Teardown of Samsung 25W USB-C Fast Charger (EP-TA800)
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- Опубліковано 21 лип 2024
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Introduction
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Hi, guys. Welcome to today's video.
Today, we gonna take apart the Samsung 25W fast charger. Model is EP-TA800.
It's the first USB-C charger of Samsung and the original charger for Samsung phones.
Bill of materials (BOM)
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Electrolytic Capacitor: CapXon
Master Control Chip: DIODES GP801LS
Primary Switching MOSFET: SemiHow HCD70R600
Optocoupler: Everlight
Synchronous Rectifier: POTENS PDC6986BZ-5
Protocol Chip: DIODES AP43771
Output VBUS Switch MOSFET: Winning Team SFTN7422SMP-HAF
Chapter
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0:00 Intro
0:45 Testing
1:23 Teardown
2:13 Analysis
4:03 Summary
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Quick cinematography tipp: use fixed focus when you have it set on the table, it kept focusing on your hand. Also having the board a little bigger in view would be great.
Ultrasonic welder is no match for subsonic hammer
hammer is always No.1😂
I have only just discovered your channel and I (as an EE) am highly impressed. Thank you for your videos!
Glad you like them!
Великолепный разбор. Спасибо большое. Продали мне зарядку, под видом оригинала. Внутри для тяжести положили два балансировочных груза от автомобильных колёс по 5 грамм. На входе не терморезистор, а обычный резистор. Дальше схему описывать нет смысла - китайская подделка. Восстановлю, конечно, заряжала вроде бы нормально.
Can you please give the picture of the circuit boad. I have a samsung 25 watt charger but I can not read the value of resistance as it is burned.
Would you recommend this charger in terms of build quality? Or should i look at the anker 25w charger?
hello, I have a similar charger that came with my galaxy m51, it's also usbc. the charger started not working and depending on how I mess with the USB port it charges, I assume is a problem with the usbc connector, how would one replace or fix this connector?
so transformer input (power from wall) 110v or 220v. what is the output? I mean what voltage supplies actual pcb? im not nerd in this, but could i connect that charger on battery? i want to make sort of powerbank with super-fast charging for my samsung as i can't find one to buy
Would love to see Li-ion battery chargers as well. Great reviews, thanks.
I eccedently disconnected the usb type c cable from the charger with a strong force will I damage the charger
there's another 25 W available named Pd. Which one to choose? I'm confused.
You know what would be neat a list of the best chargers for different devices: Phones, tablets, laptops, etc. Maybe nothing too crazy but a top 5 or 10 list for the major devices. I know there are lists like that for computer desktop PSUs. I have been unable to find anything like that for chargers.
get an anker
Which one do you prefer for better battery drain time and lifespan for s22+ , Anker powerport III 25w or this one ? Almost same price. I don't care how they are fast, for me durability and batter lifespans are important.
may I ask u a question about samsung charger
Love the channel dude! I picked up a few of the USB testers. I'm an EE and really appreciate your attention to detail and the BOM listing you have in your description section of the videos. Keep up the great work!
Glad you like them!
Maybe you can tell us the rated temperature for the main filter caps. Thanks
@@florind.5711 maybe you can tell me if i can use this to charge my iphone SE 2022! :D thanks in advance.
I didn't know a channel dedicated to chargers existed 😂😂 smashed the sub button
Just like he did to the charger
Whats happens when this charger stop working? Maybe some capacitor fail? Mine stopped working suddenly
What year is this charger out?
Looks good 😃
my t800 doesn't output any power but data voltages are normal and phone shows super charging mode or i can switch to normal 5v charging, and there is no error from the phone even with normal 1h charging time 😢 i haven't another C to C cable to test and i hope the adapter wasn't the issue 😢 response me if you have any suggestions ❤
How to fix adapter not workimg anymore
Is this Samsung USB-C 25W charger compatible with Xiaomi redmi 10 note 5G?
