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Power Supply Circuits

Add this Short Circuit Protection to Your Power Supply

Last Updated on October 14, 2022 by Swagatam 95 Comments

simple short circuit protection for power suppllies using relay

A rather cheap yet reasonably effective short circuit protection circuit is I have explained below which can be used for safeguarding power supply circuit Introduction A power supply unit is an indispensable unit for every electronic enthusiast and engineers working in the relevant field. Though today all of us use hi-tech power supply units having […]

Filed Under: Power Supply Circuits Tagged With: Power, Protection, Short, Supply

Designing Simple Power Supply Circuits

Last Updated on January 2, 2024 by Swagatam 164 Comments

power2Bsupply2Bcircuit2Busing2Bsingle2Bdiode

In this post I have explained how to design and build a simple power supply circuit right from the basic design to the reasonably sophisticated power supply having extended features. Power Supply is Indispensable Whether it’s an electronic noob or an expert engineer, all require this indispensable piece of equipment called the power supply unit. This is because no electronics […]

Filed Under: Power Supply Circuits Tagged With: Circuits, Designing, Power, Simple, Supply

IC 7805, 7812, 7824 Pinout Connection Explained

Last Updated on October 16, 2022 by Swagatam 40 Comments

78XX voltage regulator range of ICs

In this post I have explained how to connect common 78XX voltage regulator ICs such as 7805, 7812, 7824 etc for getting fixed regulated output voltages at 5 V, 12 V, or 24 V outputs respectively. The input voltage must be at least 3 V higher than the desired output voltage. For example, if a […]

Filed Under: Power Supply Circuits Tagged With: 7805, 7812, 7824, Connection, Explained, Pinout

Simple 12V, 1A SMPS Circuit

Last Updated on September 22, 2023 by Swagatam 227 Comments

12v 1 amp smps circuit

In the following content I have explained two simple 12V, 1 Amp switch mode power supply (SMPS) circuit using the very reliable VIPerXX IC from ST microelectronics. With the advent of modern ICs and circuits, the age old iron transformer type of power supply are surely becoming obsolete. Today power supplies are much compact, smaller […]

Filed Under: Power Supply Circuits Tagged With: 12V, Simple, SMPS

How Switch Mode Power Supply (SMPS) Circuits Work

Last Updated on January 8, 2024 by Swagatam 58 Comments

10WSMPSCircuitUsingSTMicroelectronicsVIPer22

SMPS is the acronym of the word Switch Mode Power Supply. The name clearly suggests that the concept has something or entirely to do with pulses or switching of the employed devices. I have explained how SMPS adapters work for converting mains voltage to a lower DC voltage. Advantage of SMPS Topology In SMPS adapters […]

Filed Under: Power Supply Circuits Tagged With: Circuits, Mode, Power, SMPS, Supply, Switch

How to Make a Bridge Rectifier

Last Updated on August 21, 2019 by Swagatam 46 Comments

DIODE 1

A bridge rectifier is an electronic network using 4 diodes which is used for converting an AC input to DC output. The process is called full wave rectification. Here I have explained the basic working principle of rectifier diodes such as a 1N4007 or a 1N5408, and also learn how to connect 1N4007 diodes to […]

Filed Under: Power Supply Circuits Tagged With: Bridge, Rectifier

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