A Bidirectional High-Voltage Dual-Input Buck Converter for Triboelectric Energy-Harvesting Interface Achieving 70.72% End-to-End Efficiency

Inho Park; Junyoung Maeng; Minseob Shim; Junwon Jeong; Chulwoo Kim

doi:10.23919/VLSIC.2019.8778018

A Bidirectional High-Voltage Dual-Input Buck Converter for Triboelectric Energy-Harvesting Interface Achieving 70.72% End-to-End Efficiency

Inho Park, Junyoung Maeng, Minseob Shim, Junwon Jeong, Chulwoo Kim

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

10 Citations (Scopus)

Abstract

A bidirectional high-voltage (HV) dual-input (DI) buck converter and a fully integrated maximum power point (MPP) tracker for a triboelectric (TE) energy-harvesting (EH) system are proposed. The proposed MPP tracker carries out the fractional open-circuit voltage (FOCV) method without any external resistor for voltage down conversion. The proposed buck converter regulates two high DC voltages from a triboelectric nanogenerator (TENG) up to 70 V with a single shared inductor. By reducing the capacitance at the switching node, the power conversion efficiency is improved, and the maximum end-to-end efficiency is 70.72%, which is 21.15% higher than prior work.

Original language	English
Title of host publication	2019 Symposium on VLSI Circuits, VLSI Circuits 2019 - Digest of Technical Papers
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	C326-C327
ISBN (Electronic)	9784863487185
DOIs	https://doi.org/10.23919/VLSIC.2019.8778018
Publication status	Published - 2019 Jun
Event	33rd Symposium on VLSI Circuits, VLSI Circuits 2019 - Kyoto, Japan Duration: 2019 Jun 9 → 2019 Jun 14

Publication series

Name	IEEE Symposium on VLSI Circuits, Digest of Technical Papers
Volume	2019-June

Conference

Conference	33rd Symposium on VLSI Circuits, VLSI Circuits 2019
Country/Territory	Japan
City	Kyoto
Period	19/6/9 → 19/6/14

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.23919/VLSIC.2019.8778018

Cite this

Park, I., Maeng, J., Shim, M., Jeong, J., & Kim, C. (2019). A Bidirectional High-Voltage Dual-Input Buck Converter for Triboelectric Energy-Harvesting Interface Achieving 70.72% End-to-End Efficiency. In 2019 Symposium on VLSI Circuits, VLSI Circuits 2019 - Digest of Technical Papers (pp. C326-C327). Article 8778018 (IEEE Symposium on VLSI Circuits, Digest of Technical Papers; Vol. 2019-June). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.23919/VLSIC.2019.8778018

A Bidirectional High-Voltage Dual-Input Buck Converter for Triboelectric Energy-Harvesting Interface Achieving 70.72% End-to-End Efficiency. / Park, Inho; Maeng, Junyoung; Shim, Minseob et al.
2019 Symposium on VLSI Circuits, VLSI Circuits 2019 - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc., 2019. p. C326-C327 8778018 (IEEE Symposium on VLSI Circuits, Digest of Technical Papers; Vol. 2019-June).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Park, I, Maeng, J, Shim, M, Jeong, J & Kim, C 2019, A Bidirectional High-Voltage Dual-Input Buck Converter for Triboelectric Energy-Harvesting Interface Achieving 70.72% End-to-End Efficiency. in 2019 Symposium on VLSI Circuits, VLSI Circuits 2019 - Digest of Technical Papers., 8778018, IEEE Symposium on VLSI Circuits, Digest of Technical Papers, vol. 2019-June, Institute of Electrical and Electronics Engineers Inc., pp. C326-C327, 33rd Symposium on VLSI Circuits, VLSI Circuits 2019, Kyoto, Japan, 19/6/9. https://doi.org/10.23919/VLSIC.2019.8778018

Park I, Maeng J, Shim M, Jeong J, Kim C. A Bidirectional High-Voltage Dual-Input Buck Converter for Triboelectric Energy-Harvesting Interface Achieving 70.72% End-to-End Efficiency. In 2019 Symposium on VLSI Circuits, VLSI Circuits 2019 - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc. 2019. p. C326-C327. 8778018. (IEEE Symposium on VLSI Circuits, Digest of Technical Papers). doi: 10.23919/VLSIC.2019.8778018

Park, Inho ; Maeng, Junyoung ; Shim, Minseob et al. / A Bidirectional High-Voltage Dual-Input Buck Converter for Triboelectric Energy-Harvesting Interface Achieving 70.72% End-to-End Efficiency. 2019 Symposium on VLSI Circuits, VLSI Circuits 2019 - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc., 2019. pp. C326-C327 (IEEE Symposium on VLSI Circuits, Digest of Technical Papers).

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abstract = "A bidirectional high-voltage (HV) dual-input (DI) buck converter and a fully integrated maximum power point (MPP) tracker for a triboelectric (TE) energy-harvesting (EH) system are proposed. The proposed MPP tracker carries out the fractional open-circuit voltage (FOCV) method without any external resistor for voltage down conversion. The proposed buck converter regulates two high DC voltages from a triboelectric nanogenerator (TENG) up to 70 V with a single shared inductor. By reducing the capacitance at the switching node, the power conversion efficiency is improved, and the maximum end-to-end efficiency is 70.72%, which is 21.15% higher than prior work.",

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A Bidirectional High-Voltage Dual-Input Buck Converter for Triboelectric Energy-Harvesting Interface Achieving 70.72% End-to-End Efficiency

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