How do I choose the right power supply for my application?

Some products commonly have UL, TUV, EN, and so on built into the power supply. These are just some of the parameters that are important to help you choose the right power supply for your application. Ultimately, it depends on your final application, and what parameter is most important to you when choosing the power supply.

Should you choose a low-quality power supply?

If you choose a low-quality power supply, you run the risk of damaging your components. On the other hand, if you don’t understand how much power you need in order to efficiently power your system, you could end up allocating more of your budget towards your power supply than is necessary.

How to choose an AC-DC power supply?

For example, in an LED or test and measurement application, you may require an adjustable output voltage range. In that case, choosing an AC-DC power supply that has a variable output range feature, saves time and money. In other cases, you would need a fixed output voltage, such as 48V, 12V, and so on.

How efficient is a power supply?

A really good power supply will convert 90% or more. These rating programs basically tell you how efficient a power supply is at converting AC power into DC power. But, it goes a little deeper than that, as the rating systems judge a power supply’s efficiency when it is under specific loads.

Why do you need a napkin drawing before choosing a power supply?

A napkin drawing is a good way to capture all the details you need in a power supply before choosing a power supply. As we can see below, the main consideration is the specifications.

Will a power supply improve my framerate?

Power supplies won’t improve your framerate and they aren’t really a big part of your system’s aesthetics. However, there is no component more central to your system’s long-term health than your power supply. If you choose a low-quality power supply, you run the risk of damaging your components.