Power supplies

Greetings, the inhabitants of our site! Li-ion batteries of size 18650 are probably the most popular standard for today. They are used in laptops, flashlights, power banks and even in electric cars.

There was a need for a power supply for operation. Need fixed voltage. Basically, 12 and 5 volts are needed. Immediately make a reservation, we will mark at work later. So here. The Internet is full

Greetings, the inhabitants of our site! Today we will make a cool piece of Chinese components - a 220 volt powerbank, a kind of field outlet for tools. This project was developed by AlexGyver, author

In a previous article, I examined the issue of replacing nickel-cadmium (nickel-manganese) NiСd (NiMn) screwdriver batteries with lithium ones. We need to consider a few rules for charging batteries.

Greetings, the inhabitants of our site! Here is the next stage of evolution, namely, the stabilized power supply on the SG3525 chip. Until then, Roman, the author of YouTube channel "Open Frime TV", did

Greetings, the inhabitants of our site! I think you have often met such a thing as a winding switch for a linear power supply. But what if everything can be done much more technologically? Are you intrigued? Required

Greetings, the inhabitants of our site! Continuing the topic of power supplies, Roman (author of the YouTube channel “Open Frime TV”) presents such a compact unit on the popular LM2576 chip. Not so long ago, Roman did

Greetings, the inhabitants of our site! Probably, the problem we will talk about today is familiar to many. I think everyone had a need to increase the output current of the power supply.Let's take a look

Greetings, the inhabitants of our site! Today we will manufacture one very important tool for electronic engineers. We will make a power supply with adjustable voltage and current. The author of this homemade

Greetings, the inhabitants of our site! Now, together with the author of the YouTube channel “Open Frime TV”, we will assemble a fairly simple and reliable laboratory power supply with operational amplifiers. I think everyone who wanted

Greetings, the inhabitants of our site! This article will discuss how to properly wind a pulse transformer. The author of YouTube channel "Open Frime TV" Roman, recently collected a switching power supply on

Over time, I have accumulated a certain number of different Chinese AC-DC converters for charging the batteries of mobile phones, lights, tablets, as well as small pulse

Greetings, the inhabitants of our site! Now, together with the author of the YouTube channel Radio-Lab, we will collect a battery for 4 banks from separate 18650 Li-ion batteries with a protection board, which is also BMS. For future

Greetings, the inhabitants of our site! In this article, together with Roman (author of the YouTube channel “Open Frime TV”), we will assemble a universal power supply unit on the IR2153 chip. This is a kind of "Frankenstein", which