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Apple USB-C Charge Cable (2m)

by Apple

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What Goes Inside the USB Power Delivery Profile of the Apple USB-C Charge Cable (2m)

The Apple USB-C Charge Cable (2m) ships with the Apple 15" MacBook Pro (2018) and is used primarily for connecting the Mac with the Apple 87W USB-C Power Adapter for USB Power Delivery based charging. The Apple USB-C Charge Cable (2m) also supports data transfer over the USB-C interface at USB 2.0 speeds (up to 480 Mbps).   

We 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 Apple USB-C Charge Cable (2m) as below. Note a compliance failure was observed.

GRL-USB-PD-C2 Compliance Test Report

GRL

DUT Information

Manufacturer

Apple

Model Number

2m C-C USB 2.0 5A Cable

Serial Number

Comm Engine

Test Information

Date and Time:

20181126_224635

Controller and Instrument Information

Parameter

Value

GRL USB-PD_C2 Serial No.

078.023.078.067.121.

GRL USB-PD Software Version

1.3.8.0

GRL USB-PD Firmware Version

1.3.8.0.0

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

Cable

VCONN voltage

5.75V

Cable IR drop Imp(R)

0

Cable Type.

GRL-Spl-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:0m:0s

Product Capabilities

Parameter

GetCapabilities

VENDOR_NAME

Apple

TID

0

STRUCTURED_VDM_VERSION

Version 1.0

MODAL_OPERATION_SUPPORTED

YES

USB_VID

0x5AC

PID

0x1781

BCDDEVICE

0x100

XID

2598

DATA_CAPABLE_AS_USB_HOST

NO

DATA_CAPABLE_AS_USB_DEVICE

NO

VBUS_THROUGH_CABLE

YES

CABLE_SOP_PP_CONTROLLER

NO

NUM_SVIDS_MIN

1

NUM_SVIDS_MAX

1

SVID1SOP

5AC

SVID1Modes Min

1

SVID1Modes Max

1

SVID1Modes Fixed

NONE

SVID1Mode1 Enter Mode

NO

USB-IF High Level Mapping Summary

Sl No

Test Category

Test Group Description

Test Result

1

TDA.1.1.1.1.1

TDA.1.1.1.1.1 CABLE PHY TX EYE

PASS

2

TDA.1.1.1.2.1

TDA.1.1.1.2.1 CABLE PHY TX BIT

PASS

3

TDA.1.1.2.2.1

TDA.1.1.2.2.1 CABLE PHY RX INT REJ

FAIL

4

TDA.1.1.2.1.1

TDA.1.1.2.1.1 CABLE PHY RX BUSIDL

PASS

5

TDA.1.1.3.1.1

TDA.1.1.3.1.1 CAB PHY TERM

PASS

Result Summary

Sl No

Test ID

Test Name

Test Result

1

TDA.1.1.1.1.1

TDA.1.1.1.1.1 CABLE PHY TX EYE

PASS

2

TDA.1.1.1.2.1

TDA.1.1.1.2.1 CABLE PHY TX BIT

PASS

3

TDA.1.1.2.2.1

TDA.1.1.2.2.1 CABLE PHY RX INT REJ

FAIL

4

TDA.1.1.2.1.1

TDA.1.1.2.1.1 CABLE PHY RX BUSIDL

PASS

5

TDA.1.1.3.1.1

TDA.1.1.3.1.1 CAB PHY TERM

PASS

BMC Eye Diagram


Eye Diagram 

We also used the new USB Power Test App from Granite River Labs (beta version) with the Granite River Labs USB Power Delivery Compliance C2 Tester to generate the following test report for the Apple USB-C Charge Cable (2m) that shows IR loss.

GRL Power Test Report

GRL

Instrument Information

GRL-USB-PD-C2 Serial No.117.181.117.091.159.
GRL-USB-PD-C2 API Version1.3.8.0
GRL Power Test App Version3.0.23

Test Item

Cable E-Marker and Power Cap.

Test Result

PDOPort1 (V)Port2 (V)%Port1 (A)Port2 (A)%IR drop (mohm)
PDO#1 Fixed: 5V 5A4.233.7789.2%4.994.9499.1%92
PDO#2 Fixed: 9V 5A7.87.3394%4.995.04100.9%94
PDO#3 Fixed: 15V 5A13.6713.296.6%5.034.9999.2%93
PDO#4 Fixed: 20V 5A18.5418.1197.6%5.014.9698.9%87

 

Port1 Plot

Port1 Plot

 

Port2 Plot

Port2 Plot

Vendor Defined Messaging

KeyValue
Vendor_ID65280
VDM_TypeStructured VDM
VDM_VersionVersion 1.0
Reserved[12:11]0
Object_Position0
Command_TypeACK
Reserved[5]0
CommandDiscover ID
USB_Vendor_IDApple
Reserved0
ModalOperation_supportedYES
Product_Type_UFP_CablePassive_Cable
Data_Capable_as_USB_DeviceNO
Data_Capable_as_USB_HostNO
XID0x00A26
Reserved[31:0]0
bcdDevice0x0100
USB_Product_ID0x1781
USB_Superspeed_Signalling_SupportUSB 2.0 only
SOP_PP_Controller_present[2:0]
VBUS_through_cable[4]
VBUS_Current_Handling_Capability5A
SSRX2_Directionality_Support0
SSRX1_Directionality_Support0
SSTX2_Directionality_Support0
SSTX1_Directionality_Support0
Cable_Termination_TypeBoth ends passive, VCONN not reqd
Cable_Latency10ns - 20ns
TypeC_Plug_To_PlugOrReceptaclePlug
TypeC_Plug_To_TypeA_B_C_CaptiveTYPE-C
Reserved[23:20][23:20]
FW_Version1
HW_Version10

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