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TPS65200 PDF预览

TPS65200

更新时间: 2024-09-29 11:58:27
品牌 Logo 应用领域
德州仪器 - TI 驱动器电池监控监视器
页数 文件大小 规格书
60页 2655K
描述
LI BATTERY CHARGER WITH WLED DRIVER AND CURRENT SHUNT MONITOR

TPS65200 数据手册

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TPS65200  
www.ti.com  
SLVSA48 APRIL 2010  
LI+ BATTERY CHARGER WITH WLED DRIVER AND CURRENT SHUNT MONITOR  
Check for Samples: TPS65200  
1
FEATURES  
Automatic High Impedance Mode for Low  
Power Consumption  
Battery Switching Charger, WLED Driver, and  
Current Shunt Monitor in a Single Package  
Safety Timer with Reset Control  
BATTERY CHARGER  
Reverse Leakage Protection Prevents Battery  
Drainage  
Charges Faster Than Linear Chargers  
High-Accuracy Voltage and Current Regulation  
Thermal Regulation and Protection  
Input/Output Over Voltage Protection  
Status Output for Charging and Faults  
USB Friendly Boot-Up Sequence  
Automatic Charging  
Input Current Regulation Accuracy: ±5%  
(100 mA, 500 mA)  
Charge Voltage Regulation Accuracy:  
±0.5% (25°C),  
±1% (0 - 125°C)  
Boost Mode Operation for USB OTG  
Charge Current Regulation Accuracy: ±5%  
Input Voltage Range (VSYS): 2.5 V to 4.5 V  
Output Voltage for VBUS: 5 V  
Input Voltage Based Dynamic Power  
Management  
WLED DRIVER  
Bad Adaptor Detection and Rejection  
35-V Open LED Protection for up to 8 LEDs  
200-mV Reference Voltage With ±2% Accuracy  
Built-In Soft Start for WLED Boost  
Up to 90% Efficiency  
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  
2.5-V - 4.5-V Battery Voltage Range  
(Charger and Current Shunt Monitor)  
20-V Absolute Maximum Input Voltage Rating  
6.0-V Maximum Operating Input Voltage  
Built-In Input Current Sensing and Limiting  
CURRENT SHUNT MONITOR  
Fixed Gain of 25 V/V  
Input Referred Offset Voltage Less Than  
±40 µV Typical Enables Use of Shunt Resistors  
as Low as 20 mΩ  
Integrated Power FETs for Up to 1.25-A Charge  
Rate  
Programmable Charge Parameters through I2C  
Interface (up to 400 Kbps):  
Buffered Reference Voltage  
2.5-V - 4.5-V Battery Voltage Range  
(Charger and Current Shunt monitor)  
Input Current  
Fast-Charge/Termination Current  
Charge Voltage (3.5 V - 4.44 V)  
Safety Timer  
PACKAGE  
36-Ball, 0.4-mm Pitch DSBGA Package  
6-mm x 6-mm, 0.5-mm Pitch QFN  
Termination Enable  
Synchronous Fixed-Frequency PWM  
Controller Operating at 3 MHz With 0% to  
99.5% Duty Cycle  
APPLICATIONS  
Mobile Phones and Smart Phones  
MP3 Players  
Portable Navigation Devices  
Handheld Devices  
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 © 2010, Texas Instruments Incorporated  

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