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US Patent 9450506 Apparatus for multi-level switched-capacitor rectification and DC-DC conversion

Patent 9450506 was granted and assigned to Massachusetts Institute of Technology on September, 2016 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Applicant
Massachusetts Institute of Technology
Massachusetts Institute of Technology
1
Current Assignee
Massachusetts Institute of Technology
Massachusetts Institute of Technology
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
94505061
Patent Inventor Names
Wei Li1
David J. Perreault1
Nathaniel Jay T. Salazar1
Date of Patent
September 20, 2016
1
Patent Application Number
144166541
Date Filed
August 13, 2013
1
Patent Citations Received
‌
US Patent 12113438 Protection of switched capacitor power converter
2
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US Patent 11764670 DC-DC converter with modular stages
‌
US Patent 11791723 Switched-capacitor converter configurations with phase switches and stack switches
‌
US Patent 11831233 Multilevel converter circuit and method with discrete voltage levels
3
‌
US Patent 11888410 Symmetric hybrid converters
4
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US Patent 12107495 Switched-capacitor power converters
5
Patent Primary Examiner
‌
Timothy J. Dole
1
Patent abstract

A voltage-step down rectifier topology suitable for integration on a die of an integrated circuit is described. In one embodiment, a switched capacitor rectifier is provided having an architecture such that an input voltage swing of the switched-capacitor rectifier is a factor N times an output voltage where N depends upon the number of stages such that the switched-capacitor rectifier can provide a π/(2N) step-down voltage conversion ratio between an input fundamental ac peak voltage to the output dc voltage. In one embodiment, the rectifier is used in dc-dc conversion. In one embodiment, the rectifier is used in ac power delivery to low-voltage electronics.

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