Every Component of a Switch Mode Power Supply Explained

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ElectrArc240

ElectrArc240

Күн бұрын

In this video we go through every component of a modern switch mode power supply taking a look at their function. The first half of the video is dedicated to understanding how inductors are used in these circuits, as these are the beating hearts of power supplies. The second half of the video runs through each component, with increasing complexity, highlighting their position in both the schematic and the physical circuit before delving into their purpose.
What happens when:
0:00 Introduction
0:31 Evolution of switch mode power supplies (1980-2022)
1:47 Using inductors to store and release energy
3:40 Using inductors in a switch mode power supply
9:47 How inductors keep shrinking
11:35 Introduction to circuit analysis
12:00 Simplest possible SMPS
14:31 Output indicator LED
14:49 Additional output filtering
15:19 Output capacitor bleeder resistors
16:01 MOSFET source current shunt resistors
16:37 Input filtering
17:52 Input protection
19:54 Class-Y capacitors
20:35 Snubbers
21:47 Additional components (controller)
22:06 Conclusion
22:40 Outro
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Пікірлер: 1 000
@electrarc240
@electrarc240 19 күн бұрын
Hi everyone, I've had several comments about the lack of a section going through the controller circuitry, this was intentional in an attempt to keep the video simple and digestible by focusing only on the "power" components. There will be videos coming soon on PWM control and MOSFET gate driving, though I should have mentioned this in the video and still given a brief overview of the circuit, so sorry about that. Thanks for all the nice comments!
@iancallow3364
@iancallow3364 19 күн бұрын
I'll look forward to those. As an electronic engineer (a while ago) dealing with the digital stuff I was always a bit concerned that I didn't know enough about switched-mode supplies so this was great. Would love to see how the MOSFET switching frequency is determined and then implemented though. Great work 👏
@Budreaux1973
@Budreaux1973 19 күн бұрын
Yeah, I was just about to ask about that. I look forward to the videos explaining those parts of the SMPS circuit. I do hope you will continue to use the same power supply from this video to explain those topics; you know, to keep the continuity (wait, does that count as an electronics pun). Thanks for the the clean and clear explanation.
@glowpon3
@glowpon3 18 күн бұрын
Well done, I came looking for someone else asking about the control circuit and found this. Looking forward to the sequel. Well done otherwise.
@electrarc240
@electrarc240 18 күн бұрын
@@Budreaux1973 Certainly does count as a pun :) I probably won't use this to be honest as I want to be able to show live demos which is a lot easier with a custom system, I may show this at some point though.
@Conservator.
@Conservator. 18 күн бұрын
10:21 Nice shoes! 😉 On a more serious note: Really excellent explanation of the fundamentals of an SMPS. I’ve watched many (too many tbh;) videos with the same topic and yours is the best, by far I may add. Thank you!
@craigchamberlain
@craigchamberlain 19 күн бұрын
I'm a 50+ year old electronics graduate and lifelong hobbyist and I have to say this is one of the very best explainer videos I have ever seen. I know how switch mode PSUs work but I still felt as if I learned a lot due to the approach taken. You are a natural educator with an engaging personality, eloquent and clear delivery, and an enthusiasm that shines through. Stripping the circuit back to basics and using the mechanical spring analogy will help a lot of non EEE folks grasp this topic. This is the first video of yours that I have watched but it certainly won't be the last. Keep up the good work, and thanks! 🙏
@nakfan
@nakfan 19 күн бұрын
Totally agree 👍
@tcuster55
@tcuster55 19 күн бұрын
I'm very new to all of this. I feel like I got a grasp of the basics.
@CraigAB69
@CraigAB69 19 күн бұрын
I did electronics way back in the late 1980's but never really understood all of it. Video's like this help the understanding.
@electrarc240
@electrarc240 19 күн бұрын
Thank you so much! Reading feedback like this really makes it all worth it :)
@mokoepa
@mokoepa 18 күн бұрын
my first video of his as well. First of many
@rose-ey6ct
@rose-ey6ct 19 күн бұрын
As a 76 year old electrical engineer, I found this Brilliant!
@electrarc240
@electrarc240 18 күн бұрын
Thank you!
@kimarcher6198
@kimarcher6198 2 күн бұрын
Brilliant was my feeling throughout the video. Your pedagogic style is effective and empathetic. I hope academia takes note.
@MrMightybright1
@MrMightybright1 3 күн бұрын
How many years I have been looking for someone to just plain and simply walk through a circuit like this. Thank you.
