Buck Converter (Basics, Circuit, Working, Waveforms, Parameters, Uses & Applications) Explained

[@EngineeringFunda]

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[@sanchu_s_diary]

Thank you so much sir . Tomorrow is my 5th sem exam of power electronics paper .. To see your videos I clear my all doubt .. Now I think I will be pass in this paper just to see your videos. Very clear explanation Sir . Thank you so much .

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[@Aky47407]

@itsSanchuu are you electrical engineer

[@sanchu_s_diary]

@@Aky47407 Bsc Electronics Hons

[@sanchu_s_diary]

@@Aky47407 Vivekananda College (Kolkata) . 3rd year pe huin matlab 6th semester

[@Aky47407]

@@sanchu_s_diary aapka insta I'd mil sakta hai kya Ripley

[@aqibahmed616]

Sir really you explained well Love from Pakistan🇵🇰💟

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[@nawabyasirkhan2579]

At last I understood by your video. You are doing a great job Sir, Salute from Italy 😊

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[@dhirajkumarsingh7677]

Hello Sir I am From India I want to study M Tech or MS which is best for future growth bcz I belong to poor family but I manage for abroad education please give me your suggestions 🙏?

[@NikeEd8s]

Then tell me How inductor is changing polarity, thus inductor is not a polarized component

[@thanuja4]

Well explained and you make it easy to understand, keep it on. love from Sri Lanka

[@EngineeringFunda]

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[@honey0661]

Thnk you sir it was good useful for my Semister exams which I'm going to write 😇

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[@hannayohannes6985]

@@EngineeringFunda aà

[@flyingfire476]

How to pass engineering exams

[@vishuallinone7565]

Over night study before exam in u tube 😃

[@EEBADUGANIVANJARIAKANKSH]

very useful, understood the complete process in just one video and only by watching it once.

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[@houtansadeghi]

Very good and thorough explanations with key points. even for someone like me with only high school physics background. I wished to know how DC D.C. buck converters used in electric cars worked (eg power coming back to the battery via the rectifier as a result of braking) and I got the very basic idea. Thank you.

[@EngineeringFunda]

Glad it was helpful!

[@Ranger.22-pe4wu]

thanks sir you are great you are god of electrical and electronics enginnering i watch reglarly your videoes

[@EngineeringFunda]

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[@Ranger.22-pe4wu]

@@EngineeringFundayes sir playlist is very helpul for me I can access your each and every lecture easily from there

[@kollachandrasekhar4552]

Nice sir clarity ga chaptunnaru carion go with the flow

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[@m-108]

i'm also from surat. born and brought up in surat. very useful video. keep going ❤😄

[@EngineeringFunda]

Your welcome 🙏

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[@hyderabady6235]

Excellent class sir Very useful Worth of time Kepp going sir Thanq

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[@digitalgatepreparation6204]

Very easy to understand Thank you sir for your great work

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[@AKASHAKASH-sp4yd]

Tq u sir it will be more useful and easy way to learn .. 👍🙏 i m learing for exams from ur video's 🙏🙏

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[@yaswanthbabusaragadam209]

Thank u so much sir.... u are like god... 😍😍.. simply explaination superb sir... 🙏

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[@honeypaaturi9979]

Absolutely amazing ❤🎉 thank you so much

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[@harinireddy.k7391]

Nyc explanation sir i understood easily

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[@sumitpandule2734]

Excellent sir , very understandable video

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[@ongnguyenvan7529]

Good video. Thank for your sharing.

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[@sharfazhameed6382]

Very interesting video ad very helpful. Well explained

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[@AKASHAKASH-sp4yd]

Sir u having more teaching skills great sir 👍🙏good

[@Yummy_yamini]

Thank you so much sir for your video sir super explanation sir

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[@elisechow2197]

Very good explanation.. keep it up!!

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[@MohammedAlFakhroo]

Excellent explanation. Thank you:)

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[@mudassariqbal684]

Informative video. But you should also solve one or two examples related to the topic as for practice.

[@sanasheikh1590]

i understood the concept but you have to give some examples and solve some exercise questions also.

[@EngineeringFunda]

Noted ✅

[@akhilmeshram000]

Thank you Dholakiya sir jii 😊

[@EngineeringFunda]

Your welcome 🙏

[@sekououmartraore7157]

Very informative Thanks a lot.

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[@ayushkumarmehta5336]

Why output voltage is zero in Mode 2 ? It should be equal to voltage appearing across capacitor.

[@maliksahil7870]

Sir you are very good a this.

