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BQ29411PWR

更新时间： 2024-11-05 23:16:23
品牌 Logo 应用领域
德州仪器 - TI 电源电路电池电源管理电路光电二极管
页数 文件大小 规格书
10页 228K
描述
VOLTAGE PROTECTION FOR 2-, 3-, OR 4-CELL Li-Ion BATTERIES (2nd-LEVEL PROTECTION)

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BQ29411PWR 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：TSSOP, TSSOP8,.25
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.15Is Samacsys：N
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G8JESD-609代码：e4
长度：4.4 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：8最高工作温度：110 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP8,.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：4/25 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)：0.003 mA
最大供电电压 (Vsup)：25 V最小供电电压 (Vsup)：4 V
标称供电电压 (Vsup)：14 V表面贴装：YES
温度等级：INDUSTRIAL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：3 mmBase Number Matches：1

BQ29411PWR 数据手册

 浏览型号BQ29411PWR的Datasheet PDF文件第2页浏览型号BQ29411PWR的Datasheet PDF文件第3页浏览型号BQ29411PWR的Datasheet PDF文件第4页浏览型号BQ29411PWR的Datasheet PDF文件第5页浏览型号BQ29411PWR的Datasheet PDF文件第6页浏览型号BQ29411PWR的Datasheet PDF文件第7页 
bq29410, bq29411, bq29412  
www.ti.com  
SLUS669B–AUGUST 2005–REVISED DECEMBER 2005  
VOLTAGE PROTECTION FOR 2-, 3-, OR 4-CELL Li-Ion BATTERIES  
nd  
(2 -LEVEL PROTECTION)  
FEATURES  
FUNCTION  
•
2-, 3-, or 4-Cell Secondary Protection  
Low Power Consumption ICC < 2 µA  
[VCELL(ALL) < V(PROTECT)  
Each cell in a multiple-cell pack is compared to an  
internal reference voltage. If one cell reaches an  
overvoltage condition, the protection sequence  
begins. The bq2941x device starts charging an  
external capacitor through the CD pin. When the CD  
pin voltage reaches 1.2 V, the OUT pin changes from  
a low level to a high level.  
•
]
•
Fixed High Accuracy Overvoltage Protection  
Threshold  
– bq29410 = 4.35 V  
– bq29411 = 4.40 V  
DCT PACKAGE  
(TOP VIEW)  
– bq29412 = 4.45 V  
•
•
•
Programmable Delay Time of Detection  
High Power Supply Ripple Rejection  
Stable During Pulse Charge Operation  
1
8
OUT  
VDD  
CD  
VC1  
VC2  
VC3  
2
3
4
7
6
5
VC4  
GND  
APPLICATIONS  
•
2nd-Level Overvoltage Protection in Li-Ion  
Battery Packs in:  
PW PACKAGE  
(TOP VIEW)  
– Notebook Computers  
– Portable Instrumentation  
– Portable Equipment  
1
2
3
4
8
7
6
5
VC1  
OUT  
VC2  
VC3  
GND  
VDD  
CD  
DESCRIPTION  
VC4  
The bq2941x is a secondary overvoltage protection  
IC for 2-, 3-, or 4-cell lithium-ion battery packs that  
incorporates a high-accuracy precision overvoltage  
detection circuit. It includes a programmable delay  
circuit for overvoltage detection time.  
ORDERING INFORMATION(1)  
PACKAGE(3)  
(2)  
TA  
V(PROTECT)  
MSOP (DCT3)  
bq29410DCT3R  
bq29411DCT3R  
bq29412DCT3R  
SYMBOL  
CJG  
PW  
4.35 V  
4.40 V  
4.45 V  
bq29410PW  
bq29410PWR  
bq29411PWR  
bq29412PWR  
–40°C to 110°C  
CJH  
bq29411PW  
bq29412PW  
CJJ  
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI  
Web site at www.ti.com.  
(2) Contact your local Texas Instruments representative or sales office for alternative overvoltage threshold options.  
(3) The "R" suffix indicates tape-and-reel packaging.  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2005, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
1234567...10

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BQ29411PWR 替代型号

型号 品牌 替代类型 描述 数据表
BQ29411PW TI

完全替代

 VOLTAGE PROTECTION FOR 2-, 3-, OR 4-CELL Li-Ion BATTERIES (2nd-LEVEL PROTECTION)
BQ29411DCTR TI

类似代替

 VOLTAGE PROTECTION FOR 2-, 3-, OR 4-CELL Li-Ion BATTERIES (2nd-LEVEL PROTECTION)

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