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Home › Teardowns › Chargers › Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger

Yi
2 yearsagoChargers
0 2

Not long ago, UGREEN released a Dual Type-c Port Fast Car Charger, and both ports support 20W PD fast charging and can maintain 40W total output, which is meet the needs of the driver who has two phones or two people who need to charge simultaneously. Next, the ChargerLAB will disassemble this car charger to see how the interior is designed.

1. The Appearance of UGREEN 40W Dual Type-c Port PD Car Charger

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

The outer Package design is quite simple. The car charger, product name, and brand icon were printed on the front side. And the font color is green, suitable for the brand.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Specifications of the car charger are printed on the back.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

The car charger supports over-temperature, over-current, and short-circuit protection.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

The package contains a car charger and instructions for use. The car charger is made of aluminum alloy shell, the surface is sandblasted, which makes the touch feels good.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Specifications of the car charger:

Model: CD213

Input: 12-24V / 4.5A

USB-C1 output: 5V3A, 9V2.22A, 12V1.67A

USB-C2 output: 5V3A, 9V2.22A, 12V1.67A

Total output: 40W Max

Manufacturer: Shenzhen UGREEN Technology Co., Ltd.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

A rubber ring is arranged between the positive and negative poles of the product to isolate them.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

The positive and negative contact points are magnetic and can attract small magnets.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

The output end is equipped with LED indicators and dual USB-C ports, the port’s black plastic insert does not expose copper, and the power indicator lights blue.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Use ChargerLAB POWER-Z KT002 to detect the output protocol of the USB-C 1 port, and show that it supports Apple 2.4A, Samsung 5V2A, DCP protocol, and QC2.0/3.0, AFC, FCP, PD3.0 fast charging protocol.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

In addition, the PDO message shows that the C1 port also has three sets of fixed voltage gears: 5V3A, 9 V2.22A, and 12V1.67A.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Also, the output protocol and PDO messages of the USB-C 2 port are the same as those of the C1 port after using KT002 to test.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

The two ports support power blind insertion, which is easy to use.

2. Teardown of UGREEN 40W Dual Type-c Port Fast Car Charger

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Disassemble the top plastic shell, which is using buckles for packaging.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

There are metal sheets between two small inner PCB boards.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Take out the car charger module.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Barley insulation paper is pasted on the two small boards and the side next to the shell.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Tear off the Barley insulation paper; the back of the board is equipped with a buck converter, protocol chip and output VBUS switch tube.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

The other small board has the same circuit design.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

It can be seen from the side that the two input and output filter capacitors and step-down inductors are also fixed in each board, and a Heat-shrink tubing protects the inductor.

Through observation, the car charger adopts two independent buck circuit, the protocol chip controls and identify the output voltage architecture. And two circuits are exactly the same. Next, we start from the input end to understand the specification of each component.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

There is a red wire on the input spring to reduce resistance.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Close-up of SMD fuse.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Close-up of the input filter electrolytic capacitor, the specification is 35V 100μF.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Southchip SC8112 is a dual-output 6A synchronous rectification step-down converter with a built-in switch tube and pass-through mode. Its output voltage can be set by voltage divider resistance and support high-precision output current limit. The total output power can be set by resistance, make it convenient for constant power output. It also supports line loss compensation, and complete protection functions, including over-voltage, over-current protection, short-circuit protection, and over-heat protection, suitable for car chargers, multi-port wall chargers, hubs, and industrial applications.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Information of Southchip SC8112.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Close-up of the buck output filter solid capacitor, the specification is 16V 220μF.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

The protocol chip uses Hynetek HUSB339, which has passed the USB PD3.0 certification, TID 62. HUSB339 is a high-performance and high integration of USB Type-C Power Delivery controller, integrated charge Protocol, like PD2.0, PD3.0, PPS, QC2.0 / 3.0, BC1.2,5V2.4A; suitable for power adapters, car chargers, power bank, etc. It has two packaging modes: SOP-14L and QFN-16L.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Information of Hynetek HUSB339.

ChargerLAB found that the Hynetek HUSB339 chip is mainly used in the PD fast-charging products. It has been previously used on IDMIX 20W fast charger, Belkin 30W GaN charger, Bull 20W charger, SlimQ 65W GaN USB PD fast charger,  MSH 30W USB PD fast charger, Nanfu Aircharge 65W PD fast charger and other products.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

The output VBUS switch tube adopts Ruichips RU30L30M, PMOS, withstand voltage 30V, packaged by PDFN3333.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Data of Ruichips RU30L30M.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

Close-up of the LED indicator.

Teardown Report - UGREEN 40W Dual Type-c Port Fast Car Charger-Chargerlab

After all the teardown is complete, let’s take a “family portrait.”

Summary of ChargerLAB

This car charger of UGREEN is made of aluminum alloy shell, and the surface is sandblasted, makes it feels smooth. The car charger has two dual USB-C ports, and both support QC, AFC, FCP, PD3.0 fast-charging protocols and a maximum of 20W fast charging. Besides, the performance of the two ports is the same and supports blind insertion. There is no need to distinguish when used by one person, which is very convenient. When two people use it, it supports 20W fast charging output, which can meet the fast charging requirements of two devices simultaneously, which is very practical.

The ChargerLAB found that the car charger has two built-in PCB boards supported and fixed by metal sheets. Due to the metal shell, two PCB boards are affixed with barley paper for insulation. In addition, the circuit design of the two boards is the same. Both use Southchip SC8112 for step-down and Hynetek HUSB339 for protocol identification, control output. It is also equipped with capacitors for input and output filtering.

Car Charger Teardown UGREEN
2
The article is originally written by @Yi posted on Chargerlab. All rights reserved.
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