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Chromebook R 13

by Acer

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A Quick Look at USB Power Delivery Support on the Acer Chromebook R 13 and Its 45W Chicony Charger

The Acer Chromebook R 13 uses a MediaTek MT8173C ARM based processor and has a USB Type-C port that supports 45W of USB Power Delivery charging, DisplayPort 1.2, and USB 3.1 Gen 1 (5 Gb/s).

The Acer Chromebook R 13 also conveniently has a HDMI 1.4 connector, micro SD card slot, USB 3.1 Gen 1 Type-A port, and 3.5mm audio jack connector.

The Acer Chromebook R 13 uses a Chicony 45W USB Power Delivery based charger which also supports 15 watts (5 volts @ 3 amps), 27 watts (9 volts @ 3 amps), 45 watts (15 volts @ 3 amps), and 45 watts (20 volts @ 2.25 amps). This charger can be used to charge other devices that support USB Power Delivery.

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 are able to verify that the following PDO's: 15 watts (5 volts @ 3 amps), 27 watts (9 volts @ 3 amps), 45 watts (15 volts @ 3 amps), and 45 watts (20 volts @ 2.25 amps) are supported by the Acer Chromebook R 13. Note some compliance failures were observed.

GRL

DUT Information

Manufacturer

Acer

Model Number

Chromebook R13 Chicony 45W PD AC Charger

Serial Number

Comm

Test Information

Date and Time:

20180223_165713

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

NO

DR_Swap_To_DFP_Supported

NO

DR_Swap_To_UFP_Supported

NO

Externally_Powered

YES

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

NO

Accepts_PR_Swap_As_Snk

NO

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

 

PD_Power_as_Source

 

Rp Value

 

USB Suspend may be cleared

NO

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

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

0x12C(15V)

Max Current #3

0x12C(3A)

Supply Type #4

Fixed

Peak Current #4

0x0(A)

Voltage #4

0x190(20V)

Max Current #4

0xE1(2.25A)

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

 

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

FAIL

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

PASS

11

TDA.2.2.7

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

PASS

13

TDA.2.3.1.1

POW-SRC-LOAD-P-PC

PASS

14

TDA.2.3.2.1

POW-SRC-TRANS-P-PC

PASS

15

TDB.2.2.9

BMC-PROT-GSC-REC

FAIL

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