Circuit Design of CMOS Rectifiers

Yan Lu*, Wing Hung Ki

*Corresponding author for this work

Research output: Chapter in Book/Conference Proceeding/ReportBook Chapterpeer-review

Abstract

This chapter discusses the design considerations and the state-of-the-art designs of CMOS rectifiers for wireless power receivers. First, the forward current conduction capability and the reverse leakage current of on-chip passive diodes are investigated and compared. Next, comparator-based active rectifiers for near-field WPT solutions are discussed and demonstrated with a couple of design examples. Moreover, a near-optimal adaptive on- and off-delay compensation technique is introduced. Other rectifier topologies, such as the delay-locked-loop (DLL) based rectifier and the threshold-voltage compensated rectifier, are also discussed. In addition, rectifiers for RF energy harvesting for far-field WPT are discussed as well.

Original languageEnglish
Title of host publicationAnalog Circuits and Signal Processing
PublisherSpringer
Pages53-96
Number of pages44
DOIs
Publication statusPublished - 2018

Publication series

NameAnalog Circuits and Signal Processing
ISSN (Print)1872-082X
ISSN (Electronic)2197-1854

Bibliographical note

Publisher Copyright:
© 2018, Springer Nature Singapore Pte Ltd.

Keywords

  • AC-DC conversion
  • Comparator
  • Delay
  • Energy harvesting
  • RF-DC
  • Rectifier
  • Wireless power transfer

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