The Design of an Interface Circuit for Micro-Electrostatic Vibration Energy Harvesters and Super-Capacitor

Abstract:

This paper presents the design of an interface circuit for storing power generated by low-frequency vibration based electrostatic energy harvesters. The circuit includes a structure of negative voltage converter with an active diode to minimize the forward voltage drop, and it also includes a boost-buck converter to accommodate a wide input voltage. The circuit has also been optimized to perform resistive matching. The maximum voltage of the capacitor in charging reaches about 1.83 V in simulation.

• Periodical: Key Engineering Materials (Volumes 645-646)
• Pages: 1127-1132
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.645-646.1127
• Online since: May 2015
• Authors: Si Chen, Ying Xian Lu, Xiao Hong Wang*
• Keywords: Interface Circuit, Micro-Electrostatic Vibration Energy Harvester, Super-Capacitor (SC)

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