Psu To Bench Power Supply

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. Diy lab bench power supply make using atx psu including all steps of making in this video i am showing you how to convert an old atx power. Yes you can i have one here that i use for a power supply for my amature radio you need to work out and fit a voltage divider two resistors nothing fancy between the 12v and 5v and a small alteration to the power good connection on the pcb basicaly isolating the pad with a cut to the pcb trace and adding a seperate unaltered 5v to the power good trace from the chip so the psu stays on.

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It should be capable of providing several amperes of current for each voltage.

Psu to bench power supply. This guide has almost every atx computer power supply to bench power supply published to date on instructables as of dec 2014 about 70 unique instructables. Computer power supplies cost around us 30 but lab power supplies can run you 100 or more. You can buy bench power supplies of course but they are not inexpensive.

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. An ideal workbench power supply should have both 5 volt and 12 volt outputs with 3 3 volts being a nice option as well. In this episode i will show you in great detail how to create your own bench power supply from a pc power supply.

Encyclopedia of atx to bench power supply conversion. It should be interesting to both those who want to do a conversion and to those intere. 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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