@carlosanvito
@carlosanvito 19 күн бұрын
I really like the way you built up the schematic by starting with the basic layout and then adding components to describe the complexity. By so doing, you effectively started with the foundational components and built on that. Well done!
@electrarc240
@electrarc240 19 күн бұрын
Thank you! It took a while to edit it all nicely but was definitely worth it.
@Conservator.
@Conservator. 18 күн бұрын
@@electrarc240All that scripting, recording, re-recording and editing is much appreciated! I’m looking forward to the video where you’ll explain why those GaN power supplies can be so small yet powerful. (In due time)
@user-bh6ey1ke4n
@user-bh6ey1ke4n 17 күн бұрын
@@electrarc240 Maybe the things omitted in your narration, such as the optron and control chip, are also worth explaining. I've got a broken led strip driver and already blown a USB scope and a PC it was coupled with in trying to make the driver work, but I still have many unblown things to blow (throwing the driver into trash would solve the problem, but such a simplicity is for losers), so I must learn every aspect of the SMPS before I run short of unblown things. And your video is the best I've seen before in that respect. P.S. I'm even less English guy than that wantan3_6_0 dude from the other comment is, but yet hope the letters written above are at least resemble proper English.
@adamboggs4745
@adamboggs4745 15 күн бұрын
​@@electrarc240very nicely done! Only suggestion I might have is that the black on green is tough to see, so maybe think about some higher contrast colors or just black and white. Otherwise loved the content!
@2ndfloorsongs
@2ndfloorsongs 8 күн бұрын
Yes, that gradual buildup from simple to real of the schematic was an excellent teaching tool. And I found out I didn't know as much about switching power supplies as I thought I did. 😁... But I do now! (almost) But really, great job, you're an excellent teacher.
@charithdayantha
@charithdayantha 12 күн бұрын
This is the only video i have ever watched fully clearly explain all the components of the switch mode power supply in my life.
@jerseyjeeper1575
@jerseyjeeper1575 14 күн бұрын
That was the best explanation I’ve ever seen in decades of being a tech.
@Oktokolo
@Oktokolo 9 күн бұрын
I wonder how the control circuit looks like and works. The whole thing is just a brick without it.
@jerseyjeeper1575
@jerseyjeeper1575 9 күн бұрын
@@Oktokolo yes, he should follow up with that for people.
@MrWirebrain
@MrWirebrain 5 күн бұрын
I’m almost 70 years old and I’m industrial electronic technician. I found you to be a genius. Thank you very much. Joe
@TheArtofEngineering
@TheArtofEngineering 19 күн бұрын
As a ham radio op….. those “annoying” emc components are a thing of beauty!!!! This was probably the best explanation of SMP PSU’s I’ve seen - bravo!
@electrarc240
@electrarc240 19 күн бұрын
Wow thank you so much!
@baccusthedrunken
@baccusthedrunken 18 күн бұрын
@@electrarc240it really is fantastic to have RF quiet devices
@ScatManAust
@ScatManAust 18 күн бұрын
You beat me to it, personally I reckon they are the most important side of things. Ham here too and its all the cheap n nasty consumer electronics out there that is destroying my hobby. Currently have a neighbor with 5x split systems and any one of them wipeout all of my operating bands.
@monad_tcp
@monad_tcp 17 күн бұрын
I remember when I was trying to make a simple clock circuit for a 10Mhz CPU , I didn't knew about PLL and it became an antenna "by mistake". Thank god nothing important is at 10Mhz, right ? (well, it was just a 1w signal)
@spvillano
@spvillano 16 күн бұрын
Yep. Used to repair a lot of SMPS supplies to component level. Used to see filter caps fail a lot and occasionally, pop the zener reference or optocoupler in the feedback circuit, which would then allow the drive to runaway and increase output, failing additional filter caps. A good curve tracer could save the day if the zener was starting to fail, the rest it was simpler to replace the filters than to run around disconnecting the filters and checking ESR. The cost per component was cheaper than the man-hours spent testing them anyway. Never had anything in the snubbers fail, did have the EMI caps occasionally fail. Loads of techs had trouble figuring out how these rather simple circuits worked and failed. Interestingly, those that couldn't figure them out also couldn't figure out a PLL. That caused me to joke that they were refractory to proper feedback.
@FirstLast-vr7es
@FirstLast-vr7es 10 күн бұрын
This type of explanation is what I need to see. Often, an instructor just buries you with theory. It becomes overwhelming, and my brain just turns off. Thank you for taking the time, and I welcome further videos.
@nater3796
@nater3796 5 күн бұрын
I've always felt buried- but knew it was simple and this guy knows how to explain it!
