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BQ29311PWG4

更新时间： 2024-09-14 20:04:51
品牌 Logo 应用领域
德州仪器 - TI 光电二极管
页数 文件大小 规格书
24页 1092K
描述
3-, 4-Cell Lithium-Ion Protection IC for Use With BQ2083/5 24-TSSOP -25 to 85

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中文翻译

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BQ29311PWG4 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：TSSOP包装说明：TSSOP, TSSOP24,.25
针数：24Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.68可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-G24
JESD-609代码：e4长度：7.8 mm
湿度敏感等级：1信道数量：5
功能数量：1端子数量：24
最高工作温度：85 °C最低工作温度：-25 °C
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP24,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：14 V认证状态：Not Qualified
座面最大高度：1.2 mm子类别：Power Management Circuits
最大供电电流 (Isup)：0.22 mA最大供电电压 (Vsup)：25 V
标称供电电压 (Vsup)：14 V表面贴装：YES
温度等级：OTHER端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4.4 mmBase Number Matches：1

BQ29311PWG4 数据手册

 浏览型号BQ29311PWG4的Datasheet PDF文件第2页浏览型号BQ29311PWG4的Datasheet PDF文件第3页浏览型号BQ29311PWG4的Datasheet PDF文件第4页浏览型号BQ29311PWG4的Datasheet PDF文件第5页浏览型号BQ29311PWG4的Datasheet PDF文件第6页浏览型号BQ29311PWG4的Datasheet PDF文件第7页 
Not Recommended for New Designs  
www.ti.com  
ꢀꢁ ꢂꢃ ꢄꢅꢅ  
SLUS487D − DECEMBER 2001 − REVISED NOVEMBER 2003  
ꢆ
ꢇꢈ ꢉꢉ ꢊ ꢋ ꢌ ꢍ ꢎꢏ ꢐꢈ ꢊ ꢑꢉ ꢒꢒ ꢒꢓ ꢆꢇ ꢓꢐ ꢔ ꢊꢓ ꢏ ꢌ ꢏ ꢈ  
ꢒ
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FEATURES  
DESCRIPTION  
D
3- or 4-Cell Series Protection Control  
The bq29311 is a three- or four-cell lithium-ion battery  
pack protection analog front end (AFE) IC that  
incorporates a 3.3-V 25-mA low-dropout regulator  
D
Autonomous Overcurrent and Short Circuit  
Protection  
2
(LDO) and an I C compatible interface to extract battery  
D
Provides Individual Cell Voltages to Battery  
Management Host  
parameters such as cell voltages and control output  
status. Other parameters, such as overcurrent  
protection threshold and delay, can also be  
programmed into the bq29311 to increase the flexibility  
of the battery management system.  
D
Integrated Cell Balancing Control  
2
D
I C Compatible User Interface Allows Access  
to Battery Information  
D
D
D
D
D
D
User Control to Initiate Protection  
Integrated 3.3-V 25-mA LDO  
The bq29311 provides safety protection in overcurrent,  
short circuit, overvoltage, and undervoltage conditions  
via control from the battery management host. In  
overcurrent and short-circuit conditions the bq29311  
can directly activate the FET drive as a secondary  
protection level. The communications interface allows  
the host to control and observe the current status of the  
protection, to set overcurrent and overload levels, to set  
the overcurrent and overload blanking delay time,  
short-circuit threshold levels, and short-circuit blanking  
delay time, and to program for the VREG shutdown  
voltage and brownout-detection thresholds.  
Programmable Shutdown and Brownout  
Control  
Provides Drive for Three External FETs  
Low Supply Current of 140 µA Typical  
Programmable Threshold and Delay for  
Short-Circuit Current Protection  
D
Provides Drive for Three External FETs  
D
Can Directly Interface With bq2083/5 for  
Complete Battery Management Solution  
Each cell is balanced by a discharge path, which is  
enabled by the internal control registers accessible  
2
through the I C compatible interface. The maximum  
APPLICATIONS  
current is set by an external series resistor with an  
absolute maximum value of 10 mA discharge current  
per cell.  
D
Notebook Computer Battery Packs  
Test Equipment  
D
PIN ASSIGNMENTS  
ORDERING INFORMATION  
PW PACKAGE  
(TOP VIEW)  
PACKAGED TSSOP  
T
A
(PW)  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
VCC  
VBAT  
VC1  
VC2  
VC3  
VC4  
VC5  
SR1  
SR2  
VPACK  
DSG  
PCHG  
CHG  
LEDOUT  
VREG  
TOUT  
XALERT  
CLKIN  
SDATA  
SCLK  
bq29311PW  
(1)  
bq29311PWR  
−25°C to 85°C  
(1)  
2
3
R suffix indicates tape and reel.  
4
5
6
7
8
9
10  
11  
12  
CNTL  
GND  
VCELL  
GND  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments  
semiconductor products and disclaimers thereto appears at the end of this data sheet.  
ꢕꢈ ꢏ ꢍꢐ ꢑ ꢆꢓ ꢏꢌ ꢍ ꢋꢆꢋ ꢘꢙ ꢚꢛ ꢜꢝ ꢞꢟꢘ ꢛꢙ ꢘꢠ ꢡꢢ ꢜ ꢜ ꢣꢙꢟ ꢞꢠ ꢛꢚ ꢤꢢꢀ ꢥꢘꢡ ꢞꢟꢘ ꢛꢙ ꢦꢞ ꢟꢣꢧ ꢕꢜ ꢛꢦꢢ ꢡꢟꢠ  
ꢡ ꢛꢙ ꢚꢛ ꢜꢝ ꢟꢛ ꢠ ꢤꢣ ꢡ ꢘ ꢚꢘ ꢡ ꢞ ꢟꢘ ꢛꢙꢠ ꢤꢣ ꢜ ꢟꢨꢣ ꢟꢣ ꢜ ꢝꢠ ꢛꢚ ꢆꢣꢩ ꢞꢠ ꢓꢙꢠ ꢟꢜ ꢢꢝ ꢣꢙꢟ ꢠ ꢠꢟ ꢞꢙꢦ ꢞꢜ ꢦ ꢪ ꢞꢜ ꢜ ꢞ ꢙꢟꢫꢧ  
ꢕꢜ ꢛ ꢦꢢꢡ ꢟ ꢘꢛ ꢙ ꢤꢜ ꢛ ꢡ ꢣ ꢠ ꢠ ꢘꢙ ꢬ ꢦꢛ ꢣ ꢠ ꢙꢛꢟ ꢙꢣ ꢡꢣ ꢠꢠ ꢞꢜ ꢘꢥ ꢫ ꢘꢙꢡ ꢥꢢꢦ ꢣ ꢟꢣ ꢠꢟꢘ ꢙꢬ ꢛꢚ ꢞꢥ ꢥ ꢤꢞ ꢜ ꢞꢝ ꢣꢟꢣ ꢜ ꢠꢧ  
Copyright 2001 − 2003, Texas Instruments Incorporated  
1234567...24

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