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To whom it may concerned ,
a CCG2 is emplyed on our USB4 Gen3 cable product which undergoes the compliance test w/ 3 items failed —
1)Ra is out of 800 Ohm ~ 1.2K Ohm ( 3 pcs tested and 1/3 ok w/ Vconn @423 mV ,and 2 out of 3 NG w/ Vconn = 402 mV )
2) PD3 modes - checking SVIDs ( The UUT shall return a number of SVIDs in between 1 and 1, actual 2 (TEST.PD.VDM.CBL.1#3)
3)Checking Headers (Message ID 0): Manufacturer String shall be null terminated (COMMON.CHECK.PD.10#1 x 1)
Kindly advise the countermeasure of the above 3 issues.
f.y.i. 1)NG test report 2)SVID on VIF 3)SVIDs setting on CCG2 are on the attached photos。
Thank you and best Regards,
Alan Huang
Solved! Go to Solution.
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USB EZ-PD Type-C
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Hello Alan,
Get_manufacturer_info message is defined in PD3.1 specification, the correct format is below:
From the Ellisys trace you attached, it seems the packages of response Get_manufacturer_info message is correct. You could discuss with tester with the specification and identify why tester reports error on Message ID.
Best Regards,
Lisa
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Hello ,
1)Ra is out of 800 Ohm ~ 1.2K Ohm
>> Recommend you check the Diode on VCONN is close to the specification list on the datasheet or not?
2)PD3 modes - checking SVIDs
>> It seems that the VIF is not match the firmware configuration, The VIF only have one, but firmware have two.
3) Checking Headers (Message ID 0): Manufacturer String shall be null terminated
>> Could you please kindly add the ellisys trace file for this specified test? I would like to take a look which specified NULL is looking for.
Best Regards,
Lisa
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Hi
1)Ra is out of 800 Ohm ~ 1.2K Ohm
2)PD3 modes - checking SVIDs
>> It seems that the VIF is not match the firmware configuration, The VIF only have one, but firmware have two.
3) Checking Headers (Message ID 0): Manufacturer String shall be null terminated
>> Could you please kindly add the ellisys trace file for this specified test? I would like to take a look which specified NULL is looking for.
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Hi Lisa,
trace reports are in .mrq , ult , usb file formats and are invalid to be attached here , what should we proceed ?
Regards,
Alan
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Hi
trace report of message ID issue for your reference .
Alan
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Hello Alan,
Get_manufacturer_info message is defined in PD3.1 specification, the correct format is below:
From the Ellisys trace you attached, it seems the packages of response Get_manufacturer_info message is correct. You could discuss with tester with the specification and identify why tester reports error on Message ID.
Best Regards,
Lisa