Convert Pc Power Supply To Variable Bench Supply

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. But it turns out a obsolete computer power supply is perfect for the job instead. 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.

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Converting pc power supply to bench supply turn a surplus computer power supply into a bench power supply to run your amateur radio transceiver and other equipment overview this project will show you how to turn an atx power supply unit psu from a computer into a bench power supply capable of providing the dc power necessary to operate your.

Convert pc power supply to variable bench supply. For instance a computer power supply can make a great bench power supply for your workshop. Convert a computer power supply to a variable bench top lab power supply. If you ve built a bench power supply using an old atx computer power supply you may feel limited by the choice of voltages 3 3v 5v and 12v dc. Computer power supplies have all the voltages you ll need and some very impressive current capabilities.

Ammar n 615 642 views 12 50. With these costing you only 25 and having short circuit protection thermal protection overload protection an. Suppose you re breadboarding a circuit that s meant to be run off a 9v battery. Computer power supplies cost around us 30 but lab power supplies can run you 100 or more.

First a bit of background on a typical atx power supply. This is how to build an add on variable voltage module for your power supply. تحويل بورسبلاي الكومبيوتر الى مجهزقدرة how to convert atx power supply to bench power supply duration. There are already a lot of tutorials online that show how to convert an old computer power supply into a bench power supply but most of these designs require you to permanently modify it.

Romech 30v 10a dc power supply variable adjustable switching dc regulated bench power supply stable outputs alligator leads spare fuse included 4 2 out of 5 stars 106 64 99 64. While a commercial bench power supply is certainly a worthwhile investment there is a cheaper solution that you might want to consider. Prices today for a lab power supply well exceed 180. Adapt an old computer power supply to use on your workbench.

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.