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How to Design a Flyback Converter – Comprehensive Tutorial

basic flyback configuration

A flyback configuration is the preferred topology in SMPS application designs mainly because it guarantees complete isolation of the output DC from the input mains AC. Other features include low manufacturing cost, simpler design and uncomplicated implementation. The low current DCM version of flyback converters which include output specification lower than 50 watt are more … Read moreHow to Design a Flyback Converter – Comprehensive Tutorial

How to Repair a Switch-Mode-Power-Supply (SMPS)

In this post we try to diagnose a burnt SMPS circuit and try to troubleshoot and repair the circuit. The shown unit is a cheap readymade Chinese make SMPS circuit. This article is written as per the request made by Mr. Kesava. My SMPS got Burnt The below attachment is 12v 1.3 amps  SMPS for … Read moreHow to Repair a Switch-Mode-Power-Supply (SMPS)

110V, 14V, 5V SMPS Circuit – Detailed Diagrams with Illustrations

In this post we learn how to apply the IC L6565 for making a compact multi purpose 110V, 14V, 5V SMPS circuit using minimum number of external components. Implementing quasi-resonant ZVS flyback The IC L6565 from ST Microelectronics is designed as a current-mode primary controller chip, to specifically suit quasi-resonant ZVS flyback converter applications. The quasi-resonant … Read more110V, 14V, 5V SMPS Circuit – Detailed Diagrams with Illustrations

2 Compact 12V 2 Amp SMPS Circuit for LED Driver

In this post we comprehensively discuss a 2  simple 12V 2 amp SMPS circuit using the IC UC2842. We study a 2 amp flyback design by evaluating various formulas, which provides the exact selection details for the transformer winding and the parts specifications. Design#1: Introduction The first design is based on the versatile IC VIPer53-E. The … Read more2 Compact 12V 2 Amp SMPS Circuit for LED Driver

7 Watt LED Driver SMPS Circuit – Current Controlled

The presented 7 watt LED driver circuit is an SMPS based non-isolated, transformerless circuit which ensures a safe current controlled output for the attached LED, it is very affordable to build without  involving complex transformer winding. Constant Current and Load Regulation Objective The aim behind the design of the IC TPS92310 (from TEXAS INSTRUMENTS) is … Read more7 Watt LED Driver SMPS Circuit – Current Controlled

LM317 Variable Switch Mode Power Supply (SMPS)

So far in this website we have studied LM317 based linear power supply circuits, here we will learn how an LM317 can be executed as a variable switch mode power or SMPS with zero loss. LM317 as Linear Regulator We all know that an LM317 IC is internally designed to work as a linear voltage … Read moreLM317 Variable Switch Mode Power Supply (SMPS)

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