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Stay updated with the latest trends in power supply technology.
Technical Articles
Browse selection guides, application notes and practical power supply articles. This layout follows the previous WordPress blog structure while preparing space for the larger article library.
Build a practical switching power supply burn-in program, distinguish MTBF from service life, plan accelerated testing, and report reliability claims with defensible statistics.
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Compare switching, module, and LED power supplies, and learn how conversion architecture, thermal design, transient response, and protection affect system reliability.
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A power supply that runs comfortably at 3 A can still demand 20 A or more for a few milliseconds when it is connected. That short event is enough to trip an upstream adapter, open a fuse, pit a connector, pull down a shared DC bus, or reset nearby controllers. Repeated starts also add electrical and thermal stress to rectifiers, MOSFETs, capacitors, and PCB traces.
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A practical workflow for diagnosing conducted and radiated EMI in switching power supplies by identifying the failing frequency, separating differential-mode and common-mode current, tracing return paths, and verifying each fix.
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A flyback transformer is better understood as a coupled inductor. During MOSFET on-time, the primary stores energy in the magnetic field; during off-time, that energy moves to the secondary. That distinction matters. A design can have the right turns ratio and still fail because its magnetizing inductance, air gap, insulation system, or winding arrangement is wrong.
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When an SMPS fails EMC testing, the next change should come from measured evidence—not a default assumption about PCB layout or filters. Learn how to separate noise modes, identify bypass paths and choose the right corrective action.
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