Hi, guys. Welcome back to today's video.
We tested the travel power adapter from MOMAX several days ago.
And today, we got a 7-in-1 charging station from MOMAX.
Except for six USB ports, it also integrates a wireless charging module.
Up to 100W output power makes it possible to fast charge your laptop.
The specs info seems complicated, and we'll talk about it later.
Open the box.
And take out the plastic tray.
The upper part is the charging station.
And the power cord and user manual are in a small box.
It's wrapped with a velcro cable tie.
And the two-prong AC plug means it's not grounded.
The AC connector on the other side adopts pure copper inside to improve its durability.
The length of the power cord is about 1.2m (3' 11.24'').
Since it's not grounded, it adopts plastic outer case, not metal case.
And the white top case corresponds to the wireless charging area.
It can only support up to 15W wireless charging.
The output panel has four USB-C and two USB-A ports on the side.
Both USB-A ports are orange, and the internal pins are widened.
The AC input socket is on the opposite side.
And the simpler specs info are printed on the right.
Model is UM28.
It supports input of 100-240V~ 50/60Hz 2.5A.
The USB-C1 and C2 can support up to 100W output power.
The USB-C3, C4, A1, and A2 only support up to 30W output power.
The total output power won't exceed 100W.
Four gray rubber pads are at the bottom, making it more stable on your desktop.
The size of this charging station is about 120 x 85 x 28.6mm (4.72 x 3.35 x 1.13 inches).
And the weight is about 293g (10.34 oz).
There is an LED light between the charging port and the bottom case.
After connecting to the power supply, it'll light up to indicate the charging status.
The ChargerLAB POWER-Z KM002C shows
the USB-C1 supports FCP, SCP, AFC, QC3.0, PD3.0, QC5, and PPS charging protocols.
And it also supports five fixed PDOs of 5V/9V/12V/15V 3A, 20V 5A, and a set of PPS.
We found the supported protocols, and PDO info of USB-C2 are the same as USB-C1.
Moving on to the USB-C3.
It supports FCP, SCP, AFC, QC3.0, PD3.0, QC4+, and PPS charging protocols.
As for the PDO info, it supports five fixed PDOs of 5V3A, 9V3A,12V2.5A, 15V2A, 20V1.5A, and a set of PPS.
The USB-C4 is also the same as the USB-C3.
Finally, both USB-A ports can support AFC, FCP, SCP, QC3.0, and QC2.0 charging protocols.
Continue to take apart this charging station.
Start from the top case.
The wireless charging coil is fixed by a plastic frame under the top case.
And the internal components are sparse but neat.
Next, remove all screws that fix the internal module.
And take out the internal module.
Here is the main PCBA module.
The input is on the right, while the output is on the left.
All SMD components on the back are covered with grey potting compound.
Separate different PCBs.
ChargerLAB found it adopts LLC topology and has a PFC circuit.
The current will be filtered by synchronous rectification circuit for output.
And six output ports are placed in a separate PCB.
Let's start from the input end.
Here's the input socket.
And the time-delay fuse is just behind it.
5A 250V.
The first common mode choke is next to the fuse and input socket.
Here is the blue varistor for input filtering.
The safety X2 capacitor is from ChamPion. 0.47μF.
The second common mode choke is obviously larger than the first one.
Those two bridge rectifiers are connected in parallel, from Pingwei.
They can form a full bridge to dissipate heat evenly.
3A 1000V.
Those two red film capacitors are from JURCC.
1μF 450V for each.
The filter inductor is between two film capacitors.
The two-in-one master control chip is from MPS HR1211,
which supports multi-mode PFC and current-mode LLC circuits.
The electrolytic capacitor that powers the master control chip is here.
100μF 35V.
The GaN IC for PFC boost is from Navitas and adopts QFN6 x 8 package.
It integrates GaN FET, GaN driver, and logic circuit.
The PFC boost inductor is tightly wound and insulated with yellow tape.
The PFC boost MOSFET is from EoChip and adopts DFN5 x 6 package.
It's actually a silicon carbide diode with a withstand voltage of 650V.
This is the SMD bypass diode for the PFC circuit.
The electrolytic capacitor is from Junkang. 22μF 450V.
The larger one is also from Junkang. 47μF 450V.
Those two LLC MOSFETs are from Oriental Semi and adopt DFN8 x 8 package.
650V, 190mΩ.
The green LLC resonant capacitor is also from JURCC.
And the LLC resonant inductor is wrapped with tape for insulation.
The LLC transformer is next to the capacitor and inductor of the LLC topology.
The SMD Y capacitor is from TRX.
A blue Y capacitor is on the edge of the front PCB.
And the optocoupler is used to regulate the output voltage.
Next, let's introduce the synchronous rectification circuit.
The controller is from MPS.
And two synchronous rectifiers are from Oriental Semi and adopt PDFN5 x 6 package.
60V, 10mΩ.
And the larger one is from PolyCap RS series. 470μF 25V.
The smaller solid capacitor is 680μF 25V.
The inductor next to two solid capacitors can power the output buck module.
And the other buck inductor is used to power the wireless charging circuit.
This solid capacitor for input filtering of the wireless charging circuit is also from PolyCap.
470μF 25V.
The synchronous buck converter is from TOLL Microelectronics and adopts SOP8 package.
The input voltage is 30V, and the output current is 3.5A.
This buck inductor is insulated with heat-shrinkable tubing.
The solid capacitor for output filtering is from PolyCap.
470μF 25V.
Next, let's see the wireless charging module.
The master control chip of wireless charging is from Celfras.
It integrates the driver of power transistor inside and can support up to 15W output power.
Those two MOSFETs are from Semione and adopt PDFN 3.3 x 3.3 package.
It can form a full bridge and drive the wireless charging coil.
30V, 12mΩ.
This red film resonant capacitor is 0.25μF 100V.
Here is the output buck PCB with six USB output ports.
Four USB-C connectors are soldered on four vertical PCBs.
Two solid capacitors for input filtering are from APAQ. 270μF 25V.
The other two input solid capacitors are 220μF 25V.
The 32-bit MCU with M0 core on the back is from Mindmotion and adopts QFN20 package.
It can automatically control the power distribution of different output ports.
Two LED lights can indicate the charging status.
Remove all four small PCBs.
Those two small PCBs are used for 100W output of USB-C1 and USB-C2.
They're exactly the same.
The protocol chips of the four buck circuits are from Ismartware,
which is used for buck control and protocol identification.
Those two synchronous buck MOSFETs are from Allepicsemi and adopt PDFN3030 package.
30V, 4.1mΩ.
The buck inductor and solid capacitor for output filtering are on the front.
The capacitor is from PolyCap RN series.
220μF 25V.
The other two small PCBs are used for the buck output of USB-C3, C4, and USB-A1, A2.
And the protocol chip and two synchronous buck MOSFETs are the same as the USB-C1 and C2.
The output VBUS MOSFET is also from Allepicsemi and adopts PDFN3030 package.
It's used to control the output power of dual-port.
30V, 8.5mΩ.
And the solid capacitor for output filtering is also the same.
Well, that's all components of this 7-in-1 charging station from MOMAX.
Unlike most charging stations we took apart, it comes with a wireless charging module.
The four USB-C and two USB-A ports can charge almost all of your devices at once.
It's a pity that the input socket and plug are not grounded.
But after taking it apart, we found the internal structure is quite neat.
The insulation and protection measures are also comprehensive.
OK. That's all for today's video.
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I'll catch you guys in the next video. Bye.