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參數(shù)資料
| 型號： | bq2040 |
| 廠商： | Benchmark Technology Group |
| 英文描述： | Gas Gauge IC With SMBus Interface(氣體Gauge芯片（帶SMBus 接口）) |
| 中文描述： | 氣體計IC，帶有SMBus接口（氣體計芯片（帶的SMBus接口）） |
| 文件頁數(shù)： | 31/32頁 |
| 文件大?。?/td> | 189K |
| 代理商： | BQ2040 |
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bq2040
Ordering Information
bq2040
Package Option:
SN = 16-pin narrow SOIC
Device:
bq2040 Gas Gauge IC With SMBus Interface
Temperature Range:
blank = Commercial (0 to 70°C)
ChangeNo.
3
3
3
3
3
Page No.
3
9
10
11
14
Description of Change
Updated recommended application schematic.
Changed overcurrent fault conditon for ChargingCurrent < 1024mA.
4Hz operation of LED clarification.
Added descriptions for bits 7 and 13 of BatteryMode.
AtRateTimeToEmpty and AtRateTimeToFull invalid data indication correction.
RunTimeToEmpty, AverageTimeToEmpty and AverageTimeToFull invalid data
indication corrections.
Changed typical Battery low % value for Li-Ion with EDV1 = 3.0V/cell.
Li-Ion taper current is stored in 2’s complement.
Changed typical
T step and Full-charge percentage for Li-Ion.
Voltage gain is (R4 + R5)/R4.
Changed typical EDV1 and EDVF values for Li-Ion.
Added V
SB
should not exceed 2.4V
The self discharge rate
approximately
doubles or halves
Changed cycle count increase from 30 to 32 for condition request.
Changed AtRateOK() indication from EDV1 to EDVF
Changed self-discharge programming from 52.75/x to 52.73/x.
Changed recommended EDVF charging current from 0mA to 100mA
3
15, 16
3
3
3
3
3
4
4
4
4
4
4
23
24
24
25
25
6
8
11
14
25
25
Notes:
Changes 1 and 2 refer to the 1998 Data Book
Change 3 = June1998 D changes from Jan. 1998 C.
Change 4 = June 1999 E changes from June 1998 D.
Data Sheet Revision History
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BQ2040EVM-001 | 功能描述:電源管理IC開發(fā)工具 Eval Kit for NiMH 10.8V RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| BQ2040SN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Gas Gauge IC With SMBus Interface |
| BQ2040SN | 制造商:Texas Instruments 功能描述:BATTERY CHARGE MONITOR SMD 2040 |
| BQ2040SN-C408 | 功能描述:電池管理 Multi-Chemistry SBS 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 |
| BQ2040SN-C408 | 制造商:Texas Instruments 功能描述:Battery Management IC |
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