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BQ24203DGNR PDF预览

BQ24203DGNR

更新时间： 2024-11-06 20:33:07
品牌 Logo 应用领域
德州仪器 - TI 监视器光电二极管
页数 文件大小 规格书
20页 1173K
描述
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, GREEN, PLASTIC, MSOP-8

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BQ24203DGNR 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete零件包装代码：MSOP
包装说明：GREEN, PLASTIC, MSOP-8针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.15
Is Samacsys：N其他特性：OPTIONAL TEMPERATURE MONITORING BEFORE AND DURING CHARGE
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：S-PDSO-G8长度：3 mm
信道数量：1功能数量：1
端子数量：8最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：HTSSOP封装等效代码：TSSOP8,.19
封装形状：SQUARE封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：1.07 mm子类别：Power Management Circuits
最大供电电流 (Isup)：2.5 mA最大供电电压 (Vsup)：13.5 V
最小供电电压 (Vsup)：2.8 V表面贴装：YES
温度等级：AUTOMOTIVE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 mm
Base Number Matches：1

BQ24203DGNR 数据手册

 浏览型号BQ24203DGNR的Datasheet PDF文件第2页浏览型号BQ24203DGNR的Datasheet PDF文件第3页浏览型号BQ24203DGNR的Datasheet PDF文件第4页浏览型号BQ24203DGNR的Datasheet PDF文件第5页浏览型号BQ24203DGNR的Datasheet PDF文件第6页浏览型号BQ24203DGNR的Datasheet PDF文件第7页 
bq24200, bq24201  
bq24202, bq24203  
bq24204, bq24205  
www.ti.com  
SLUS501C–OCTOBER 2001–REVISED MARCH 2008  
SINGLE-CHIP LI-ION AND LI-POL CHARGE MANAGEMENT IC FOR CURRENT-LIMITED  
APPLICATIONS  
1
FEATURES  
DESCRIPTION  
•
Designed Specifically to Work With  
Current-Limited Wall Supplies  
The bq2420x series are simple Li-Ion linear charge  
management devices targeted at low-cost and space  
limited charger applications. The bq2420x series offer  
•
Ideal for Low Dropout Charger Design for  
Single-Cell Li-Ion Packs With Coke or Graphite  
Anodes  
integrated  
powerFET,  
high-accuracy  
voltage  
regulation, temperature monitoring, charge status,  
and charge termination, in a single monolithic device.  
•
•
Integrated PowerFET for 500 mA  
Integrated Voltage Regulation With 0.5%  
Accuracy  
The bq2420x is designed to work with  
a
current-limited wall-mount transformer and therefore  
does not provide any current regulation. However,  
these devices offer a fixed internal current limit to  
•
•
Battery Insertion and Removal Detection  
Charge Termination by Minimum Current and  
Time  
prevent damage to the internal powerFET.  
A
time-limited pre-conditioning phase is provided to  
condition deeply discharged cells. Once the battery  
reaches the charge voltage, the high accuracy  
voltage regulation loop takes over and completes the  
charge cycle. Charge is terminated based on  
minimum current. An internal charge timer provides a  
backup safety for charge termination.  
•
•
•
Pre-Charge Conditioning With Safety Timer  
Sleep Mode for Low-Power Consumption  
Charge Status Output for LED or Host  
Processor Interface Indicates  
•
•
•
Charge-in-Progress, Charge Completion, and  
Fault Conditions  
Other standard features include an automatic sleep  
mode activated when VCC falls below the battery  
voltage and a recharge feature activated when the  
battery voltage falls below the VRCH threshold.  
Optional Temperature Monitoring Before and  
During Charge  
Small, 8-Pin Power-Pad MSOP Package  
In addition to the standard features, the core product  
provides two additional enhancements: temperature  
monitoring and status display. The temperature-  
sense circuit continuously measures battery  
temperature using an external thermistor and inhibits  
charge until the battery temperature is within the  
user-defined thresholds. The STAT pin indicates  
three conditions of operation of the charger. These  
conditions are charge-in-progress, charge complete,  
and fault. This output can be used to drive an LED or  
an interface to a microcontroller.  
TYPICAL APPLICATION  
1
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 © 2001–2008, 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...20

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BQ24203DGNR 替代型号

型号 品牌 替代类型 描述 数据表
BQ24203DGNG4 TI

完全替代

 SINGLE-CHIP LI-ION AND LI-POL CHARGE MANAGEMENT IC FOR CURRENT-LIMITED APPLICATIONS
BQ24203DGN TI

功能相似

 SINGLE CHIP U-I ONAND LI-POL CHARGE MANAGEMENT IC FOR CURRENT LIMITED APPLICATIONS

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