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Single IC Dimmable Ballast Circuit

Last Updated on January 1, 2019 by Swagatam 2 Comments

The post explains a simple 25 to 36 watt ballast circuit which can used for all fluorescent tube applications within the allocated range. The circuit of the proposed electronic fluorescent […]

Filed Under: Home Electrical Circuits, Power Electronics

12V, 5 Amp SMPS Battery Charger Circuit

Last Updated on January 17, 2020 by Swagatam 467 Comments

In this article we study a simple flyback based converter design which is implemented as an SMPS 12V, 5amp battery charger power supply, without using a iron core transformer. How […]



Filed Under: Battery Chargers, Power Electronics, SMPS

SMPS 50 watt LED Street Light Driver Circuit

Last Updated on July 3, 2019 by Swagatam 17 Comments

The post presents an SMPS based LED street lamp driver circuit which can be used for driving any LED lamp design right from 10 watts to 50 watts plus. Using […]

Filed Under: Power Electronics, SMPS

220V SMPS Cell Phone Charger Circuit

Last Updated on December 19, 2019 by Swagatam 216 Comments

The post explains how to make a simple, cheap yet extremely reliable smps based 220V/120V mains operated cell phone charger circuit. Why TNYxxx Tiny Switch is Used The TNY series […]

Filed Under: Power Electronics, SMPS

Simple Buck-Boost Converter Circuits Explained

Last Updated on September 29, 2022 by Swagatam 132 Comments

The post explains s few simple DC to DC buck-boost converter circuits which can be used for either stepping up the input DC voltage or stepping down the input DC […]

Filed Under: 555 IC Circuits, Electronics Tutorial, Power Electronics

How Buck-Boost Circuits Work

Last Updated on July 24, 2021 by Swagatam 5 Comments

We all have heard a lot about buck and boost circuits and know that basically these circuits are used in SMPS designs for stepping up or stepping down a given […]

Filed Under: Power Electronics



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