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Home » Power Electronics » Page 4

SMPS Halogen Lamp Transformer Circuit

Last Updated on November 20, 2021 by Swagatam 18 Comments

One of the best substitutes for traditional light transformer for halogen bulbs is the electronic halogen transformer. It can also be used with non-halogen bulbs and any other form of […]

Filed Under: Industrial Electronics, Power Electronics, SMPS

SMPS 2 x 50V 350W Circuit for Audio Power Amplifiers

Last Updated on May 5, 2022 by Swagatam 207 Comments

This article will illustrate a simple procedure to devise an unregulated 50V switching SMPS symmetric power supply of 350W. This unit can be substituted with the standard audio amplifier power […]



Filed Under: Amplifiers, Audio Projects, Power Electronics, SMPS

Compatible LED Tube Light Circuit for Standard Ballast Fixtures

Last Updated on March 13, 2019 by Swagatam 9 Comments

In this article we will study a simple LED tube light circuit which could be directly replaced with faulty 40 watt T17 fluorescent tubes and fitted directly on the existing […]

Filed Under: DIY LED Projects, Power Electronics

Mains 20 Watt Electronic Ballast Circuit

Last Updated on May 2, 2020 by Swagatam 18 Comments

The post explains a simple 20 watt fluorescent ballast circuit using a single chip FAN7711 from Fairchild semiconductor. The proposed mains 220V operated, 20 watt fluorescent ballast circuit is built […]

Filed Under: Home Electrical Circuits, Power Electronics

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 420 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



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