Technical Articles

I Clicked the Mouse Four Times and an AC-DC Power System Design Appeared

January 28, 2016
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I Clicked the Mouse Four Times and an AC-DC Power System Design Appeared

Our new PowerBench Power System Designer makes it easy to architect and analyze power chains, even when you have an AC input.

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Achieving High Efficiency When Driving LEDs with Constant Current

January 12, 2016
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Achieving High Efficiency When Driving LEDs with Constant Current

Light Emitting Diodes (LEDs) are highly efficient light sources that are used in a wide variety of applications, from digital signage to providing illumination.

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How Do You Decide the Best Power Chain for Your Application?

December 3, 2015
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How Do You Decide the Best Power Chain for Your Application?

The Power Component Design Methodology is an extremely flexible approach to the development of power systems, using power components to produce designs that are optimized for your application. But how can you determine what is the “optimum” solution to your particular design challenge? Consider the following five figures of merit: Highest Operating Efficiency Lowest Component Count Lowest Cost Smallest Footprint Best Fit The demands of the application will determine the figure of merit that is most appropriate. For example Highest Operating Efficiency (the highest overall efficiency of the complete system at its maximum operating...

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Flexible Fault Management

November 24, 2015
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Flexible Fault Management

The Factorized Power Architecture (using the PRM and VTM) provides an efficient means of providing power under rapidly varying load conditions. In the event of a fault, the VTM module shuts down automatically and remains shut down until restarted by the PRM module. The addition of a Fault Management Circuit allows for much more flexibility in the response to a fault. The Fault Management Circuit described here can be used for a PRM driving one or two VTMs in series or parallel. The circuit is compatible with the PRM / VTM families that support...

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Avoiding Hot Spots in LED Applications

The high efficiency of LEDs means they are being adopted for a wide range of applications, from digital signage and outdoor displays to illuminating anything from television studios to offices.

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Build Small, Lighter Power Systems by Eliminating Bulk Capacitance

October 6, 2015
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Build Small, Lighter Power Systems by Eliminating Bulk Capacitance

For many electronic systems, the size and weight is a critical requirement. This is particularly obvious in applications such as aerospace,

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Power Supply Thermal Issues are More Important than Ever

August 24, 2015
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Power Supply Thermal Issues are More Important than Ever

It’s an old engineering story, sometimes told in jest, but often not: the power supply is the last item specified. “We’ll just have to find a supply that fits

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