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Home › Teardowns › Chargers › Teardown of Baseus 140W PD3.1 GaN Charger

Teardown of Baseus 140W PD3.1 GaN Charger

Joey
2 weeksagoChargers
0 0
$89.99 on Amazon US

Introduction

As the PD3.1 protocol is equipped on more devices, more third-party chargers on the market can support 140W now. And today, we got a 140W multi-port charger from Baseus, equipped with two USB-C ports and a USB-A port. So let's go ahead and take it apart to see how it works.

Product Appearance

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The front of the box is printed with Baseus logo and the product itself. It is called the "GaN 5 Pro Fast Charger".

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The specs info in different languages are printed on the back.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The box includes the charger, cable, user manual, warranty card and cartoon stickers. The charger is wrapped with an anti-scratch film for protection.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

This is a 240W dual USB-C cable, which can fully support 240W and PD3.1 protocol.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The length is about 1.06m (3' 5.73'').

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The ChargerLAB POWER-Z KM002C shows that this is a USB 2.0 cable and supports 240W super fast charging.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The charger is pretty like the Apple 140W charger with a rectangular shape, but with two more USB ports.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

It adopts a black matte design with the 140W GaN printed on the side.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

A small indicator light is at the corner.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

This charger has passed ETL, FCC certification.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The specs info is very complicated. The model is CCGAN140CS. It can support input of 110-240V 50/60Hz 3.5A. Only the USB-C1 can support 140W, and the other USB-C port can only support up to 100W. And when charging multiple devices, the 140W output will be distributed automatically. The manufacturer is Baolaipo Communication.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The input prongs can be folded, which is easy to carry around.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

All the USB ports at the output panel are orange. And the C1 and C2 are printed below the USB ports.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The baseus logo is above them.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The length of the charger is about 94mm (3.7 inches).

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The width is about 60mm (2.36 inches).

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

And the height is about 30mm (1.18 inches).

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

Compared with Apple 140W charger, the size is almost the same.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

This is how it looks like on my hand.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

And the weight is about 287g (10.12 oz).

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The ChargerLAB POWER-Z KM002C shows USB-C1 supports FCP, SCP, AFC, QC3.0/4+, PD3.1, and PPS protocols.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

It also supports six fixed PDOs of 5V3A, 9V3A, 12V3A, 15V3A, 20V5A, 28V5A, and a set of PPS.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

And the USB-C2 supports FCP, SCP, AFC, QC3.0/4+, PD3.0, and PPS protocols.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

It can support five fixed PDOs of 5V3A, 9V3A, 12V3A, 15V3A, 20V5A, and a set of PPS.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

Finally, the USB-A supports FCP, SCP, AFC, and QC3.0 protocols.

Teardown

Next, we gonna take it apart to check out the internal components and structure.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

Firstly, remove the bottom cover, we can see a large area of pure copper heat sinks.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The entire module is covered by the heat sinks, and a layer of black Mylar sheet for insulation is under it.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

These two heat sinks are connected together on this side.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

And also on the other side.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The length of the PCBA is about 90mm (3.54 inches).

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The width is about 55mm (2.17 inches).

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

And the height is about 25mm (0.98 inches).

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

Remove the heat sinks outside the PCBA module, the Mylar sheet has a thermal pad to dissipate heat.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The gaps between different components are filled with gray silicone adhesives. It can fix the components and dissipate heat.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

A Mylar sheet is inserted into the PCBA module and fixed with adhesives for insulation between primary and secondary side.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

Clean up the PCBA module. The AC input, fuse, varistor, common mode choke, safety X2 capacitor and the secondary common mode choke are on the left. The rectifier bridge, filter inductor and filter capacitor are on the right side of the common mode choke. Above is the PFC boost inductor. A high voltage filter capacitor is on the left of the PFC boost inductor.

There is a small PCB above the PFC boost inductor, and there is a primary master control chip on it. On the right side of the PFC boost inductor are the resonant capacitor and inductor. The inductor and small PCB are below the transformer, and the layout is very compact.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

Flip to the back, the synchronous rectifier MOSFET and the controller are in the upper left corner, the LLC half-bridge MOSFET and the PFC boost MOSFET are on the right. The buck MOSFET and buck-boost controller are on the low-voltage side, and there is an MCU for secondary control.

