Company News
For the convenience of consumers, more and more manufacturers are choosing to integrate patch panels and fast charging chargers together, while providing AC power expansion and fast charging functions, without the need for additional chargers, making it very convenient to use. Our well-known fast charging manufacturer Beisi has launched a 40W output power fast charging plug board, providing two new national standard five hole sockets and one two hole socket.
In addition, it also has three output interfaces of 2C1A, supporting 20W+20W output power, and can quickly charge two Apple phones simultaneously. At the same time, the patch panel also integrates digital protection circuits, supporting input overvoltage, undervoltage, and output overcurrent protection, improving power safety. Below, the charging head network will disassemble the GaN fast charging plug-in board from Beisi to see how the internal design works.
Beisi 40W Gallium Nitride Desktop Socket Unpacking
The front of the packaging box is printed with the Baseus brand, product appearance image, name, as well as AC-DC and GaN selling point logos. In addition to the classic black and white color scheme, there are also blue options available for selection.
The back is printed with a product usage scenario diagram, which can simultaneously power devices such as televisions, air purifiers, mobile phones, and tablets. In addition, detailed product parameters, certification information, etc. are also printed.
In addition to the socket book, there are also cartoon stickers, user manuals, and warranty cards inside the packaging, and the product is covered in a dustproof plastic bag.
The blue version is being disassembled in this issue, and the socket body is also wrapped in scratch resistant plastic film, with exquisite details.
This product continues the design of the Beisi Gallium Nitride desktop socket series, comes with a power cord, and the body is in the shape of a long square pillar.
The power cord adopts a three pin plug, and the pins are covered in a plastic case.
The plug has a specification of 10A 250V~on the inside and has passed CCC certification.
The junction between the power cord and the body is equipped with a rubber sleeve for enhanced protection.
The AC jack area on the top of the body and the output end casing are all treated with bright surfaces, while the rest are frosted and fingerprint resistant, with a smooth transition between each surface.
A close-up of the top AC jack, with a built-in safety door to prevent foreign objects from entering, and a bright surface treatment in the area.
In addition, there is also a main control power button on the top, and an indicator light ring design on the periphery. One click shutdown saves power and is safe, intelligent and practical.
The edge design has the Baseus brand.
There are 3+2 new national standard combination sockets on both sides of the body.
There is also a 40W GaN design on one side near the USB output port.
The bottom of the body is printed with charger parameter information.
Product parameter close-up
Model: CCGAN40-3ACC
Rated voltage: 250V~
Rated power: 2500W Max
Rated current: 10A Max
Input: AC 200-240V~, 50/60Hz 1A Max
Type-C1/C2 output: 5V3A, 9V2.22A, 12V1.67A
USB output: 5V3A, 9V2A, 12V1.5A
Type-C1+Type-C2: 20W+20W
Type-C1+USB: 20W+18W
Type-C2+USB: 15W
Type-C1+(Type-C2+USB): 20W+15W
Type-C1 20W: 5V3A, 9V2.22A, 12V1.67A
USB 18W: 5V3A, 9V2A, 12V1.5A
15W: 5V3A
The product has passed CCC certification.
The output end is equipped with three 2C1A USB ports, all of which are orange rubber cores, and there is also a logo printed next to the port for easy differentiation.
The measured length of the power cord is approximately 1.5 meters.
The body length is 108.99mm.
The width is 46.45mm.
The thickness is 41.98mm.
The intuitive feeling of holding the socket in hand.
The total weight of the product is approximately 337g.
When the power is turned on and the switch is pressed, the indicator light ring will light up in green, allowing users to intuitively understand the button closure status.
Using ChargerLAB POWER-Z KM002C, it was found that the USB-C1 port supports FCP, SCP, AFC, QC3+, and PD3.0 fast charging protocols.
And it also has three sets of fixed voltages: 5V3A, 9V2.22A, and 12V1.67A.
The USB-C2 port supports FCP, AFC, QC3+, PD3.0, and Apple2.4A charging protocols.
And it also has three sets of fixed voltages: 5V3A, 9V2.22A, and 12V1.67A.
Firstly, pry open the back cover of the patch panel, which consists of an independent module structure consisting of a socket module and a fast charging module.
Paste a thermal conductive pad on the fast charging module to enhance heat dissipation performance.
The AC input is soldered and connected to the fast charging module, which is then connected to the socket module. Two modules are insulated with Mylar sheets.
