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Adjustable Voltage Regulator Circuit using LM324 IC with Over Current Protection

Last Updated on February 17, 2024 by Swagatam 4 Comments

LM324 voltage regulator circuit

In this post I have explained how a single LM324 IC can be used to create an adjustable voltage regulator circuit with overload and over current protections. Basic Working A basic IC LM324 quad operational amplifier regulates an unregulated 28-volt input source to approximately ±0.02%, resulting in a 1 amp 0 to -20 V supply. The […]

Filed Under: Voltage Control and Protection Tagged With: Adjustable, Current, LM324, Over, Regulator, Voltage

100V Regulated Power Supply Circuit Diagram with Over Current and Short Circuit Protection

Last Updated on January 17, 2025 by Swagatam 5 Comments

adjustable regulated power supply circuit with current limit and short circuit protection

A trustworthy and adaptable power source is essential in the world of electronic circuits. The design we present here not only offers a regulated output voltage range of 50V to 100V but also integrates safeguards to prevent potential mishaps. Let’s examine the specifics of this power supply circuit, discovering its special characteristics and how it […]

Filed Under: Power Supply Circuits Tagged With: 100V, Current, Over, Power, Regulated, Supply

AC 220V Over Current Monitor and Cut OFF Circuit

Last Updated on January 1, 2024 by Swagatam 12 Comments

220V load circuit breaker track side PCB

The proposed AC mains 220 V load over current cut off circuit continuously monitors the current flowing through a connected load. If this current increases beyond a certain preset level, the circuit trips the relay and disconnects the load from the AC. Basic Working This 220 V over current cut off circuit is indeed subject […]

Filed Under: Security and Alarm Tagged With: 220V, AC, Current, Monitor, OFF, Over

Over Current Cut-off Power Supply Using Arduino

Last Updated on December 5, 2024 by Swagatam 42 Comments

pwr

In this post I will show how to construct a battery eliminator / DC variable power supply which will automatically cut-off the supply, if the current flow through the load exceeds the preset threshold level. By Girish Radhakrishanan Main Technical Features The proposed over current cut-off power supply circuit using Arduino has 16 X 2 LCD […]

Filed Under: Arduino Projects, Power Supply Circuits Tagged With: Arduino, Current, Over, Power, Supply

Arduino based Battery Over Discharge Protection Circuit

Last Updated on November 4, 2020 by Swagatam 37 Comments

over2Bdischarge2Bprotection

In this post, I will show how to construct a over discharge protection circuit for 12v battery using Arduino   which can protect 12V SLA battery against over discharge, and also protect the connected load from over voltage in case of overcharged battery is connected. Understanding Battery Charge/Discharge Rates All the batteries have natural decline, […]

Filed Under: Battery Charger Circuits Tagged With: Arduino, Based, Battery, Discharge, Over, Protection

Over Voltage Protection for Automotive Load Dump

Last Updated on September 2, 2020 by Swagatam 5 Comments

dump2Bload

In this post I have explained an over voltage cut-off protection circuit in the form of automotive dump load for protecting sensitive and sophisticated modern automotive electronics from transient DC electrical spikes emanating in vehicle electrical. Transient bus voltages are a significant risk factor to integrated circuits. The maximum breakdown voltage that an integrated circuit […]

Filed Under: Automobile Electronics Tagged With: Automotive, Dump, Load, Over, Protection, Voltage

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