Technical Articles

Distributed Power Architecture: What’s the Problem?

March 1, 2012
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Distributed Power Architecture: What’s the Problem?

Since the 1980s the bricks of distributed power architecture (DPA) have delivered the classic functions of DC-DC converters (isolation, voltage transformation and regulation) to the point of load. But …at a price in terms of premium space and cost.

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Defense Power Market Trends

February 24, 2012
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Defense Power Market Trends

Vicor’s Kai Johnstad recently sat down with John McHale, editor of Military Embedded magazine, to discuss trends in the defense power market.  His observations, along with those of other power players, have just been published online in the feature article: Military Embedded Systems: Power electronics designs trending smaller and more efficient.

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Why Choose Active ORing Instead of a Traditional Diode?

December 1, 2011
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Why Choose Active ORing Instead of a Traditional Diode?

An interview with Chester Firek, Senior Product Marketing Manager for the Vicor Cool-ORing family of Active ORing  power management solutions. The discussion covers the advantages and challenges of Active ORing over traditional diode solutions. There’s also a white paper and Cool-ORing family product matrix at the end of the post.

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Background to Factorized Power Architecture

November 25, 2011
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Background to Factorized Power Architecture

Supplying power to early electronics systems was relatively straightforward and could typically be accomplished with a single silver box AC-DC supply. However as system performance, power density and load voltage proliferation steadily increased, more sophisticated power systems architectures became necessary. This article looks at this evolution and introduces Factorized Power Architecture, which allows designers to meet the challenges of today’s high-performance electronics. Some History and Some Problems In the beginning, there was 5 V, and it was good. In the mid Eighties you could build a 19” VMEbus system with several MC68000 processor boards,...

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