Close up of the connecting wires between the socket module and the fast charging module.
Take out the socket module inside the shell, and the corresponding socket of the module has an independent safety door.
The socket module adopts an integrated copper strip and PCB board combination welding.
The fast charging module is composed of four PCBs welded together into a whole, and components such as transformers and capacitors are welded inside the space enclosed by the PCBs.
On the other side, you can see the relay used to control the AC power supply.
Split the four small boards into control circuit power supply, fast charging power module, input voltage and current detection control circuit, and output protocol circuit.
Through observation of PCBA, it was found that Beisi's 40W 2A1C fast charging plug-in board is equipped with three built-in switching power supplies, which are used for fast charging output, relay control, power detection, and touch functions. The two fast charging power supplies use high-frequency flyback switching power supply with wide voltage output, and the output voltage is fed back to the primary control chip by the protocol chip. The output voltage is adjusted to supply power to the output interface, achieving a single port fast charging and a multi port 5V output strategy. Let's start from the input end to understand the design and materials of the entire charger.
The input small circuit board is a voltage and current detection and control circuit, a welding current sampling resistor, a sampling chip, and a relay.
On the back of the small board are components such as non isolated step-down switch power supply and control power supply relays.
A close-up of the input terminal fuse resistance, with a specification of 10 Ω 1W, used for input overcurrent protection and insulated with a heat shrink tube.
The input safety regulation X2 capacitor is from KWOKTRAN Guocan Electronics, with a capacity of 0.1 μ F.
The input end has a rectifier bridge from PY Pingwei, model ABSR10, specification 1A 1000V.
Two output filter capacitors with a specification of 400V 4.7 μ F.
Close up of differential mode inductance.
The non isolated step-down circuit adopts the Li Sheng Mei LN8K05A non isolated step-down converter, which integrates a 750V withstand voltage switch tube internally and supports a 5V fixed voltage output. The output current can reach 150mA, and the peripheral components are simplified.
Output filter capacitor for non isolated step-down circuits, specification 10V 220 μ F.
The detection chip used for measuring AC voltage and output current, from Heli, model HLW8032, is used for measuring AC voltage, current, and power. It is combined with a microcontroller to achieve overvoltage and overcurrent protection function for sockets, ensuring safe electricity use.
A 1m Ω current detection resistor used to detect AC current output, packaged in 2512.
The relay for controlling AC output comes from Hongfa, model HF32FV-G, with a contact current of 10A and a coil voltage of 5V, used to control the AC output of the patch panel.
Another power control circuit board is welded with LED indicator lights, switch power supply, and control microcontroller, used for overvoltage and overcurrent signal detection and touch control functions.
The back of the small board is welded with a transformer, a solid-state capacitor, and an electrolytic capacitor. Solid state capacitor with rubber cap insulation.
The voltage drop chip on the small board is from Jingfeng Mingyuan, model S7132S, which is a primary controlled switching power supply chip and is packaged in SOP7.
A close-up of the switch transformer, with the secondary winding made of multi-layer insulated wires and fixed with white glue.
The SMD Y capacitor comes from Sichuan Teruxiang Technology Co., Ltd., model TMY1681M, which has the characteristics of small size and light weight, making it very suitable for application in high-density power products such as gallium nitride fast charging.
Terui Xiang focuses on the research and development, production, and sales of passive components, with a registered capital of 100 million yuan. There are two types of independent capacitor brands under TRX: SMD TRX and DIP TY capacitors. TRX will be committed to researching ceramic materials to expand the application of more categories and provide customers with more solutions.
Charging head network has learned that in addition to beingMaiduoduo 100W gallium nitride、OPPO 65W Super Flash Charge Gallium Nitride Charger、Lenovo 90W gallium nitride fast charging、Nubia 65W Gallium Nitride Charger、Beisi 120W Gallium Nitride+Silicon Carbide PD Fast Charging ChargerBesides using dozens of high-power chargers, it can also be applied toARUN、First Guard、BelkinWaiting for brand 20W mini fast charging，The performance has been unanimously recognized by customers.
OR-1009 optocoupler is used for state control.
The SSL34F diode is used for output rectification.
The output filtering solid-state capacitor comes from Yunxing, with a specification of 330 μ F 6.3V.
Screen printed BP0K104 MCU for overvoltage and overcurrent protection function detection.
