Converter-Gating: A Power Efficient and Secure On-Chip Power Delivery System

被引：33

作者：

Uzun, Orhun Aras ^{[1
]}

Koese, Selcuk ^{[1
]}

机构：

[1] Univ S Florida, Dept Elect Engn, Tampa, FL 33620 USA

来源：

IEEE JOURNAL ON EMERGING AND SELECTED TOPICS IN CIRCUITS AND SYSTEMS | 2014年 / 4卷 / 02期

基金：

美国国家科学基金会;

关键词：

DC-DC converter; hardware security; on-chip voltage regulation; side-channel attack; switched capacitor; DC-DC CONVERTER; VOLTAGE REGULATOR; DESIGN; OPTIMIZATION; LOAD;

D O I：

10.1109/JETCAS.2014.2315880

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：

Dynamic power management techniques and related voltage converter architectures are proposed to design a secure and efficient on-chip power delivery system. A new power management technique, converter-gating, that adaptively turns on and off individual stages of an interleaved switched-capacitor voltage converter based on the workload information to improve the voltage conversion efficiency is proposed. Converter-gating technique is further utilized as a countermeasure against side channel power analysis attacks by pseudo-randomly controlling the converter activity. A new method is proposed to improve the response time of the converter during transient load changes by adaptively configuring the conversion ratio of a switched capacitor voltage converter. The proposed converter is designed and verified using IBM 130 nm technology kit. The proposed system achieves 5% higher power conversion efficiency compared to conventional converters, improves the response time to transient load changes from 1.4 mu s to 104 ns and reduces the correlation between the input current and load current.

引用

页码：169 / 179

页数：11

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