Power Analog to Digital Converter for Voltage Scaling Applications

被引：3
|
作者：
Gonzalez, M. C. [1 ]
Vasic, M. [1 ]
Alou, P. [1 ]
Garcia, O. [1 ]
Oliver, J. A. [1 ]
Cobos, J. A. [1 ]
Visairo, H. [2 ]
机构：
[1] Univ Politecn Madrid, Ctr Elect Ind, Madrid, Spain
[2] Intel Corp, Syst Res Ctr Mexico, Guadalajara, Jalisco, Mexico
来源：
2010 TWENTY-FIFTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2010年
关键词：
D O I：
10.1109/APEC.2010.5433659
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In order to optimize energy efficiency, some applications require adapting supply voltage according to the work load requirements. For example, in high performance digital systems and in RF systems, voltage scaling and modulation techniques have been adopted in order to achieve a more efficient processing of the energy. These techniques are based in rapidly adjusting the system supply voltage level. In order to achieve this, a topology which is capable of achieving very fast changes of the output voltage is needed. In this paper a PWM multiphase topology whose phases are coupled by using transformers is proposed to be used in an envelope elimination and restoration (EER) technique. The proposed topology can achieve very fast changes between discrete voltage steps so it can be considered as a power analog to digital converter.
引用
收藏
页码：271 / 276
页数：6
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