DC/DC converter
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Uploader Comments (Guntixx)
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All Comments (15)
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nice job bro..i also done similar project dc-dc converter only use simple ic CD4047 for switching frequency 50khz ,IRF 3205 and hand winding torodial core transformer...
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Can u send a schematic of this circuit? Can it be adapted toolts output 48 to 55 v?
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Cool, it looks really innovative!!!
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"it doesnt get hot... trust me ;)"
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and what was the load, how many W?
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So, this is a SMPS right?
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Not bad could u show me the schematic ?
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nice job dude. i want to know what inductance value you used? where did you get it from and what is the switching frequency?
slavedkale 1 year ago
@slavedkale
I used transformer from dead car amplifier. They typically have 4-6 windings on primary and 12-14 windings on secondary. I dont remember correct value of switching freq but it was something about 35-50kHz.
Guntixx 1 year ago
It was about 80w (from simply formula P=UI, 32v*2,5A=80w). This thing works, but its too simple to use in real applications. No thermal shutdown, overcurrent protection, voltage stabilisation...Now it lay somwhere on the shelf in my lab. Was a good experiment to gain experience- thats all I can say about it. :)
Guntixx 2 years ago
Thank You Jimmywubs! :)
Circuit used here is very simple similar to those from datasheeets. The "heart" of this DC/DC is a TL594 IC which is driving mosfets trought transistors. If You are interested in circuit You can e-mail me and I will sent it to You. :)
Guntixx 2 years ago
Thanks Normellow! :) In fact yes-it will get hot with applied load on motor. But actually this DC/DC isnt intended for use with motors. It was just a test. :)
Guntixx 3 years ago
Maximum output power is about 150w. As You can see motor isnt spinning very fast...
It is based on Texas Instruments chip TL594 and some FQP50N06 mosfet. Toroid is standart one that is used in car audio amps. Frequency is set to approx. 80kHz.
Guntixx 3 years ago