Digital Lab Power Supply Schematic

In this instructable i will show you how to make a variable lab bench power supply with a limited budget it is a great diy project for beginners as well as any one interested in electronics.

Digital lab power supply schematic.

Digital dc regulator if you are looking for 5v dc power supply for the digital. Variable power supply circuit circuit diagram. Variable power supply with digital control. Many ideas of 12v and 5v dual power supply circuit diagram at 3a max.

When switch s2 has pressed the output of the ic1 goes high and further the outputs of ic2 goes high one after the other as a ring counter. I had just built today this power supply using the schematic and pcb lay out and everything works fine maybe you have a bad solder or some parts are wrongly placed recheck all connections and all soldered points it should looks shiny if properly soldered. As the presets vr1 to vr9 are connected at the collectors of transistors t2 to t10 different output resistances appear between the adjustable terminal and. Variable power supply with digital control working.

In this project i will show you how i combined a ltc3780 which is a powerful 130w step up step down converter with a 12v 5a power supply to create an adjustable lab bench power supply 0 8v 29 4v 0 3a 6a. Simple dc regulators 12v 15v 30v. 5v power supplies digital power supplies. Digital control for laboratory power supply using arduino.

I already have several lab power supplies all of them made by myself. Dc power supply variable 30v 10a 4 digital led display precision adjustable switching regulated multifunctional power supply digital with usb interface disply with output power lab grade 4 4 out of 5 stars 110. The latest shown here in action was almost perfect two channels 1 2 30v 3a but there wasn t current limiting. Timer ic ne555 ic1 is wired as an astable multivibrator.

We will be presenting the micro controller system the schematic diagram the program code for this power supply in the second part of this article. 1 5v 3v adapter usb to 1 5v or 3v converter circuit small uninterruptible ups. A lot of 6v supply diagrams. A bench power supply is an extremely handy bit of kit to have around for electronics hobbyists but they can be expensive when purchased from the market.

It generates clock pulses when switch s2 is pressed. The performance is quite good in compa. Using digital system for control and display enable us to conveniently operate this circuit. Build your own variable lab bench power supply.