High power-density, hybrid inductive/capacitive converter with area reuse for multi-domain DVS

Sudhir Kudva, Saurabh Chaubey, Ramesh Harjani

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

This paper presents a fully integrated hybrid inductive/capacitive converter that supports 70X output power range while maintaining high efficiency. This high efficiency is achieved by using an inductive converter for larger loads and a capacitive converter for lower loads. We have also shown the feasibility of implementing digital circuits under the inductor increasing the peak converter power density from 0.387 W/sq-mm to 4.1 W/sq-mm with only a minor hit on the efficiency. The maximum measured efficiency decreases from 76.4% to 71% when the digital circuits under inductor are present. The design has been fabricated in IBM's 32nm SOI technology.

Original languageEnglish (US)
Title of host publicationProceedings of the IEEE 2014 Custom Integrated Circuits Conference, CICC 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479932863
DOIs
StatePublished - Nov 4 2014
Event36th Annual Custom Integrated Circuits Conference - The Showcase for Integrated Circuit Design in the Heart of Silicon Valley, CICC 2014 - San Jose, United States
Duration: Sep 15 2014Sep 17 2014

Publication series

NameProceedings of the IEEE 2014 Custom Integrated Circuits Conference, CICC 2014

Other

Other36th Annual Custom Integrated Circuits Conference - The Showcase for Integrated Circuit Design in the Heart of Silicon Valley, CICC 2014
CountryUnited States
CitySan Jose
Period9/15/149/17/14

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