@wantan3_6_0
@wantan3_6_0 20 күн бұрын
I am what people normally called "dumbass with a tool's " its means I have or can have any tools but to stupid to do anything with it. so I'm just poke something around until it's either broke or blown. your video and explanation are really godsend to me because English are not my mother tongue yet I can follow what you are explaining...keep up the hard work man....
@electrarc240
@electrarc240 19 күн бұрын
Wow thankyou very much! I try hard to avoid using the long "show-off words" that I find to be very common place in engineering because I'm not trying to prove anything I just want as many people to understand these cool things as possible!
@ihavecojones
@ihavecojones 19 күн бұрын
Yeaa... :( i feel you bro...
@woodstream6137
@woodstream6137 8 күн бұрын
I'm with you. Love math and science, finished my trig book on my own ahead of the class, used to be able to solve basic electric diagrams. Can't solder a wire to save my life.
@JJFX-
@JJFX- 7 күн бұрын
​@@woodstream6137Throw the conical tip that probably came with your iron in the trash, get a few sizes of compatible bevel tips and thank me later.
@TheLiverX
@TheLiverX 2 күн бұрын
I sat through watching the circuit building up for 20 minutes and I feel I could watch it for another 20 minutes as I've never got lost anywhere. That is one impressively easy and coherent explanation.
@earthoid
@earthoid 4 күн бұрын
I'm a 77 year old retired electrical/electronic engineer and my education was obviously back in the days of poorly written books, chalk boards (as classroom visual aids), and sliderules. I couldn't have imagined the ways we teach nowadays, and I am so impressed with the way you described this power supply by starting with the basic circuit and then explaining why all the extra parts are needed. Excellent!
@FOH3663
@FOH3663 4 күн бұрын
Exactly Some of my early education over AC theory involved WW2 era 16mm films! Black and white classified training films using billiard balls on sand to illustrate conductivity, current flow and valence shells! This material here is sensationally well executed. I don't believe I've encountered a better, more engaging approach than this. Superb Considering how for we've come, imagine what's right around the corner. Thank you Much appreciated
@FOH3663
@FOH3663 4 күн бұрын
Bravo! Where were you back in the 70's when I needed you? Impressive. Refreshing.
@spiculum1836
@spiculum1836 19 күн бұрын
As a computer engineer and power engineer, I liked your explanations and demo of increasing the frequency so that you can reduce the inductor size but with limits due to the heat, spillage in your case 🙂
@Meko007
@Meko007 13 күн бұрын
It's been almost 50 years since I sat in a classroom and had one of the best instructors at the Sears Technical College explain the new switching power supplies most new portable tv's would be using. He used a blackboard to do the same type of visual association of circuits that he was lecturing on. You have the same dedication and enthusiasm and have earned my respect! Keep up the good work.
@electrarc240
@electrarc240 12 күн бұрын
Thank you!
@BrunoPOWEEER
@BrunoPOWEEER 13 күн бұрын
Wow I’m an electronics guy and this video is a masterclass for anyone interested in learning and understanding electronics! Saved here and will be sending this link to lots of people when trying to explain something. Very very easy to digest, amazing
@electrarc240
@electrarc240 12 күн бұрын
Thank you very much!
@TheGodpharma
@TheGodpharma 20 күн бұрын
I think if you watch a few Big Clive videos you'll see that there is an alarmingly large number of appliances from dodgy parts of the world with poor or non-existent isolation!
@grabasandwich
@grabasandwich 20 күн бұрын
This is the first thing that comes to mind with modern electronics. All these huge corporations trying to continuously cut costs in a race to the bottom, and what suffers? Safety, reliability, customer satisfaction. But they only care about quarterly profits. It's disgusting what the world has become.
@electrarc240
@electrarc240 19 күн бұрын
@@grabasandwich Completely agree, it is very unfortunate. There are still plenty of high quality products being made, just not for consumers as we just aren't worthy...
@Conservator.
@Conservator. 18 күн бұрын
Watch DiodeGoneWild videos about USB chargers that are ‘dodgy’ and ‘super dodgy’. If you like BigClive and this channel, you’ll probably like DiodeGoneWild too. Let me know if you do ;)
@SwapPartLLC
@SwapPartLLC 17 күн бұрын
I got a nice jolt from the plug of a fluorescent light fixture a few years ago. I touched the prongs right after I unplugged it. I made sure not to do that again.
