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TMS320C6746

更新时间： 2024-12-01 07:04:39
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
9页 245K
描述
High-Vin, High-Efficiency Power Solution Using DC/DC Converter With DVFS

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TMS320C6746 数据手册

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Application Report  
SLVA339A–June 2009–Revised May 2010  
High-Vin, High-Efficiency Power Solution Using DC/DC  
Converter With DVFS  
Ambreesh Tripathi .......................................................................... PMP - DC/DC Low-Power Converters  
ABSTRACT  
This reference design is intended for users designing with the TMS320C6742, TMS320C6746,  
TMS320C6748, or OMAP-L138 processor. Using sequenced power supplies, this reference design  
describes a system having a 12-V input voltage and a high-efficiency dc/dc converter with integrated FETs  
and dynamic voltage and frequency scaling (DVFS) for a small, simple design.  
Sequenced power supply architectures are becoming commonplace in high-performance microprocessor  
and digital signal processor (DSP) systems. To save power and increase processing speeds, processor  
cores have smaller geometry cells and require lower supply voltages than the system bus voltages. Power  
management in these systems requires special attention. This application report addresses these topics  
and suggests solutions for output voltage sequencing.  
Contents  
1
2
3
4
Introduction .................................................................................................................. 2  
Power Requirements ....................................................................................................... 2  
Features ...................................................................................................................... 3  
Bill of Materials .............................................................................................................. 6  
List of Figures  
1
2
3
4
5
6
7
PMP4976 Reference Design Schematic.................................................................................  
Optional Circuit for DVDD_A, DVDD_B, and DVDD_C................................................................  
Sequencing in Start-up Waveform........................................................................................  
Efficiency vs Output Current...............................................................................................  
Efficiency vs Output Current...............................................................................................  
Efficiency vs Output Current...............................................................................................  
Efficiency vs Output Current...............................................................................................  
4
5
7
7
7
7
7
List of Tables  
1
2
General Requirements .....................................................................................................  
PMP4976 Bill of Materials .................................................................................................  
2
6
1
SLVA339A–June 2009–Revised May 2010  
High-Vin, High-Efficiency Power Solution Using DC/DC Converters With DVFS  
Copyright © 2009–2010, Texas Instruments Incorporated  
1234567...9

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TMS320C6746 替代型号

型号 品牌 替代类型 描述 数据表
TMS320C6742 TI

功能相似

 Simple Power Solution Using LDOs
OMAP-L138 TI

功能相似

 OMAP-L138 Low-Power Applications Processor

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TMS320C6746EZCE3 TI

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TMS320C6746EZCEA3 TI

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