Integrated magnetic components for distributed power conversion
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Engineering topics
Publications and source records attributed to Wesseling, E..
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The NASA roadmap outlining future deep space missions to Europa and other outer planetary destinations calls for continued reductions in the mass and volume of the spacecraft avionics. Spacecraft power electronics, including the power switches and converters, remain difficult to miniaturize due to the need for large numbers of discrete passive components such as resistors, capacitors, inductors and transformers. As part of the System-on-a-chip program at the Center for Integrated Space Microsystems and at the University of Arkansas, we are working to develop integrated or embedded passive components geared specifically for use in power management and distribution (PMAD) in future avionics over the next five to ten years. This will not only enable a scaling down of the power subsystems, but will make possible new architectures such as "distributed" PMAD. Additional information is contained in the original extended abstract.
This paper will focus on the development of microinductors for a 1-10 MHz integrated dc-dc converter for space applications.
The prospect of a monolithic, integrated dc-dc converter has spurred the development in on-chip inductors using conventional silicon compatible fabrication techniques.
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In this paper a method for achieving integrated power electronics is discussed. Furture spacecraft are projected to feature high levels of intergration at the system level particularly in areas not typically associated with an integrated approach.
Data storage systems based on vertical Bloch lines have been fabricated in 2 um bubble garnet material. The input/output line was fully operational, and experiments in reading and writing showed an encouraging correlation between input and output.