On and off controlled resonant dc-dc power converter

Mickey Pierre Madsen (Inventor), Milovan Kovacevic (Inventor)

Research output: Patent

144 Downloads (Pure)


The present invention relates to a resonant DC-DC power converter comprising an input side circuit comprising a positive and a negative input terminal for receipt of an input voltage or current and an output side circuit comprising positive and negative output terminals for supply of a converter output voltage and connection to a converter load. The resonant DC-DC power converter further comprises a rectification circuit connected between an output of a resonant network and the output side circuit. The resonant network is configured for alternatingly being charged from the input voltage or current and discharged through the rectification circuit by a first controllable switch arrangement in accordance with a first switch control signal. A second controllable switch arrangement of the resonant DC-DC power converter is configured to select a first impedance characteristic of the resonant network in a first switch state and select a second impedance characteristic of the resonant network in a second switch state. An output voltage or current control circuit is configured to adjust the converter output voltage and/or current by activating and interrupting the first switch control signal in accordance with the switch state of the second controllable switch arrangement.

Original languageEnglish
IPCH03F 3/ 217 A I
Patent numberWO2015128397
Filing date03/09/2015
Country/TerritoryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date27/02/2014
Priority numberEP20140156928
Publication statusPublished - 3 Sep 2015

Bibliographical note

Also published as: TW201607226 (A)


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