#265

i explained How to Calculate Inductance or Inductor Value to design High Frequency Transformer to calculate SMPS design discontinuous flyback Switch Mode Power Supply in power electronics very easy. i am am going to calculate SMPS circuit using UC-3843. in this circuit UC1842 UC1843 UC1844 UC1845 C3842 UC3844 UC3845 MC38C42 MC38C43 MC38C44 MC38C45 MC18C42i can be used after making a slight change in VCC voltage. i will calculate all components in the UC3843 SMPS schematic, i distributed the power supply in blocks, so that it will become easy to understand. discussed how to draw a schematic circuit diagram of switch mode power supply and i explained practically. most of the smps designs buck converter, buck boost, forward, feed forward converter, half bridge full bridge converters are same just the switching topology differs. after watching this series of videos you will be able to:-
how to #design #calculate #smps
how to understand smps design calculations for discontinuous flyback function of switch mode power supply, in this tutorial i draw the circuit diagram and placed components and made wiring of the components.
how to repair switch mode power supply when short circuit at input
how to calculate dc buss bar / rail and bulk / main dc / filter capacitor
hoe to select minimum maximum voltage for SMPS
how to design buck boost converter / half bridge / full bridge / forward / feed forward / zero volt switching ZVS / zero current switching ZCS / flyback converter
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[@meandbabajan76]

Very adorable and useful sharing

[@jboy4real]

Thanks for your effort I love your pattern of teaching very very understandable. Sir, my confusion is why did you select maximum duty cycle of 48% and from the datasheet of uc3843 it stated at 100% kindly explain more on it . Thanks

[@eng.qutaiba1995]

جزاك الله خيراً و نفع بكم و نفعكم بما علمكم أخي ⚘

[@HaseebElectronics]

best regards

[@user-monaemam]

Video wonderful video

[@rahulpatelgujratahmedabad3497]

Good tiching karte hai 👌👍👍👍👌👌👌

[@masoudmontazery907]

Good luck sir 🎉 happy spring...

[@haseebelectronicsurdu]

bahut badhia expalnation

[@meandbabajan76]

Great people great work

[@CAPTAINSAIMA]

Salm Bhai lk three k sath bht achi information share ki apne Allah apko aur kamyabi se nawaze Ameen

[@zainElect01]

wow it is awesome and superb tutorial. thanks for sharing

[@wthornton7346]

I am enjoying this series. Somehow, seeing the math and the physics applied like this is very satisfying!

[@HETRM]

No boundaries for the intelligent and kind!! God bless you!!
Sir how was the duty cycle 48℅selected please explain.

[@HETRM]

Thank you I got the answer in the next video🙏

[@carolinediyandvlog]

Good morning 🌻 awsome video 🌺

[@rajeshn1322]

Please tell me calculation of EMI filter and current rating of all device

[@subirnath4229]

EMI filter kaya hota hai?....pls. explain & how to select right filter

[@FoodFunAndEnt]

Very hard work dear

[@mamtakirasoi5448]

Useful sharing 👌👌

[@mon-alarby]

وعليكم السلام ورحمة الله ربنا يوفقك اخى احسنت👍

[@janasmeal7916]

Wow it is very wonderful tutorial 👍great job sir ma sha Allah

[@anuaimivlogs13]

Very nice sharing👍

[@NgalatrackWungkul]

Assalamualaikum apa khabar Sahabat lamaku
Terimakasih selalau berbagi ilmu yang bermanfaat
Semoga sehat dan bahagia selalu

[@DarsKitchen]

Very Interesting Video!! Like 91

[@kabandajamilu9036]

So nice brother thanks for rectify ing the error

[@rmjnm]

Salute to your passion and dedication sir. You are doing great really great. Thanks a lot for your help and support.

