A 25-mV input boost converter with 91% mppt efficiency for energy harvesting application

Sangkwon Lee; Jinseong Jeong

doi:10.1587/elex.15.20180877

A 25-mV input boost converter with 91% mppt efficiency for energy harvesting application

Sangkwon Lee, Jinseong Jeong

School of Electrical and Computer Engineering

University of Seoul

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

In this letter, a low input boost converter with continuous conduction mode is presented for energy harvesting application. The maximum power point tracking (MPPT) efficiency at low input voltage is improved by using the proposed input-ripple control technique. Fabricated in a 0.35 µm CMOS process, the boost converter generates an output voltage of 3 V from the input voltage as low as 25 mV. The measurement results show that the boost converter achieves an MPPT efficiency of 91% at 25-mV input and a peak power conversion efficiency of 82.7% at 250-mV input.

Original language	English
Article number	20180877
Journal	IEICE Electronics Express
Volume	15
Issue number	21
DOIs	https://doi.org/10.1587/elex.15.20180877
State	Published - 10 Nov 2018

Keywords

Boost converter
Boosting ratio
Continuous conduction mode
Energy harvesting
Low input boosting
MPPT

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title = "A 25-mV input boost converter with 91% mppt efficiency for energy harvesting application",

abstract = "In this letter, a low input boost converter with continuous conduction mode is presented for energy harvesting application. The maximum power point tracking (MPPT) efficiency at low input voltage is improved by using the proposed input-ripple control technique. Fabricated in a 0.35 µm CMOS process, the boost converter generates an output voltage of 3 V from the input voltage as low as 25 mV. The measurement results show that the boost converter achieves an MPPT efficiency of 91% at 25-mV input and a peak power conversion efficiency of 82.7% at 250-mV input.",

keywords = "Boost converter, Boosting ratio, Continuous conduction mode, Energy harvesting, Low input boosting, MPPT",

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Y1 - 2018/11/10

N2 - In this letter, a low input boost converter with continuous conduction mode is presented for energy harvesting application. The maximum power point tracking (MPPT) efficiency at low input voltage is improved by using the proposed input-ripple control technique. Fabricated in a 0.35 µm CMOS process, the boost converter generates an output voltage of 3 V from the input voltage as low as 25 mV. The measurement results show that the boost converter achieves an MPPT efficiency of 91% at 25-mV input and a peak power conversion efficiency of 82.7% at 250-mV input.

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A 25-mV input boost converter with 91% mppt efficiency for energy harvesting application

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Keywords

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