A touch chip screen printed with 2C24A5 is used to detect the touch operation of the spring.
On the far left side of the fast charging power module are input fuses, varistors, safety X2 capacitors, common mode inductors, welded high-voltage filtering capacitors and differential mode inductors on the right side, two transformers and SMD Y capacitors on the right side, and two filtering solid-state capacitors on the far right side.
The specification of the input delay fuse is 3.15A 250V.
NTC thermistor screen printing 1R5 is used to suppress the impact current of the fast charging module connected to the power supply.
X2 safety capacitor from KWOKTRAN Guocan Electronics, with a capacity of 0.1 μ F.
The common mode inductor is wound with insulated wire and enameled wire, and is insulated with a heat shrink tube.
The rectifier bridge is from Pingwei, model TMBF310, and specification 3A 1000V.
Four high-voltage filtering capacitors are from emerald, of which three are 400V 22 μ F.
Another one with a specification of 400V 15 μ F. The total filtering capacitor capacity is 81 μ F.
The differential mode inductor is wound with a magnetic ring and insulated with a heat shrink tube.
There are two switch power supplies welded to the fast charging module, one of which is a gallium nitride main control chip paired with gallium nitride switch transistor, and the other is a power chip integrated with MOS transistor.
The main control chip of the switching power supply adopts Maorui core MK2697A, which is a QR PWM controller optimized for PD/fast charging applications. Its wide VCC operating voltage range (9V-90V) allows it to cover the output range of PD/PPS from 3.3V-23V without the need for additional windings or linear step-down circuits.
MK2697 is designed for energy efficiency requirements. Due to the multiple different output voltages of PD/fast charging, an adaptive multi-mode is adopted. It adjusts and works on DCM/QR under different loads and outputs. When under light load, it will work in burst mode to improve efficiency.
MK2697A provides comprehensive protection functions, including output OVP, OPP, VCC OVP, BROWN-IN/OUT, secondary SR short circuit protection, PIN pin OPEN/SHORT protection, etc.
According to the disassembly of the charging head network, there are also those who use the Maorui core fast charging solutionHuakesheng Mini 33W Quick Charge、Beisi 20W 1A1C Fast Charging Charger、Essawat 65W 2A1C Gallium Nitride Fast Charge、air-J 18W 1A1CFast charging chargerProduct adoption。
The gallium nitride power chip adopts InnoSecco INN650DA04, with a withstand voltage of 650V and a conductivity of 480m Ω (max). It has the characteristics of high frequency efficiency, extremely low loss, and fast active heat dissipation. At the same time, it adopts DFN5 * 6 packaging to achieve a small volume and high efficiency charger design.
Information on INN650DA04 from InnoSecco.
INN650DA04 is the second generation new product of the InnoGaN series, which has previously beenGu Shi Technology Mini 30W Gallium Nitride Fast Charge、Kexun Mini 33W Fast Charging Gallium Nitride、REMAX 30W gallium nitride fast charging、Nubia 30W Gallium Nitride Sugar Quick Charge、Ruiyuan Industrial 33W 1A1C gallium nitride fast chargingBy adopting dozens of 30W fast charging products, the chip quality has been recognized by the market.
The other main control chip of the switching power supply adopts Maorui core MK2768, which is a PWM power switch optimized for fast charging applications. Support a wide range of power supply voltage, meet the output of 3.3V-12V, without the need for additional windings or step-down circuits. For energy efficiency requirements, MK2768 adjusts the switching frequency and peak current according to the load to achieve higher efficiency. The chip integrates protection functions such as power overvoltage, SR short circuit, and pin open circuit short circuit protection.
Detailed information of Maoruixin MK2768.
The other transformer is of the same design.
The SMD Y capacitor comes from Sichuan Teruxiang Technology Co., Ltd. It has characteristics such as small size and light weight, and is very suitable for application in high-density power products such as gallium nitride fast charging. The part number is TMY1222M.
Terui Xiang focuses on the research and development, production, and sales of passive components, with a registered capital of 100 million yuan. There are two types of independent capacitor brands under TRX: SMD TRX and DIP TY capacitors. TRX will be committed to researching ceramic materials to expand the application of more categories and provide customers with more solutions.
