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BQ24157YFFT PDF预览

BQ24157YFFT

更新时间： 2024-09-08 12:25:11
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
39页 2383K
描述
Fully Integrated Switch-Mode Charger With USB Compliance and USB-OTG Support

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中文翻译

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BQ24157YFFT 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：VFBGA, BGA20,4X5,16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：12 weeks
风险等级：5.67其他特性：RECHARGE THRESHOLD VOLTAGE IS 0.12V
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码：R-XBGA-B20JESD-609代码：e1
长度：2.142 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：20最高工作温度：85 °C
最低工作温度：-30 °C封装主体材料：UNSPECIFIED
封装代码：VFBGA封装等效代码：BGA20,4X5,16
封装形状：RECTANGULAR封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH
电源：5 V认证状态：Not Qualified
座面最大高度：0.625 mm子类别：Power Management Circuits
最大供电电流 (Isup)：5 mA最大供电电压 (Vsup)：6 V
最小供电电压 (Vsup)：4 V标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：OTHER
端子面层：Tin/Silver/Copper (Sn/Ag/Cu)端子形式：BALL
端子节距：0.4 mm端子位置：BOTTOM
阈值电压标称：+3.3V宽度：2 mm
Base Number Matches：1

BQ24157YFFT 数据手册

 浏览型号BQ24157YFFT的Datasheet PDF文件第2页浏览型号BQ24157YFFT的Datasheet PDF文件第3页浏览型号BQ24157YFFT的Datasheet PDF文件第4页浏览型号BQ24157YFFT的Datasheet PDF文件第5页浏览型号BQ24157YFFT的Datasheet PDF文件第6页浏览型号BQ24157YFFT的Datasheet PDF文件第7页 
bq24157  
www.ti.com  
SLUSB80 –SEPTEMBER 2012  
Fully Integrated Switch-Mode Charger  
With USB Compliance and USB-OTG Support  
Check for Samples: bq24157  
1
FEATURES  
23  
•
Power Up System without Battery  
•
Synchronous Fixed-Frequency PWM  
Controller Operating at 3 MHz With 0% to  
•
Charge Faster than Linear Chargers  
99.5% Duty Cycle  
•
High-Accuracy Voltage and Current Regulation  
•
•
Automatic High Impedance Mode for Low  
Power Consumption  
–
–
–
Input Current Regulation Accuracy: ±5%  
(100 mA and 500 mA)  
Robust Protection  
Charge Voltage Regulation Accuracy:  
±0.5% (25°C), ±1% (0°C to 125°C)  
–
Reverse Leakage Protection Prevents  
Battery Drainage  
Charge Current Regulation Accuracy: ±5%  
–
–
Thermal Regulation and Protection  
Input/Output Overvoltage Protection  
•
Input Voltage Based Dynamic Power  
Management (VIN DPM)  
•
•
•
•
Status Output for Charging and Faults  
USB Friendly Boot-Up Sequence  
Automatic Charging  
•
•
Bad Adaptor Detection and Rejection  
Safety Limit Register for Maximum Charge  
Voltage and Current Limiting  
•
High-Efficiency Mini-USB/AC Battery Charger  
for Single-Cell Li-Ion and Li-Polymer Battery  
Packs  
Boost Mode Operation for USB OTG  
–
Input Voltage Range (from Battery): 3.2 V to  
4.5 V  
•
•
•
•
20-V Absolute Maximum Input Voltage Rating  
6.5-V Maximum Operating Input Voltage  
Built-In Input Current Sensing and Limiting  
•
2.1 mm x 2 mm 20-Pin WCSP Package  
APPLICATIONS  
•
•
•
Mobile and Smart Phones  
MP3 Players  
Integrated Power FETs for Up To 1.25-A  
Charge Rate  
•
Programmable Charge Parameters through  
I2C™ Compatible Interface (up to 3.4 Mbps):  
Handheld Devices  
Figure 1. Typical Application Circuit  
–
–
–
–
–
–
Input Current Limit  
LO 1.0 mH  
RSNS  
VBAT  
VBUS  
VBUS  
VIN DPM Threshold  
SW  
CO1  
CIN  
CO2  
33 mF  
U1  
bq24157  
CBOOT  
1 mF  
22 mF  
Fast-Charge/Termination Current  
Charge Regulation Voltage (3.5 V to 4.44 V)  
Low Charge Current Mode Enable/Disable  
Termination Enable/Disable  
33nF  
BOOT  
PGND  
PMID  
PACK+  
+
4.7 mF  
C
IN  
2
CCSIN  
VAUX  
10 kW  
0.1 mF  
CSIN  
10 kW  
I
C BUS  
10 kW  
PACK–  
CSOUT  
SCL  
SCL  
SDA  
SDA  
CCSOUT  
0.1 mF  
STAT  
STAT  
VREF  
OTG  
OTG  
CD  
CVREF  
1 mF  
CD  
10 kW  
10 kW  
HOST  
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.  
2
3
NanoFree is a trademark of Texas Instruments.  
I2C is a trademark of NXP B.V. Corporation.  
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 © 2012, Texas Instruments Incorporated  
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BQ24157YFFT 替代型号

型号 品牌 替代类型 描述 数据表
BQ24157YFFR TI

完全替代

 Fully Integrated Switch-Mode Charger With USB Compliance and USB-OTG Support

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