@electrarc240
@electrarc240 17 күн бұрын
@@SwapPartLLC I always find myself doing this to check PSUs when I unplug them, definitely not wise as you say haha
@MaqsoodAlamShafiq
@MaqsoodAlamShafiq 18 күн бұрын
The best explanation of SMPS I've ever seen so far.
@Conservator.
@Conservator. 18 күн бұрын
Same here!
@electrarc240
@electrarc240 17 күн бұрын
Thank you!
@shadowwolf225
@shadowwolf225 19 күн бұрын
I've studied and worked on electronics for the last 20 years and this video finally clicked in a couple of concepts that had been banging around in my brain for years regarding smps. Hands down the best switch mode power supply video on KZfaq. Subbed
@electrarc240
@electrarc240 18 күн бұрын
Wow thank you very much! Glad I helped fill in those pesky gaps
@ThomasKundera
@ThomasKundera 18 күн бұрын
From what I remember from my electronic studies, I have the impression we spent too much time on manually analytically solving circuitry, spending hours on differential equation solving on very trivial circuits (one transistor, a capacitor and two resistor is enough to make it quite hard to solve), a thing that is way better done by computer software simulation, and not enough on this higher scale functional diagram like in this video, that seems actually way more useful to actually understand stuff 🙂
@electrarc240
@electrarc240 17 күн бұрын
@@ThomasKundera As a current student I couldn't agree more, it's such a shame
@trippmoore
@trippmoore 11 күн бұрын
​@@ThomasKundera I saw the reference to diff eq and I had a flashback to the nightmare that course was in college as an undergrad studying computer science. I did fairly well in all my other mathematics classes but I could not wrap my head around DE and I failed the class my first time take it. i'm not even sure how I (barely) passed when I took it again the next quarter. I think it was so traumatizing that my brain has blocked out all memory of those classes. I'm feeling anxious just writing this and its been like 25 years since I graduated. ugh.
@judasdedalosson8105
@judasdedalosson8105 7 күн бұрын
I have learned more within 20minutes of watching this video than I have learned in 20 lessons in electronics class. Great video!
@BariumCobaltNitrog3n
@BariumCobaltNitrog3n Күн бұрын
Yeah and I learned more about fluid dynamics from taking a shower than 4 years of physics at the university. This was a refresher course for people that already knew what these components are, how they work and why they are in the box. It was enjoyable because instead of giving a test, he just read all the answers and you recognized what he said. Nothing new, just well presented. He left out a lot.
@davidrichard1744
@davidrichard1744 19 күн бұрын
I have been an electronics enthusiast for 10 years now focusing heavily on SMPS design things although your analogies where very helpful, this video is simply brilliant.
@electrarc240
@electrarc240 19 күн бұрын
Wow thank you so much! I'm always a little afraid of "experts" seeing my videos haha
@spvillano
@spvillano 16 күн бұрын
@@electrarc240 meh, most barrels do have two bungholes. Some simply forget that one's for airflow and the other for useful product flow.
@Steamrick
@Steamrick 13 күн бұрын
I really like the way you broke it down to the most simple possible circuit that could work and then added on the extra components sorted by function. That made it far more digestible.
@mahmoudbitar6571
@mahmoudbitar6571 19 күн бұрын
Amazing how you explained the power loss as water leakage, Thanks for the great Contant !
@electrarc240
@electrarc240 19 күн бұрын
Haha I thought of that as I was watching the footage back, it seemed too good to not add in (and pretend was intentional). Thanks!
@magran17
@magran17 16 күн бұрын
BRAVO Sir! I failed out of electrical engineering 30+ years ago. I have a successful career in IT systems, but always wanted to know how the circuits worked. Looks like I have a new favorite place to watch. I send my highest respect from Canada.
@electrarc240
@electrarc240 16 күн бұрын
Thank you very much!
@andymunnings9109
@andymunnings9109 15 күн бұрын
"Know what I like about you, you know about the system and your coherent with your explanation(Very Smart). I like your plan diagram and your input on each device. Know that you are appreciated." 👍
@electrarc240
@electrarc240 15 күн бұрын
Thanks!
@nombreapellido9038
@nombreapellido9038 Күн бұрын
It does my heart good to see a bright young person explaining electronics so well. I started studying electronics since 1983 or so. Yes - we have come a long way.
@saintpou5418
@saintpou5418 17 күн бұрын
I learned more about electronics and circuit design than I expected. So much information packed in this video with simple and comprehensible explanation, great job. Can't wait for the video about how the controller circuit works.
