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BQ24750RHDTG4

更新时间： 2024-11-29 19:51:19
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
39页 1649K
描述
Multi-Cell Synchronous Switch-mode Charger with System Power Selector 28-VQFN -40 to 125

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中文翻译

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BQ24750RHDTG4 技术参数

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：28Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.18可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码：S-PQCC-N28
JESD-609代码：e4长度：5 mm
湿度敏感等级：2信道数量：1
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
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
最大供电电压 (Vsup)：24 V最小供电电压 (Vsup)：5 V
标称供电电压 (Vsup)：20 V表面贴装：YES
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 mmBase Number Matches：1

BQ24750RHDTG4 数据手册

 浏览型号BQ24750RHDTG4的Datasheet PDF文件第2页浏览型号BQ24750RHDTG4的Datasheet PDF文件第3页浏览型号BQ24750RHDTG4的Datasheet PDF文件第4页浏览型号BQ24750RHDTG4的Datasheet PDF文件第5页浏览型号BQ24750RHDTG4的Datasheet PDF文件第6页浏览型号BQ24750RHDTG4的Datasheet PDF文件第7页 
bq24750  
www.ti.com............................................................................................................................................... SLUS735D–DECEMBER 2006–REVISED MARCH 2009  
Host-Controlled Multi-Chemistry Battery Charger With Integrated System Power Selector  
and AC Overpower Protection  
1
FEATURES  
•
•
10-µA Off-State Current  
•
•
•
NMOS-NMOS Synchronous Buck Converter  
with 300 kHz Frequency and >95% Efficiency  
28-pin, 5x5-mm QFN package  
APPLICATIONS  
30-ns Minimum Driver Dead-time and 99.5%  
Maximum Effective Duty Cycle  
•
•
•
•
•
•
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  
DESCRIPTION  
–
Automatic System Power Selection From  
The bq24750 is  
a high-efficiency, synchronous  
AC/DC Adapter or Battery  
Internal Loop Compensation  
Internal Soft Start  
battery charger with integrated compensation and  
system power selector logic, offering low component  
count for space-constrained multi-chemistry battery  
charging applications. Ratiometric charge current and  
voltage programming allows high regulation  
accuracies, and can be either hardwired with resistors  
or programmed by the system power-management  
microcontroller using a DAC or GPIOs.  
–
–
Safety  
–
–
Input Overvoltage Protection (OVP)  
Dynamic Power Management (DPM) with  
Status Indicator  
–
Programmable Inrush Adapter Power  
(ACOP) and Overcurrent (ACOC) Limits  
–
–
Reverse-Conduction Protection Input FET  
Battery Thermistor Sense Input (TS) for  
Charge Qualification  
28 27 26 25 24 23 22  
CHGEN  
ACN  
1
2
3
4
5
6
7
21  
20  
19  
DPMDET  
CELLS  
SRP  
•
•
•
Supports Two, Three, or Four Li+ Cells  
5–24 V AC/DC-Adapter Operating Range  
bq24750  
28 LD QFN  
TOP VIEW  
ACP  
Analog Inputs with Ratiometric Programming  
via Resistors or DAC/GPIO Host Control  
ACDRV  
ACDET  
ACSET  
ACOP  
18 SRN  
BAT  
17  
–
–
Charge Voltage (4–4.512 V/cell)  
SRSET  
IADAPT  
16  
15  
Charge Current (up to 10 A, with 10-mΩ  
Sense Resistor)  
–
Adapter Current Limit (DPM)  
8
9
10 11 12 13 14  
•
•
Status and Monitoring Outputs  
–
AC/DC Adapter Present with Programmable  
Voltage Threshold  
–
–
DPM Loop Active  
Current Drawn from Input Source  
Supports Any Battery Chemistry: Li+, NiCd,  
NiMH, Lead Acid, etc.  
•
Charge Enable  
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 © 2006–2009, Texas Instruments Incorporated  
1234567...39

中文翻译

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BQ24750RHDTG4 替代型号

型号 品牌 替代类型 描述 数据表
BQ24750RHDRG4 TI

完全替代

 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC28, 5 X 5 MM, GREEN, PLASTIC, QFN-28
BQ24750RHDR TI

完全替代

 Host-controlled Multi-chemistry Battery Charger with Integrated System Power Selector and

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BQ24751ARHDTG4 TI

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BQ24751BRHDRG4 TI

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