GreatScott!
Awesome Electronics Tutorials, Projects and How To´s
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Awesome Electronics Tutorials, Projects and How To´s
这是 Youtop 运营的独立目录页面，并非由 GreatScott! 或 YouTube 运营、赞助或认可。 YouTube 官方频道 ↗提交更正你是这位创作者吗？认领此页面
GreatScott! · 发布于 2022年5月15日
Free Altium Designer Trial: https://altium.com/yt/greatscott! Previous video: https://youtu.be/3dArEoLOvzI Diode & Full Bridge Rectifier video: https://youtu.be/46WSCihjoRI Facebook: https://www.facebook.com/greatscottlab Twitter: https://twitter.com/GreatScottLab Instagram: https://www.instagram.com/great.scott.lab/ Support me for more videos: https://www.patreon.com/GreatScott?ty=h In this video we will be having a closer look at active rectifiers. For decades we have been using full bridge rectifiers to convert our mains AC voltage into a DC voltage that we can then step down to power all of our electronics devices. But the problem is that a full bridge rectifier consists of 4 diodes that come with a noticeable voltage drop and thus power losses. Because of that an active rectifier uses MOSFETs instead of diodes in order to decrease power losses. Does that makes sense? Let's find out! Websites which were shown/mentioned in the video: https://www.nxp.com/docs/en/data-sheet/TEA2208T.pdf https://www.nxp.com/docs/en/data-sheet/TEA2206T.pdf https://www.mouser.de/ProductDetail/NXP-Semiconductors/TEA2206DB1583?qs=TuK3vfAjtkVC%252BjhSfiCAwg%3D%3D Thanks to Altium for sponsoring this video. 0:00 The Problem with Full Bridge Rectifiers (FBR) 1:27 Intro 2:09 How does an FBR work? 3:36 The Idea of the Active Rectifier 4:38 Active Rectifier Controller ICs 5:40 25V AC Comparison Test 6:45 DIY Active Rectifier 7:59 230V AC Power Supply Comparison Test 9:46 Verdict