@AmanSinghal-ny3ik
@AmanSinghal-ny3ik 19 күн бұрын
I'm gonna say this , this is probably THE BEST EXPLANATION VIDEOS I HAVE EVER SEEN ! I hope you were my teacher during my school days
@electrarc240
@electrarc240 18 күн бұрын
Ahah thanks a lot I really want to be a teacher one day! Maybe that day has already come 🤔
@midnightng
@midnightng 18 күн бұрын
All of the other comments are spot on. Just wanted to say thank you for exceptional content. One of the best electronics explanations I've ever watched, and I've watched hundreds, if not thousands!
@electrarc240
@electrarc240 17 күн бұрын
Wow thanks so much!
@Shestadia
@Shestadia 18 күн бұрын
2 years ago I had a strong curiousity about phone charger and also was looking to diy one solar DC charger and ended up deep in the rabbit hole trying to understand these. I always thought I should have wrote a blog post to analyze what I learned and share also but never did so I'm glad to stumble on this amazing refresher better than anything I would have written! Thanks
@Ticks_and_Chaos
@Ticks_and_Chaos 11 күн бұрын
From Here.
@malware_in_tn9008
@malware_in_tn9008 10 күн бұрын
Extremely well made, thorough, well-spoken, good order, good background info to prime us. I’ve seen very few instructional videos better than this. Kudos.
@DannyWilliamH
@DannyWilliamH 19 күн бұрын
Maybe the best explanations I've ever seen regarding these components and systems. Earned a sub.
@electrarc240
@electrarc240 18 күн бұрын
Thanks!
@zachreyhelmberger894
@zachreyhelmberger894 12 күн бұрын
WoW!! I knew the basics of switching supplies but this was quite thorough examination of essentially all the components of a commercial supply! I learned a lot!
@miguelzavaleta1911
@miguelzavaleta1911 Күн бұрын
The way you started with the most fundamental components in your schematic and built up the complexity was simply genius!! What a clever way to go about it. As somebody who spends a lot of time drawing electrical schematics myself, i can tell you put in a lot of work just into the drawing itself (and obviously into the rest of the video as well). What an amazing video overall. Instant sub. Please keep up the great work.
@electrarc240
@electrarc240 Күн бұрын
Thank you very much!
@Naitry
@Naitry 15 күн бұрын
This is now my essential SMPS explainer, will always point people towards this
@Leonin0
@Leonin0 20 күн бұрын
Please keep it up Awesome content Would love to see the switching ps in more detail
@electrarc240
@electrarc240 20 күн бұрын
Thank you! I'll have a think about which parts are most exciting to delve into
@nasben8855
@nasben8855 20 күн бұрын
More details please thank you
@nasben8855
@nasben8855 20 күн бұрын
@@electrarc240the whole thing from start to finish
@Conservator.
@Conservator. 18 күн бұрын
Just fyi: I recommend DiodeGoneWild videos about SMPS if you want more details. They do however require a bit more knowledge to fully understand than this truly superb video imo.
@cwallner9732
@cwallner9732 14 күн бұрын
This is a work of art! You would have saved lives in EE college
@Drakoman07
@Drakoman07 13 күн бұрын
This was the best circuit explanation video i've ever seen. Please continue on this theme!! You're criminally under-rated.
@challenger2ultralightadventure
@challenger2ultralightadventure 9 күн бұрын
I've been working with electronics my entire life, especially in the Ham Radio world. This was one of the best explanations of how a switch mode power supply works. Bravo, well done!
@markwebcraft
@markwebcraft 20 күн бұрын
This is insanely useful, thanks. I'd love to see more circuits broken down like this.
@electrarc240
@electrarc240 19 күн бұрын
Perfect I have more planned :)
@davenordquist4663
@davenordquist4663 10 сағат бұрын
The circuit he described would break down (well, successfully blow its fuse to isolate) in 1/3000 s. Read an actual GaN FET's manual including the power supply use thing instead. You're welcome.
@user-jw8jn7lh8c
@user-jw8jn7lh8c 20 күн бұрын
would like to see some more detailed explanation about how snubber circuit do what they do, especially how it does so without disrupting the rest of the circuit
@electrarc240
@electrarc240 20 күн бұрын
I'll have a think of a good way to show them in action
@j.p.hendrix4389
@j.p.hendrix4389 16 күн бұрын
@@electrarc240 indeed snubber networks appear to be a black art only few people understand. I've tried sizing RC snubbers in the past, but wasn't really able to find any documentation on them. Felt a bit like trial and error, especially when trying it in a somewhat practical way.