Can you make a video for best GaN charger as of today thank you so much
Thank you so much ❤
Ya no da carga que probablemente podría ser ayuda porfa
Hi I wanna bypass the 230V part and use my little solar pannel that makes approx. 5V on the low voltage side on my EP-TA10XXX Rev. 1.1 Dongynang E&P. Any idea how to find info on that or simply how to accomplish that? Kind regards Mike
solar panel is direct current, you do not need rectifier
all you need is voltage regulator and power delivery module
no do teardown but buy component direct, is cheap
which charger would you personally opt for in a phone/tablet/powerbank charger use case?
original one, and for powerbank, my choice is 25w 10000mAh Samsung powerbank(the simple one, without wireless charging)
due to chip shortages and prices rising can you do a video (20mins) on how to Safely recover working chips for other uses (recovered from laptops, chargers, led tv boards, hard drive enclosures) and their uses.
Caps are subjected to near the limit sometimes operating temperature in psu s
You may look at the discoloration of the pcb or it gets darker in areas of high temperatures.
Avoid taking caps from there
Use soldering Station for removing parts
Personally, I tried using removed mosfets, they looked fine, but blew apart when reusing.
Today you can hardly reuse something unless it s new or almost new.
Try opening an led bulb after 6 months of burning...look at athe board, you can see the brown area from heat....
Have fun
Sincerely,
Florin D.
it look this link can,t open
Thank you ❤
You haven't made a video on the 30-pin charging cable used for iPhone 4.
ha ha, that's too old.
When I slightly shake my charger, I can hear sometning dangling inside, like a cushioned rubber shape (the dangling sound is somehat muffled). I thought the PCB might have some free room inside the case, but I saw in your video that it has grooved holders and glue, which shouldn't allow it to dangle.
Is this normal?
Not all charger will filled with silicone adhesives.
So, it is normal.
@@ChargerLAB , thank you for the reply. The charger is new and works normally, but I was worried something may have come loose inside. Thanks for the input. 🍻
Could someone recommend a good 12 volt type c car charger for a Galaxy S10+ ? My current charger barely keeps the battery level maintained let alone charged. If I drive an hour I may get 3% on the battery charge.
I have had only one qc3 car charger...generic brand, but reliable. Go for samsung, anker etc...
Works great
Hello, can you maybe give me values of 2 smd capacitors on top side next to 400v capacitor
C13, c14 mark on board
Thank you very much 🥰🥰
Can i have a look inside samsung type c to type c cable 🤗
Sure, here is the teardown video of Samsung 100W USB-C Cable. 🔗ua-cam.com/video/5ZHF_g88BqI/v-deo.html
Nice detailed video - I stumbled on it looking for an explanation as to why this charger is recognized as a super-fast charger by samsung devices but others such as INIU's 25w PD 3.0 fast charging mini wall charger is not - despite it being PD rated as well as all the other specs appearing to be equal.
Do you have any thoughts on why this is? What makes the Samsung 25w "special" that it is properly recognized?
side note - the phones report the exact same estimated charge time regardless of which of these chargers i use - also interesting that the INIU is recognized as a "Fast Charger" just not a "Super-Fast Charger" - what defines "Super" to the mobile's charging system?
Thx!
It depends on the PPS protocol that INIU's 25w can support.
The Samsung Super-Fast Charging is actually the PPS protocol.
@ChargerLAB I find it odd that a galaxy 20FE does recognize the INIU as super fast but my fold4 doesn't...
Thanks for your response!
I hope the channel will have more reviews about electric, ex: Ripple noise
Original chargers/ psu's are ok regarding inrush curent and ripple, Samsung has hid distinct low profile ferrite transformers.
Go for the original ones, now i have in front on my desk this model în video, and the design is different and small spark gap.
Also no glue/ resin on back of pcb.
Could u also do a disessambly of the fake one ive got scammed and baught one and dont feel like forking another 40$ on the original(baught the fake thinking its legit)
It output 25w of charge and can charge the phone from 0-100 in around 50min.
I just want to know if its decent quality that wont affect my battery health if not guess im getting the official one now i know how to spot a fake one
Good idea. We'll consider that.
Please tear down Powerology 156W charger
can i use this (Samsung 25w charger) for charging my iphone SE 2022?
Yes, of course.
Can you tear down the Steam Deck charger when it gets released?
Possibly. But we have to wait until it's released.
good luck sir
I have galaxy note 20 ultra and there is liquid coming out from my charging adapter should i use the same charger or change it with new one? Plz tell me i don't wanna damage my phone.
