A 13.56 MHz current-mode wireless power receiver with energy-investment capability
Journal
IEEE Transactions on Circuits and Systems II: Express Briefs
Journal Volume
67
Journal Issue
2
Pages
205-209
Date Issued
2020
Author(s)
Kuo C.-J
Abstract
A 13.56 MHz current-mode wireless power receiver with energy-investment capability is presented. An investing voltage controller and a zero-crossing current switching controller are presented to control the switching timing of the power MOSFETs. Both the controllers use the sample-and-hold circuits and the digital controlled delay lines to tolerate the process variations. The highest operation frequency of the controllers is 6.78 MHz. This chip is fabricated in a 0.18-μm CMOS process. It achieves a peak power conversion efficiency of 67.1% when the input power is 6 mW. ? 2004-2012 IEEE.
Subjects
coupled inductor; Current mode; power conversion efficiency; wireless power
SDGs
Other Subjects
Circuit theory; Controllers; Conversion efficiency; Delay circuits; Inductive power transmission; Investments; Coupled inductor; Current mode; Energy investments; Operation frequency; Power conversion efficiencies; Sample-and-hold circuits; Voltage controllers; Wireless power; Power MOSFET
Type
journal article