Atx Psu Bench Power Supply
This instructable will show you how to make a professional looking bench power supply.
Atx psu bench power supply. A power supply that is fuse linked. Convert an atx computer supply to a bench power supplyin your video you show a 50w 8rj power resistor but in the parts list 8 20 ohm 10w power resistor which one is correct. 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.
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. It should be interesting to both those who want to do a conversion and to those intere. 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.
Tg didn t just cut off the motherboard connector and add banana plugs but improved the functionality. As such there s a 5v ttl line that s pulled high when the psu thinks that all of it s rails are within atx spec bounds. Here s a fancy way to convert an atx powers supply into a bench 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. The psu fan will turn on and the outputs will supply power to the mother board cpu memory and hard drives. This is because an atx psu is a switched mode power supply which requires a load for it to function.
If you plug in an atx power supply to ac current without connecting it to a computer it may or may not power on. Atx power supplies are smart they monitor themselves. Is it possible to use an atx power supply unit or psu from an old pc as a bench top power supply to power 5v logic but with limitations.
Similarly there s a 5vsb line that supplies limited current when the psu is off to keep things like the power button working. Encyclopedia of atx to bench power supply conversion. Right off the.
Atx workbench power supply project.
