An efficient complementary topology switched-capacitor based DC-DC converter

Ruikuan Lu, Mohammad R. Haider, Yehia Massoud, Nasim Uddin

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

Abstract

This paper proposes a complementary topology for Switched-Capacitor (SC) DC-DC converter to enhance the dynamic response. For battery charging unit with faster charging time requirement, one of the major restrictions comes from the equivalent output resistance of the SC DC-DC converter. By connecting one completely symmetric SC converter as complementary topology with the original single converter, the proposed SC DC-DC converter topology decreases the equivalent output resistance down to half. Simulated in 0.13-μm standard CMOS process, the simulation results show that this complementary SC converter gains faster dynamic response, shorter charging time, and higher energy-conversion efficiency.
Original languageEnglish (US)
Title of host publicationMidwest Symposium on Circuits and Systems
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages599-602
Number of pages4
ISBN (Print)9781538673928
DOIs
StatePublished - Jan 22 2019
Externally publishedYes

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