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BQ24196

更新时间： 2024-09-16 12:23:59
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
41页 2459K
描述
I2C Controlled 2.5A Single Cell USB/Adapter Charger With Narrow VDC Power Path Management and USB OTG

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BQ24196 数据手册

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bq24196  
www.ti.com  
SLUSB98 –OCTOBER 2012  
I2C Controlled 2.5A Single Cell USB/Adapter Charger  
With Narrow VDC Power Path Management and USB OTG  
Check for Samples: bq24196  
1
FEATURES  
•
High Accuracy (0°C to 125°C)  
–
–
–
–
±0.5% Charge Voltage Regulation  
2
•
High Efficiency 2.5A Switch Mode Charger  
92% Charge Efficiency at 2A  
±7% Charge Current Regulation  
±7.5% Input Current Regulation  
±2% Output Regulation in Boost Mode  
–
•
Highest Battery Discharge Efficiency with  
12mΩ Battery Discharge MOSFET up to 9A  
Discharge Current  
•
High Integration  
•
Single Input USB-compliant/Adapter Charger  
–
–
–
–
–
Power Path Management  
Synchronous Switching MOSFETs  
Integrated Current Sensing  
Bootstrap Diode  
–
Input Voltage and Current Limit Supports  
USB2.0 and USB 3.0  
–
Input Current Limit: 100mA, 150mA, 500mA,  
900mA, 1.2A, 1.5A, 2A and 3A  
Internal Loop Compensation  
•
•
•
3.9V–17V Input Operating Voltage Range  
•
Safety  
–
Support All Kinds of Adapter with Input  
Voltage DPM Regulation  
–
Battery Temperature Sensing and Charging  
Safety Timer  
USB OTG 5V at 1.3A Synchronous Boost  
Converter Operation  
–
–
–
Thermal Regulation and Thermal Shutdown  
Input System Over-Voltage Protection  
MOSFET Over-Current Protection  
–
93% 5V Boost Efficiency at 1A  
Narrow VDC (NVDC) Power Path Management  
•
•
•
Charge Status Outputs for LED or Host  
Processor  
–
–
Instant-on Works with No Battery or Deeply  
Discharged Battery  
Low Battery Leakage Current and Support  
Shipping Mode  
Ideal Diode Operation in Battery  
Supplement Mode  
4mm x 4mm QFN-24 Package  
•
•
1.5MHz Switching Frequency for Low Profile  
Inductor  
APPLICATIONS  
Autonomous Battery Charging with or without  
Host Management  
•
•
•
•
•
Tablet PC  
Smart Phone  
–
–
–
Battery Charge Enable  
Portable Audio Speaker  
Portable Media Players  
Internet Devices  
Battery Charge Preconditioning  
Charge Termination and Recharge  
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
PowerPAD is a trademark 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 © 2012, Texas Instruments Incorporated  
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