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Dell 130W USB Type C AC Adapter

by Dell Inc.

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A Closer Look at USB Power Delivery Capabilities on the Dell 130W USB Type-C AC Adapter

The Dell 130W USB Type-C AC Adapter ships with the Dell XPS 15 9575 (2-in-1) to provide USB Power Delivery 2.0 charging through the convertible PC's Thunderbolt 3 ports. With a max 130 watts output, the adapter can rapidly charge the Dell PC using the common USB Power Delivery profiles of 5 watts (5 volts @ 1 amps) and 130 watts (20 volts @ 6.5 amps).

The Dell 130W USB Type-C AC Adapter is also the first 130W USB Power Delivery based power adapter in the market supporting 20V, 6.5A which is more than what USB-IF specs allow at 20V, 5A. Dell is going beyond the specs and the connector thickness reflects a lot of current is going through it. 6.5A is only advertised when the adapter is used with a appropriate Dell product like the Dell XPS 15 9575 (2-in-1).

The Dell 130W USB Type-C AC Adapter is affixed with a USB Type-C to Type-C cable to connect to the Dell XPS 15 9575 (2-in-1) for charging. The adapter supports the common 100 to 240 V AC power requirement for own charging as well as supplying the most popular DC charging voltage levels- 5V and 20V.

The adapter comes with a separate AC power cord which you need to plug in to connect the charger to a AC wall outlet for charging.

Like most Dell power adapters, the Dell 130W USB Type-C AC Adapter is bigger and more bulky than many other wall chargers in the market.

We also verified 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 for the Dell 130W USB Type-C AC Adapter as below. Note some compliance failures were observed.

GRL

DUT Information

Manufacturer

Dell

Model Number

130W PD AC Adapter

Serial Number

Comm

Test Information

Date and Time:

20181015_234806

Controller and Instrument Information

Parameter

Value

GRL USB-PD_C2 Serial No.

117.181.117.091.159.

GRL USB-PD Software Version

1.3.7.0

GRL USB-PD Firmware Version

1.3.7.0.0

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

Provider Only

Cable IR drop Imp(R)

0

Cable Type.

USB-Type-C-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:11m:45s

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

PASS

3

PHY_PRIMARY_MISC

BMC Phyiscal Layer Miscellaneous

PASS

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

PASS

4

TDA.2.1.2.1

TDA.2.1.2.1 BMC PHY RX BUSIDL

PASS

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

PASS

11

TDA.2.2.7

TDA.2.2.7 BMC PROT BIST NOT 5V SRC

PASS

13

TDA.2.2.9

TDA.2.2.9 BMC PROT GSC REC

PASS

14

TDA.2.3.2.1

TDA.2.3.2.1 POW SRC TRANS P PC

FAIL

BMC Eye Diagram


Eye Diagram 

We can see in the below trace screenshots taken using the GRL-USB-PD C2 Compliance Test Solution App how the Dell 130W USB Type-C AC Adapter charged the Dell XPS 15 9575 (2-in-1) over USB Power Delivery. The Dell PC started off charging with the adapter at initial PDO of 90 watts (20 volts @ 4.5 amps) which then eventually reached up to 130 watts (20 volts @ 6.5 amps) PDO for maximum charging.

Here we can also see the load trace that shows the Dell 130W USB Type-C AC Adapter supporting different voltage and current levels for charging which we generated using the GRL-USB-PD C2 Compliance Test Solution App. 

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