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PD51-1C1U

by CHOETECH

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Charge Your PC and Phone Together with the Choetech PD51-1C1U 51W Dual Port USB Type-C PD Wall Charger with USB Power Delivery

The Choetech PD51-1C1U 51W Dual Port USB Type-C PD Wall Charger can be an alternative way to charge both your USB Type-C based PC and phone at the same time. This is an inexpensive AC wall charger that has each a USB Type-C and a USB Type-A output to offer a total of 51 watts charging. You can connect your Mac or PC for up to 39 watts of charging over USB Type-C as well as link up your phone over USB Type-A for 12 watts of charging.

The Choetech PD51-1C1U 51W Dual Port USB Type-C PD Wall Charger is certified by USB-IF through the official Certified USB logo printed on the front of the box and on the charger itself. Note if you happen to look for other similar chargers with different power capabilities, you can also consider the Choetech PD32-1C1U 32W Dual Port USB Type-C PD Wall Charger and Choetech PD72-1C3U 72W 4-Port USB Type-C PD Wall Charger, both of which are also USB-IF certified. Even though the Choetech PD51-1C1U 51W Dual Port USB Type-C PD Wall Charger shows it is USB-IF certified, it fails many USB compliance tests (see more details at the bottom of this review) so be extra careful when using this charger.

Note that while the Choetech PD51-1C1U 51W Dual Port USB Type-C PD Wall Charger supports USB Power Delivery based charging, it can also support Qualcomm Quick Charge technology to charge Qualcomm Quick Charge enabled phones (click here to see how we tested this charger with the Xiaomi Mi 5 phone).

As seen with the other models, Choetech has a tendency to not include a USB Type-C charging cable accessory which could have been very convenient. Rather the charger just came with a instruction sheet and a bookmark. Just make sure to bring along your own cable to connect your device to the charger.

The single USB Type-C port supports USB Power Delivery 2.0 based charging using 15 watts (5 volts @ 3 amps), 27 watts (9 volts @ 3 amps) and 39 watts (15 volts @ 2.6 amps) power profiles. From our own testing using the Xiaomi Mi 5 phone, we could see that this charger also enables charging using Qualcomm Quick Charge technology (click here to see more).

The USB Type-A port offers 12 watts (5 volts @ 2.4 amps) of legacy charging for your phone or tablet when connected.

You can use the two standard foldable prongs behind the charger to plug into a AC wall outlet for charging.

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 determine the following PDO's- 15 watts (5 volts @ 3 amps), 27 watts (9 volts @ 3 amps), 36 watts (12 volts @ 3 amps) and 39 watts (15 volts @ 2.6 amps) are supported by the Choetech PD51-1C1U 51W Dual Port USB Type-C PD Wall Charger for charging. Note that 36 watts (12 volts @ 3 amps) is not listed in the charger's specs as well as several compliance failures were also observed. Given that the charger fails many USB compliance tests even though it shows it is USB-IF certified, do take better caution when using this charger.

GRL

DUT Information

Manufacturer

Choetech

Model Number

PD52

Serial Number

Comm

Test Information

Date and Time:

20181001_215251

Controller and Instrument Information

Parameter

Value

GRL USB-PD_C2 Serial No.

117.181.117.091.159.

GRL USB-PD Software Version

1.3.6.4

GRL USB-PD Firmware Version

1.3.6.0.24

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

Provider Only

Cable IR drop Imp(R)

0

Cable Type.

GRL-Spl-Cable

COMMUNICATION_ENGINE_TESTS CTS Version

1.09

VIF File name

Provider_On__Port_1.txt

Noise Pattern Generation:

Two-Tone Noise

VIF info

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

Test cases Execution Time:

0h:10m:21s

Product Capabilities

Parameter

GetCapabilities

SOP_CAPABLE

NO

SOP_P_CAPABLE

NO

SOP_PP_CAPABLE

NO

SOP_P_DEBUG_CAPABLE

NO

SOP_PP_DEBUG_CAPABLE

NO

USB_COMMS_CAPABLE

NO

DR_SWAP_TO_DFP_SUPPORTED

NO

UNCONSTRAINED_POWER

YES

UNCHUNKED_EXTENDED_MESSAGES_SUPPORTED

NO

ACCEPTS_PR_SWAP_AS_SNK

NO

Power Capabilities

Parameter

GetCapabilities

PD_POWER_AS_SOURCE

 

USB_SUSPEND_MAY_BE_CLEARED

NO

SENDS_PINGS

NO

Supply Type #1

Fixed

Peak Current #1

0x0(A)

Voltage #1

0x64(5V)

Max Current #1

0x12C(3A)

Supply Type #2

Fixed

Peak Current #2

0x0(A)

Voltage #2

0xB4(9V)

Max Current #2

0x12C(3A)

Supply Type #3

Fixed

Peak Current #3

0x0(A)

Voltage #3

0xF0(12V)

Max Current #3

0x12C(3A)

Supply Type #4

Fixed

Peak Current #4

0x0(A)

Voltage #4

0x12C(15V)

Max Current #4

0x104(2.6A)

USB-IF High Level Mapping Summary

Sl No

Test Category

Test Group Description

Test Result

1

PHY_PRIMARY_TX

BMC Physical Layer Transmitter

FAIL

2

PHY_PRIMARY_RX

BMC Physical Layer Receiver

PASS

3

PHY_PRIMARY_MISC

BMC Phyiscal Layer Miscellaneous

INCOMPLETE

4

PROT_PRIMARY

 Protocol Specific Primary

INCOMPLETE

5

POWER_PRIMARY

 Power Source/Sink Primary

FAIL

Result Summary

Sl No

Test ID

Test Name

Test Result

2

TDA.2.1.1.2

TDA.2.1.1.2 BMC PHY TX BIT

FAIL

3

TDA.2.1.2.2

TDA.2.1.2.2 BMC PHY RX INT REJ

PASS

4

TDA.2.1.2.1

TDA.2.1.2.1 BMC PHY RX BUSIDL

PASS

11

TDA.2.2.7

TDA.2.2.7 BMC PROT BIST NOT 5V SRC

PASS

12

TDA.2.2.8

TDA.2.2.8 BMC PROT REV NUM

PASS

14

TDA.2.3.1.1

TDA.2.3.1.1 POW SRC LOAD P PC

FAIL

15

TDA.2.3.2.1

TDA.2.3.2.1 POW SRC TRANS P PC

PASS

Looking at the load trace captured below using the GRL-USB-PD C2 Compliance Test Solution App, we can also see that the Choetech PD51-1C1U 51W Dual Port USB Type-C PD Wall Charger can make use of different voltages and current levels for charging.

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