[@EngineeringFunda]

Your welcome 🙏

[@nilimakakde4177]

Amazing explanation keep going👍

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[@UmayrSurti]

At 7:28 How is output voltage = 0 during Toff? Won't the capacitor try to ensure constant voltage? And isn't the charge in the capacitor directly proportional to output voltage? At 8:24 shouldn't the waveforms for IL (off) and Id and IL(ON) and Iin be identical?

[@kewalkrishan1513]

Very useful and fully understandable, keep it on

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[@amrutheshwararaokv9501]

The capacitor is used to filter AC component at output.

[@preetpatil1366]

Very helpful bro keep it up

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[@preetpatil1366]

@@EngineeringFunda done bro i have shared your video in our whatsapp group Not only this the buck boost and the buck boost also And again whenever i need any help i seek to your channel for help Your animations are on another level which helps me understand the topic best Thanks again ✌️✌️

[@randa5111]

Great explaining

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[@engrsaleemullahmahsud9180]

well explained 👍

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[@shanthisudha4176]

Excellent sir ...

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[@Ben10AllseriesinHindi.]

Great explanation sir

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[@ujjwalkumar8629]

ek taraf ye sir h or ek taraf ankit goyal dono hi baap................. mera dost ka

[@-LManojkumarValugula]

Excellent explanation sir 😊

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[@ManishKumar-iu8cf]

Thank you sir, your explanation technique is excellent and very impressive👍 🙏🙏

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[@ruthwik9878]

Explanation is excellent and it is easy to understand,thank you for providing the information sir....

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[@orlandoblooms4261]

Why should we let the capacitor filter DC components if we want to get DC output?

[@engineerthoughts683]

It is nice one good explanation...

[@EngineeringFunda]

Love and happiness of students is my ultimate goal, God bless you 🙏, keep learning and keep progressing.

[@ziadfawzi]

Thank you

[@EngineeringFunda]

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[@muhammadzarrar3503]

Thankyou sir❤❤❤

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[@preetpatil1366]

I am on journey Of ur lec series

[@pranavsamant1715]

Very nice explaination 👍👍

[@EngineeringFunda]

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[@varunpuli6860]

Super sir ❤️it

[@EngineeringFunda]

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[@k.thirupataiah5913]

Sir,if we talk about DC(chopper) there is no qstn about inductance and capacitance right!?? Then why the circuit consists L and C?? and there is no AC supply so there will be ripples so,Y the capacitor?

[@demisonKmichael]

Great explained 👏👏

[@EngineeringFunda]

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[@narendratalada2358]

Nice explanation sir

[@EngineeringFunda]

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[@mohammedshahed6927]

which converter is batter for electric vehicle?

[@EngineerAnandu]

Good

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[@yashupatel1242]

Superb lecture tan q sir

[@EngineeringFunda]

Your welcome

[@freakout1704]

Nice explanation

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[@zualafanai2188]

Excellent explanation. Please make a video for hysteresis band speed control of BLDC motor

[@smitprajapati9815]

Q-1 for buck converter prove that per unit inductor current ripple is maximum at D=0.5.....sir plz giving this answer.

[@jobayerahmed5664]

Why the inductor will reverse its polarity when switch is off?

[@maiharis5844]

hello sir, may i know the best value passive component for buck converter? is the smaller the value of the capacitor and inductor will get the best possible harmonic attenuation??

[@omarsehaqui796]

THANK YOUU

[@EngineeringFunda]

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[@naughty_sting5655]

Best video

[@EngineeringFunda]

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[@pushpambaishnab1305]

Is buck converter and regulator same ?

[@highspeedboarddesignsimulation]

If Regulator(LDO) you are taking then it is not same.

[@muhammadhamzanisar3512]

When the chopper is off, the inductor terminals are reversed so according to KVL, shouldn't (-VL+Vo = 0)?

[@EngineeringFunda]

It is perfectly correct here

[@rchelipilot3581]

You are correct, the inductor voltage does switch polarity during toff. However it is necessary to keep the same polarity to derive the correct equations.

[@BhargavReddy.S]

Sir super

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[@akankshadesai8959]

Buck converter is also called as zero voltage switching operation it's true or false

[@sushmaduvvuri7802]

Super sir

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[@sushmaduvvuri7802]

🙂 we will support you sir nice explanation

[@galfofamily-fe7ub]

Hello sir thanks so much for this video 🙏can I ask how would one calculate the Irms at the critical inductor value?

[@SM_Rhythm]

Thank you sir❤️

[@EngineeringFunda]

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[@techdecode6453]

Nice 👏👏👏

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[@johnjose1929]

If capacitor current direction is not changing in circuit then how it is becoming negative in waveform?

[@SonuKumar-fm3jn]

So when switch is on load will get input voltage and when switch is off load will get inductor+capacitor voltage?