[@samiafazal]

Wa aliqumuslaam always good work puri dekhihai hai

[@laughingmagician1987]

very informative
like 20

[@ExploringWisdomwithQaiser]

Amazing Tutorial
Very important n useful video.
Big Like 👍

[@sheekbikdiy1993]

Featured explanation

[@pandaysharma3749]

Very cool info

[@cookingengineering9299]

Very good content

[@chbonnici]

Barka Allah u fik

[@HaseebElectronics]

Jazaak Allah khair

[@ZAProjects]

Great knowledgeable and explained tutorial. Thanks for sharing 👍😍

[@avshreeanurag1010]

Thank you for simple explanation and dedicated efforts! :)😀

[@electronicindia8571]

Excellent sir ji

[@ARA-ENGLISH]

Goood job 👍👍👍

[@haashirvlogzhaseebelectron7373]

wow it is superb and adorable. keep sahring

[@khanlalavlogs]

Thanks for sharing such an informative video. Very detailed oriented and well explained brother. Thanks for sharing, jazak Allah.

[@thatpunjabifamilyvlogs8471]

Great knowledge ☺️ Sending you lots of love ,& support from Australia 🇦🇺❤️

[@anakkaroperantauan2738]

Good job 👍

[@user-monaemam]

Very good and Wonderful video

[@farrukhazad]

Nice video , i like

[@shanzay4316]

Excellent tutorial

[@FunnySurpriseToys]

Hi Friend! Thank you and have a great weekend! Like #27

[@KBTechbd]

wow amazing tech share

[@21thTek]

Just Great !!! ⭐⭐⭐⭐⭐

[@AbdulMomenZargar60]

Walikum Salaam Bhai Saab

[@fatimaKitchen12]

Great information

[@lupojacobo9892]

Shukriya Maestro

[@carlrapheso1397]

Thanks for such dedication and passion for sharing, you really are an inspiration.Thank you Sir!

[@bubulpramanik6234]

Nice.👍👍👍👍👍👍

[@NARESHKUMAR-ub2iq]

Thank you sir.

[@imammaliki420]

Calculate nice

[@farihabaloch4805]

Mashallah 💓👍 talented you are

[@jumpertechnology8245]

Thank you
Really
Very helpful and clear

[@mostafasaed4822]

Thank you dear
But I found the inductance equation is different from the one you used.

[@HaseebElectronics]

you are right
there are many approaches to calculate and each technique have its own equations.

[@IsmailOfficial-]

Thanks for Sharing good Work

[@PakistaniFood1168]

Amazing tutorial
Good Info

[@pradeepmaurya9321]

Thank you sir 🙏

[@BajisKitchen]

thank you sharing your expertise 👍👍

[@satishraju3582]

good . we need core selection and no of turns.

[@fatimaKitchen12]

Walkum aslam mashaAllah

[@MrKumar-il4xh]

Nice explanation. Please make video on input line filter and protection crt calculation.

[@user-pq5tz5pn4g]

السلام عليكم ورحمه الله وبركاته بتوفق أخي احلى

[@chbonnici]

I have watched the two videos 263 and 265 with great interest . Which is the next one where you show the full circuit. How many videos in this series and which are they? Thank you for your kind patients.

[@zakiausa]

thanks for sharing brother 😀

[@jayabratabiswas01]

Sir, Thanks for posting this design series 🙏 I have a question regarding Bulk Capacitor calculations. You have considered Vpeak Minmum for Capacitor value. Why it is? Vpeak Minmum is the low voltage, why we are not considering the high voltage i. e. 375 volt. Other wise Bulk capacitor will not able to filter at high voltage. Please confirm 🙏

[@MachiElectronicsLab]

Nice sir g sir please conform duty cycle how calculated or wh chose 0.48% in explain thanks

[@friendman2001]

Where in the videos do you calculate the output capacitor?

[@Mostafa.mohamed]

Like👍👍👍👍

[@jaylito296]

i have a question sir, the Vmin 85AC & Vmax265 is a constant value that will use everytime i design a circuit ? for example i need output 12Vdc/5A . the Vmin85V & Vmax265V is a constant value that i will use everytime i design a circuit?

[@gajendraparmar507]

Hi sir,
Based on which criteria you consider 200khz frequency ?

