Convert Pc Power Supply To Lab Power Supply

In this video i am going to show you how to convert an old atx pc power supply into a powerful 350 w lab bench power supply in minimum cost hope you guys you will enjoy this.

Convert pc power supply to lab power supply.

Here are all the parts used in this project. Convert an atx power supply into a regular dc power supply. In this instructable i will show you how to convert a computer power supply into a regular dc power supply with 12 5 and 3 3 v. This module allows you to convert any atx psu to a lab psu in seconds.

Adapt an old computer power supply to use on your workbench. 500 watts 12v 41 66 amps dc this is a short video everything you need to know on how to convert any a. Computer power supplies cost around us 30 but lab power supplies can run you 100 or more. This power supply is a 500 watt atx pc power supply.

The standard computer power supply unit psu turns the incoming 110v or 220vac alternating current into various dc direct current output voltages suitable for powering the computer s internal components and with a little bit of imagination it is possible to convert atx psu to a bench power supply. Computer power supplies have all the voltages you ll need and some very impressive current capabilities. Here is one more cool vid. While a commercial bench power supply is certainly a worthwhile investment there is a cheaper solution that you might want to consider.

By converting the cheap free atx power supplies that can be found in any discarded computer you can get a phenomenal lab power supply with huge current outputs short circuit protection and reasonably tight voltage regulation on the 5v line. But it turns out a obsolete computer power supply is perfect for the job instead. Computer power supplies are switch mode power supplies smps which use high frequency switching circuit elements to provide a high quality output voltage with good energy efficiency one side effect of this technology is the minimum load requirement that each power supply has. With features that are more or less hit or miss for what you need.

First a bit of background on a typical atx power supply. Convert a computer power supply to a variable bench top lab power supply.