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参数资料
| 型号： | LTC2942CDCB#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 15/18页 |
| 文件大小： | 0K |
| 描述： | IC FUEL/GAS GAUGE LI-ION 6DFN |
| 标准包装： | 2,500 |
| 功能： | 燃料，电量检测计/监控器 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-WFDFN 裸露焊盘 |
| 供应商设备封装： | 6-DFN-EP（2x3） |
| 包装： | 带卷 (TR) |
| 配用： | DC1496B-B-ND - BOARD EVAL LTC2942 |
LTC2942
APPLICATIONS INFORMATION
The master initiates the ARA procedure with a START con-
dition and the special 7-bit ARA bus address (0001100)
followed by the read bit (R) = 1. If the LTC2942 is asserting
the AL /CC pin in alert mode, it acknowledges and responds
by sending its 7-bit bus address (1100100) and a 1. While
it is sending its address, it monitors the SDA pin to see
if another device is sending an address at the same time
using standard I 2 C bus arbitration. If the LTC2942 is send-
ing a 1 and reads a 0 on the SDA pin on the rising edge of
SCL, it assumes another device with a lower address is
sending and the LTC2942 immediately aborts its transfer
and waits for the next ARA cycle to try again. If transfer
is successfully completed, the LTC2942 will stop pulling
down the AL /CC pin and will not respond to further ARA
requests until a new Alert event occurs.
PC Board Layout Suggestions
Keep all traces as short as possible to minimize noise and
inaccuracy. Use a 4-wire Kelvin sense connection for the
sense resistor, locating the LTC2942 close to the resistor
with short sense traces to the SENSE + and SENSE – pins.
Use wider traces from the resistor to the battery, load
and/or charger (see Figure 11). Put the bypass capacitor
close to SENSE + and GND.
TO
CHARGER/LOAD
1
R SENSE
6
TO BATTERY
C
2
3
LTC2942
5
4
2942 F10
Figure 11. Kelvin Connection on Sense Resistor
2942fa
15
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC2942IDCB#PBF | 制造商:Linear Technology 功能描述:BATTERY GAS GAUGE LI-ION 5.5V DFN-6 制造商:Linear Technology 功能描述:BATTERY GAS GAUGE, LI-ION, 5.5V, DFN-6 制造商:Linear Technology 功能描述:BATTERY GAS GAUGE, LI-ION, 5.5V, DFN-6, Battery Management Function:Fuel Gauge, Status Monitor, Battery Type:Li-Ion, Supply Voltage Min:2.7V, Supply Voltage Max:5.5V, Battery IC Case Style:DFN, No. of Pins:6, MSL:MSL 1 - Unlimited , RoHS Compliant: Yes 制造商:Linear Technology 功能描述:MS-System Monitor/Other, Cut Tape Battery Gas Gauge with Temperature & Voltage M |
| LTC2942IDCB#TRMPBF | 功能描述:IC FUEL/GAS GAUGE LI-ION 6DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 其它有关文件:STC3100 View All Specifications 特色产品:STC3100 - Battery Monitor IC 标准包装:4,000 系列:- 功能:燃料，电量检测计/监控器 电池化学:锂离子（Li-Ion） 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-MiniSO 包装:带卷 (TR) 其它名称:497-10526-2 |
| LTC2942IDCB#TRPBF | 功能描述:IC FUEL/GAS GAUGE LI-ION 6DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:61 系列:- 功能:电源管理 电池化学:锂离子（Li-Ion）、锂聚合物（Li-Pol） 电源电压:4.35 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:22-WFDFN 裸露焊盘 供应商设备封装:22-DFN（6x3）裸露焊盘 包装:管件 |
| LTC2942IDCB-1#PBF | 制造商:Linear Technology 功能描述: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 |
| LTC2942IDCB-1#PBF | 制造商:Linear Technology 功能描述:IC BATTERY FUEL GAUGE LI-ION 5.5V DFN-6 |
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