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The best person often does not get the best views or hearers. I got an engineering degree but all electrical old stuff not much electronic, your channel is the best of all. Electroboom is good but you are a great teacher.
+Texas Instruments I have studied and gone to several lectures on this area, but this 10 minute videos summed it up really nicely :D Kudos +Afrotechmods... keep up the good work :)
I wished Ti would have more reference designs for us newbies on their chips. I mean more reference on variable outputs using digital pots and linear pots would be nice. More references on pass power transistors for more current output too. I always throw together a lm317 circuit for 15 amps or more to test audio amplifiers. I could figure this out but would rather not blow out $200 worth of parts before I get close. And as far as I can see, none of their simple switchers, high amp series chips have any reference for soft start circuits. What's the first thing a newbie going to build? A high amp variable voltage power supply . Make it easier for them and get them hooked on your products and they'll use them for life at what ever company they're working for....
It's sad that none of you guys will do a tutorial video on how to solve feedback loops for compensation networks in switch mode power supplies. You guys always take the easy way out with using devices that have the compensation networks in place. Is it really that hard for people to understand it or is the math too advance that you might scare away people?
It's good that these videos are available and teaching people. I really appreciate the time it takes for yourself and other engineers like Dave at EEV blog, Mr Carlson, Great Scott, and everyone else creating these videos explaining electronic theory.
man i can't stress enough how helpful this was, i've been looking into buck converters for awhile now to step down a solar panel and increase my current to a demanding load. I was on the verge of making my own converter with a self-programmed controller b/c i couldn't find an IC on mouser lol your explanation and guidance to TI's simple switcher saved me a LOT of time...Thank you
This video is great! Because of you I started experimenting with buck converters. I found out that buying individual parts to build your own buck converter may be more expensive than buying an assembled device. I don't mean wholesale quantities, just 2-3 items for my projects.
Although I know what you are talking about, I still want to see all your videos from beginning till the end! Great teaching man! I think Arnold is proud of you
Wish my electronic teacher back in the days would have been as clear and consise as you are, thanks for simplifying.the information with my short attention span..
Man ! U r the best ! U totally rock man...I am a noob and just by watching ur videos I can understand many many things about basic electronics. You explain stuff so easily.. You are the best teacher in RUclips .... Continue to make more videos bro ...!!! Hats off
LOL! OMG! The bit with Arnold Schwarzenegger is EXACTLY how I was starting to feel!! Thanks for making your videos easy enough to follow but not so slow as to drag on indefinitely!
LOL I literally had my mouse on the back button as soon as Arnold came on, impeccable timing. That was the most hilarious moment of my week, thank you! Your videos are fantastic! 4:06
Man i have to tell you, im really into electronics, i was getting very excited as you were showing us the real discrete diagram of a buck controller. Then you showed the easy way, wich is cool, but now i want to know how to build the controller and cant find it anywhere in the internet as nice and well explained as here...
Great tutorial! I'm currently trying to debug a couple of server smps's. Very complicated technology, seems like many components are prone to failure. Your explanation was very helpful. Keep it up!
I've tinkered and modified a few switch mode power supplies to make them produce different voltages (usually higher) than what they originally did, this has inspired me to make my own regulated SMPS based on this. I might make it variable by changing one of the feedback resistors to a variable resistor and see how well that works.
Top Man! Anyone can make a video on buck converters but there aren't many who can do it so well as yourself. Well done and thanks for uploading this excellent video
LOVE IT!!! Too many 'informational" videos that talk about how their cousin taught them when they were 5, how how their dog needs to go for a walk....For an hour. You stay on topic. Thanks. Subscribe.....
Great video Afrotechmods. Buck converters are so much better than linear voltage regulators. I have a homemade portable charger with a usb port that i limited to about 2 Amps and a Buck converter can really do the job. You can also buy cheap buck converters that they install in some cars in Asia for interior lights and stuff on ebay for cheap and they can be a bit more efficient and weatherproof than what you could build from this video. Great explanation about them! 5/5
Don't discount linear regulators too quickly! They have their niche too. Without the switching action of a SMPS, they generally have cleaner outputs. They also don't require inductors, which is very important because inductors are by necessity large and expensive(in a relative sense.) With a low dropout linear regulator, one could achieve reasonable efficiencies by keeping the input to output voltage ratio close, though care must be taken not to come too close to the dropout point. As afrotechmods mentioned, in the range of about an amp or lower one could consider using an LDO, and the total solution size, cost, and output ripple would be superior to any switching power supply.
