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XPS 13 9370 Laptop

by Dell Inc.

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Dell Continues Its Thunderbolt Streak with the XPS 13 9370 Laptop, Now With Two Thunderbolt 3 Ports

The Dell XPS series was an early adopter of Thunderbolt 3 technology and that streak continues with the XPS 13 9370 laptop. Unlike the previous XPS 13 9365 which had only one Thunderbolt 3 based USB Type-C port and one USB 3.1 based Type-C port, the XPS 13 9370 has two Thunderbolt 3 based USB Type-C port and one USB 3.1 based Type-C port. This is the first time we have seen two Thunderbolt 3 ports on a XPS 13 series model and shows Dell's continued strong commitment to Thunderbolt technology.

The XPS 13 9370 now comes with a beefier Dell 45W AC Power Adapter with USB Type-C Connector compared to the Dell 30W AC Power Adapter with USB Type-C Connector which came with the XPS 13 9365. The additional 15 watts of power makes sense to support the  additional 15 watts of power that Thunderbolt 3 ports typically must provide.

Given the XPS 13 9370 lack of USB Type-A ports, Dell also provides a USB Type-C to Type-A adapter.

Dell uses the Thunderbolt logo to show that the two USB Type-C ports next to each other are Thunderbolt 3 based, meaning they can support  Thunderbolt 3 (40 Gb/s), USB 3.1 Gen 2 (10 Gb/s), DisplayPort 1.2, and USB Power Delivery 2.0.

On the other side of the XPS 13 9370, the USB Type-C port just uses a DisplayPort logo and just supports USB 3.1 Gen 1 (5 Gb/s), DisplayPort 1.2, and USB Power Delivery 2.0.

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 XPS 13 9370 supports a single 15 watts (5 volts @ 3 amps) PDO for charging. Note some compliance failures were observed.

GRL

DUT Information

Manufacturer

Dell

Model Number

XPS13 9370

Serial Number

Comm

Test Information

Date and Time:

20180224_012708

Controller and Instrument Information

Parameter

Value

GRL USB-PD_C2 Serial No.

035.013.035.032.064.

GRL USB-PD Software Version

1.3.3.8

GRL USB-PD Firmware Version

1.3.3.0.7

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

Product Capabilities

Parameter

GetCapabilities

UUT_Device_Type

 

Vendor_Name

 

Product_Name

 

Version_Info

 

TID

 

Type_C

NONE

SOP_Capable

NONE

SOP_P_Capable

NONE

SOP_PP_Capable

NONE

SOP_P_Debug_Capable

NONE

SOP_PP_Debug_Capable

NONE

Manufacturer_Info_Supported_Port

 

Manufacturer_Info_VID_Port

 

Manufacturer_Info_PID_Port

 

USB_Comms_Capable

YES

DR_Swap_To_DFP_Supported

YES

DR_Swap_To_UFP_Supported

YES

Externally_Powered

NO

VCONN_Swap_To_On_Supported

NONE

VCONN_Swap_To_Off_Supported

NONE

Responds_To_Discov

NONE

Attempts_Discov

NONE

Chunking_Implemented_SOP

NO

Unchunked_Extended_Messages_Supported

NO

Accepts_PR_Swap_As_Src

YES

Accepts_PR_Swap_As_Snk

YES

Requests_PR_Swap_As_Src

NONE

Requests_PR_Swap_As_Snk

NONE

XID

 

Structured_VDM_Version

 

Data_Capable_as_USB_Host

NONE

Data_Capable_as_USB_Device

NONE

Product_Type_UFP_SOP

 

Product_Type_DFP_SOP

 

Modal_Operation_Supported

NONE

Security_Msgs_Supported_SOP

NO

USB_VID

 

PID

 

bcdDevice

 

SVIDs Min

0

SVIDs Max

0

SVID Fixed

NONE

Power Capabilities

Parameter

GetCapabilities

PD_Power_as_Sink

 

No_USB_Suspend_May_Be_Set

NONE

GiveBack_May_Be_Set

NONE

Higher_Capability_Set

NONE

Num_Snk_PDOs

 

Supply Type #1

-

Min Voltage #1

-

Max Voltage #1

-

Supply Type #2

-

Min Voltage #2

-

Max Voltage #2

-

Supply Type #3

-

Min Voltage #3

-

Max Voltage #3

-

Supply Type #4

-

Min Voltage #4

-

Max Voltage #4

-

PD_Power_as_Source

 

Rp Value

 

USB Suspend may be cleared

YES

Send Ping

NONE

No of Source PDOs

 

Supply Type #1

Fixed

Peak Current #1

0x0(A)

Voltage #1

0x64(5V)

Max Current #1

0x12C(3A)

Supply Type #2

-

Min Voltage #2

-

Max Voltage #2

-

Supply Type #3

-

Min Voltage #3

-

Max Voltage #3

-

Supply Type #4

-

Min Voltage #4

-

Max Voltage #4

-

Supply Type #5

-

Min Voltage #5

-

Max Voltage #5

-

PD_Power_as_Sink

 

No_USB_Suspend_May_Be_Set

NONE

GiveBack_May_Be_Set

NONE

Higher_Capability_Set

NONE

Num_Snk_PDOs

 

Supply Type #1

-

Min Voltage #1

-

Max Voltage #1

-

Supply Type #2

-

Min Voltage #2

-

Max Voltage #2

-

Supply Type #3

-

Min Voltage #3

-

Max Voltage #3

-

Supply Type #4

-

Min Voltage #4

-

Max Voltage #4

-

Result Summary

Sl No

Test ID

Test Name

Test Result

1

TDA.2.1.1.1

BMC-PHY-TX-EYE

PASS

2

TDA.2.1.1.2

BMC-PHY-TX-BIT

PASS

3

TDA.2.1.2.2

BMC-PHY-RX-INT-REJ

PASS

4

TDA.2.1.2.1

BMC-PHY-RX-BUSIDL

PASS

5

TDA.2.1.3.1

BMC-PHY-TERM

PASS

7

TDA.2.2.1

BMC-PROT-SEQ-GETCAPS

FAIL

11

TDA.2.2.7

BMC-PROT-BIST-NOT-5V-SRC

PASS

13

TDA.2.3.1.1

POW-SRC-LOAD-P-PC

PASS

15

TDB.2.2.9

BMC-PROT-GSC-REC

PASS

BMC Eye Diagram


Eye Diagram

Here we can see a load trace diagram generated by the GRL-USB-PD C2 Compliance Test Solution App which shows that the XPS 13 9370  takes advantage of various voltage and current levels for charging.

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