Tag: SMPS
Understanding SMPS Dynamic Load Response and How to Fix It
Switch Mode Power Supplies (SMPS) are popular in DIY electronics, but they often face dynamic load response issues. When the load on the SMPS changes suddenly, voltage spikes or drops can occur, potentially damaging sensitive components or causing erratic behavior in circuits. The Problem : When devices like motors, relays, or LEDs switch …
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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 Voltage Feedback Design: A Beginner’s Guide
The Problem : Switch Mode Power Supplies (SMPS) are widely used in electronics projects, but maintaining stable output voltage can be tricky. The feedback loop is critical—it regulates voltage by comparing the output to a reference and adjusting accordingly. If not designed properly, it can lead to voltage fluctuations, inefficiency, or even circuit failure. …
SMPS Low-Power Mode Optimization: Boost Efficiency and Save Power
The Probelm : Switch Mode Power Supplies (SMPS) power many devices, but they often waste energy when running in low-power or standby mode. This happens because the control circuit keeps switching even when the load is minimal, leading to unnecessary power loss. The Solution : To fix this, you can optimize the …
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Optimizing Low-Power Mode in SMPS: A Simple Guide for Hobbyists
The Problem : Switch Mode Power Supplies (SMPS) are efficient when powering devices but often consume unnecessary power in standby or low-power mode. This is a common issue in battery-powered systems where even a small current drain can reduce battery life. High standby current can also heat up components and shorten the lifespan of …
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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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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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SMPS Voltage Drop Mitigation: Easy Fixes for Hobbyists and Engineers
When working with Switch Mode Power Supplies (SMPS), you may encounter an issue known as voltage drop. This happens when the voltage supplied to your circuit is lower than what it should be, often due to components like capacitors or wiring causing resistance. For electronics hobbyists, engineers, and prototypers in India, understanding and fixing voltage …
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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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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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