A New Bidirectional Single-Inductor Multiple-Output (SIMO) DC–AC Converter for Low-Power Applications

Chuyue Ji; Albert Ting Leung Lee; Jiayang Wu; Siew-Chong Tan

doi:10.1109/TIE.2025.3582581

A New Bidirectional Single-Inductor Multiple-Output (SIMO) DC–AC Converter for Low-Power Applications

Chuyue Ji
, Albert Ting Leung Lee^*
, Jiayang Wu
, Siew-Chong Tan

^*Corresponding author for this work

Department of Electrical Engineering

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

Abstract

In this article, a new bidirectional single-inductor multiple-output (SIMO) dc-ac converter is proposed for high-efficiency bidirectional power conversion between one dc port and multiple ac ports. Compared to the existing dc-ac inverters, this bidirectional SIMO achieves the following: 1) higher transfer efficiency in low-power conditions; 2) bidirectional buck/boost power conversion; 3) pseudocontinuous conduction mode (PCCM) operation without additional power switches; 4) scalability; and 5) compactness. Both directions of power conversion can operate in either discontinuous conduction mode (DCM) or PCCM. The feasibility of a bidirectional single-inductor three-output (SITO) converter system is experimentally verified. The maximum efficiencies for the dc-ac and ac-dc conversions are measured to be 88.09% and 87.47%, respectively. © 2025 IEEE.

Original language	English
Pages (from-to)	12126-12137
Number of pages	12
Journal	IEEE Transactions on Industrial Electronics
Volume	72
Issue number	12
Online published	10 Jul 2025
DOIs	https://doi.org/10.1109/TIE.2025.3582581
Publication status	Published - Dec 2025

Funding

This work was supported by Hong Kong RGC Theme-Based Research Project T23-708/24-N.

Research Keywords

Bidirectional dc-ac converter
low power
single-inductor multiple-output (SIMO)

RGC Funding Information

RGC-funded

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10.1109/TIE.2025.3582581

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@article{55aa43b6cd2048bea864c45e995c0840,

title = "A New Bidirectional Single-Inductor Multiple-Output (SIMO) DC–AC Converter for Low-Power Applications",

abstract = "In this article, a new bidirectional single-inductor multiple-output (SIMO) dc-ac converter is proposed for high-efficiency bidirectional power conversion between one dc port and multiple ac ports. Compared to the existing dc-ac inverters, this bidirectional SIMO achieves the following: 1) higher transfer efficiency in low-power conditions; 2) bidirectional buck/boost power conversion; 3) pseudocontinuous conduction mode (PCCM) operation without additional power switches; 4) scalability; and 5) compactness. Both directions of power conversion can operate in either discontinuous conduction mode (DCM) or PCCM. The feasibility of a bidirectional single-inductor three-output (SITO) converter system is experimentally verified. The maximum efficiencies for the dc-ac and ac-dc conversions are measured to be 88.09\% and 87.47\%, respectively. {\textcopyright} 2025 IEEE.",

keywords = "Bidirectional dc-ac converter, low power, single-inductor multiple-output (SIMO)",

author = "Chuyue Ji and Lee, \{Albert Ting Leung\} and Jiayang Wu and Siew-Chong Tan",

year = "2025",

month = dec,

doi = "10.1109/TIE.2025.3582581",

language = "English",

volume = "72",

pages = "12126--12137",

journal = "IEEE Transactions on Industrial Electronics",

issn = "0278-0046",

publisher = "IEEE Industrial Electronics Society",

number = "12",

}

TY - JOUR

T1 - A New Bidirectional Single-Inductor Multiple-Output (SIMO) DC–AC Converter for Low-Power Applications

AU - Ji, Chuyue

AU - Lee, Albert Ting Leung

AU - Wu, Jiayang

AU - Tan, Siew-Chong

PY - 2025/12

Y1 - 2025/12

N2 - In this article, a new bidirectional single-inductor multiple-output (SIMO) dc-ac converter is proposed for high-efficiency bidirectional power conversion between one dc port and multiple ac ports. Compared to the existing dc-ac inverters, this bidirectional SIMO achieves the following: 1) higher transfer efficiency in low-power conditions; 2) bidirectional buck/boost power conversion; 3) pseudocontinuous conduction mode (PCCM) operation without additional power switches; 4) scalability; and 5) compactness. Both directions of power conversion can operate in either discontinuous conduction mode (DCM) or PCCM. The feasibility of a bidirectional single-inductor three-output (SITO) converter system is experimentally verified. The maximum efficiencies for the dc-ac and ac-dc conversions are measured to be 88.09% and 87.47%, respectively. © 2025 IEEE.

AB - In this article, a new bidirectional single-inductor multiple-output (SIMO) dc-ac converter is proposed for high-efficiency bidirectional power conversion between one dc port and multiple ac ports. Compared to the existing dc-ac inverters, this bidirectional SIMO achieves the following: 1) higher transfer efficiency in low-power conditions; 2) bidirectional buck/boost power conversion; 3) pseudocontinuous conduction mode (PCCM) operation without additional power switches; 4) scalability; and 5) compactness. Both directions of power conversion can operate in either discontinuous conduction mode (DCM) or PCCM. The feasibility of a bidirectional single-inductor three-output (SITO) converter system is experimentally verified. The maximum efficiencies for the dc-ac and ac-dc conversions are measured to be 88.09% and 87.47%, respectively. © 2025 IEEE.

KW - Bidirectional dc-ac converter

KW - low power

KW - single-inductor multiple-output (SIMO)

UR - https://www.webofscience.com/wos/woscc/full-record/WOS:001540763400001

UR - https://www.scopus.com/pages/publications/105010701866

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-105010701866&origin=recordpage

U2 - 10.1109/TIE.2025.3582581

DO - 10.1109/TIE.2025.3582581

M3 - RGC 21 - Publication in refereed journal

SN - 0278-0046

VL - 72

SP - 12126

EP - 12137

JO - IEEE Transactions on Industrial Electronics

JF - IEEE Transactions on Industrial Electronics

IS - 12

ER -

A New Bidirectional Single-Inductor Multiple-Output (SIMO) DC–AC Converter for Low-Power Applications

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Research Keywords

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TBRS: High-Frequency, High-Power and High-Efficiency Wireless Power Transfer Technologies

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A New Bidirectional Single-Inductor Multiple-Output (SIMO) DC–AC Converter for Low-Power Applications

Abstract

Funding

Research Keywords

RGC Funding Information

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TBRS: High-Frequency, High-Power and High-Efficiency Wireless Power Transfer Technologies

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