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Multi-cycle 0.35-µm CMOS integrated electronic interface circuit for energy harvesting systems

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6 Author(s)
Dallago, E. ; Dept. of Electr. Eng., Univ. of Pavia, Pavia, Italy ; Danioni, A. ; Grassi, M. ; Malcovati, P.
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This paper presents a self-powered active electronic interface circuit for energy harvesting system based on an electromagnetic vibration transducer. The interface circuit has been designed to transfer the harvested energy to a storage capacitor. The circuit is a multi-cycle inductive step up AC/DC converter able to process every voltage pulse coming from the transducer; furthermore, it is supplied by the harvested energy, making the system fully autonomous. The interface circuit has been designed in 0.35μm, 3.3V-5V CMOS process with high voltage (50V) capability. Experimental results obtained from the whole system are reported.

Published in:

Sensors, 2011 IEEE

Date of Conference:

28-31 Oct. 2011