ChargerLAB found it adopts LLC topology and has a PFC circuit. The 140W USB-C port adjusts the output voltage through a buck-boost circuit, and the 100W USB-C and USB-A port output through a buck circuit to achieve independent fast charging of the three ports.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The AC input is connected to the PCBA through two wires, and the solder joint is reinforced with adhesives.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The time-delay fuse is from Better Electronics. 3.15A 250V.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

This blue varistor marked with 10D471K is used for overvoltage protection.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The first common mode choke is wound with magnet wires and insulated wires.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The safety X2 capacitor is from DGCX. 0.47μF.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The second common mode choke is wound with flat copper wires.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The model of the bridge rectifier is GBU1506. 15A 600V.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

This film filter capacitor is 0.68μF 400V.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The filter inductor is insulated by heat shrinkable tubing.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

And this film filter capacitor is 1μF 450V.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The primary controller of the charger is soldered on the front of the vertical PCB.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

And the resistor capacitor is on the back.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The primary PWM master control chip adopts NXP TEA2016AAT, which is a chip with built-in LLC controller and PFC controller. It integrates a digital architecture control, which simplifies the design and reduces the number of peripheral components. The chip has multiple protection features, and the integration level is very high.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

Those two tiny electrolytic capacitors from Yuguang Electronics can power the primary controller. 47μF 50V.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The NV6127 GaN IC for PFC circuit is from Navitas, which integrates GaN FET, GaN driver and logic circuit. It adopts QFN 6 x 8 package, with upgraded heat dissipation performance, 125mΩ resistance, and built-in driver to support 10-30V power supply. It also supports up to 2MHz switching frequency.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

ChargerLAB found that Lenovo 90W flash charging dual-port GaN charger, Baseus 120W GaN plus silicon carbide PD charger also use Navitas NV6127 GaN IC. In addition, Navitas GaNFast power IC has been used by OPPO 50W mini GaN Fast Charger, RAVPOWER 65W GaN Fast Charger, Xiaomi 65W GaN Charger, SlimQ 65W GaN Fast Charger, Anker PowerCore Fusion PD Super Extreme Charger, RAVPower 45W GaN PD charger, Baseus 65W GaN charger and other products, and have been highly praised by the market.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

This is the sampling resistor, used to detect the current of the PFC circuit. It adopts 2512 package, and the resistance is 50mΩ.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The PFC boost inductor is tightly wound and insulated with yellow tape.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The PFC boost rectifier consists of three ultra-fast recovery diodes.

They are connected in parallel and marked with E5JB. 600V 5A.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

Those three electrolytic capacitors for input filtering are from Yuguang Electronics. 27μF 450V.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The other electrolytic capacitor is also from Yuguang Electronics.

18μF 450V. And 99μF in total.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

This LLC MOSFET is from HRmicro and adopts DFN8 x 8 package. Model is HRD65T180GE. 700V, 180mΩ.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

And this is another same MOSFET.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The LLC resonant capacitor is 0.033μF 630V.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

And the resonant inductor is wound with yellow tape.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The LLC transformer is also tightly wound with tape for insulation, and the output adopts multi-layer insulated wires.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The SMD Y capacitor marked with TMY1102M is from TRX, which features in small size and light weight, and are very suitable for high-density power supply products such as GaN charger.

Teruixiang focuses on the R&D, production and sales of passive components, with a registered capital of 100 million yuan. It has two types of capacitor brands: SMD TRX and DIP TY capacitors. TRX will devote itself to the research of ceramic materials in order to provide customers with more solutions.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

ChargerLAB found that Baseus Qualcomm QC5 certified 100W GaN fast charger, Mcdodo 100W GaN charger, OPPO 65W super flash GaN charger, Lenovo 90W GaN fast charger, Nubia 65W GaN charger, Baseus 120W GaN plus silicon carbide PD chargers are using TRX SMD Y capacitor. It can also be used in ARUN, DIVI, Belkin 20W mini fast charger, the performance has been widely recognized by customers.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

Another blue Y capacitor is from DGCX.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

This is the EL1019 optocoupler, used to regulate the output voltage.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The synchronous rectification controller adopts NXP TEA1995, which integrates two independent drivers for synchronous rectification circuit. It can support 38V working voltage, which can meet the 28V output of USB PD3.1.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

Those two synchronous rectifiers are from Hunteck and adopt DFN5 x 6 package. Model is HGN046NE6AL. 3.8mΩ, 65V.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

Those three solid capacitors for output filtering are from Reloncap. 220μF 35V for each.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

This is the inductor for output filtering.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The other three solid capacitors are 470μF 35V.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The VBUS MOSFET, USB-C and USB-A sockets are on this output PCB.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

And a protocol chip is one the back.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

This Injoinic IP2736 protocol chip integrates voltage reference, programmable voltage/current loop control, low-side current detection, and line loss compensation. It also supports optocoupler feedback for power adapter, changes the output voltage through DC-DC controlled by I2C and FB, and is suitable for applications such as car chargers, portable power stations, chargers, power banks, and electric tools.

