DIY Buck Converter || How to step down DC voltage efficiently
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- Опубліковано 27 вер 2024
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Parts list (for the LM2576 IC, affiliate links):
Aliexpress:
1x LM2576: s.click.aliexp...
1x 100µH Inductor: s.click.aliexp...
1x 1000µF Capacitor: s.click.aliexp...
1x 100µF Capacitor: s.click.aliexp...
1x 1N5822 Schottky Diode: s.click.aliexp...
Ebay:
1x LM2576: rover.ebay.com/...
1x 100µH Inductor: rover.ebay.com/...
1x 1000µF Capacitor: rover.ebay.com/...
1x 100µF Capacitor: rover.ebay.com/...
1x 1N5822 Schottky Diode: rover.ebay.com/...
Amazon.de:
1x LM2576: amzn.to/1W0M7kq
1x 100µH Inductor: amzn.to/1W0MhYZ
1x 1000µF Capacitor: amzn.to/1pVxEHN
1x 100µF Capacitor: amzn.to/1W0Mj35
1x 1N5822 Schottky Diode: amzn.to/1W0Monp
In this video I will show you an efficient and common way how to step down DC voltages. At the end of the video I will also demonstrate how easy it can be to build a buck converter with the help of the LM2576 IC.
Music:
2011 Lookalike by Bartlebeats
I spent hours trying to get my head around buck converters the other night and now you've explained it completely in five and a half minutes. Great job, thanks!
+Carl Alm Thanks for the compliment ;-)
+GreatScott! can you make a tutorial for DIY FLYBACK control by PWM? please
+Carl Alm Yeah same happened with me. I had my project ready but i accidently used adjustable version with no feedback so jumped back to 7805. Now i understood my mistake. Great work +GreatScott!
@@miguelfierrospena6758 It's basically the same, but they are current controlled. That's good because they do limit current well.
the simple way to think about it is that, at high frequencies, the average voltage on one side of an inductor will equal the steady voltage on the other side.
Fast, efficient commentary, nice use of oscilloscope to demonstrate effect of each component and components used named and specified. Beautifully done! Couldn't be better.
I love your ways and methods of teaching. Wish I had a professor like you during my Electronic Engineering days. Short Crisp and well edited videos. Full of information and practical know how... Thank for sharing your knowledge...
I got interested in electronics due to your videos!! Thank you so much! I'm now building an automated robotic arm! :)
You should build a electric car! :D
Great explanation, I really like how you added one component at a time then explained why you added it and what it does to the circuit, most tutorials I've found don't really go into detail on why you need an inductor or a high switching frequency as an example, Thanks.
+vgamesx1 yea defintiely very well structured videos!
Merci. Now you're even GreaterScott because of the French subtitles... Thanks to you and to whoever devoted to do it. It's just perfect.
thanks for the oscilloscope portion , it was helpful to see why we need better regulation for sensitive projects
I didn't know much about electronic, but now I have watch your videos in about 5 months and I learned something. Thank you Scott for making UA-cam a better place (:
Definitely the best explanation of how the various parts contribute to the buck converter, that I've ever heard.
when I first started watching your videos I could barely understand anything............but now I see a huge improvement in my understanding of electronics........ thanks man!!
+Sumit Aggarwal Awesome
+Sumit Aggarwal I agree! Great video! Thx GreatScott!
I have legit learned soo much from watching your videos over the years , I had no idea I was learning as much as I was , until I found my self predicting the next components you where gonna use ... I have no formal education on electronics , just UA-cam and tinkering my self
To novices who are scared of Switched-mode your explanation made things really clear and easy to understand.
May I say thank you for your wonderful video. I don't know much about oscilloscopes but may God keep giving you the tools you need to be able to teach us. Thank you very much
GS..I used to know IC chip names by Heart and By the Family...watching your channel has brought back the inner geek in me.
Ofcourse I go searching for a good video to diy and it's a great scott video as usual. Keep up the good work and helping the world with knowledge
Great video! One of your best yet. haven't found many short and to-the-point DIY buck converter videos on UA-cam. They're usually split into 5 parts and never get around to building the circuit.
you are just awesome man! just perfect. I am a student of electrical engineering in Pakistan (Asia). But unfortunately, we aren't being taught these things here. Just bookish crap. I wish I could work with you. I make small projects in my house. I love it. but I will die to learn all the knowledge you have got.....! love you sir!
