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Title: The design of a fully active on-chip wireless charging rectifier
Authors: Nor Fazlinda Binte Mohd Affandi
Keywords: DRNTU::Engineering
Issue Date: 2016
Abstract: This paper presents an efficiency-enhanced rectifier integrated for wireless power transfer system that will be utilized in wireless device applications. The design of the proposed rectifier is implemented in the 0.18µm CMOS technology. Cross-coupled connections are adopted to a pair of pMOS power transistors while the switching of a pair of nMOS power transistors are controlled by unbalanced-biased comparators to reduce the total voltage drop along the conducting path. Additionally, unidirectional flow of current to the load is constantly maintained. The designed unbalanced-biased comparators aims to minimize the reverse leakage current that will improve the rectifier power efficiency. The proposed rectifier generates a maximum load current of 100mA while achieving a VCE of 71.4% along with a PCE of at least 79% with a 1MHz input supply of 7 V amplitude.
Schools: School of Electrical and Electronic Engineering 
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Student Reports (FYP/IA/PA/PI)

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