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Video s3
    Details
    Presenter(s)
    Tianqi Lu Headshot
    Display Name
    Tianqi Lu
    Affiliation
    Affiliation
    Delft University of Technology
    Country
    Author(s)
    Display Name
    Tianqi Lu
    Affiliation
    Affiliation
    Delft University of Technology
    Display Name
    Sijun Du
    Affiliation
    Affiliation
    Delft University of Technology
    Abstract

    A 6.78 MHz dual-output reconfigurable rectifier for wireless power transfer is presented. The proposed rectifier integrates AC-DC rectification and DC-DC regulation into a single-stage topology, alleviating received power loss and system volume cost. By adding a switch matrix after rectifying bridge, a dual output can be realized and regulated by a hysteretic control unit. The proposed rectifier can work in six operation modes by reconfiguring, and each output can be regulated in three modes. As a result, fine output regulation and large output-driving capability can be achieved. Designed in a 180-nm BCD process using standard 5-V devices, the dual-output rectifier provides two output voltages at 3 V and 5 V, and delivers a maximum power of 1.6 W. The peak post-layout simulated power conversion efficiency reaches 80.1% when both load currents are 0.2 A.

    Slides
    • A 6.78 MHz Dual-Output Reconfigurable Rectifier with Hysteretic Output Regulation for Wireless Power Transfer Systems (application/pdf)