Tag: resistor
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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Low Voltage PIR Sensor Power Reference – A Quick Fix for Engineers and Hobbyists
The Problem : When working with low-voltage PIR (Passive Infrared) sensors, a common issue is the sensor not receiving enough power, leading to malfunctioning or no operation at all. This happens when the power supply doesn’t match the required voltage or current specifications of the sensor. The Solution : To fix this, …
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Understanding SMPS Component Stress Analysis for Electronics Enthusiasts
When building electronics projects, especially power supplies, understanding the stresses on SMPS (Switched-Mode Power Supply) components is crucial for reliable operation. SMPS designs, while efficient, involve components that are often under heavy stress due to high voltage, heat, and load conditions. Overstressed components can fail prematurely, ruining your project. The Problem : Imagine …
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SMPS Current Sensing Techniques – A Simple Guide for Electronics Hobbyists
Power supplies are at the heart of most electronics projects, and ensuring they run smoothly is essential for prototypers and engineers. In switched-mode power supplies (SMPS), current sensing is crucial to monitor and control the power being delivered to the load. Without it, systems can overheat or become unstable. But how can you manage this? …
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