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Pixel 3 XL

by Google Inc.

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Google Introduced Qi Wireless Charging in Its Google Pixel 3 and Pixel 3 XL Phones On Top of USB Power Delivery

Google has done itself well to promote the Google Pixel 2 XL as a technology advanced phone and is now going forward with the Google Pixel 3 XL. As the first Google phones to support wireless charging, the Google Pixel 3 and Pixel 3 XL follow similar moves from the latest iPhone XS and iPhone XR as well as the Samsung Galaxy S9+ and Note9LG G7 ThinQ, and Sony Xperia XZ2 Premium among those wireless charging enabled flagship phones out there. The Pixel 3 only supports 5W Qi low power to charge wirelessly but claims to offer up to 10W when used with the Google Pixel Stand wireless charging dock. 

For wired charging, the Google Pixel 3 XL uses the same standard USB Power Delivery 2.0 technology over its USB Type-C connector as the Google Pixel 2 XL. Both phones also support USB 3.1 Gen 1 (5 Gb/s) speeds and use Chromecast as the primary method to cast video from the phone.

Click here to see how the Google Pixel 3 XL supports USB Power Delivery charging with the Google Universal Type-C Charger 60W.

The Google Pixel 3 XL continues from the Google Pixel 2 and Google Pixel 2 XL to use eSIM technology which enables phones to operate on a mobile network without having a physical SIM card, a legacy technology which has been around since 1991. Other newer products such as the iPhone XS and iPhone XR also adopt eSIM but like the Pixel 3 also still allow using SIM cards from traditional mobile carrier networks.

Other than supporting Qi wireless charging, the Google Pixel 3 XL is not really much different than the previous version except for a few upgrades such as having the higher end Qualcomm Snapdragon 845 chipset, bigger and better looking 6.3-in OLED 2960x1440 display, additional 8MP f/2.2 front camera and IP68 rating.

The Google Pixel 3 XL now comes with wired USB Type-C earphones despite not getting any when the Google Pixel 2 XL removed the 3.5mm audio port to replace with the USB Type-C connector. Note if you use USB Type-C headphones or speakers with the Google Pixel 3 XL, you should use one that is using digital USB audio.

The Google Pixel 3 XL also ships with a 18W USB Power Delivery based USB Type-C power adapter similar to the previous model as well as a USB Type-C to 3.5mm audio adapter and instruction sheets.

The 18W Phihong ac charger is also the same one used by the Pixel phone family which supports USB Power Delivery 2.0 based charging using 15 watts (5 volts @ 3 amps) and 18 watts (9 volts @ 2 amps) power profiles.

The Google Pixel 3 XL may not be one of the best looking phones but it can take advantage of Google's own expertise in both hardware and software to offer a fair share of high end features comparable to many other premium phones.

Using the USB Power Delivery Compliance C2 Tester from Granite River Labs to run just a subset of the full USB Power Delivery compliance test suite, we can see that the Google Pixel 3 XL supports these PDO's- 4.5 watts (5 volts @ .9 amps), 15 watts (5 volts @ 3 amps) and 27 watts (9 volts @ 3 amps) for charging. Note quite a few compliance failures were observed.

GRL

DUT Information

Manufacturer

Google

Model Number

Pixel 3 XL

Serial Number

Comm Engine

Test Information

Date and Time:

20181115_005313

Controller and Instrument Information

Parameter

Value

GRL USB-PD_C2 Serial No.

084.109.084.066.134.

GRL USB-PD Software Version

1.3.8.0

GRL USB-PD Firmware Version

1.3.8.0.0

GRL USB-PD Eload Firmware Version

9.4/9.4

Board Calibration

Calibration Success.

App Mode

COMMUNICATION_ENGINE_TESTS

Tx Mask

true

Rx Mask

false

RX mask Power selection

Neutral Power

Device Type

DRP

Cable IR drop Imp(R)

0

Cable Type.

GRL-Spl-Cable

COMMUNICATION_ENGINE_TESTS CTS Version

1.09

Noise Pattern Generation:

Two-Tone Noise

VIF info

*Since VIF was not loaded below test results are information Only.

Test cases Execution Time:

0h:4m:19s

Product Capabilities

Parameter

GetCapabilities

PD_SPECIFICATION_REVISION

1

SOP_CAPABLE

YES

SOP_P_CAPABLE

NO

SOP_PP_CAPABLE

NO

SOP_P_DEBUG_CAPABLE

NO

SOP_PP_DEBUG_CAPABLE

NO

USB_COMMS_CAPABLE

YES

DR_SWAP_TO_DFP_SUPPORTED

YES

UNCONSTRAINED_POWER

NO

UNCHUNKED_EXTENDED_MESSAGES_SUPPORTED

NO

ACCEPTS_PR_SWAP_AS_SNK

YES

Power Capabilities

Parameter

GetCapabilities

PD_POWER_AS_SOURCE

4000

USB_SUSPEND_MAY_BE_CLEARED

YES

SENDS_PINGS

NO

NUM_SRC_PDOS

1

Supply Type #1

Fixed

Peak Current #1

0x0(A)

Voltage #1

0x64(5V)

Max Current #1

0x5A(.9A)

PD_POWER_AS_SINK

 

NO_USB_SUSPEND_MAY_BE_SET

NO

GIVEBACK_MAY_BE_SET

NO

HIGHER_CAPABILITY_SET

NO

NUM_SNK_PDOS

2

Supply Type #1

Fixed

Voltage #1

0x64(5V)

OP Current #1

0x12C(3A)

Supply Type #2

Fixed

Voltage #2

0xB4(9V)

OP Current #2

0x12C(3A)

USB-IF High Level Mapping Summary

Sl No

Test Category

Test Group Description

Test Result

1

PHY_PRIMARY_TX

BMC Physical Layer Transmitter

PASS

2

PHY_PRIMARY_RX

BMC Physical Layer Receiver

FAIL

5

POWER_PRIMARY

Power Source/Sink Primary

FAIL

Result Summary

Sl No

Test ID

Test Name

Test Result

1

TDA.2.1.1.1

TDA.2.1.1.1 BMC PHY TX EYE

PASS

2

TDA.2.1.1.2

TDA.2.1.1.2 BMC PHY TX BIT

PASS

3

TDA.2.1.2.2

TDA.2.1.2.2 BMC PHY RX INT REJ

FAIL

4

TDA.2.1.2.1

TDA.2.1.2.1 BMC PHY RX BUSIDL

FAIL

5

TDA.2.1.3.1

TDA.2.1.3.1 BMC PHY TERM

PASS

7

TDA.2.2.1

TDA.2.2.1 BMC PROT SEQ GETCAPS

FAIL

12

TDA.2.2.7

TDA.2.2.7 BMC PROT BIST NOT 5V SRC

PASS

15

TDA.2.2.10

TDA.2.2.10 BMC PROT IGN PPS

PASS

16

TDA.2.3.1.1

TDA.2.3.1.1 POW SRC LOAD P PC

FAIL

17

TDA.2.3.1.2

TDA.2.3.1.2 POW SRC LOAD CP ACC

FAIL

20

TDA.2.3.3.1

TDA.2.3.3.1 POW SNK TRANS C CP

PASS

BMC Eye Diagram


Eye Diagram 

The Google Pixel 3 XL can also use different voltage and current levels for charging as seen in the below load trace having captured using the GRL-USB-PD C2 Compliance Test Solution App.

We'll get to know more in the coming reviews how well the Google Pixel 3 XL phone supports charging using different technologies.

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