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參數(shù)資料
| 型號： | DS2740U |
| 元件分類： | 通用總線功能 |
| 英文描述： | High-Precision Coulomb Counter |
| 中文描述： | 高精度庫侖計(jì) |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 248K |
| 代理商： | DS2740U |
1 of 15
033103
FEATURES
15-Bit Bidirectional Current Measurement
(DS2740)
1.56 V LSB and ±51.2mV Dynamic
Range
78 A LSB and ±2.56A Dynamic
Range with External 20m Sense
Resistor (R
SNS
)
156 A LSB and ±5.12A Dynamic
Range with External 10m Sense
Resistor (R
SNS
)
13-Bit Bidirectional Current Measurement
(DS2740B)
6.25 V LSB and ±51.2mV Dynamic
Range
312 A LSB and ±2.56A Dynamic
Range with External 20m Sense
Resistor (R
SNS
)
625 A LSB and ±5.12A Dynamic
Range with External 10m Sense
Resistor (R
SNS
)
Analog Input Filter (IS1, IS2) Extends
Dynamic Range for Pulse-Load
Applications
Current Accumulation Register
Resolution
6.25 Vhr (Both DS2740 and
DS2740B)
0.3125mAhr with External 20m
R
SNS
0.6250mAhr with External 10m
R
SNS
Dallas 1-Wire
Interface
Unique 64-Bit Device Address
Standard and Overdrive Timings
(OVD)
Low Power Consumption:
Active Current: 65 A max
Sleep Current: 1 A max
PIN CONFIGURATION
PIN DESCRIPTION
OVD- 1-Wire Bus Speed Select
PIO - Programmable I/O Pin
SNS - Sense Resistor Input
IS2 - Current-Sense Input
IS1 - Current-Sense Input
V
SS
- Device Ground, Current-Sense Resistor
Return
DQ - Data Input/Output
V
DD
- Power-Supply Input (2.7V to 5.5V)
DS2740
High-Precision Coulomb Counter
www.maxim-ic.com
MAX
(DS2740U, DS2740BU)
PIO
SNS
V
DD
DQ
V
SS
IS1
IS2
OVD
6
8
7
5
3
1
2
4
See Table 1 for Ordering Information.
See Table 2 for Detailed Pin Descriptions.
1-Wire is a registered trademark of Dallas Semiconductor.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2740U/R | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:High-Precision Coulomb Counter |
| DS2740U/T | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:High-Precision Coulomb Counter |
| DS2740U/T&R | 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| DS2740U+ | 功能描述:電池管理 High-Precision Coulomb Counter RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| DS2740U+T&R | 制造商:Maxim Integrated Products 功能描述:PRECISION COULOMB COUNTER 8USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC CURRENT GAUGE(15BIT) 8UMAX |
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