Being an EE student, I'm actually really interested in hearing more about the crap just before Arnold pops in. I'm hoping my control systems class will help me understand it. :P
Great tutorial, specially when you skipped the boring portion and you showed the actual events in the circuit board. keep going we are subscribed to you. :) :)
Nice job getting the LM267x series to work well on perfboard! Without using snubber networks I could only ever get them to give low output ripple by using a PCB with ground plane lol.
I was pretty impressed that I pulled it off on perfboard too! The huge ceramic caps I used were larger than you would ever need in a commercial design, but they give extra leeway for beginners to make mistakes and still have good performance.
This is an absolute BANGER!! So well made. thanks for the knowledge! Especially the PRACTICAL knowledge. I always struggled trying to learn things by theory alone. Like you said, what you learn in school is garbage in the real world!
Good video. They only flaw I see is the use of solder to conduct current. To me that is always a no-no. Proper soldering technique requires all conductors to be as physically connected as possible with the solder only making up the last microns of conductivity. I've been in electronics repair for almost 40 years, and by far the most common failure I've seen is improper soldering on high power/heat connections such as transistors and power resistors. Never rely on solder to make the physical connection. For this demo, sure it works, but I wouldn't put that into anything I wanted to keep working for years.
Love your videos man! When you started in on the feedback loop I thought my head was gonna explode! thanks for the alternative. I want to understand all that someday...
The LMZ3 series parts are 0 stock in the US until next year The $8 part I'm looking for cost $800 at most places. I was lucky to get a few for $99 each. 😖 So I'm building my OWN supply. That's the reason why I'm even watching these videos.
I was experimenting with 555 step down/step up all you need is mosfet/npn for step-up or pnp/p-mosfet for step down and zener diode+transistor so you pull down reset pin on 555 with transistor (which is pulled up with 10k) voila, you have voltage stabilization maybe tl431 also will work like this if you like my idea
Afrotechmods in the future, could you also include a link in the description? Then I could see it without needing annotations to be on (or on platforms that don't support them!).
If I understand correctly, it draws less current while providing 2A output current (Shown in efficiency calculations). That means, I can use a 12V 2A (24W) common adapter to power 5V 2A (10W) Orange Pi and and 12V 500mA (6W) white LED strip. Correct me if I am wrong.
Seems like you could feed the output of a buck converter at desired DC+max ripple into a voltage regulator to have the best of both worlds: the heat dissipation on the regulator would then just be the RMS of the ripple voltage by the current, significantly less than down-converting from a primary source. And you'd get the smooth DC output you need for sensitive circuits.
Hola soy de México, y me gusta tu canal, aunque aun estoy aprendiendo hablar ingles, aveces tus videos se explican solos con la imagen jeje, saludos y Exito!!!
This is my first video from your channel I've ever seen. When you said, "Or even a crack-head mashing a mechanical switch", it was so unexpected, I laughed so hard I damaged something internally.
LMAO!!!!!!!!!!!!!!! I LOVE the Arnold add in!!!! My friends really wish I would shut up any time I try to explain a circuit to them. lol Also, thank you for clarifying real world vs what one is taught in basic electronics courses. That will save people time and awful smells. Excellent videos for sure!
Good day mate! its really nice to see you around again, you've been a BAM! on my studies thanks for sharing some of your cool projects it helped me a lot to become a little bit advanced in the class ^^ keep up! Jesus loves you man
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www.udemy.com/wireless-power-to-the-people-wireless-charging-101/?couponCode=RUclips
I like Afrotechmods narration feels like watching documentaries not lectures :-)
The best person often does not get the best views or hearers. I got an engineering degree but all electrical old stuff not much electronic, your channel is the best of all. Electroboom is good but you are a great teacher.
Great video on how to build a DC/DC switch mode power supply. And, thanks for featuring TI's SIMPLE SWITCHER buck converter.
+Texas Instruments Glad you liked it. Been using your products for years!
+Texas Instruments I have studied and gone to several lectures on this area, but this 10 minute videos summed it up really nicely :D
Kudos +Afrotechmods... keep up the good work :)
+Texas Instruments i didnt expect that...
I wished Ti would have more reference designs for us newbies on their chips. I mean more reference on variable outputs using digital pots and linear pots would be nice. More references on pass power transistors for more current output too. I always throw together a lm317 circuit for 15 amps or more to test audio amplifiers. I could figure this out but would rather not blow out $200 worth of parts before I get close. And as far as I can see, none of their simple switchers, high amp series chips have any reference for soft start circuits. What's the first thing a newbie going to build? A high amp variable voltage power supply . Make it easier for them and get them hooked on your products and they'll use them for life at what ever company they're working for....