What happened to "Let's get started"?!
Lol
+barnstormer322 I tougth the same!
+barnstormer322 I like it more than "lets figure it out!"
yeah, bit less of a mouthful :L
barnstormer322 And sounds better with his accent
Very nice buck SMPS tutorial. Short and clear. Right on point.
250000 SUBSCRIBERS!!!! congratulations!!!!! great(scott) work!
please please please boost Coverter next!
Hi great scott! I am 14 years old and as usual it is again an awesome video. keep up the good work. GREETINGS FROM INDIA
I am so new to building in this fashion, but I personally wanted to say TY for being So Descript about parts used and thee list of parts and where to get them Again THX So Cool Man!Keep it up And Please Make More Videos!
Your handwriting is awesome
After watching this about 10 times I actually understand this properly
Simply genuis thanks for all your videos yr friend from morocco
big fan of you and your way of work and let us learn. thumbs up
Spent the whole video drooling over that oscilloscope.
I understand.
I have no idea what he's talking about every video. But for some reason I still watch the videos xD
It is a very good video, very useful with great explanation. Keep up this quality and I can't wait to see your upcoming episodes.
Nice, the old intro. I like it.
an step up converter will seem like the next video i will liked
I see you have a 500mhz oscilloscope. Oscilloscopes are cool. I been a technician for over 40yrs. I purchased a Dual trace Sencore. Waveform anylyzer reburbished. For $1,000. Retail on one of these is $3,450. It has a bandwidth to 65mhz. Usable to 100mhz. The scope you are using looks awesome. Nice video.
I am a complete rookie trying to figure out how to step down voltage for my 12V camper van lighting. Sounds like a buck converter is what I need. Why is it better than just using resistors? Thanks for making this video.
again...... no idea what you're talking about, but I liked the video. You're very good.
Really nice, think I'll use this in my next project instead of a 7805
Its been 7 years now i'm watching again
Wow you have an KEYSIGHT MSOX3054T oscilloscope! Jesus, that bad boy costs like 15.000 $
I was just thinking the same right now
That's why he mentioned his patreon account at the end 🙂
It seems so beautiful isnt it :)
I always learn something from your videos, I just wish I would do 1/100 of what you can... I lack good solder skills and end up burning smaller parts rather than solder them... Cheers Mate, great Video as always....
Wow, that oscilloscope looks SUPER cool. I wish i could afford one of those for my silly projects.
Cool, this is the first time I really understood how switch mode PSUs work. Keep up the Great Work :)
Amazing explanation, You are Great Scottt!
Am I the only person who wanted to see him actually make the arduino logic to provide a stable output? I know its complicated but that would be an extremely cool learning resource!
When did you get that new oscilloscope?!?
+AL_O0 ᶜᴼᴹᴹᴬᴺᴰ ᴮᴸᴼᶜᴷ ᴬᴺᴰ ᴿᴱᴰˢᵀᴼᴺᴱ Around 2 months ago.
+GreatScott! Really? I didn't notice it!
+GreatScott! But 10.000€+, isn't that quite expensive? xD
Po130
Keysight sent it to me to support the show. Follow me on social meda, I posted it there a while back.
+GreatScott! Urgh, got me. Shame on me. Will follow you ASAP! And thanks for the fast reply! :-)
Just supported the patreon, liked all videos and subbed
damm!!! this man knows what he is doing ****thumbs up (y)
I learned that ICs are really helpful by simplifying your circuits lol
Do you think you would make a version of this video but for boost converters too? I found this quite helpful but it seems half done without covering both buck and boost converters. Other than that, good job on the video; I found it easy to understand.
+BoomBrush Boost will follow
+GreatScott! A booster from 3.7V to 5V :D
I think of them as a solid state DC to DC transformer. They make a lot of surplus power head adapters usefull.
You are a master of movie editing!
You are a master of mustache editing!
Such an excellent teacher, amazing videos
Thanks mate :-)
Dude you do a great job of breaking these things down, explaining them. Would/could you consider doing a vid on self excited generator. Think you’d find it interesting. Thanks again
I love buck converters for powering motors In robotics projects
GREAT TUTORIAL AND DEMO...... GOOD JOB.....
I like the new oscilloscope.
