Power Design Zone

Sine Amplitude Converter topology explained

January 18, 2012
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Sine Amplitude Converter or SAC topology is the driving force behind the high performance achieved by Vicor’s V•I Chip converters: superior speed, efficiency and flexibility.

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Webinar Rebroadcast Now Available:
“The Three Approaches to Power”

January 11, 2012
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If you didn’t make our recent webinar – the first in the series “The Critical Design Challenges for Power” – you can still access the rebroadcast version here: The Three Approaches to Power Even though I say it myself, Tom Curatolo, our director of applications engineering did a great job talking about the challenges faced by today’s power system designers and the advantages of the various power architectures available to them. He discussed how the evolution of system requirements – higher power, higher density, higher input voltages, higher load currents and last but not least,...

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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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Addressing the New Challenges in Power Distribution

November 16, 2011
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Addressing the New Challenges in Power Distribution

Power supplies have traditionally been designed as “silver boxes” or “bricks”: a self-contained, autonomous voltage-in, voltage-out device, with minimal-impact mechanical and electrical integration with the host system. However, evolution of system requirements – higher power, higher density, higher input voltages, higher load currents and last but not least, higher efficiency –  clearly requires alternative, integrated approaches. With each generation of processor, memory, DSP and ASIC chip, lower voltages at higher currents challenge the infrastructure to supply contemporary “loads” with the requisite electrons.  Electricity from an AC outlet, or a wall plug, typically goes through...

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How to Meet European Standards for Rail Applications

September 4, 2011
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In this video, Marco Panizza, Vicor’s European Applications Manager shows how Vicor’s modular DC-DC converters can meet or exceed European railway standards IEC571/EN51055 and RIA12 if design guidelines are carefully followed. These standards address the harsh environment issues that characterise rail applications, including shock, vibration, extreme temperatures, restricted space, varying voltages, EMC and reliability.

How to Meet European Standards for Rail Applications

 

New Company Video Posted

April 3, 2011
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