It's sad that none of you guys will do a tutorial video on how to solve feedback loops for compensation networks in switch mode power supplies. You guys always take the easy way out with using devices that have the compensation networks in place. Is it really that hard for people to understand it or is the math too advance that you might scare away people?
Arnold interrupted the best part. Such a buzzkill !
Arnold sure loves killing things.
honestly I almost fell off laughing when Arnold interrupted...lololol big thumbs up
And a suitable slope comp- SHUT UPPPPP! Really Arnold, you are a buzzkill.
What...?
@@aheckers
Basically everyone was saying, You're a buzzkill.............STOP BEING A BUZZKILL
Just when I started to get very, very nervous, Arnold came and saved me.
lol same
It's good that these videos are available and teaching people. I really appreciate the time it takes for yourself and other engineers like Dave at EEV blog, Mr Carlson, Great Scott, and everyone else creating these videos explaining electronic theory.
Glad you like them!
Nicely done! I like that you also give explanations for why each component is there. Thanks for these.
man i can't stress enough how helpful this was, i've been looking into buck converters for awhile now to step down a solar panel and increase my current to a demanding load. I was on the verge of making my own converter with a self-programmed controller b/c i couldn't find an IC on mouser lol your explanation and guidance to TI's simple switcher saved me a LOT of time...Thank you
This video is great! Because of you I started experimenting with buck converters. I found out that buying individual parts to build your own buck converter may be more expensive than buying an assembled device. I don't mean wholesale quantities, just 2-3 items for my projects.
There are some pretty expensive books and people with extensive credentials that can't explain this as simple as you have. Thank you. :)
Although I know what you are talking about, I still want to see all your videos from beginning till the end!
Great teaching man! I think Arnold is proud of you
Wish my electronic teacher back in the days would have been as clear and consise as you are, thanks for simplifying.the information with my short attention span..
Wish all the teachers at schools and universities explained electronics the way you do.
Afro always has the explanation that suits my understanding
Great stuff! I'm learning a lot from your videos. Keep up the excellent work! Loved how you broke it up with occasional jokes, hehe.
Not expected to see you here :D
Oooo u r real ....
Man ! U r the best ! U totally rock man...I am a noob and just by watching ur videos I can understand many many things about basic electronics. You explain stuff so easily.. You are the best teacher in RUclips ....
Continue to make more videos bro ...!!! Hats off
Excellent presentation ! Just remember to add "X 100" when you compute efficiency.
NOW I get it! sorta.
Where can I get a "crack-head mashing a mechanical switch" and what's it's service life?
In my neighborhood. They are everywhere and pretty cheap.
Yea but how long do they last and how reliable are they, and will i have to hide my valuables
Yup. They'll pawn your Fluke multimeter for $20.
LOL Crack-heads, real life zombies!
Lmao!
Awsome work! Understandable, clear and humoristic! Never learnt so easily from a tutorial, never laughed so loud for Mr Schwarzenegger! Keep going!
oste19 Glad you liked it! He'll be back.
yeah, like you got that 69W on accident..
Just today I learned the working of Buck converter... It's pretty easy. Thanks for showing in real world.
LOL! OMG! The bit with Arnold Schwarzenegger is EXACTLY how I was starting to feel!!
Thanks for making your videos easy enough to follow but not so slow as to drag on indefinitely!
LOL I literally had my mouse on the back button as soon as Arnold came on, impeccable timing. That was the most hilarious moment of my week, thank you! Your videos are fantastic! 4:06
Man i have to tell you, im really into electronics, i was getting very excited as you were showing us the real discrete diagram of a buck controller. Then you showed the easy way, wich is cool, but now i want to know how to build the controller and cant find it anywhere in the internet as nice and well explained as here...
Same. If you have found the magic search terms for this, I'd appreciate the info.
hands down, the best buck converter video on YT.
THANKS!
Great tutorial! I'm currently trying to debug a couple of server smps's. Very complicated technology, seems like many components are prone to failure. Your explanation was very helpful. Keep it up!
Excellent series. No BS, no fluff. Just useful info and tricks. Nice Job.
Although, I think you should be charged with "Component Murder".
Good stuff!
Omg thank you!! That means so much to me coming from you!