[@mohammadmoezi3813]

hi sir...i saw your video and i want to say you are very good...excusme sir i want make one switching trans..with 220Vin and with +17v 0 -17v and .5amper but i dont know i must use how ferriet and typ wire...pleas lead me thankyou

[@bartdepauw1156]

Last step ( @11:54 ) surprised me : higher voltage needs a higher inductance ? ( changed from 414µH@100V to 502µH@110V ). So then it should be calculated at the Vdc high ?

[@HaseebElectronics]

No dear
SMPS transformer is always calculated in Worst case scenario (Low input DC rail voltage and maximum power output)
in this situation the IC will use maximum duty cycle. when DC rail voltage will reach at maximum level (i.e 375 VDC) at that time the ic will utilize minimum duty cycle to switch, to produce the same output power (which was being produced using maximum duty cycle at LOW dc rail voltage)
*INDUCTANCE WILL BE CALCULATED AT Vin min*

[@NARESHKUMAR-ub2iq]

Sir I have a question.
You use here 200KHz it's a typical value or maximum value of operating frequency?

[@bartdepauw1156]

Is the 2.5 factor depending on the Design ? So only for 'flyback' mode transformer ? What factor will be used for 'full bridge' mode ?

[@sukhdeosingh617]

Sir kindly make video s on pwm sine wave inverter. Thank u.

[@chandanaranasinghe7197]

why use 0.48 as duty cycle? If we use 0.5 what happens? Should we allow Toff than Ton ?

[@rain0aldwaib]

thank you for this tutorial
but i want to ask
if i want to design my own smps should i fallow all these videos 1 by one ?

[@BajisKitchen]

Honesty is the best policy allah bless you

[@chandanaranasinghe7197]

What is the 2.5 Constant ?

[@denlo_12]

how is it come 0.48% duty cycle,kindly explain in detail plz Sir

[@gyrurur]

Sir , what is the full form of vcc ,ob,ct,oc,is and fb

[@friendman2001]

Where does 2.5 factor in inductor equation come from?

[@dipakbhalodia7155]

ये सिरीज़ मे हिंदी चेंनल मे भी विडियो अपलोड कीजिए

[@MrKumar-il4xh]

One doubt i have, how did derive the Cin cap farmula and primary inductance.

[@rajeshbarlota7134]

If we keep the frequency high the power supply work properly or not because most of the power supply work in 50khz to 75kchz only. But u are using 200khz

[@sudhakarpatra997]

why taken 2.5 for Lpri calculation

[@muneebaslam5312]

Asslam O Alikum
Sir urdu ma kab tak Video a gi

[@falcon02012]

What scientific calculator are you using ?

[@HaseebElectronics]

play.google.com/store/apps/details?id=cz.hipercalc

[@AbdulMomenZargar60]

Studio Kese Download Karte Hain Aur Us Ka Keya Faida He English Mein Likhen Mera Ladka Pad Le Ga Shukariya Aur Mono Keya he

[@electronicrepair5060]

What is 2.5

[@sandyblade007]

What is 2.5 and why 48% duty cycle

[@aleksandarjakimov6830]

@@HaseebElectronics but why exactly 48%? Is it necessary to be exactly that number and how that affect our circuit?

[@bartdepauw1156]

@@aleksandarjakimov6830 You still need to have a 'death' time ( both pulses are zero) per cycle. So 48 % is about the maximal time the puls can be high. With the 2 pulses per periode this makes 96% on and 4% off (= death time)

[@krishnamraaju6442]

Thanks you very much,
small doubt in this video is,Lpri denominator constant term 2.5
but according to my calculations is 2
please confirm it

[@krishnamraaju6442]

NO, V=L*I/Ton
E=1/2*L*i*i
E=Pout/n*t

[@krishnamraaju6442]

so can you tell me,where i did the mistake please
my request

[@chengwan1836]

E＝Pout/n*t, n=0.8 so it should be2.5

[@modhzeeshan1229]

Hindi

[@mohammadhasanshokoohi7150]

[@eng.qutaiba1995]

جزاك الله خيراً و نفع بكم و نفعكم بما علمكم أخي ⚘

[@HaseebElectronics]

thanks a lot