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Magnetic Components/Magnetic Core Materials & Structures: Analysis, Comparison & Selection Guide
Electronics / Circuits

Magnetic Components/Magnetic Core Materials & Structures: Analysis, Comparison & Selection Guide

This article provides a systematic guide to magnetic core selection for power electronics, covering key parameters (permeability, saturation, core loss, Curie temperature), comparing materials like ferrite, sendust, permalloy, amorphous and nanocrystalline alloys, and reviewing core structures (EE, PQ, toroidal). It offers engineering recommendations for AC/DC, DC/DC, PFC, and inverter applications, emphasizing frequency matching, loss control, and cost balance. Engineers gain practical reference for choosing cores.

Published on 2025-09-10
Disassembly and Circuit Design Analysis of ZGRL-80 Photography Light
Electronics / Circuits

Disassembly and Circuit Design Analysis of ZGRL-80 Photography Light

The article details a teardown of the ZGRL-80 fill light, revealing false advertising: it lacks PD fast charging despite claims, drawing under 10W via Type-C, and its 80W rating is exaggerated with LEDs consuming about 40W. The analysis covers internal circuitry, battery configuration, and thermal imaging, helping readers identify misleading specs and understand budget device limitations.

Published on 2025-07-03
EG1164 High-Power Synchronous Rectification Boost Module Open Source with 97% Peak Efficiency
Electronics / Circuits

EG1164 High-Power Synchronous Rectification Boost Module Open Source with 97% Peak Efficiency

The article presents an open-source EG1164-based synchronous rectification boost converter module supporting 8–50V input, 8–60V adjustable output, and 219kHz switching. Test results show up to 97.3% efficiency and 287W output at 8A, with potential beyond 300W. It includes schematic, PCB layout, ripple measurements, and component purchasing guidance.

Published on 2025-02-16

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