@electrarc240
@electrarc240 16 күн бұрын
@@j.p.hendrix4389 Yes completely agree, they are very mysterious things
@stevenswihart8258
@stevenswihart8258 15 күн бұрын
I agree with the sentiments expressed in the comments. This was a great explanation. A lot of videos will explain things, but the approach you take is unmatched in my opinion. I'm a 50 year old electrical troubleshooter/technician for a fortune 500 company, my focus is in testing the final products we produce, and the processes are very exacting. So I have a really good understanding of all things electricity, both high and low voltage applications. But I learned from your excellent presentation, and can't give you high enough ratings. Please keep up the good work!
@electrarc240
@electrarc240 15 күн бұрын
Wow thank you very much!
@zeltus
@zeltus 14 күн бұрын
I have noticed how power supplies have shrunk over the years, but had no idea how this was achieved. This video has been a great help. Not least because, to school-level me, a transformer is a trasformer - never heard of an inductor before. Thank you.
@stevemawer848
@stevemawer848 14 күн бұрын
I'd heard of an inductor, but never thought that a transformer was one, even though it induces the current from the primary to the secondary. D'oh!
@dontquestionjustbelieve5757
@dontquestionjustbelieve5757 16 күн бұрын
I cant word how many times everything just clicked. such a great video!!
@j.p.hendrix4389
@j.p.hendrix4389 16 күн бұрын
Even though I've been occasionally fixing SMPS's for thirty years, this was very insightful. Would be nice if you'd address the control loop and bootstrap too in a comparably easy to digest format. If you're tempted to do that then try to find a PSU that doesn't integrate everything in a single tiny chip or find a block diagram for the chip.
@frankhodges6734
@frankhodges6734 4 күн бұрын
Hello, I made the first prototype switch mode PSU in the very early 70s for a now, long extinct company called APT at West Byfleet. When I say that I made it, I mean that an engineer gave me a circuit diagram with a box of bits and a lump of plywood to mount it all on. The engineer was entertaining and rather frightened of his creation and would try to get others to turn it on for him, if he failed in finding a sucker he would use a broom stick. At times when he had the thing running, you would get the odd person walking past bang his bench and send him through the roof which, was an understandable reaction; as a capacitor would occasionally explode showering the place with metal foil. One of the few times in my life when I didn’t feel like I was working. Happy days!
@PatrickHoodDaniel
@PatrickHoodDaniel 2 күн бұрын
Love the spring analogy.
@nassim6925
@nassim6925 20 күн бұрын
Welcome back 🎉 Yes we'd love to see what make that charger small in size but more efficient
@electrarc240
@electrarc240 20 күн бұрын
I'll see what I can do!
@bennetting1609
@bennetting1609 20 күн бұрын
Love the content, you really have to see all of the power supplies in person to see and feel the difference. Can't wait for the next video!
@electrarc240
@electrarc240 20 күн бұрын
You really do
@Andrew-iq8zf
@Andrew-iq8zf 13 күн бұрын
Brilliant, absolutely brilliant. A really clear and understandable explanation from someone who has prepared well, with a clear delivery and and engaging approach. Thank you I've learned much today.
@shagreobe
@shagreobe 15 күн бұрын
One of the better explanations of a SMPS that I've seen. Well done!
@tudor2051
@tudor2051 19 күн бұрын
You are very good at explaining, I really liked the real life analogies.
@electrarc240
@electrarc240 19 күн бұрын
Thank you! I like them too
@davenordquist4663
@davenordquist4663 10 сағат бұрын
Good on you! Getting into the garden with buckets and water glasses in your stocking feet! Honorary Cornwallperson!
@ikehsamuelifeanyi4925
@ikehsamuelifeanyi4925 20 күн бұрын
You are simply a genius. I now understood this phenomenon pretty very well.
@electrarc240
@electrarc240 19 күн бұрын
Wow thank you very much!
@Metalliferous
@Metalliferous 11 күн бұрын
One of the best explanations I've come across, thank you!
@tombowen9861
@tombowen9861 10 күн бұрын
Really excellent! step-by step in easily digestible bits with plenty of visuals and graphics!
@philiprogers5772
@philiprogers5772 20 күн бұрын
🥰Loved this video. I've been waiting for a KA Stroud of switch mode power supplies for ages and here it is. Thank you.
@electrarc240
@electrarc240 19 күн бұрын
Thanks!
@inothome
@inothome 20 күн бұрын
Great explanation and I see what you did there, "annoying EMC regulations". Good one! lol
@electrarc240
@electrarc240 20 күн бұрын
😁
@alasdairmunro1953
@alasdairmunro1953 Күн бұрын
That was the best description of a switched mode supply I’ve encountered. Nice one!
