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PA-Y8 PD 3.0 USB-C Wall Charger

by AUKEY

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Aukey Releases Its First USB Power Delivery 3.0 Single Port Charger with the AUKEY PA-Y8 PD 3.0 USB-C Wall Charger

The emergence of USB Power Delivery 3.0 makes this fast charge technology even better than it already is. The newer 3.0 version should provide more efficient charging at lower temperatures when supplying power to most mobile phones, tablets, and notebook PC's sold today over the USB Type-C port. Charging peripherals supporting USB PD 3.0 technology have recently showed up which include the AUKEY PA-Y8 PD 3.0 USB-C Wall Charger.   

The AUKEY PA-Y8 PD 3.0 USB-C Wall Charger is a single port wall charger which can output up to 27W of charging to your phone or tablet from its USB Type-C connector. Instead if you're looking for a dual port wall charger, you may consider the AUKEY PA-Y10 Amp PD 3.0 USB-C Wall Charger with an additional USB Type-A port for legacy charging. 

To see how the AUKEY PA-Y8 PD 3.0 USB-C Wall Charger actually looks like, we purchased the charger which came delivered in typical Aukey cardboard packaging. Obviously Aukey prefers to keep their product box plain and simple. 

For an Aukey product, don't expect a USB Type-C cable to come with the charger which would have been useful otherwise. Here it includes only the standard 24-month product warranty and instruction manual. In contrast you would normally find a included USB Type-C cable from other popular charger brands like Belkin and Ventev.

The charger can use USB Power Delivery 3.0 technology over USB Type-C to support Power Data Objects (PDO) protocol negotiation using 15 watts (5 volts @ 3 amps), 27 watts (9 volts @ 3 amps), 27 watts (12 volts @ 2.25 amps), 27 watts (15 volts @ 1.8 amps), and 27 watts (20 volts @ 1.35 amps) power profiles as well as Programmable Power Supply (PPS) of 3-11 volts @ 3 amps.

To enable faster charging, the USB Type-C port can be used to charge phones which support USB Power Delivery technology like the iPhone XiPhone 8Galaxy Note 8, Galaxy S8HTC 10, and LG V20 or tablets such as the Huawei MateBook. Note if you need to charge your iPhone you need to use the Apple USB-C to Lightning Cable.

Similar to other wall chargers, this charger also has foldable ac power prongs that are used to plug in to a ac power outlet for charging.

The AUKEY PA-Y8 PD 3.0 USB-C Wall Charger is a very compact option if you need USB Power Delivery 3.0 through USB Type-C although it only comes with a single USB Type-C port. While you will not be able to charge two devices at the same time, the charger has enough power to support all phone and tablet models.

To view more details on the power capabilities of the AUKEY PA-Y8 PD 3.0 USB-C Wall Charger, we used the USB Power Test App from Granite River Labs with the Granite River Labs USB Power Delivery Compliance C2 Tester to produce the following test results.

The USB Power Test App first negotiates a power contract for every PDO supported by the AUKEY PA-Y8 PD 3.0 USB-C Wall Charger, and increases the load gradually to find the threshold where over current protection (OCP) kicks in and voltage and current start to drop for safety reasons.

Port2 Plot

The USB Power Test App also reports out all the PDO's supported by the Aukey charger and their OCP thresholds. OCP thresholds for the charger are set at about 14-171% above the maximum current levels for the fixed PDO's.

PDOOCP (A)
PDO#1 Fixed: 5V 3A8.14
PDO#2 Fixed: 9V 3A3.95
PDO#3 Fixed: 12V 2.25A2.7
PDO#4 Fixed: 15V 1.8A2.26
PDO#5 Fixed: 20V 1.35A1.55
PDO#6 PPS: (3~11)V 3A3.29

The USB Power Test App takes this data to produce an I-V curve which graphically shows the relationship between voltage and current for each PDO.  Like other chargers that support PPS (Programmable Power Supply), we can observe current fold-back behavior where as the current increases beyond the OCP threshold, the voltage starts to curve down rather than immediately shutting off. The 5th PDO shows more dramatic fold-back behavior compared to the other PDO's.

