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Energies 2016, 9(12), 1087; doi:10.3390/en9121087

Wireless Power Transfer System Architectures for Portable or Implantable Applications

1
State Key Laboratory of Analog and Mixed-Signal VLSI, University of Macau, Macao, China
2
Integrated Power System Laboratory, The University of Texas at Dallas, Richardson, TX 75080, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Hongjian Sun
Received: 12 October 2016 / Revised: 29 November 2016 / Accepted: 8 December 2016 / Published: 19 December 2016
(This article belongs to the Special Issue Wireless Power Transfer 2016)
View Full-Text   |   Download PDF [3075 KB, uploaded 19 December 2016]   |  

Abstract

This paper discusses the near-field inductive coupling wireless power transfer (WPT) at the system level, with detailed analyses on each state-of-the-art WPT output voltage regulation topologies. For device miniaturization and power loss reduction, several novel architectures for efficient WPT were proposed in recent years to reduce the number of passive components as well as to improve the system efficiency or flexibility. These schemes are systematically studied and discussed in this paper. The main contribution of this paper is to provide design guidelines for WPT system design. In addition, possible combinations of the WPT building block configurations are summarized, compared, and investigated for potential new architectures. View Full-Text
Keywords: wireless power transfer; voltage regulation; inductive power transfer; DC-DC converter; power amplifier; rectifier; low-dropout regulator; coupling coils wireless power transfer; voltage regulation; inductive power transfer; DC-DC converter; power amplifier; rectifier; low-dropout regulator; coupling coils
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Lu, Y.; Ma, D.B. Wireless Power Transfer System Architectures for Portable or Implantable Applications. Energies 2016, 9, 1087.

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