FOR LTC2941-1 制造商:Linear Technology 功能描述:LTC2941-1 BATTERY GAS GAUGE 制造商:Linear Technology 功能描述:DEMO BOARD, LTC2941IDCB-1 BATTERY GAS GAUGE; Silicon Manufacturer:Linear Technology; Silicon Core Number:LTC2941; Kit Application Type:Power Management; Application Sub Type:Fuel Gauge; Kit Contents:Demo Board LTC2941 |
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