@sundars6549
@sundars6549 13 күн бұрын
Superbly brings out the evolution in power supplies,size reduction plus greater power densities achieved etc.
@davenordquist4663
@davenordquist4663 10 сағат бұрын
No, he had one graph that was lovely, but with no particular explanation on what changed.
@nebula9997
@nebula9997 20 күн бұрын
Great video buddy, that was a nice explanation. Could you also do one for how power factor correction works in these power supplies? Thanks
@electrarc240
@electrarc240 20 күн бұрын
Already in the works! Planning a PCB for it though so could be a while
@AaronSchwarz42
@AaronSchwarz42 19 күн бұрын
Thank You :) That was very educational and interesting and entertaining. Nice explanation and good explanation and description of the circuit and functions. Amazing how the density of power supplied have increased over time so much, almost like Moores laws for switching power supplies. Something nice about those old magnetic ones, they last a lot longer, even if less energy efficient.
@electrarc240
@electrarc240 19 күн бұрын
Moores law is exactly what I thought of! Just need a name for this one 🤔
@greatvedas
@greatvedas 8 сағат бұрын
Thoroughly enjoyed your lesson on SMPS. Thanks a lot for putting up this tutorial for us.
@amoghjain
@amoghjain 15 күн бұрын
The absolute best material for smps!! Thank youu so very much for making this video. I loved the intuitive explanations and teaching style!!!
@lukasgayer5393
@lukasgayer5393 19 күн бұрын
This was a LOVELY and nicely done video. But...please, if I may ask - draw your schematics on some white or light background, not "black on green". It is rather hard to see. I´m speaking for myself, of course, since my eyesight is poor and needs a little more contrast.
@electrarc240
@electrarc240 19 күн бұрын
Noted! Thank you
@VoeViking
@VoeViking 20 күн бұрын
Why miss the control part?
@rocktekmetalworker
@rocktekmetalworker 20 күн бұрын
yes, I was hanging on to see what drove the gate on the mosfet...just a timing circuit derived from the smt IC?
@mart43
@mart43 20 күн бұрын
Yes, it is also an interesting part, especially how the chip gets its power from the transformer and how this serves as short circuit protection for the secondary.
@electrarc240
@electrarc240 19 күн бұрын
I decided to leave it out of this video for simplicities sake. I reconned more people would be here for the main power electronics flyback circuit than for control, plus I'm not going to lie control is not my strong suit and I wouldn't have wanted to make any major mistake in my explanation. The control circuit is far more complex to understand in my opinion and I thought introducing things like the tertiary winding may have taken away from the simple overview approach of the video. I will do many future videos on control for example I have a video planned on active power factor correction with boost converter that will delve into PI controllers and more.
@maracachucho8701
@maracachucho8701 17 күн бұрын
For the past few days I've had a little devil whispering to my ear that I don't need to buy a power supply for my project, that I can just build my own. I'm glad I saw this video first.
@electrarc240
@electrarc240 17 күн бұрын
Be careful with mains!
@1960bosman
@1960bosman 10 күн бұрын
This is the best explainer I’ve ever seen on SMPS’s, you have a gift for teaching!
@mdanov
@mdanov 20 күн бұрын
FULL BRIDGE RECTIFIER!!!!
@electrarc240
@electrarc240 20 күн бұрын
Took my full concentration to hold that in when I said it haha!
@mdanov
@mdanov 20 күн бұрын
@@electrarc240 LOL
@50sKid
@50sKid 3 күн бұрын
Thanks for making this video, it was very interesting. I for one would be curious as to why that tiny modern power supply can be so small.
@almightytreegod
@almightytreegod 17 күн бұрын
I’ve been trying to tinker with circuits for the last year or two and so much educational content is either a refresher of the simplest fundamentals or way over my head, introducing a daunting collection of terms and concepts to make an incredibly steep learning curve. This, however, is the best way I’ve ever seen any circuit explained and it’s simply brilliant. Thank you!
@MichaelHoyt-MulticraftTech
@MichaelHoyt-MulticraftTech 18 күн бұрын
Great video! The way you explained each component and what they do and why they are in the circuit in this specific order, was excellent!! Much appreciated!
@brianwood5220
@brianwood5220 16 күн бұрын
I loved the explanation and style of delivery. Well done, you've gained another subscriber today. Thanks for sharing.
@sgiavy5244
@sgiavy5244 8 күн бұрын
Simple enough to understand and to the point, well done
@GavinM161
@GavinM161 8 күн бұрын
Great video, explained really well without getting technical. Good job.
