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Miniaturized Energy Harvesting Systems Using Switched-Capacitor DC-DC Converters
Law, Man Kay1; Jiang, Yang1; Mak, Pui In1; Martins, Rui P.2
2022-06
Source PublicationIEEE Transactions on Circuits and Systems II-Express Briefs
ISSN1549-7747
Abstract

This tutorial brief reviews highly-integrated switched-capacitor (SC) DC-DC converter topologies for miniaturized energy harvesting (EH) IoT systems. Aiming to provide a concise overview of SC converter-based EH interfaces, we first discuss the system level design considerations for energy balancing between source, storage, and load under different environmental conditions. The key factors dominating the energy extraction and power conversion efficiencies, including the source adaptation strategies and SC power stage intrinsic losses, are outlined to establish a fundamental understanding on the EH system performance. After studying different state-of-the-art SC topologies in terms of their rational boost voltage conversion ratio (VCR) generation flexibility, loss characteristics, and implementation tradeoffs, we further introduce two advanced SC converter-based EH system examples, highlighting the SC converter operation in enhancing the EH system functionality and performance. The pros and cons of different SC converter topologies for EH systems will also be discussed.

KeywordCapacitors Computer Architecture Dc-dc Converter Energy Harvesting Energy Harvesting Maximum Power-point Tracking Microprocessors Reconfigurable Sensors Switched-capacitor Topology Topology. Video Recording
DOI10.1109/TCSII.2022.3168307
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000804726500017
Scopus ID2-s2.0-85128673095
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF MICROELECTRONICS
Faculty of Science and Technology
THE STATE KEY LABORATORY OF ANALOG AND MIXED-SIGNAL VLSI (UNIVERSITY OF MACAU)
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorLaw, Man Kay
Affiliation1.State Key Laboratory of Analog and Mixed-Signal VLSI, ECE Department, FST, Institute of Microelectronics, University of Macau, Macau 999078, China
2.State Key Laboratory of Analog and MixedSignal VLSI, ECE Department, FST, University of Macau, Macau 999078, China, and on leave from the Instituto Superior Ticnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Law, Man Kay,Jiang, Yang,Mak, Pui In,et al. Miniaturized Energy Harvesting Systems Using Switched-Capacitor DC-DC Converters[J]. IEEE Transactions on Circuits and Systems II-Express Briefs,2022.
APA Law, Man Kay,Jiang, Yang,Mak, Pui In,&Martins, Rui P..(2022).Miniaturized Energy Harvesting Systems Using Switched-Capacitor DC-DC Converters.IEEE Transactions on Circuits and Systems II-Express Briefs.
MLA Law, Man Kay,et al."Miniaturized Energy Harvesting Systems Using Switched-Capacitor DC-DC Converters".IEEE Transactions on Circuits and Systems II-Express Briefs (2022).
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