Please buy a new one.
@@ChargerLAB thanks really appreciated
Do you have comparison video of Apple 20w and Samsung 25W charger teardown ? which one is better ?
Apple 20w is the best for iphone
i have anker nano iii 20w charger, for samsung S21, should i buy this one? or the nano port iii 20 w is good enough?
Only buy a charger that has the PPS feature. Without PPS, on a Samsung phone, you'll only get 15 watt charging.
i have s21 also, and USB checker with the 25watt samsung i bought separately charger it charges only 20watt at max anyway :(, so take what cheaper for you (it stll faster by about 10% faster then 15W version
I was considering same question whic is better this one or anker ace 25w as component quality and for batter lifespan ? I don't care much tinny charging time differences.
I wonder how different the fake ones look like for this model. They are rampant
QC4, nice. Could not find that from Samsung.
Samsung 25W uses PPS/PD protocol
So this is actually a 30w charger under PPS mode? 11v 2.75a
It's should be 2.25A. Sorry about the mistake.
please teardown baseus/ugreen 25w 🙏
You're killing me Smalls! A few things here
1 you're the only video I'm coming across to explain the internals
2 The 25w is considered a Super Fast Charger, not fast charger (kind of a big difference
3 There's a part that seems to burnout that drops it from Super Fast Charging to Fast Charging (I'm sure there's more than just me that wants to know why)
4 Why didn't you show what's holding that plate in?! Is it one way clips, apoxy, sealed some other way?!
Please, if you repost a video on this, I hope I come across it coz there's a few chargers I'd like to fix
Thanks for your advice.
I just dropped this charger on the ground.. Silly question, but do you think anything will break on the inside?
charger is tougher than you thought.
Why would you ask the question of your charger still works?
Does it support QC 3.0 for my htc u11?
It can support QC4 and cannot support QC3.0.
Only the QC4+ can be compatible with QC3.0.
@@ChargerLAB if it cannot support my phone with QC 3.0,
what would be its max charging wattage then?
My one stoped working after 2months
i dont know why , but my S21 draw only 20watt of the 25w (from 1-20%) then it become 16watt after 20%
The 25W only means the peak power, the power will gradually decreased during the charging.
I need this charging 25w female type c on board connector
We do not know this as well.
The fact that Samsung doesn't use folding plugs for these (in regions that use type A plugs) really annoys me.
Get a life and stop crying like baby 🍼
I had this charger along with Galaxy A71 (2020).
Now I'm using it with Galaxy S20 FE 5G.
One day, it had problems, it charges very slowly, 1 percent per 5 minutes.
My observation:
if it's charging normally, there's a consistent buzzing inside.
But when it doesn't charge normally (starts to charge slowly), the buzzing fluctuates.
The (temporary) solution was to unplug the charger then plug it again every 2 minutes.
Super Fast charging is enabled, nothing is wrong with the phone.
What do you think the problem of this charger?
I need help, do you think it can still be repaired?
Sorry we can't judge the problem from the outside.
We'll recommend you to buy a new one, cause the charger is pretty hard to be fixed.
@@ChargerLAB oh, I see.
Thank you for the quick response.
Dear, please make a video for fake Samsung 25w ( Chinese) vs Original Samsung 25w charger and what inside in fake Samsung 25w charger so the people understand difference between original and fake. Thanks
Teardown samsung 25 watt uk pin (3pin)
CapXon eww
Cheap components. I dont like 😪
not really
And CapXon was used în reputable PC Psus.
Transformer is low profile
And output cap is low esr.
Good configuration for nowadays
What a garbage caps samsung is putting into this chargers smh...No wonder why apple chargers cost a lot more than this one, cause they have nippon/nichicon inside or rubycon, not this capxon garbage, the worst caps ever.
Is this gan charger ? If not is ugreen a good brand ? Im planning on buying the dual port 45 watts one since its similar priced to this and that one is gan charger and dual port too .
The Samsung 25W is not a GaN charger. If you have multiple devices need to be charged at the same time.
I would recommend you to buy a dual/multiple port charger.
And also, UGREEN is a well-known brand, we took apart lots of products of this brad.
Samsung USB-C 45W charger has GaN technology?