Your videos are always good, I notice most of the time Europeans are more intelligent. On many American videos I notice many things repeated that are not correct and many people doing things wrong. Most of the time when I find a European doing it they clearly have an understanding of what they are doing and add no nonsense.
Beautifully explained.
Well done. Now I better understand how buck converters work.
Him You definitely need to make a video about piezoeletric units, I think that they are awesome, I like so much your videos!!
It's videos like this thst make me miss radio shack.
I assumed you have an EE degree. As a junior undergrad EE I have a couple questions: did you learn most of what you know from school, or personal reading? And what types of (EE) courses would you recommend paying close attention in, to learn actual practical knowledge (to build things like this)? Of course, negating the "all" answer!
Damn, that Keysight scope, one of those days I'm going to earn one. For now I am drinking from a Keysight mug signed by Daniel, not too shabby either haha
+GreatScott! Can you bring "Lets get started!" Back ?
Thank you very much just what I needed :)
I used an arduino to open/close my car using my phone (new project in your channel??) but my problem was the power I did not want to use linear voltage regulator so I looked into the buck converter and they are awesome !!
thank you for your video it makes my sunday better.
I am AbdulRhman and I am from Saudi Arabia :)
Like Jimmy Hendrix... You're a left handed mother f*cking genius. Great video mate. Thanks.
This was the tutorial I needed, thank-you!
I'm no expert on this topic but I did read a caution about using buck converters in projects that use RF because the coil in the buck causes ripples which can interfere with RF.
THAT IS AN AMAZING OSCILOSCOPE!! ♥
Awesome video, like always. Greetings from COlombia! :D
Please do a boost converter next! This was awesome!
Great, simple explanation (this guy is way smart), thanks! (And saved me @ 2:15 from destroying my SENSIBLE electronics. LOL.)
thanks! i needed it hahaha i was building an rc hand launch glider and the lipo was 7.4v, so i needed a 5v ubec.
Fantastic presentation!
hey Mr Scott
great video as always but
I might recommended that you would complete the arduino buck converter but although a very nice high quality project keep up the good work
2:55 "an electron acts as a curse"
Sir please read this. I am a really very big fan of yous. I like the way u do everything i mean u just do everything so easily. Sir can u please make some like Ironman tech like his helmet or its other parts. Please reply me
Very cool! It's perfect for my solar-powerbank project!
you make some of the most awesome videos about electronics on youtube...... I admire you ..but can u do a video about CNC router machines . It would be great help
awesome production.
thanks sir Scott for this Amazingly Helpful videos
Great insight into buck converters. Well done !!
I really enjoyed the way you stepped us through the development of the circuit - very well done. Having checked out your other posts I can see I'll learn a lot here. Subs +1.
Cool, now let's try to achieve up from 90% efficiency!
Very great video, thank you alot, I really do not understand the 6 dislikes !!!
Great project and explanation!
The video is just awesome but please suggest a circuit for handling 15V to 20V at 25A to 40A input and output at 12V/24V fixed.
what is wattage rating for this buck converter
Modern converters can reach efficiency up to 98%. Insane.
Add some filtering to your converter. This bare circuit generate huge radio noise.
Thank you. Your videos are very helpful
your videos are awesome
Awesome video man, keep up the good work! :)
+GreatScott Awesome video as always, its definitely worth supporting you through patreon, thank you for all of the hard work you put in.Vielen Danke
Just what I needed it! thanks a lot!
this is an awesome circuit men maybe i could hook up this circuit to my battery and charge up my phone right . . . . . can you follow up this video with a adjustable buck converter in that case i will be very happy to see your projects . I like it .
lovely scope!
Great video! And that's a nice scope
As far as I know, MOSFET does not just switches, but can provide adjusted value. So why don't you filter the square wave on the logic level? I ask this, because I wanted to build a constant current load with this method some days ago, but could not get it work yet.
Nice video, what IC is identical to these but in boost converter mode. I want to step-up 5V to 12V
Thanks for the video, looking forward for the booster one! However, I think the switch to usage of the new IC (if I understood it correctly) in the video was a bit abrupt, a simple mention about what new IC does (pretty much the same, it seems, as you used the same components, but more efficient) would be really nice.
that scope is the bees knees
Like the explanations of what the components do and the reason behind their usage, goes a bit fast for me though