Tag: electronics prototyping
MOSFET Thermal Impedance Tips – Stay Cool, Stay Efficient!
The Problem: Overheating MOSFETs MOSFETs are essential in power electronics, but if they get too hot, they can fail silently or catastrophically. The root cause is thermal impedance—how well the MOSFET dissipates heat from its junction to the environment. Without proper heat management, even a low R<sub>DS(on)</sub> MOSFET can reach dangerous temperatures during …
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SMPS Output Filtering Tips for Clean Power
Switch-mode power supplies (SMPS) are highly efficient, but they often produce unwanted noise or ripple at the output. This can interfere with sensitive components in your projects. The good news is that output filtering can reduce these disturbances and give you clean, stable power. 
The Problem : When an SMPS operates, it …
SMPS Component Derating Guide for Indian Prototypers
The Problem : When designing a Switched Mode Power Supply (SMPS), component derating is essential to ensure reliability and longevity. Derating means using components below their maximum rated limits to avoid overheating and premature failure. For example, if a capacitor is rated for 50V, operating it at 40V or lower improves durability. The …
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SMPS Thermal Modeling Techniques: A Beginner’s Guide
Power Supply Units (SMPS) are vital for powering electronics, but managing heat is crucial to ensure their longevity and efficiency. As an electronics hobbyist or engineer, understanding SMPS thermal modeling can prevent costly mistakes. Let’s break it down simply. The Problem : SMPS units, when running high power, tend to generate a lot …
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Low Voltage Fitness Tracker Power Supply – The Key to Efficient Performance
Fitness trackers are amazing tools for monitoring health, but when the power supply doesn’t meet the required voltage, they can malfunction. One common issue that electronics hobbyists and engineers face is low voltage supply, which leads to erratic sensor readings or device shutdowns. This is particularly important for devices that rely on low power, like …
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SMPS Output Capacitor Selection: A Beginner’s Guide
The Problem : When designing or troubleshooting SMPS (Switched-Mode Power Supply) circuits, one common issue is voltage instability or noise at the output. This can cause unreliable performance, like flickering LEDs or erratic behavior in sensitive components. The root of this problem is often the wrong output capacitor, which fails to smooth out voltage …
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Low Voltage Smart Lock Power Design: Solving the Common Power Challenges
When designing a smart lock, power efficiency is key. These devices often operate on low voltage systems (typically 12V or 5V), which can pose challenges when it comes to reliable power supply and component longevity. If you’re a hobbyist or an engineer, you might face issues like sudden power loss, erratic operation, or overheating components—especially …
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SMPS High-Power Design Reference – A Simple Guide for Hobbyists and Engineers
Power supply design can be tricky, especially when dealing with high-power SMPS (Switched-Mode Power Supply). If you’ve ever faced issues like overheating or poor efficiency while powering your projects, you’re not alone. But don’t worry; there are simple solutions to make your SMPS work more efficiently. The Problem : High-power SMPS can overheat …
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SMPS PFC Circuit Design – Solving Power Factor Issues for Efficient Designs
The Problem : When working with SMPS (Switched-Mode Power Supplies), one common challenge is dealing with Power Factor Correction (PFC). A poor power factor can lead to inefficiency, waste of energy, and overheating in circuits, which can affect the performance and longevity of your designs. In simple terms, a low power factor means that …
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Low Voltage OLED Display Power Design for Electronics Enthusiasts in India
The Problem : When working with low-voltage OLED displays, many hobbyists and engineers face the challenge of optimizing power usage. OLED displays, known for their vibrant and energy-efficient visuals, can sometimes draw more power than desired, especially when running at lower voltages. This can lead to dim or inconsistent screen brightness, affecting performance. …
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