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Home › Reviews › Chargers › Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out

Floyd
4 yearsagoChargers
2 16

Apple's 2018 iPad Pro came with a USB-C 18W charger in the box, and you can purchase one separately for $29 to fast charging your iPhone 8 or later. This very charger is rumored to be bundled with the 2019 iPhones to popularize fast charging for iPhones (finally!). Our sibling site chongdiantou.com did an in-depth teardown review back in last November. Enjoy.


I Design

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

The Apple 18W charger is made of white polycarbonate with a glossy finish. Its prongs are unfoldable.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Compared to the Apple 30W PD charger.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

The Apple USB PD charger family.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Diemensions: 42.5mm*41.5mm*27.2mm (1.7*1.6*1.1in). Weight: 61g (2.15oz)

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Specifications. Input: 100-240V 50/60Hz 0.5A. Output: 5V/3A、9V/2A. Made by Yada Electronics Co., Ltd. SN: C3D8423C73YH1P9AR.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Our ChargerLAB POWER-Z FL001S USB tester shows the SN number: C3D8423C73YH1P9AR.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

The SN number also shows in system info.


II Test

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Using our ChargerLAB Power-Z FL001S USB tester, it shows that the charger only supports USB PD protocol. No Apple 2.4A, QC2.0, QC3.0, FCP, or SCP support.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

PDO information reveals it is capable of USB PD charging in 5V/3A and 9V/2A, 18W max.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Charging the iPhone XS Max (battery level 6%), we are getting 9.1V 1.91A 17.45W, under USB PD fast charging protocol.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Charging the iPhone XS (battery level 5%), we are getting 9.1V 1.41A 12.89W, under USB PD fast charging protocol.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Charging the iPhone XR (battery level 45%), we are getting 9.08V 1.79A 16.33W, under USB PD fast charging protocol.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Charging the iPhone X (battery level 16%), we are getting 9.1V 1.54A 14.03W, under USB PD fast charging protocol.


III Teardown

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

The casing is so thick and tight that we have to rip it off using the cutter.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

The end of the AC pin is cylindrical, and there is a plastic column between the two metal posts for positioning.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

The front view of the PCB. It can be seen that the components are very tightly laid out, and there is glue to assist the heat dissipation. Some components are fixed by glue. There is a code "Sumida" on the transformer.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Taking a at the side, the components on the entire PCB module are positioned using a plastic structure. The two sockets on the right side are the power inlets of the entire PCB module. After the product is assembled, the end of the AC pin will stuck in the vacant position to ensure a reliable contact. On the left side is a common mode inductor and the input terminal electrolytic capacitor.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Close-up of the input electrolytic capacitor which is fixed by glue.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

A chip fuse is hidden under the inductor coil, and an inductor is hidden under the capacitor. At this angle, it can be seen that the copper pin for taking electricity is very thick and has a good contact for low resistance.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Looking from another angle, one side is a transformer and the output uses multi-layer insulated wire. On the other side is the internal tongue of the USB-C interface. Unlike the common USB-C port, the charger's USB-C inner tongue is separate from the housing, only after being assembled into a complete product. Next to the USB-C port is a solid capacitor for output filtering, sticked with insulating tape.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

On the back of the PCB module is a plastic plate, which holds its position very close to the PCBA to ensure insulation and support.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

The PCB is very thin and the plastic plate fits very tightly with the PCB.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Remove the plastic plate.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

The back view of the PCBA. It adopts black oil process and components are filled with glue.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

In the upper right corner is the fast charge protocol chip, responsible for USB PD communication, from Cypress, model CYPD313, which is a custom model for Apple, with SN code burnt in.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Next to the protocol chip is the output MOS tube, model AON7428, with small conduction resistance, reducing output heat.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Detailed specification of the AOSMD AON7428.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Rubycon electrolytic capacitor, 400V 15uF, premium Japanese capacitor. The capacitor is fixed by glue within the plastic skeleton.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Code on the outer casing of the common mode inductor.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Remove the inductor coil module.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Remove the socket module.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Close-up of the green inductor.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

A solid capacitor at the output, from Nippon Chemical, 16V 560uF.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Remove the solid capacitor.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Remove the transformer module.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

The other Rubycon electrolytic capacitor on the PCBA, same specs, in parallel.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Remove the plastic skeleton and two Y capacitors.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Two Y capacitors with the same specifications.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Since the PCBA clear with only USB-C port left, let's take a closer look at the specifications of each patch component.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

SC1263K6 power controller chip from PI, it has built-in controller, switch tube, secondary synchronous rectifier controller, which is a custom model with high integration.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

The output adopts synchronous rectification, using the Infineon BSZ096N10LS5, withstand voltage of 100V, 9.6mΩ, and works with PI chip for synchronous rectification control output.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

Detailed specification of the Infineon BSZ096N10LS5.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

C03 8E BG lettering.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

The main body of the USB-C port is made of plastic, which has a metal casing for reinforcement. The metal shell is soldered to the PCBA to ensure better reliability.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

The metal casings are fixed by solder joints with precision manufacturing.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

LTS83852G40KKN2AT lettering on the metal casing.

Apple 18W USB-C Power Adapter A1695 Teardown Review: Beautiful Inside and Out-Chargerlab

All the components.


IV Conclusion


It can be seen from our in-depth teardown that the Apple 18W charger continues the high quality of the Apple product line, with high quality components and thoughtful design. The use of Japanese capacitors ensures reliability and longevity. Custom PI and Cypress chips deliver high performance and high efficiency.

The adoption of the USB-C port on the 2018 iPad Pro marks the maturity of USB-C port. We believe that in the near future, iPhones will finally embrace the USB-C port and bring us a better user experience.


Pros:

Beautiful inside and out.

Premium Japanese capacitors.

18W fast charging for iPhone 8 or later.


Cons:

Expensive ($29).

Only supports USB PD protocol.

$23 $25 at Amazon US

Make sure it says "ships from and sold by Amazon.com" to avoid counterfeits

Note: ChargerLAB is reader-supported. Our editors independently research, test, and recommend the best products. We may earn commissions on purchases made from links on our site.


Source: chongdiantou

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  • aRvInD Gr

    Quality Article..!

    4 yearsago
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