Thanks to the support of multiple feedback forms, IP2736 can be used with switching power supplies with QR, ACF, LLC and other circuit structures for PD fast charging, and can also be used with high-power car chargers and power banks with buck-boost circuits and other applications.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab
Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The synchronous buck-boost controller adopts southchip SC8701, which is a 4-switch controller, which supports an input range of 2.7V to 36V and an output range of 2V to 36V. The driver voltage is set to 10V to fully utilize the external MOSFETs for maximum efficiency.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

ChargerLAB found that southchip buck-boost chips are widely used in chargers, wireless chargers, power banks, car chargers and other products. The Xiaomi 80W air-cooled wireless charger, Huawei 50W wireless car charger, Anke PowerHouse II 400 portable power station, YOOBAO 300W portable power station, Zimi 200W PD power bank, Zendure SuperTank Pro 100W two-way power bank, Samsung 10000mAh 25W PD power bank and Xiaomi 20000mAh 50W power bank all use their chips.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

Those two MOSFETs are from Adamant and adopt PPAK 5x6 package. Model is AD40N60D5. 40V, 4.3mΩ for each.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

ChargerLAB found that Adamant MOSFET have entered the supply chain of many well-known brands such as Xiaomi, mophie, Meizu, Bull, UGREEN, and Netease, and the product quality has been highly recognized by the market.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

Here are two same MOSFETs.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

This is the buck-boost inductor, which is insulated with a heat-shrinkable tubing and fixed with silicone adhesives.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The input VBUS MOSFET is from ruichips and adopts PDFN3333 package. Model is RUH4040M2. 40V 5.5mΩ.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The master control chip of the 100W USB-C port and USB-A port buck circuit adopts Ismartware SW3516H, which is used for buck control and protocol identification. It is a highly integrated multi-protocol charging chip, supports USB-A plus USB-C port fast charging output, and supports dual-port independent current limiting.

It integrates a 5A high efficiency synchronous buck converter, which support PPS, PD, QC, AFC, FCP, SCP, PE and SFCP protocols, dual-port management logic.And the maximum PD output is 100W. It only needs a small number of components to form a complete high-performance multi-protocol dual-port charging solution.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

ChargerLAB found that ASUS 65W GaN charger, Nubia 65W three-port GaN charger, Rapoo 65W GaN charger, UGREEN 65W 4-in-1 GaN charger, Lenovo 90W dual-port GaN charger, HUNDA 120W four-port charger and other products also use SW3516H. In addition, Ismartware's fast charging chip can also be used for USB PD power banks, car chargers, etc.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

And here is another SW3516H.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

And these two buck MOSFETs are from ruichips. Model is RUH4040M2.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The other two buck MOSFETs are the same.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The buck inductor is insulated by heat shrinkable tubing.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

Those two blue solid capacitors are from CapXon PT series, used for output filtering of USB-C2 and USB-A, respectively. 470μF 25V for each.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

This 8-bit MCU is from Chipsea and adopts MSOP10 package. It integrates 12-bit ADC and is used to control the output power automatically. It also integrates an oscillator and supports 2.4-5.5V working voltage. The model is CSU32P10

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab
Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

This is the LED power indicator.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

The plastic sheet inside the USB-C socket is orange.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

And the plastic sheet inside the USB-A socket is also orange.

Teardown of Baseus 140W PD3.1 GaN Charger-Chargerlab

That's all for the teardown.

Summary of ChargerLAB

Well, that's all components of this 140W PD3.1 charger from Baseus. The USB-C1 can support up to 140W and has almost the same size as the Apple 140W. But unlike the Apple 140W, it has an extra USB-C and USB-A port. So, you can fast charge multiple devices at once.

After taking it apart, the internal layout is pretty compact. Multiple small vertical PCBs can significantly reduce the charger's size. It has two-way independent output circuits, used for USB-C1 and USB-C2, USB-A, respectively.

This product is priced at $89.99. You can click the button at the beginning or the end of the article to get one.

$89.99 on Amazon US

Related Articles:
1. Teardown of Baseus 100W Slim Laptop Power Bank (Blade Series)
2. With USB-C Cable | Teardown of Baseus 65W Elf Power Bank (20000mAh)
3. Teardown of Baseus 20W 10000mAh MagSafe Wireless Power Bank (For iPhone 14/13/12)

140W Baseus GaN PD3.1
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The article is originally written by @Joey posted on Chargerlab. All rights reserved.
PD3.1 Protocol | Baseus Launched 140W GaN Charger
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