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Home » Power Electronics » Page 5

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 214 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

Buck Boost Circuit Using IC 555

Last Updated on January 14, 2021 by Swagatam 131 Comments

buck-boost control circuit

The post explains an universal IC 555 based buck-boost circuit which can be used for various different applications involving efficient power processing requirements. Using IC 555 for the Buck-Boost This […]

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

How to Convert 12V DC to 220V AC

Last Updated on April 24, 2020 by Swagatam 94 Comments

The article explains a very simple method of acquiring 220V AC from a 12v DC source. The idea utilizes inductor/oscillator based boost topology with the help of the IC 555. […]

Filed Under: Power Electronics

5V, 12V Buck Converter Circuit SMPS 220V

Last Updated on October 24, 2020 by Swagatam 42 Comments

This step down buck converter will convert a 220V AC input from mains supply to 5V or 12V or 24V DC with 90% efficiency. The proposed buck converter is an […]

Filed Under: Power Electronics, Power Supply Circuits



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