Practical applications of radiative wireless power transfer

H. Pflug, H.J. Visser, S. Keyrouz

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

6 Citations (Scopus)
9 Downloads (Pure)

Abstract

For practical use of radiative wireless power transfer (WPT), it is necessary to design a system which is able to supply circuits with a dynamic loading characteristic. In this paper we present a practical way to obtain efficiency and dc output power characteristics of a WPT system. An Avago HSMS-2852 Schottky diode pair is used to rectify the RF power. The diode pair is matched to a 50 O input impedance and loaded with an Texas Instruments TI BQ22570 Power Management Circuit. The system is able to deliver 20 mW dc output power during 10 ms with a period of 8.7 s at an RF input power level of -10 dBm. This corresponds to a distance in excess of 9 m having a 6 dBi receiving antenna and using a 3 W EIRP transmitter at 868 MHz.
Original languageEnglish
Title of host publicationProceedings of the Wireless Power Transfer Conference (WPTC), 13-15 May 2015, Boulder, Colorado
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages1-4
ISBN (Print)978-1-4673-7447-7
DOIs
Publication statusPublished - 2015

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