Reverse engineering a TL494 based Chinese


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azhaque
Senior Member

Joined: 21/02/2017
Location: Pakistan
Posts: 131
Posted: 10:02am 21 Mar 2019      

  LadyN said  I am hoping these members share what they have learned and then we can start controlling this using a microcontroller like the blue pill



Natasha,

Are you thinking what I am.

I have the same idea. Use this Board in conjunction with an Arduino (say) and make an MPPT controller.

I have been researching this idea for a while. My need for such a system arises because I am currently using 4 Nos. PWM controllers from EPSOLAR for my off-grid system. The next logical step is to go MPPT. The main hurdle in this approach is the cost of MPPT controllers. If we can manage one on our own it would be really cost effective. SolarMike is already working on one while Madness has developed on already. Maybe we can build on their work and develop something useful.

Have you received your board from China. When you do please share with us the numbers of the various integrated circuits used thereon. We should be able to divine the circuit out of that.

Here is a link to a bigger one with a video.

https://www.aliexpress.com/item/1800W-40A-CC-CV-Boost-Converter-DC-DC-Step-Up-Power-Supply-Adjustable-Module-DC-10V/3285 7772579.html?spm=2114.search0104.3.115.3b821a25PESXwY&ws_ab_test=searchweb0_0,searchweb201602_8_10065_10068_319_10059_10 884_317_10887_10696_321_322_10084_453_10083_454_10103_10618_10307_537_536_10902,searchweb201603_16,ppcSwitch_0&algo_expi d=293ae1a8-aa5d-4f27-9fae-866cd1d303f2-16&algo_pvid=293ae1a8-aa5d-4f27-9fae-866cd1d303f2&transAbTest=ae803_3

azhaqueEdited by azhaque 2019-03-22