Triple-mode photovoltaic power management: Achieving high efficiency against harvesting and load variability

Jiangyi Li; Jae-sun Seo; Ioannis Kymissis; Mingoo Seok

doi:10.1109/ASSCC.2016.7844192

Triple-mode photovoltaic power management: Achieving high efficiency against harvesting and load variability

Jiangyi Li, Jae-sun Seo, Ioannis Kymissis, Mingoo Seok

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

1 Scopus citations

Abstract

We present a triple-mode energy-harvesting power management unit (PMU) that interfaces a photovoltaic (PV) cell and delivers a regulated supply (VLoad) of 0.45V while storing remaining energy in a 3V rechargeable battery. The objective is to maximize the end-to-end conversion efficiency of the PMU against the variabilities of harvested energy and load power dissipation. Specifically, it uses an intermediate energy-storage capacitor to minimize the involvement (charging or discharging) of a battery in the conversion process over time. The experiments show that the proposed PMU can achieve 2.2× higher end-to-end conversion efficiency than the conventional dual-mode architectures when faced with typical variabilities in harvested energy and load power dissipation.

Original language	English (US)
Title of host publication	2016 IEEE Asian Solid-State Circuits Conference, A-SSCC 2016 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	289-292
Number of pages	4
ISBN (Electronic)	9781509037001
DOIs	https://doi.org/10.1109/ASSCC.2016.7844192
State	Published - Feb 6 2017
Event	12th IEEE Asian Solid-State Circuits Conference, A-SSCC 2016 - Toyama, Japan Duration: Nov 7 2016 → Nov 9 2016

Other

Other	12th IEEE Asian Solid-State Circuits Conference, A-SSCC 2016
Country/Territory	Japan
City	Toyama
Period	11/7/16 → 11/9/16

Keywords

Photovoltaic (PV) energy harvesting
power management
switched-capacitor DC-DC converter

ASJC Scopus subject areas

Electrical and Electronic Engineering
Hardware and Architecture

Access to Document

10.1109/ASSCC.2016.7844192

Cite this

Triple-mode photovoltaic power management: Achieving high efficiency against harvesting and load variability. / Li, Jiangyi; Seo, Jae-sun; Kymissis, Ioannis et al.
2016 IEEE Asian Solid-State Circuits Conference, A-SSCC 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017. p. 289-292 7844192.

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

Li, J, Seo, J, Kymissis, I & Seok, M 2017, Triple-mode photovoltaic power management: Achieving high efficiency against harvesting and load variability. in 2016 IEEE Asian Solid-State Circuits Conference, A-SSCC 2016 - Proceedings., 7844192, Institute of Electrical and Electronics Engineers Inc., pp. 289-292, 12th IEEE Asian Solid-State Circuits Conference, A-SSCC 2016, Toyama, Japan, 11/7/16. https://doi.org/10.1109/ASSCC.2016.7844192

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Triple-mode photovoltaic power management: Achieving high efficiency against harvesting and load variability

Abstract

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Keywords

ASJC Scopus subject areas

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