A bench power supply is one of those things that every hacker needs, and as the name implies, it’s intended to occupy a place of honor on your workbench. But with the addition of USB-C support to his ...

The PC power supply has been a standard of the junk box for the last couple of decades, and will probably continue to be for the foreseeable future. A product that is often built to a very high ...

An uninterruptible power supply (UPS) offers a simple solution: it’s a battery in a box with enough capacity to run devices plugged in via its AC outlets for minutes to hours, depending on your needs ...

You might think that your power supply either works or it doesn’t, but it’s way more complicated than that. For many, the power supply simply needs to work and fit their budget, but as you’ll see in a ...

The power supply data analyzed for this article is based, in part, on studies conducted by Excelsys in many applications all over the world and also on the North American power supply ...

Most medium to high power AC-DC power supplies and some DC-DC converters include “Remote Sense” connection points (+ and – Sense) that are used to tightly regulate the supply’s output voltage at the ...

In the past couple of years, it has become very evident that CPUs and GPUs have become increasingly power-hungry. We doubt this will change in the near future, so those who prefer super-powerful ...

Today, 80% of all input/output (I/O) devices in automation applications are supplied with 24VDC power. The second most popular voltage is 120VAC, which is used on 15% of all I/Os. Over the past decade ...

In a previous article, I wrote about generating negative voltages via a standard unipolar dc power supply outfitted with polarity-reversal relays (see “Turn Positive Voltages Negative With Relays”).

Power supply manufacturers sometimes hear from customers with unfortunate dilemmas, such as, “I need to operate the power supply outside its rated voltage range.” Or, “What happens if I exceed my ...