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Editor’s Choice: Power Supplies and Snubber Caps

Feb. 5, 2020
Power supplies are everywhere and there are a lot of options for designers. Knowing the differences can help in selecting one for a particular application.

One of the hottest areas on Electronic Design is power management and power supplies are front and center. Here are a few recent articles that cover this topic area that you might find useful.

What’s the Difference Between RMS and Peak Watts?

Root mean square (RMS) and peak power ratings are basic power-handling terms. If you’re looking to build a high-performance entertainment system, you should understand exactly what they represent.

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What's the Difference Between AC-DC and DC-DC Power Supplies?

Making a dc voltage from an ac source means you will have to rectify the ac voltage to get a dc bus. One difference compared to a dc-dc converter is that you can use a linear power supply with an ac voltage. Significant complications arise when trying to get your power supply working from a wall outlet.

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Snubber Capacitors Stop Spikes

A snubber capacitor will reduce the spikes in your converter design, protecting the transistors and reducing EMI. Snubbers are also used in the output of Class-D audio amplifiers for the same reasons.

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FAQ: Offline AC-DC and DC-DC Power Supplies

Designing power supplies that work from wall outlets has multiple challenges. This FAQ should answer many of your questions.

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Sponsored Recommendations

Highly Integrated 20A Digital Power Module for High Current Applications

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Renesas latest power module delivers the highest efficiency (up to 94% peak) and fast time-to-market solution in an extremely small footprint. The RRM12120 is ideal for space...

Empowering Innovation: Your Power Partner for Tomorrow's Challenges

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Discover how innovation, quality, and reliability are embedded into every aspect of Renesas' power products.

Article: Meeting the challenges of power conversion in e-bikes

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Managing electrical noise in a compact and lightweight vehicle is a perpetual obstacle

Power modules provide high-efficiency conversion between 400V and 800V systems for electric vehicles

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Porsche, Hyundai and GMC all are converting 400 – 800V today in very different ways. Learn more about how power modules stack up to these discrete designs.

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