@StefanoBassoItaly
@StefanoBassoItaly 18 күн бұрын
The best explanation of SMPS I've ever seen. You're very talented. Bravo!
@funkimunky1
@funkimunky1 12 күн бұрын
This is my favourite youtube channel now. I really need a break from all the mindless rubbish on youtube which seems to be becoming more of its focus
@electronevice
@electronevice 15 күн бұрын
Great video! I liked your explanation of how to use inductors to do the energy conversion with the spring and the spark - it's so difficult to talk about basic concepts when you learned them long ago, but you did a great job keeping it simple and informative!
@eolhcytoos
@eolhcytoos 13 күн бұрын
Excellent coverage of the topic. Thank you!
@TheElectronicDilettante
@TheElectronicDilettante 9 күн бұрын
You did a great job explaining SMPS’s. Your step by step approach is clear and easily understood. The piece that really made the light in my head come on was how you created the schematic as you described each component. It really made the operation of the power supply almost painfully obvious. Thanks for the video. Luckily, I just happened upon it. I will checkout your channel and I look forward to seeing what else you’ve produced, I’m sure it won’t be disappointing. Thanks again!!
@therealtimmyjimmy1306
@therealtimmyjimmy1306 16 күн бұрын
Your explanations are super clear and informative. Great video! Subscribed!
@onuryorutken5540
@onuryorutken5540 11 күн бұрын
This video is one of the best educational video about inductors and smps. Thank you. I cant wait to look your other videos, water bucket analogy was really brilliant.
@freddo22gold
@freddo22gold 6 күн бұрын
Excellent video, dude! You give a wonderful explanation and get right to the point. I do value the information that you provide. Great job, indeed.
@enricovincenzi98
@enricovincenzi98 19 күн бұрын
Marvellous explanation, my heartfelt compliments and thanks!!!
@electrarc240
@electrarc240 18 күн бұрын
Thank you!
@50-50_Grind
@50-50_Grind 6 күн бұрын
This is amazing! Very well explained and easy to grasp.
@vilicia164
@vilicia164 19 күн бұрын
The best easy to understand explanation I've come across in YT thus far. ❤ thanks
@electrarc240
@electrarc240 19 күн бұрын
Thanks!
@Projects-Management
@Projects-Management 17 күн бұрын
Just want to say thank you very much for the great video you made !!
@jimbob172
@jimbob172 18 күн бұрын
Best video I’ve seen that explains what all the auxiliary components are.
@FutureSystem738
@FutureSystem738 19 күн бұрын
Thanks for that, terrific description- appreciated! Cheers.
@megaohmaudio5963
@megaohmaudio5963 2 күн бұрын
At 10:15 Awesome job with the buckets example! I liked how you layered the two. Beautifully done.
@mrrberger
@mrrberger 13 күн бұрын
Great Vlog. Explaining the modular layout makes it easy for viewers to associate component to family. thx
@deanberglund2332
@deanberglund2332 6 күн бұрын
Thank you for an exciting video explaining the many parts of a power supply and what they do. You explained along with graphics quite well.
@shimarlie1
@shimarlie1 17 күн бұрын
Damn. I have been looking for such a video for a very long time. Thank you and subbed, and liked.
@HasanProd
@HasanProd 19 күн бұрын
This was such an interesting video to watch, even though i knew most of what was explained, the enthusiasm and interest you have resonated in the video and made it all the more enjoyable
@electrarc240
@electrarc240 18 күн бұрын
Thanks! Glad it comes across in video form :)
@garygranato9164
@garygranato9164 15 күн бұрын
thank you for the inductor explanation with 'graphs' !!! excellent
@temmihoo
@temmihoo 16 күн бұрын
I particularly liked the bucket analogy along with loss simulation. Lack of control circuit description should indeed be mentioned and definitely deserves at least one if more videos of similar length. I liked this as first touch of your channel and subscribed immediately.
@alanmolox2095
@alanmolox2095 9 күн бұрын
You explained quite well and restrained yourself from using super-technical terms to help those of us who are not schooled in electronics, to understand these very important facts about power supplies. Thank you sir!
@selectedvideos6180
@selectedvideos6180 11 күн бұрын
Brilliant and simple explanation.
@smichels5117
@smichels5117 19 күн бұрын
Great video! Thank you, and please DO return with more videos as you find time. Excellent work!
@paulbradbury4612
@paulbradbury4612 2 күн бұрын
Wow, keep it up please. I've only watched this one video but I'll certainly be watching the rest if they are anything like as concise and interesting as this one.
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