ChargerLAB has taken apart several chargers from Samsung.
You can click the upper right corner to take a look.
And today, we gonna take apart the brand new 65W trio charger from Samsung.
The packaging continues Samsung's design, similar to the 45W and 25W.
And the specs info are printed on the back.
Open the box.
There's no charging cable inside the box.
Only the 65W charger.
It adopts frosted black shell, and the prongs are fixed.
And, yeah, the "Super Fast Charging" logo is still in here.
Turn to back. We can see all the specs info,
same as what's printed on the box.
The model is EP-T6530.
It can support input of 100-240V 50/60HZ 1.7A.
And three devices can be charged at once.
You can simply pause to take a look.
It's equipped with two USB-C ports and a USB-A port.
And the maximum power is printed below.
The size of the charger is 70.97 x 52 x 30.08 mm (2.79 x 2.05 x 1.18 inches).
Compared with the Apple 61W charger, the size is much smaller.
The weight is about 153g (5.4 oz).
The ChargerLAB POWER-Z KT002 shows the USB-C1 supports Samsung 5V2A, DCP, PD3.0 and PPS protocols.
And it also supports five fixed PDOs of 5V 3A, 9V 3A, 15V 3A, 20V 3.25A, and three sets of PPS.
And then, the USB-C2 also supports PD3.0 and PPS protocols.
And it has two fixed PDOs of 5V 3A, 9V 2.77A, and two sets of PPS.
Finally, the USB-A supports QC2.0 and AFC protocols.
And then, let's take it apart.
Firstly, remove the top case. And then, take out the internal module.
We can see the yellow insulating tape and copper heat sink.
The back components are covered with silicone adhesives.
Remove the heat sink.
The front components are filled with silicone adhesives for heat dissipation and reinforcement.
Since there're two transformers on the front,
there're two independent switching power supply circuits.
They shared the EMI filter circuit, bridge rectifier, and filter capacitor.
ChargerLAB found both circuits adopt the QR flyback topology.
So, the left and right sides are symmetrical.
They're used for USB-C1 and the other two ports, respectively.
Then, let's start from the input to introduce all components.
Firstly, the time-delay fuse is from Better Electronics.
2.5A 250V.
The green varistor is used for input overvoltage protection.
And then, the common mode choke can filter out EMI interference of current.
The black safety X capacitor is 0.33μF, which can suppress differential mode interference.
The PI discharge chip is on the back of the X capacitor, which can discharge the X capacitor.
Then, the current will pass through the second common mode choke for interference filtering.
This is the bridge rectifier, which converts AC into pulsed DC.
Then, the capacitors and inductors can convert pulsed DC into pure DC.
The differential mode choke is wrapped with the insulating tube.
There're six electrolytic capacitors in total.
Three of them are from Chang electronics.
They're 400V 12μF, 400V 15μF, 400V 22μF, respectively.
The other three are from CapXon. 400V 15μF.
94μF in total.
Another two small capacitors are also from CapXon, which power the master control chip.
50V 10μF.
The master control chip is customized by Samsung from PI.
Model is SC1920C.
It integrates primary PWM controller, MOSFET, secondary synchronous rectifier controller, etc.
The other master control chip is the same.
An Anshan Keifat SMD Y capacitor is next to the master control chip.
Here are two transformers.
The synchronous rectifier is from China Resources Micro, which adopts DFN5x6 package.
100V, 4.8mΩ.
The other synchronous rectifier is the same.
Three USB output ports are protected by plastic shells.
There're four solid capacitors from CapXon, PF series.
30V 300μF.
Remove those capacitors.
There're two MOSFETs for the parallel connection of two circuits.
It's from SAST and adopts DFN3030 package.
30V.
The protocol chip of USB-C1 is actually an MCU from ABOV,
which supports output control and protocol identification.
The output VBUS MOSFET is from Winning Team.
Withstand voltage is 30V.
The synchronous buck-boost converter is from Southchip SC8721
and is used for output voltage conversion of USB-C2 and USB-A.
It integrates four transistors, which can effectively save space and improve efficiency.
It supports wide-range input and output voltage from 2.7V to 22V.
Here is the toroidal-core inductor.
This little solid capacitor is also from CapXon and is used for the USB-A.
12V 330μF.
Another protocol chip of USB-C2 and USB-A is also an MCU from ABOV,
which can control the output voltage.
After taking it apart,
we can find it's composed of two parallel circuits, 35W and 35W, respectively.
Most of the components of those two circuits are the same.
So, the power distribution strategy will be complicated.
When the USB-C1 works alone, two circuits are connected in parallel.
So, the USB-C1 can be up to 65W.
When USB-C1 works with USB-C2 and USB-A,
the USB-C2 and the USB-A will output through the other circuit.
Ok. That's all for today's video.
You can click the corners to check some previous videos of Samsung products.
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I'll catch you guys in the next video.