Hey friend, if you need a solid 60-watt power supply that runs cool, takes universal AC input, and gives stable DC output for your projects, this UC3842-based flyback design is one of the best classic circuits you can build. I have put together several of these over the years, a proven performer that delivers around … Read more
Hey friend, if you are tired of bulky linear power supplies that run hot and waste energy, or those cheap adapters that fail after a few months, building this simple 5V 2A switch-mode power supply (SMPS) is a game-changer. I have assembled dozens of these over my career as an electronics engineer, and the circuit … Read more
Hey, friend, if you’re into electronics and have come across this schematic for a 12V 7A switched-mode power supply using the UC3843 IC, you’re probably curious about how it all fits together. I remember tinkering with similar designs back in the day, and this one looks like a solid, straightforward flyback converter. It’s great for … Read more
Hey friend! If you’re diving into electronics projects, a reliable power supply is a must, and a switch-mode power supply (SMPS) is a fantastic choice. The schematic you shared, likely from a2help.com, shows a compact 12V 1A SMPS using the DK112 IC. This little circuit takes a wide AC input (85V-265V) and delivers a steady … Read more
Hey, if you’re looking to build a compact switched-mode power supply that converts mains AC to a stable 19V DC, this schematic using the TNY267 IC is a great starting point. The image labels it as the “Simplest SMPS With TNY267,” featuring a minimal design with a custom transformer on an EE19 core, basic rectification, … Read more
The Cell Phone SMPS (Switched Mode Power Supply) is a compact, efficient, and reliable power conversion circuit designed to provide a stable 5V to 5.5V DC output for charging mobile devices. This circuit uses minimal components yet delivers high efficiency and low heat generation. Understanding the Circuit Design This SMPS circuit works on the principle … Read more
If you’re an electronics hobbyist or a professional looking to create a compact power supply, building a 20V Switch Mode Power Supply (SMPS) is a rewarding project. SMPS designs are efficient and widely used in modern devices due to their small size and energy-saving features. In this guide, we’ll walk you through constructing a simple … Read more
In today’s world, having a reliable cell phone charger is essential, and building your own can be a fun and educational project. This article explores a hand-drawn circuit diagram for a DIY cell phone charger that converts 220V AC to a stable 5V DC output. As an experienced electronics engineer, I’ll break down the components, … Read more
Are you looking for a reliable and efficient way to power your small electronic devices? A 5V Switch Mode Power Supply (SMPS) is an excellent choice for delivering stable voltage with high efficiency. In this detailed guide, we’ll walk you through building a 5V SMPS circuit using accessible components, perfect for hobbyists and professionals alike. … Read more
Are you looking to design a high-efficiency power supply for your electronic projects? A Switch Mode Power Supply (SMPS) is an excellent choice, offering compact size, high efficiency, and reliable performance. In this comprehensive guide, we’ll walk you through building a 50V 300W SMPS using the IR2153 IC, a popular choice among electronics enthusiasts and … Read more