2022-06-19

[public] 222K views, 13.2K likes, dislikes audio only

GreatScott!

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In this video we will be having a closer look at the SEPIC voltage converter. You probably do not know it, but most small Buck Boost Converters are in fact SEPIC converters and for a good reason. I will show you how the SEPIC converter works, why it is "(S)EPIC", how you can modify it with a coupled inductor and how to make a DIY version. Let's get started!

Websites which were shown/mentioned in the video:

https://www.we-online.com/catalog/en/WE-MCRI

https://www.onsemi.com/pub/collateral/and90136-d.pdf

https://www.ti.com/lit/an/slyt309/slyt309.pdf

https://datasheetspdf.com/pdf/1096363/FeelingTechnology/FP5139/1

https://datasheet.octopart.com/IPD088N04L-G-Infineon-datasheet-8434349.pdf

https://www.ti.com/lit/an/slyt411/slyt411.pdf?ts=1654076900096&ref_url=https%253A%252F%252Fwww.google.com%252F

https://www.all-electronics.de/wp-content/uploads/migrated/document/114418/502ag0207.pdf

https://www.digikey.de/en/articles/comparing-coupled-and-uncoupled-inductor-sepic-voltage-converters

https://www.ti.com/lit/ds/symlink/lm2577.pdf

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0:00 SEPIC Converter?

1:54 Intro

2:29 How does it work?

5:20 Advantages of the SEPIC

6:05 Secret Coupled Inductor Hack?

9:21 Which SEPIC should you buy?

9:49 DIY SEPIC