Today I am showing you how to make very powerful pen style electric arc metal engraver circuit using IC 555 and MOSFET. Actually this idea is inspired by one of my blog reader, and my friend Mr. August. He made one crude engraver using 6V transformer and tractor charging coil, but he wanted a smooth […]
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How to Connect Two TRIACs in Series for High Voltage Loads
Normally, for standard 220V AC household projects, a single 600V or 800V TRIAC is more than enough. But what if you are working with a very high voltage line, like 1000V AC? A single common TRIAC will immediately burn and short circuit because it cannot handle that much voltage stress. To solve this, we can […]
How to Connect Triacs in Parallel for High Current Loads: Circuit Diagram
Sometimes we make electronic circuit designs, and then we see that one single TRIAC cannot take all the big current of a very heavy load. This heavy load can be a huge heater, a big motor, or too many lights. In this condition, we get a simple idea. We think that we can connect two […]
High Voltage, High Current Buck Converter Circuit using Isolated Gate Driver
This is a high voltage 310V to 60V buck converter, so we have that big 310V DC coming in which we usually get after rectifying 220V AC mains. So now that high DC is there and we want to push it down to something like 60V or lower for battery charging or similar work. Audio/Video […]
PFC (Power Factor Correction) Calculator Tool: 3kW
In this post I will explain how to use this active PFC calculator for calculating high current, high PFC designs. In our example we will be using 230 VAC input and 3 kW output and Vout equal to around 390 V, and we will try to see how each resistor and capacitor gets calculated in […]
IC IR2111 H-Bridge MOSFET, IGBT Driver IC: Full Datasheet, Circuit Diagram
In this article I will talk about this IC IR2111 which people use many times in power electronics field. We can see that this IC is made in such a way that it can handle high voltage and also it can work with very high switching speed and it is mainly meant for working like […]