Tag: Prototyping
SMPS Over-Power Protection Guide: A Beginner’s Solution
Switch Mode Power Supplies (SMPS) are commonly used to power electronic circuits, but they can get damaged if overloaded. Over-power protection (OPP) prevents this by limiting the power drawn by the load, ensuring the SMPS operates within safe limits. Without OPP, excessive power can lead to overheating, damage, or even component failure. The Problem …
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MOSFET Gate Drive Power Supply: A Beginner’s Guide to Solving Common Issues
The Problem : When working with MOSFETs in your projects, one common issue is insufficient gate drive voltage. MOSFETs require a specific voltage level to switch fully on. If the gate drive power supply isn’t delivering enough voltage, the MOSFET may not switch properly, leading to inefficient performance, overheating, or even failure of the …
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MOSFET Safe Power-Up Sequencing
When building electronic circuits, especially with MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors), it’s crucial to follow a safe power-up sequence. Without it, you risk damaging your components due to incorrect voltage application. In simpler terms, applying power in the wrong order can lead to MOSFETs turning on unexpectedly or other delicate components getting fried. The Problem …
Low Voltage Smart Speaker Power Design: A Beginner’s Guide
The Problem : When working on a low voltage smart speaker project, one common issue is an unstable or insufficient power supply. This problem often occurs when the power source can’t provide enough current to run the speaker consistently. As a result, your smart speaker may not function correctly or may turn off unexpectedly, …
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MOSFET Noise Immunity Tips for Beginners
When working with MOSFETs in your electronic circuits, you might encounter unwanted noise or interference. This can cause erratic behavior, like unexpected switching or malfunctioning. It’s a common issue that can easily be fixed with the right approach. The Problem : MOSFETs are sensitive to noise from power lines or nearby components, especially …
SMPS Input Filter Design Guide: A Beginner’s Approach
When designing a Switched-Mode Power Supply (SMPS), one crucial aspect that often gets overlooked is the input filter. This filter is essential for smoothing out any voltage spikes or noise from the power source, ensuring that your circuit gets stable power. Without an input filter, you might face issues like erratic behavior, noise, or even …
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Reverse Polarity Protection for LEDs: Simple Fixes & Tips
When working with LEDs in your electronics projects, one common issue you may face is reverse polarity. This occurs when the positive and negative wires are connected incorrectly, which can damage your LED and cause it to fail. Thankfully, it’s easy to fix this problem with a simple circuit modification. The Problem : …
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MOSFET High-Side Driver Design – A Beginner’s Guide
When designing electronic circuits, one common challenge you might face is driving MOSFETs, especially in high-side applications. Simply put, a high-side driver is needed when you want to switch a load between a positive voltage and ground, but the MOSFET needs to be placed on the high (positive) side of the load. The Problem …
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MOSFET Current Limiting Techniques for Electronics Enthusiasts
The Problem : When working with MOSFETs in your electronic circuits, one common issue is the risk of excess current, which can damage your components, particularly MOSFETs, LEDs, or other sensitive devices. Without proper current regulation, the MOSFET can overheat, burn out, or lead to circuit failure. Managing current flow is essential to ensure …
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SMPS Efficiency Testing Methods: A Simple Guide for Engineers and Hobbyists
When working with Switch Mode Power Supplies (SMPS), efficiency is a critical factor that determines how effectively your power supply converts input power into usable output power. As a hobbyist or engineer, understanding how to test and improve the efficiency of your SMPS can save energy, reduce heat generation, and enhance the longevity of your …
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