DIY Powerful DC-DC converter

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[@tomg8069]

Great work but sooner or later mosfet or diode will fail. You need to add snubber circuit which is R and C in series to decrease spikes on mosfet and diode. Then ringing will be much smaller.

[@SithaSek]

Such a nice feedback. I put the comment here for my own notice. ;)

[@yuviselfauramorales6039]

Hola muchas gracias por compartir y explicar los circuitos excelente trabajo 100 de 100

[@JohnSmith-vz8pc]

That must be a Chinese 19V, because it was 17.9V! 😀 A bit like their 3.5Ah batteries which are actually 1.2 Also the load is the 2 bulbs, not "provided by the energy stored in the capacitors"!

[@huiwijaya]

so .. could i increase the capacity of output power about 100W ??? because .. charging laptop at least need 80W -100W ...

[@niky7197]

excellent work, very clear explanation. thank you for sharing!

[@adam207321]

a small little detail...the mosfet u show on the diagram is wrong...with the simbol i could think its P channel and the IRFZ44 is an N channel one...it could probably confuze someone who actually looks at the thing :D

[@ShawClash]

well said its true building it by it self has more joy and knowledge of how it works

[@qsdrfghgujfddyffguff]

Really better than chinese 150 watt converter

[@justinlynn]

excellent work, very clear explanation. thank you for sharing!

[@carlosmarconsini1568]

How to open this file .lay?

[@neail5466]

Variable voltage and amp plzzzzzz

[@gideonmarcovalentine6994]

hi could you assist with building a circuit that can step up the voltage from say 12- 14v to 16-18 v with a current draw of about 200A

[@aviomaster]

That is a real technologigal feat.The current alone is scary!

[@RAUF.Y]

can you tell me please inductance of this inductor

[@skapesk5014]

Iam scouting for DIY 12V 20Amp PSU, not yet successful

[@smoke_stackz3168]

Make tl494 version of adjustable buck converter for solar charging

[@logicaltrojan7750]

Great video.... Can u make one with constant current and constant voltages.......

[@deterdamel7380]

A green/blue core may be a better choice for 125 kHz switching frequency, due to his lower loses.

[@KhurramFarooq1982]

hello if i use this cct with motorcycle power supply, variations comes from motorcycle generator can be handle with this cct because i want to use LED,s.

[@Royd20]

@ Kasyan TV Your content is great, but what is the use since you don't provide a schematic file in pdf or gerber file (factory pcb print) to print it on cooper clad, we need the pcb lines schematic lines on a A4 size paper, to print on Toner transfer paper .

[@subigirlawd_7307]

I love this channel❤

[@sumitchaudhary8489]

Very nice video, kindly make a boost converter for 100 watts led chip with trimmerpot for current and volts, thanks in advance

[@shahidelectronics1686]

What is coil size and wire gauge and what is circuit output amps

[@Ajengineering]

Very nice

[@nextlevel4529]

The links aren't working alternative links pls

[@rafiq65922]

please sir, tell me one thing. I have 12V DC with 1Ampere.i want to increase it's ampere. please tell me how can I increase it's ampere but voltage should be same or increase? when I try to increase ampere, the voltage decreases. please help me.

[@matheeshachathum2328]

The output power must equal the input power. In this case, input power is 12*1=12w. But the output must equal the input power. So you can get a higher ampere by reducing the volts efficiently.

[@Sekhar_Home]

Yes the happiness of making diy has no comparison

[@omaralkassab9079]

Thank you for the great work. I have a note about the mosfet, it need a resistor (10Kohm) between the gate of the mosfet and the ground to avoid any suspicious ON and OFF of the mosfet

[@chandanpiku]

What's the maximum voltage output this circuit can produce? Can it produce 36V or more? If not, do you have any other circuit that can do so?

[@luiscarlosmarques3946]

Incrible presentation. Tks

[@malharjojare4207]

How much time this circuit will withstand?

[@chibuzoeze4225]

Can I use it as solar charge controller?

[@elkinsuarez1658]

can it be used like step- down controller "uc3843" ??

[@eisaalyaqoub5251]

Thank you for sharing..... Anyone could help me with explanation of the REM ?

[@sakisalfista620]

Remote control. 12volt controled by a switch for example.

[@eccaanto1814]

how many amps that board can support

[@ratgreen]

Great video. So how would you scale this up. What if you wanted 120vdc or even 400vdc. Just larger mosfet and chokes? Capacitor? What is the relationship between them.

[@two_number_nines]

it is a general rule that if you want more than twice the input voltage boost converter wont cut it and you need a transformer

[@robertcylke2604]

It does not work two layouts and did not move

[@larkanasolar8297]

Please make dc to dc buck converter

[@lenaroseguera1241]

Can I use uc3842 instead of uc3843 Ic? Somebody answer me please. Kasyan never answers :(

[@jagdishsingh9997]

No bro u cant use

[@vobinhthu5299]

Very nice your are inverter!

[@mctibi1292]

R5 value?

[@Aviprink]

Any fuse resistor .or you can use 500ma fuse instead of r5

[@guntherneubauer8246]

Very good Videos !! 👍👍

[@hayel2015]

Fantastic work man 😘

[@ganeshrandhir]

I need 34 to 36 vdc out put for led drive. Please tell me how to change the circuit to give about 36 vdc

[@Aviprink]

Ganesh Randhir use inductor of thiner wire with more no of turns. It increases output voltage.

[@programmingandstatus1539]

can u tell me oscilloscope model and name ?

[@dharmeshsolanki4354]

cool you are master of circuits

[@noithugian494]

what is REM?

[@madeintanzania2995]

Highly voltage drope!!!

[@jenpau0269]

What is R5 Resistor value?

[@m.schiller]

Looks like r5 is just a fuse. You dont need it

[@electronicschemistry5299]

can uc3845 also used?

[@universalelectronics6405]

50 amp mppt plz

[@ztronixz2236]

i made this circuit ....its has huge voltage drop when attached to load

[@youneshamache3314]

UC3842 is a current mode controller, it means you'll have a steady current instead of steady voltage !

[@chibuzoeze4225]

@@youneshamache3314 but does it mean uc3842 will work with this circuit?

[@DAILYTECHNEED]

as always watching again and again..

[@T2D.SteveArcs]

Why do we build things that could be bought for a few $ ?? Because we can and it feels good to create things, its not about the cost rather the knowledge and skills gained and the satisfaction of knowing you did it with your own hands, thats part of the love of electronics

[@喜羊羊-r2o]

9RMB 1pcs

[@ufohunter3688]

Nice work.

[@thanhnhan8871]

Great!!!

[@passtranelectronics]

excelente

[@xaviersalamanca7020]

PASSTRAN o uno en mi idioma xD

[@v8doido]

👍

[@lokeshdarshankar2992]

Value of R5

[@m.schiller]

R5 is a fuse. Its 0ohm. Dont need it.

[@two_number_nines]

i would recommend using normal ferite transformer cores for the inductor, because most of the toroidal inductors are actually compressed iron dust which makes them unsuitable for high frequency (above 5khz) applications like this

[@yasirshahzad3732]

which text to speech narration have you used in this video??? Please tell me

[@bustedparts]

Thanks for this great explanation ! I am working on building this circuit. In the diagram R5 is missing the resistor value. Can you please tell me what to use in this spot? Thanks!

[@filippavlovic7869]

Looks like R5 is only a fuse cause 7. Pin of the ic is positive voltage supply pin

[@ngc253]

​@@filippavlovic7869 @Rich Winkleman R5 is a 10R current limiting resistor for the chip.