Charging head network has learned that in addition to beingBeisi Qualcomm QC5 certified 100W gallium nitride fast charging、Maiduoduo 100W gallium nitride、OPPO 65W Super Flash Charge Gallium Nitride Charger、Lenovo 90W gallium nitride fast charging、Nubia 65W Gallium Nitride Charger、Beisi 120W Gallium Nitride+Silicon Carbide PD Fast Charging ChargerBesides using dozens of high-power chargers, it can also be applied toARUN、First Guard、BelkinWaiting for the brand's 20W mini fast charging, the performance has been unanimously recognized by customers.
Two OR1009 optocouplers are used for feedback regulation of both outputs.
The filtering capacitors corresponding to the two outputs are from the Emerald, BC series solid-state capacitors, with a specification of 680 μ F 16V.
The other route has the same specifications.
The output side small board is welded with two protocol chips, two USB-C motherboards and one USB-A motherboard, as well as corresponding VBUS switch tubes.
The USB-C base and USB-A base are both fixed by through-hole welding, which is sturdy and durable.
The USB PD protocol chip adopts Tiandeyu JD6606S. Passed USB PD 3.0 certification TID: 3768. This is a high-performance and highly compatible fast charging protocol chip, packaged in SOP-8 and supporting USB PD3.0 fast charging. In addition, it also supports mainstream charging protocols such as QC3+, QC3.0, QC2.0, AFC, FCP, SCP, and APP 2.4A.
Detailed information of Tiandeyu JD6606S.
According to the disassembly of the charging head network, the Tiandeyu fast charging chip can be widely used in fields such as chargers, car chargers, mobile power supplies, energy storage power supplies, etcxiaomi、purple rice、MOMAX、gongniu、anker、Green Connection、BASEUS、pisen、Black Shark、Philips、PanasonicWell-known brands such asDozens of products adopt。
The other protocol chip comes from Cloud Silicon Semiconductor, model XPD738, used for USB-C and USB-A dual port control. XPD738 has passed USB PD3.0 certification (TID: 3479) and supports fast charging protocols such as PD2.0/3.0, PPS, QC2.0/3.0, FCP, SCP, HVSCP, AFC, etc. It is very suitable for application on 1C1A dual port charging devices.
XPD738 supports any single port fast charging with dual port output of 5V. When the A port is connected to an Apple charging cable but not connected to an Apple phone, the C port still has fast charging.
Cloud Silicon Semiconductor XPD738 Information. According to the disassembly of the charging head network, the Yunsi Semiconductor XPD series fast charging protocol chip has been adopted by dozens of products from multiple brands, such as Lenovo's 20W 1A1C fast charging socket, Aoji's 20W PD fast charging charger, Beisi's 20W mini PD fast charging, Hailutong's 20W PD fast charging, Aoji's 1A1C 32W fast charging, Aoruike's 20W USB PD fast charging, and Leqi's leading 20W PD fast charging, to seize the opportunity of 20W PD fast charging，Fuman Group's monthly sales of cloud silicon semiconductor PD protocol chips have exceeded ten million.
The VBUS switch tube for the USB-A port is from Huana, model AET3122CP. It is a 30V withstand PMOS with a conductivity of 8.5m Ω and is packaged in PDFN3030.
The USB-C interface is fixed by via welding, and the orange rubber core does not expose copper.
The USB-A bus has a widened positive and negative pole design, supporting high current fast charging.
Complete disassembly and a family photo.
Summary of dismantling the charging head network
The fast charging plug-in board launched by Beisi has a cable length of 1.5 meters, two new national standard five hole sockets and one two hole socket. It also has three output interfaces of 2C1A, supporting 40W fast charging output, and can meet the fast charging needs of two Apple phones at the same time. The patch panel also has a built-in touch switch and digital protection circuit, which can automatically cut off the power supply in case of abnormalities, protecting the electrical equipment.
According to the disassembly of the charging head network, this plug-in board is equipped with two built-in switching power supplies for fast charging. One of them uses the Maorui core MK2697A main control chip, paired with the InnoSecco INN650DA04 gallium nitride switch transistor, and the other uses the MK2768 internal integrated MOS transistor main control chip. In terms of output protocol, Tiandeyu JD6606S is used for the USB-C interface, while Yunsi Semiconductor XPD738 is used for the 1C1A interface.
The internal fast charging module of the patch panel is composed of four PCBs welded together, and components such as transformers are welded in the space composed of PCBs. It is filled and fixed with glue to form a whole, increasing strength. Equipped with a separate power chip and metering chip, it supports touch control and abnormal protection functions, making it more reassuring to use.
