12V 7A SMPS Using UC3843: Circuit Analysis and Build Guide

12V 7A SMPS Using UC3843

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

Simplest SMPS Circuit with TNY267: Build Your Own 19V Power Supply

SMPS Circuit with TNY267

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

Cell Phone SMPS Circuit – Complete Working Guide

Cell Phone SMPS Circuit

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

How to Build a 20V SMPS: A Step-by-Step DIY Guide

20V SMPS circuit

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

DIY Cell Phone Charger Circuit: A Step-by-Step Guide

DIY cell phone charger

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

How to Build a 5V SMPS Circuit: A Step-by-Step DIY Guide

5V SMPS circuit

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

How to Build a 50V 300W SMPS Using IR2153: A Step-by-Step Guide

50V 300W SMPS circuit diagram with IR2153

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

Viper22A SMPS Circuit: A Comprehensive Guide to Building an Efficient Power Supply

Viper22A SMPS Circuit: A Comprehensive Guide to Building an Efficient Power Supply

Introduction to Viper22A SMPS Circuit The Viper22A is a popular integrated circuit (IC) from STMicroelectronics, widely used in Switch-Mode Power Supply (SMPS) designs. Known for its efficiency and compact design, the Viper22A IC is ideal for low-power applications such as chargers, LED drivers, and small appliances. In this article, we’ll analyze a typical Viper22A SMPS … Read more