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A Fully-Integrated Biofuel-Cell-Based Energy Harvester with 86% Peak Efficiency and 0.25V Minimum Input Voltage Using Source-Adaptive MPPT

Talkhooncheh, Arian Hashemi and Yu, You and Agarwal, Abhinav and Kuo, William and Chen, Kuan-Chang Xavier and Wang, Minwo and Hoskuldsdottir, Gudrun and Gao, Wei and Emami, Azita (2020) A Fully-Integrated Biofuel-Cell-Based Energy Harvester with 86% Peak Efficiency and 0.25V Minimum Input Voltage Using Source-Adaptive MPPT. In: 2020 IEEE Custom Integrated Circuits Conference (CICC). IEEE , Piscataway, NJ, pp. 1-4. ISBN 9781728160313. https://resolver.caltech.edu/CaltechAUTHORS:20200430-151240979

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Abstract

This paper presents a cold-starting energy harvester in 65nm CMOS with source degradation tracking and automatic MPPT. A power-efficient architecture is proposed to keep the internal circuitry operating at 0.4V while regulating the output voltage at 1V using switched-capacitor DC-DC converters and a hysteresis controller. Peak efficiency of 86% is achieved at 0.39V input voltage and 1.34μW of output power with 220nW of internal average power consumption. Integrated operation with lactate biofuel cells is demonstrated.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1109/cicc48029.2020.9075912DOIArticle
ORCID:
AuthorORCID
Gao, Wei0000-0002-8503-4562
Emami, Azita0000-0003-2608-9691
Additional Information:© 2020 IEEE.
Subject Keywords:Energy Harvester; Biofuel Cell; Source-adaptive MPPT, DC-DC voltage converter
Record Number:CaltechAUTHORS:20200430-151240979
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200430-151240979
Official Citation:A. H. Talkhooncheh et al., "A Fully-Integrated Biofuel-Cell-Based Energy Harvester with 86% Peak Efficiency and 0.25V Minimum Input Voltage Using Source-Adaptive MPPT," 2020 IEEE Custom Integrated Circuits Conference (CICC), Boston, MA, USA, 2020, pp. 1-4.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:102948
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:01 May 2020 14:36
Last Modified:01 May 2020 14:36

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