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BQ24747RHDR PDF预览

BQ24747RHDR

更新时间： 2024-01-12 16:57:18
品牌 Logo 应用领域
德州仪器 - TI 电池比较器
页数 文件大小 规格书
36页 1700K
描述
SMBus-Controlled Level 2 Multi-Chemistry Battery Charger With Input Current Detect Comparator and Charge Enable Pin

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中文翻译

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BQ24747RHDR 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：QFN
包装说明：HVQCCN, LCC28,.2SQ,20针数：28
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.81
Is Samacsys：N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：24 V最小输入电压：7 V
标称输入电压：20 VJESD-30 代码：S-PQCC-N28
JESD-609代码：e4长度：5 mm
湿度敏感等级：2功能数量：1
端子数量：28最高工作温度：125 °C
最低工作温度：-40 °C标称输出电压：3.3 V
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC28,.2SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
电源：7/24 V认证状态：Not Qualified
座面最大高度：1 mm子类别：Power Management Circuits
表面贴装：YES切换器配置：PUSH-PULL
最大切换频率：360 kHz温度等级：AUTOMOTIVE
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：5 mm
Base Number Matches：1

BQ24747RHDR 数据手册

 浏览型号BQ24747RHDR的Datasheet PDF文件第2页浏览型号BQ24747RHDR的Datasheet PDF文件第3页浏览型号BQ24747RHDR的Datasheet PDF文件第4页浏览型号BQ24747RHDR的Datasheet PDF文件第5页浏览型号BQ24747RHDR的Datasheet PDF文件第6页浏览型号BQ24747RHDR的Datasheet PDF文件第7页 
bq24747  
www.ti.com ............................................................................................................................................................................................. SLUS988 –OCTOBER 2009  
SMBus-Controlled Level 2 Multi-Chemistry Battery Charger With Input  
Current Detect Comparator and Charge Enable Pin  
Check for Samples :bq24747  
1
FEATURES  
•
•
< 1 mA Input DCIN Current with Adapter  
Present and Charge Disabled  
•
•
•
NMOS-NMOS Synchronous Buck Converter  
with 300 kHz Frequency and >95% Efficiency  
28-pin, 5x5-mm2 QFN Package  
30-ns Minimum Driver Dead-time and 99.5%  
Maximum Effective Duty Cycle  
APPLICATIONS  
•
•
•
•
•
•
Notebook and Ultra-Mobile Computers  
Portable Data-Capture Terminals  
Portable Printers  
Medical Diagnostics Equipment  
Battery Bay Chargers  
High-Accuracy Voltage and Current Regulation  
–
–
–
–
±0.5% Charge Voltage Accuracy  
±3% Charge Current Accuracy  
±3% Adapter Current Accuracy  
±2% Input Current Sense Amp Accuracy  
Battery Back-up Systems  
•
•
Integration  
–
Input Current Comparator, With Adjustable  
DESCRIPTION  
Threshold and Hysteresis  
The bq24747 is  
a high-efficiency, synchronous  
–
Internal Soft-Start  
battery charger with an integrated input-current  
comparator, offering low component count for  
space-constrained, multi-chemistry battery-charging  
applications. The input-current, charge-current, and  
charge-voltage DACs allow very high regulation  
accuracies that can be easily programmed by the  
system power-management microcontroller using the  
SMBus interface. The bq24747 charges two, three, or  
four series Li+ cells, and is available in a 28-pin, 5x5  
mm2 QFN package.  
Safety  
–
–
Input Overvoltage Protection (OVP)  
Dynamic Power Management (DPM)  
•
•
•
Up to 19.2 V Battery Voltage  
7 V–24 V AC/DC-Adapter Operating Range  
Simplified SMBus Control Interface  
–
–
–
Charge Voltage DAC (1.024 V–19.2 V)  
Charge Current DAC (128 mA–8.064 A)  
Adapter Current Limit DPM DAC (256  
mA–11.008 A)  
23  
28  
27  
26  
25  
24  
22  
•
Status and Monitoring Outputs  
ICREF  
ACIN  
VDDP  
LGATE  
PGND  
1
2
3
4
21  
20  
19  
–
–
–
AC/DC Adapter Present with Adjustable  
Voltage Threshold  
Input Current Comparator, With Adjustable  
Threshold and Hysteresis  
VREF  
bq24747  
28 LD QFN  
TOP VIEW  
CSOP  
CSON  
18  
17  
EAO  
EAI  
Current Sense Amplifier for Current Drawn  
From Input Source  
5
6
7
FBO  
CE  
NC  
16  
15  
•
Charge Any Battery Chemistry: Li+, NiCd,  
NiMH, Lead Acid, etc.  
VFB  
•
•
Charge Enable Pin  
8
9
10  
11  
12  
13  
14  
< 10-μBattery Current with Adapter Removed  
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.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2009, Texas Instruments Incorporated  
1234567...36

中文翻译

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BQ24747RHDR 替代型号

型号 品牌 替代类型 描述 数据表
BQ24747RHDT TI

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