Afrotechmods
Thanks! It's great to see you back on youtube.
my two favorite utuebs in one place. circle of smarts
I've tinkered and modified a few switch mode power supplies to make them produce different voltages (usually higher) than what they originally did, this has inspired me to make my own regulated SMPS based on this. I might make it variable by changing one of the feedback resistors to a variable resistor and see how well that works.
I think you will like next week's video then.
Top Man! Anyone can make a video on buck converters but there aren't many who can do it so well as yourself. Well done and thanks for uploading this excellent video
I havent seen a video from this channel in a while and they are 10x as better!
Thanks! There have been a few uploads this year. Check them out!
you shoulda called this video: "How to build an 80+ silver power supply" that's a damn efficient little converter!
I always enjoy your stuff. And you keep it basic without dumbing it down. Excellent.
Thanks for the practical design information that is often left out in college and many text books!
LOVE IT!!!
Too many 'informational" videos that talk about how their cousin taught them when they were 5, how how their dog needs to go for a walk....For an hour.
You stay on topic. Thanks.
Subscribe.....
Man you are a legend. I have benefited alot from your tutorials because they are clear, informative and concise. Thank you very much
Arnold shouting "Shut Up" made my day and bought my heart. Subscribe :D
Great video Afrotechmods. Buck converters are so much better than linear voltage regulators. I have a homemade portable charger with a usb port that i limited to about 2 Amps and a Buck converter can really do the job. You can also buy cheap buck converters that they install in some cars in Asia for interior lights and stuff on ebay for cheap and they can be a bit more efficient and weatherproof than what you could build from this video. Great explanation about them! 5/5
Don't discount linear regulators too quickly! They have their niche too. Without the switching action of a SMPS, they generally have cleaner outputs. They also don't require inductors, which is very important because inductors are by necessity large and expensive(in a relative sense.) With a low dropout linear regulator, one could achieve reasonable efficiencies by keeping the input to output voltage ratio close, though care must be taken not to come too close to the dropout point. As afrotechmods mentioned, in the range of about an amp or lower one could consider using an LDO, and the total solution size, cost, and output ripple would be superior to any switching power supply.
I already saw this video weeks ago. Came back for the arnold scene. rofl
You'll be back.
You have won the internet for today. Both with the awesome video and the superb referencing comment.
Being an EE student, I'm actually really interested in hearing more about the crap just before Arnold pops in. I'm hoping my control systems class will help me understand it. :P
Sevalecan Get the book "The art of Electronics". Screw the book your college sells you. It'll explain it guddr
Great tutorial, specially when you skipped the boring portion and you showed the actual events in the circuit board. keep going we are subscribed to you. :) :)
I didn't know this channel was this good...subscribed
The world's best teacher
Nice job getting the LM267x series to work well on perfboard! Without using snubber networks I could only ever get them to give low output ripple by using a PCB with ground plane lol.
I was pretty impressed that I pulled it off on perfboard too! The huge ceramic caps I used were larger than you would ever need in a commercial design, but they give extra leeway for beginners to make mistakes and still have good performance.
Afrotechmods Will the efficiency be higher if I solder the components directly to each other?
1:12 - "or even a crackhead mashing..."
I love the humor this guy puts in his videos!
That Arnold clip was perfectly placed, my eyes had just started to gloss over.
This is an absolute BANGER!! So well made. thanks for the knowledge! Especially the PRACTICAL knowledge. I always struggled trying to learn things by theory alone. Like you said, what you learn in school is garbage in the real world!
I think I'm really going to like this channel. Clear and well-spoken... thank you!
Good video. They only flaw I see is the use of solder to conduct current. To me that is always a no-no. Proper soldering technique requires all conductors to be as physically connected as possible with the solder only making up the last microns of conductivity. I've been in electronics repair for almost 40 years, and by far the most common failure I've seen is improper soldering on high power/heat connections such as transistors and power resistors. Never rely on solder to make the physical connection. For this demo, sure it works, but I wouldn't put that into anything I wanted to keep working for years.
Love your videos man! When you started in on the feedback loop I thought my head was gonna explode! thanks for the alternative. I want to understand all that someday...
Wow, now. I really understand how buck converter works! Awesome video - sort, easy to understand and really good! Thank you!
You have a gift for presentation. This was really clear!
The LMZ3 series parts are 0 stock in the US until next year The $8 part I'm looking for cost $800 at most places. I was lucky to get a few for $99 each. 😖
So I'm building my OWN supply. That's the reason why I'm even watching these videos.
