🔴Vlog#5 How does the DC-in and Charging circuit works on a laptop motherboard? - BQ24780S
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- เผยแพร่เมื่อ 9 ก.พ. 2025
- This will help the beginners and those people who wants to learn and to have an idea on how does the DC-in and the standard Hybrid Power Boost (HPB) charging Circuit works to charge the battery and so on.. you will understand where and what voltage should you get on the specific points on the laptop motherboard DC-in and charging circuit section.. and if you want to get the animation file, you can join our discord server and get it there. I will put our Discord server Link down below so that you can get access on the file..
SIERA Discord Link: siera.biz.id/d...
The clearest; most comprehensive; and conceptually well developed presentation on this topic I have ever seen !! Thanks for sharing !!
agree. big effort was invested in this presentation
Thank for your nice and clear EXPLANATION GOD BLESS
Up for this. More learnings papo sir fred
Thank you for the informative video. Hope to see more of this video from you! More power to your channel
Very good explanation. I was logically expecting the mosfet to be turned on by something that was powered directly by the VIN from the DC jack but ChatGPT was trying to convince me that the BQ chip was powered by the B+ voltage which makes no sense.
Great lesson thank you very much.
Good explanation, I really appreciate all your effort on this. But PLS I NEED FOR SUPER IO Just like this animation thanks
Thanks for the clear explanation! I'd be interested in seeing more videos about laptop repair. 😀
@@kavishnangmg thanks for the support brother♥️
agree!
Nice explaining man , you did a nice job better then i ever could i will use your clip a lot when i help someone .😊😉👍
Very comprehensive, accurate, and easy to understand! Waiting for the PWM explaination video 🤣👌🏻💯❤️
Hi. Very very nice explanation. I got a good full explanayion. I know how the charging circuit work. But it was 50 persent. I was searching a long time,for a explanation like this. Its wonderful. Thsnk you master
Thank you for the support,.. if i remember it correctly you are our rizsha from the SIERA server right? 🙂
@@ARFIXIT2022yes yes. Thanks all of your support. I do repairs by the help of masters like u and others in discord
malking tulong to..mas naintindihan ko na ngayon..salamat sir..
Great video.Thanks a million.Lets continue learning together
un sub mas gracias por compartir tus conocimientos del tema
Thanks teacher
Next video
Grabe solid ka talaga sir fred magturo ❤️❤️
muchas gracias !!! excelente explicacion !!
@@mantech6924 welcome and thank you for the support😊
Saludos desde Perú 🇵🇪, una consulta y porqué no consideraste el pin 23 y 26 que van al los mosfet
I have the a machine, with such charging ic, but laptop not charging, phase has 0.12 volts, what could be the failure
Respect Boss, you're good
Thank you My friend☺
well explain and wonderful.
@@johnsonwee6029 thank you for the support ❤️
Just Amazing!
@@TEMPODEAPRENDERJairoGSilva thank you❤️
you're the best bro
Muito bom vídeo entendi melhor mesmo não tendo um inglês fluente dos vídeos que assisti em português
Great video.
Excellent
Nice video thanks
👍👍👍👍
Can you upload new bios rebuild and editing video or cup level video countinue plz your explain system is owsome
Perfect explenetion
Thank you brother
Nice Video. Hugs from Brazil. Link off discord?
nice bro
Thank you so much boss. This is what so many are hiding from us
gawa po kayo ng kaparehong topic this time sa desktop motherboard naman sana.
ACOK is not present, what is the reason? and what is the solution?

may follow up question ako sir fred bakit on some board there are 4 mosfet sa highside at lowside? ganda sana may part 6 yung sa PWM
yung yung isang klase ng charging architecture yung nvdc yung 20v or 5v i boost ng 2 unang mosfet sa coil then yung next 2 mosfet naman eh regulate papuntang battery na agad
Alfred, pre musta na? nagrerepair ka na rin pala ng laptop chip level?
ayus lang ako.. yeah,.. Hobby lang and sharing knowledge pre... teka, sino pala ito? hehehehe..
si Jun pre. kasama mo dati sa ksa :)
@@JhonyVerganio ahhww..ikaw pala yan pre..hahaha..add kita sa fb pre..matagal na kita hinahanap..buti nahanap moko..hahaha
Hi, the discord link is not working for me
🎉
Pano boss i bypass ung ADid?
Ta
or u just read datasheet to that charging ic and have all this info.