Building a 20A Bench Type DC Power Supply | Step-by-Step DIY Tutorial |Technology with Concept

Welcome to "Technology with Concept"! Today, we're diving into the world of electronics with an exciting project: building a 20A Bench Type DC Power Supply | Step-by-Step DIY Tutorial. If you're in need of powering devices requiring 2V, 5V, 12V, 18V, or 24V, this project is for you! Join us as we guide you through each step of the assembly process, from reviewing the components needed to understand the working principle of the circuit. Learn how to connect components like the LM317 adjustable voltage regulator, transistors, potentiometers, and more to create a versatile power supply. We'll also discuss power source options and demonstrate testing procedures to ensure optimal performance. Plus, we'll emphasize the importance of safety measures like fuse protection. Whether you're a beginner or an electronics enthusiast, this tutorial has something for everyone. Don't forget to like, comment, and subscribe for more exciting projects.

Note: This supply can deliver up to 20A when the input and output voltage difference is 10V or less. Maximum power dissipation is 200W.

Building a 20A Bench Type DC Power Supply | Step-by-Step DIY Tutorial | Technology with Concept
Components Used:
 LM317 adjustable voltage regulator IC
 NPN transistors (either BD135, or BD137, or BD139)
 NPN power transistor (MJ11016 or alternative like TIP3055)
 Potentiometers for voltage and current adjustment
 Input and output filter capacitors
 Diodes for short-circuit protection
 25A fuse for overall circuit protection.
Procedure:
 Review the components needed for the DC power supply.
 Connect the components as per the schematic.
 Choose a suitable power source and ensure proper input voltage.
 Understand the working principle of the circuit.
 Test the power supply with various loads to ensure functionality.
 Check the operating parameters of key components.
 Implement safety measures, including short-circuit protection.
 Fine-tune voltage and current adjustments as needed.
Applications:
 Powering electronic devices requiring 2V, 5V, 12V, 18V, or 24V.
 Experimentation and prototyping in electronics projects.
 Educational purposes for learning about voltage regulation and circuit design.
 Testing and troubleshooting electronic circuits.
 DIY electronics enthusiasts looking to expand their skills and knowledge.
🎓 Prerequisites:
A basic understanding of electronics concepts will be helpful, but we'll guide you through the process, making it accessible for beginners as well.
👍 Connect with Us:
If you have any questions or need assistance during the project, feel free to leave a comment below. We love engaging with our community and helping fellow enthusiasts!
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Building a 20A Bench Type DC Power Supply | Step-by-Step DIY Tutorial | Technology with Concept
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