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BQ24108 PDF预览

BQ24108

更新时间： 2024-02-25 18:55:53
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德州仪器 - TI 开关
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26页 613K
描述
SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POL CHARGE MANAGEMENT IC WITH INTEGRATED POWERFETS

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BQ24108 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFN
包装说明：HVQCCN,针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：0.81
模拟集成电路 - 其他类型：BATTERY CHARGE CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：16 V
最小输入电压：4.35 VJESD-30 代码：R-PQCC-N20
JESD-609代码：e4长度：4.5 mm
湿度敏感等级：2功能数量：1
端子数量：20最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：4.5 A
标称输出电压：4.2 V封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装形状：RECTANGULAR
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：0.9 mm
最大供电电流 (Isup)：5 mA表面贴装：YES
切换器配置：BUCK最大切换频率：1100 kHz
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.5 mmBase Number Matches：1

BQ24108 数据手册

 浏览型号BQ24108的Datasheet PDF文件第2页浏览型号BQ24108的Datasheet PDF文件第3页浏览型号BQ24108的Datasheet PDF文件第4页浏览型号BQ24108的Datasheet PDF文件第5页浏览型号BQ24108的Datasheet PDF文件第6页浏览型号BQ24108的Datasheet PDF文件第7页 
bq24100, bq24103  
bq24105, bq24108  
Actual Size  
5,5 mm x 3,5 mm  
bq24113, bq24115  
www.ti.com  
SLUS606C–JUNE 2004–REVISED SEPTEMBER 2005  
SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER CHARGE-MANAGEMENT  
IC WITH INTEGRATED POWER FETs (bqSWITCHER™)  
FEATURES  
APPLICATIONS  
•
•
•
•
Handheld Products  
•
Ideal For Highly Efficient Charger Designs For  
Single-, Two- or Three-Cell Li-Ion and  
Li-Polymer  
Battery Packs  
Portable Media Players  
Industrial and Medical Equipment  
Portable Equipment  
•
Integrated Synchronous Fixed-Frequency  
PWM Controller Operating at 1.1 MHz With  
0% to 100% Duty Cycle  
DESCRIPTION  
The bqSWITCHER™ series are highly integrated  
•
•
•
Integrated Power FETs For Up To 2-A Charge  
Rate  
Li-ion  
and  
Li-polymer  
switch-mode  
charge  
management devices targeted at a wide range of  
portable applications. The bqSWITCHER™ series  
offers integrated synchronous PWM controller and  
power FETs, high-accuracy current and voltage  
regulation, charge preconditioning, charge status, and  
charge termination, in a small, thermally enhanced  
QFN package. The system-controlled version  
provides additional inputs for full charge management  
under system control.  
High-Accuracy Voltage and Current  
Regulation  
Available In Both Stand-Alone (Built-In Charge  
Management and Control) and  
System-Controlled (Under System Command)  
Versions  
•
Status Outputs For LED or Host Processor  
Interface Indicates Charge-In-Progress,  
Charge Completion, Fault, and AC-Adapter  
Present Conditions  
The bqSWITCHER charges the battery in three  
phases: conditioning, constant current, and constant  
voltage. Charge is terminated based on user-  
selectable minimum current level. A programmable  
charge timer provides a safety backup for charge  
termination. The bqSWITCHER automatically restarts  
the charge cycle if the battery voltage falls below an  
internal threshold. The bqSWITCHER automatically  
enters sleep mode when VCC supply is removed.  
•
20-V Maximum Voltage Rating on IN and OUT  
Pins  
•
•
•
High-Side Current Sensing  
Optional Battery Temperature Monitoring  
Automatic Sleep Mode for Low Power  
Consumption  
•
System-Controlled Version Can Be Used In  
NiMH and NiCd Applications  
•
•
Uses Ceramic Capacitors  
Reverse Leakage Protection Prevents Battery  
Drainage  
•
•
Thermal Shutdown and Protection  
Built-In Battery Detection  
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.  
bqSWITCHER, PowerPAD are trademarks of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2004–2005, Texas Instruments Incorporated  
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BQ24108 替代型号

型号 品牌 替代类型 描述 数据表
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