IV Curve

The USB Power Test App can also use the Granite River Labs USB Power Delivery Compliance C2 Tester integrated with the GW Instek APS-7100 programmable AC power supply to compare the charger's power output vs power input so that power efficiency can be measured and compared to regulatory limits from United States of Energy (DOE) Level VI or European Union's CoC Tier 2 requirements. We can repeat the power efficiency tests for different PDO's, current load conditions, and different AC input ranges, allowing us to get a complete picture of power efficiency ranges across all different usage scenarios.

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, some USB Power Delivery 3.0 compliance failures were observed for the AUKEY PA-Y8 PD 3.0 USB-C Wall Charger.

Result Summary

Sl No

Test ID

Test Name

Test Result

1

LL3_E1

 GoodCRC Specification Revision compatibility

PASS

2

LL3_E2

 Retransmission

FAIL

3

SRC3_E1

 Source Capability Fields Checks

PASS

4

SRC3_E2

 Accept Fields Checks

PASS

5

SRC3_E3

 PSRDY Fields Checks

PASS

6

SRC3_E4

 Specification Revision Check after Contract

PASS

7

SRC3_E5

 Source Capabilities Extended sent timely

PASS

8

SRC3_E6

 Source Capabilities Extended Fields Checks

PASS

9

SRC3_E7

 Battery Status sent Timely

PASS

10

SRC3_E8

 Battery Status Fields Checks

PASS

11

SRC3_E9

 Battery Status Fields Checks Invalid Battery reference

PASS

12

SRC3_E10

 Unrecognized Message Received in Ready State

PASS

13

SRC3_E11

 Get Status Fields Checks

PASS

14

SRC3_E12

 Get Battery Status Fields Checks

PASS

15

SRC3_E13

 Status sent timely

PASS

16

SRC3_E14

 Status Fields Checks

PASS

17

SRC3_E15

 Battery Capabilities sent timely

PASS

18

SRC3_E16

 Battery Capabilities Fields Checks

PASS

19

SRC3_E17

 Battery Capabilities Fields Checks Invalid Battery Reference

PASS

20

SRC3_E18

 Manufacturer Info Sent Timely

PASS

21

SRC3_E19

 Manufacturer Info Fields Checks

PASS

22

SRC3_E20

 Manufacturer Info Fields Checks Invalid Manufacturer Info Target

FAIL

23

SRC3_E21

 Manufacturer Info Fields Checks Invalid Manufacturer Info Ref

FAIL

24

SRC3_E22

 Cable Type Detection

PASS

25

SRC3_E23

 Vconn Swap

PASS

26

SRC3_E24

 Unexpected Message Received in Ready State

FAIL

27

SRC3_E25

 Receiving chunked extended message

FAIL

28

SRC3_E26

 Soft Reset sent regardless of Rp value

FAIL

29

SRC3_E27

 PPS Status Sent Timely

PASS

30

SRC3_E28

 PPS Status Fields Check

PASS

31

SRC3_E29

 SourcePPSCommTimer Deadline

PASS

32

SRC3_E30

 SourcePPSCommTimer Timeout

PASS

33

SRC3_E31

 SourcePPSCommTimer Stopped

PASS

34

SRC3_E32

 ChunkSenderResponseTimer Timeout

FAIL

35

SRC3_E33

 Country Codes Sent Timely

PASS

36

SRC3_E34

 Country Codes Fields Checks

PASS

37

SRC3_E35

 Country Info Sent Timely

PASS

38

SRC3_E36

 Country Info Fields Checks

PASS

39

VDM3_E1

 Fields Checks Discover Identity

FAIL

40

VNDI3_E1

 Source Capabilities

FAIL

42

VNDI3_E4

 Manufacturer Info

FAIL

44

VNDI3_E6

 Unchunked Extended Messages Supported

PASS

46

VNDI3_E9

 Source Capabilities Extended

FAIL

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