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BQ29401DCTR

更新时间： 2024-11-05 22:50:19
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信息通信管理
页数 文件大小 规格书
10页 148K
描述
VOLTAGE PROTECTION FOR 2-, 3-, OR 4-CELL Lion BATTERIES

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BQ29401DCTR 技术参数

生命周期：Obsolete零件包装代码：SOIC
包装说明：PLASTIC, MSSOP-8针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.7
Is Samacsys：N其他特性：DETECTION THRESHOLD VOLTAGE IS 4.45V
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-G8长度：2.95 mm
信道数量：1功能数量：1
端子数量：8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：LSSOP封装等效代码：SSOP8,.16
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
电源：4/25 V认证状态：Not Qualified
座面最大高度：1.3 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表面贴装：YES
技术：BICMOS温度等级：OTHER
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL宽度：2.8 mm
Base Number Matches：1

BQ29401DCTR 数据手册

 浏览型号BQ29401DCTR的Datasheet PDF文件第2页浏览型号BQ29401DCTR的Datasheet PDF文件第3页浏览型号BQ29401DCTR的Datasheet PDF文件第4页浏览型号BQ29401DCTR的Datasheet PDF文件第5页浏览型号BQ29401DCTR的Datasheet PDF文件第6页浏览型号BQ29401DCTR的Datasheet PDF文件第7页 
bq29400, bq29400A  
bq29401, bq29405  
www.ti.com  
SLUS568B–JULY 2003–REVISED NOVEMBER 2004  
VOLTAGE PROTECTIONNFDOR 2-, 3-, OR 4-CELL Lion BATTERIES  
(2 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 be-  
gins. The bq2940x 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.  
•
]
•
High Accuracy Over Sense Voltage:  
– bq29400: 4.35 V ±25 mV  
– bq29400A: 4.40 V ±25 mV  
– bq29401: 4.45 V ±25 mV  
PW PACKAGE  
(TOP VIEW)  
– bq29405: 4.65 V ±25 mV  
•
•
•
•
Prefixed Protection Threshold Voltage  
Programmable Delay Time  
1
2
3
4
8
7
6
5
VC1  
VC2  
VC3  
GND  
OUT  
VDD  
CD  
High Power Supply Ripple Rejection  
Stable During Pulse Charge Operation  
VC4  
APPLICATIONS  
•
DCT PACKAGE  
(TOP VIEW)  
2nd Level Protection in Lion Battery Packs in  
– Notebook PCs  
1
2
3
4
8
OUT  
VC1  
– Portable Instrumentation  
– Medical and Test Equipment  
VDD  
CD  
VC2  
VC3  
7
6
5
VC4  
GND  
DESCRIPTION  
The bq29400, bq29400A, bq29401, and bq29405 are  
BiCMOS secondary protection ICs for 2-, 3-, or 4-cell  
Lithium-Ion battery packs that incorporate  
a
high-accuracy precision over voltage detection circuit.  
They include a programmable delay circuit for over  
voltage detection time.  
ORDERING INFORMATION  
PACKAGE  
SYMBOL  
TA  
V(PROTECT)  
MSOP (DTC)  
bq29400DCT3  
bq29400ADCT3  
bq29401DCT3  
bq29405DCT3  
TSSOP (PW)(1)  
bq29400PW  
Not Available  
bq29401PW  
Not Available  
SYMBOL  
4.35 V  
4.40 V  
4.45 V  
4.65 V  
CIQ  
CIT  
CIR  
CIS  
2400  
-
2401  
-
–25°C to 85°C  
(1) The bq29400, bq29400A, bq29401, and bq29405 are available taped and reeled. Add an R suffix to the device type (e.g.,  
bq29400PWR) to order tape and reel version.  
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 © 2003–2004, 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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