SoC energy savings = reduce+reuse+recycle: A case study using a 660MHz DC-DC converter with integrated output filter

TitleSoC energy savings = reduce+reuse+recycle: A case study using a 660MHz DC-DC converter with integrated output filter
Publication TypeConference Paper
Year of Publication2008
AuthorsLemieux, G., M. Alimadadi, S. Sheikhaei, P. Palmer, and S. Mirabbasi
Conference NameElectrical and Computer Engineering, 2008. CCECE 2008. Canadian Conference on
Pagination000947 -000950
Date Publishedmay.
KeywordsDC-DC buck converter, DC-DC converter, DC-DC power convertors, frequency 660 MHz, integrated output filter, low-power electronics, size 0.18 mum, SoC energy savings, switching frequency, system on chip, system-on-chip, voltage 0.75 V to 1 V, voltage 2.2 V, zero voltage switching
Abstract

This paper advocates dasiareduce, reuse, recyclepsila as a complete energy savings strategy. While reduction has been common to date, there is growing need to emphasize reuse and recycling as well. We design a DC-DC buck converter to demonstrate the 3 techniques: reduce with low-swing and zero voltage switching (ZVS), reuse with supply stacking, and recycle with regulated delivery of excess energy to the output load. The efficiency gained from these 3 techniques helps offset the loss of operating drivers at very high switching frequencies which are needed to move the output filter completely on-chip. A prototype was fabricated in 0.18 mum CMOS, operates at 660 MHz, and converts 2.2 V to 0.75-1.0 V at  50 mA.

URLhttp://dx.doi.org/10.1109/CCECE.2008.4564676
DOI10.1109/CCECE.2008.4564676

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