[@highspeedboarddesignsimulation]

correct

[@karthiksankyanas7498]

How come Output voltage is zero we still will have out put voltage due to the inductor right and that is why, during Toff V_L = -V_O

[@varmaoleti26]

Thanks sir🙂🙂🙂

[@EngineeringFunda]

Love and happiness of students is my ultimate goal, God bless you 🙏, keep learning and keep progressing.

[@dipeshadhikari4982]

6:53 How Vo = Vs ? Isn't Vs get reduced passing through L ? so that Vo = Vs - inductor voltage ??

[@EngineeringFunda]

Nope, its perfectly correct here.

[@dipeshadhikari4982]

Sir please explain how ? I'm not getting it.

[@nikhilvaliveti5717]

@@EngineeringFunda don't misguide people if you don't know. He asked the reason not your Yes/NO

[@sooriyamathy2220]

dude you are correct but after applying voltage sec equation we will get vo=(dutycycle*vdc) so less than vdc value and whatever he drew in vo waveform is not correct as a result of capacitor action it will be a sinusoidal in the output dc shifted with (dutycycle*vdc). If capacitor is not there what he drew is correct but with vo=d8vdc -_- Study standard textbooks like bhimbra for deep knowledge

[@phamhuutri1996]

i believe Vo = Vin - V of the inductor. Saying Vdc = Vs is wrong

[@narendratalada2358]

Sir please while doing next sessions then please consider continuous conduction mode also

[@EngineeringFunda]

Ok

[@omaralkhadra7134]

Can you please explain the ccm and dcm?

[@sandeshmhaske3574]

Thanks sir

[@EngineeringFunda]

Your positive comments motivates me, Thanks and welcome 🙏

[@aleenaangel6064]

Sir, capacitor doesn't allow dc to flow through. Then how come your circuit diagram elaborates that it flows (during switch on mode) Kindly explain, thanks!

[@highspeedboarddesignsimulation]

Mosfet is switching in a frequency On/Off Due to that That DC is not pure DC it will be fluctuating DC As shown in waveform. So it can pass from Capacitor.

[@RamuKaka0pYT]

❤

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[@katlaguntapavansai221]

Why reverse current Is flowing in inductor 4.47

[@electricalnetworks863]

sir please please explain sepic converter

[@sudeepkumar5116]

Thank u sir 👍

[@EngineeringFunda]

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[@ootha09]

let me know that, how to get VL(ON)*T(ON)+VL(OFF)*T(OFF)=0 and how to replace at T(OFF) as (1-D)T. Thank

[@EngineeringFunda]

(1-D)T = (1- Ton/(T))T = (T - Ton) = Ton + Toff - Ton = Toff

[@priyankakolluru4166]

we want more parameters derivation like ripple in inductor current

[@nilamanijena6904]

Thank you bhai

[@RahulKumar-ik8ge]

Plz don't put add so much😭😭😭

[@shraddharathor2345]

Thank you sir

[@EngineeringFunda]

Welcome

[@Raj3486]

Sir I am confused when the switch is OFF the VL polarity changes... In that case current director should reverse... Even if I assume current start decreasing in same direction then the Polarity of Vo will also change. Then KVL applied at 10:35 minutes is not valid. Please explain and correct me..

[@EngineeringFunda]

It is perfectly correct here, kindly see it properly

[@pritamgoswami544]

but we get current in capacitor when we connect DC source, but here how the current is passing through capacitor?

[@amnaammar5288]

in dc, capacitor is an open circuit. so essentially we get maximum voltage but 0 current flow as capacitor. it is a voltage storing device so that analogy makes it easier to understand i suppose :)

[@priyadebbarma3426]

Tq sir 💕💕💕☺️😊😊😊

[@EngineeringFunda]

Your welcome

[@ganeshpalli2142]

Capacitor function??

[@ANSHUL-tn1ri]

sir your android app is not working i tried to register but its showing registration unsuccessful??

[@EngineeringFunda]

It is under redevelopment so soon it will be available.

[@52_vidhya.s24]

🥰🥰🥰

[@EngineeringFunda]

All the subjects playlist of Engineering Funda is available in comment section. Share it with your friends to support us. Your positive comments motivates me and person like me get boosted by my students feedback. Thanks and welcome 🙏

[@weirdoshort]

DC current cannot pass through the capacitor? So how waveform is there

[@tusharpathade2557]

DC current can pass through capacitor till it gets charged full.In this case capacitor is not gets charged full.

[@MOHAMMEDHASHIFTK]

but the output voltage will be constant when switch is closed &open too, which is not shown in the output Vo graph

[@neelakakarunarathna3468]

yes when switch off, V out = V inductor , isn't it.

[@PardeepSingh-wj8lc]

Nice

[@shashisharma8553]

i dont understand why output is zero when the diode is conducting