For those who wants to know the rest of the components interrupted by Arnold @4:07
A droid motivator and a Hyperdrive.
you are the best teacher in youtube...keep up
Excellent content. You are right on par with This old tony and ElectroBoom. Thanks for the excellent content.
men a big thank you for all this knowledge not simple for the start but i found all what you do and i know i will learn a lot
Your videos are spot on. Clear and to the point. Thank you just started following you.
Man come one. I was half asleep and that scared the shit outta me.
Maaaaate. Love your videos and sense of humour. What’s your days job. You don’t seem like your normal propellor head.
I was experimenting with 555 step down/step up
all you need is mosfet/npn for step-up or pnp/p-mosfet for step down
and zener diode+transistor
so you pull down reset pin on 555 with transistor (which is pulled up with 10k)
voila, you have voltage stabilization
maybe tl431 also will work
like this if you like my idea
Dave is everyones idol :D
Love the shot of the linear regulator on fire!
Man.. your channel is soooo good
very well made video thanks. Nice burning components shots too.
That was a brilliantly instructional video.
Nice to see an EEVblog reference
Dave is badass.
Afrotechmods He's been getting a bit too much into video blogging instead of electronics lately. :(
Afrotechmods in the future, could you also include a link in the description? Then I could see it without needing annotations to be on (or on platforms that don't support them!).
VERRY informative video, yet again. I learned allot with this one, thanks !!
My name is buck and im here to convert DC
great video. Gave me a clear idea on how things are in practical. really very well explained.
was very useful.
Simple, concise and clear. Thank you for sharing this valuable information!
Man, this is another excellent video. Thanks for doing this. You inspire me.
i really laughed at that one.. when ardnold said Shut Up! hahahah
Loved when Arnold appeared! great video by the way :)
Awesome explanation of PWM.
Nice and informative video .
Sir i request you to plz upload complete video on designing swich mode power suply.
Easy to understand for me. Thank you for posting good movie.
Very Nice Video! my friend is learning electronics so i showed him this Video!
Very helpful video. Well done!
Greetings from Poland
If only I could sit down with you in person and pick your brains for things.
About 35mVpp ripple and spike at 5 amps for 5V output, that's pretty neat!
Thank you. The video was very useful and simple.
Your videos are really so nice. Thanks for your efforts.
If I understand correctly, it draws less current while providing 2A output current (Shown in efficiency calculations). That means, I can use a 12V 2A (24W) common adapter to power 5V 2A (10W) Orange Pi and and 12V 500mA (6W) white LED strip. Correct me if I am wrong.
4:06 perfect timing, at least according to my brain in trying to comprihent it all.
28 people who watched this video have no idea what good video is--well done on this one!
Seems like you could feed the output of a buck converter at desired DC+max ripple into a voltage regulator to have the best of both worlds: the heat dissipation on the regulator would then just be the RMS of the ripple voltage by the current, significantly less than down-converting from a primary source. And you'd get the smooth DC output you need for sensitive circuits.
Yup. This technique is sometimes used in commercial designs.
Hola soy de México, y me gusta tu canal, aunque aun estoy aprendiendo hablar ingles, aveces tus videos se explican solos con la imagen jeje, saludos y Exito!!!
Excellent video, very well explained.
You almost lost me about 4 minutes in, but then right before navigating aways I saw the Arnold clip and subscribed instead. Lofl
Oh my goodness thank you for making this! I didn't cover this yet (just starting sophomore year) but I appreciate this little lesson :D
"Practically idiot proof"
Project Farm: "We're gonna test that!"
Very interesting video! Great explanation
Thanks for the in between meme material sir😂, great video!
This is my first video from your channel I've ever seen. When you said, "Or even a crack-head mashing a mechanical switch", it was so unexpected, I laughed so hard I damaged something internally.
LMAO!!!!!!!!!!!!!!! I LOVE the Arnold add in!!!! My friends really wish I would shut up any time I try to explain a circuit to them. lol
Also, thank you for clarifying real world vs what one is taught in basic electronics courses. That will save people time and awful smells. Excellent videos for sure!
Good day mate! its really nice to see you around again, you've been a BAM! on my studies thanks for sharing some of your cool projects it helped me a lot to become a little bit advanced in the class ^^ keep up! Jesus loves you man
I'd like to see a video on electrolytic v. ceramic caps, and why you would use both in parallel instead of just one higher value cap.
Awesome! I'd like to see a video for a universal AC to DC power supply! That's be cool :)
I never knew Arnie was into electronics as well ROFLMAO!!!!
In the shut up section, I laughed so hard that I almost fell down from the chair. :)))) You are literally an awesome guy!