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

Sangkwon Lee; Jinseong Jeong

doi:10.1587/elex.15.20180877

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

Sangkwon Lee, Jinseong Jeong

著者情報

キーワード: Boost converter, energy harvesting, MPPT, low input boosting, continuous conduction mode, boosting ratio

ジャーナルフリー早期公開

論文ID: 15.20180877

DOI https://doi.org/10.1587/elex.15.20180877

この記事には本公開記事があります。

The final version of this article is now available: Vol. 15 (2018), No. 21 pp. 20180877-20180877

詳細

抄録

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.

責任著者(Corresponding author)

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