Technical Articles

Boosting Energy Efficiency in Power Converters

August 16, 2012
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Boosting Energy Efficiency in Power Converters

From lossy DC distribution buses in telecom equipments to power hungry datacenter servers and emerging aerospace systems, the quest to further cut power losses and improve the overall efficiency of power solutions in these applications is very high.

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Petaflops and Megawatts

July 13, 2012
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Petaflops and Megawatts

Congratulations to the engineers at IBM, who have taken the USA to the top of the Top 500 list of supercomputers around the world.

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Improve Your AC-DC Front End’s Density, Efficiency, and Flexibility

June 6, 2012
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Improve Your AC-DC Front End’s Density, Efficiency, and Flexibility

Front-end ac-dc converters have changed significantly in terms of efficiency and density, yet power factor issues continue to cause problems, particularly with switch-mode ac-dc converters. 

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Thermal Management for Picor Cool-Power Isolated DC-DC Converters

May 4, 2012
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Thermal Management for Picor Cool-Power Isolated DC-DC Converters

This is the second in a three-part series that discusses thermal management issues, and how to address them for different product types.

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Is IBA the Right Architecture
for your Application? (Part 2)

April 26, 2012
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Is IBA the Right Architecture for your Application? (Part 2)

In part one we talked about the advantages of the IBA, and some of the considerations that need to be borne in mind when considering implementing this approach to power. In part 2 we continue to look at the limitations and issues with this approach.

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Is IBA the Right Architecture for your Application?
(Part 1)

April 2, 2012
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Is IBA the Right Architecture for your Application? (Part 1)

For a majority of applications implemented today, the Intermediate Bus Architecture has been the preferred power architecture.

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Thermal Considerations for High Power Density DC-DC Bricks

March 30, 2012
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Thermal Considerations for High Power Density DC-DC Bricks

As DC-DC converters continually increase in power density, careful thermal management is essential to maximise their usable power. Efficiency, although important, is not the only factor. Removal of dissipated heat is also essential, because product reliability and operational life relate inversely to operating temperature. Therefore, robust power system design calls for thermal management that effectively handles load and environmental demands in practice as well as in theory. A converter’s conversion efficiency is the ratio between output and input power. This efficiency depends on its operating parameters, particularly input voltage and output current as well...

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