TMS570LC4357: compliance report for railway EN50126, 50128, 50129

Hello Park,

I have forwarded your question to our safety manager. He will answer your question soon. Thanks for choosing TI MCU.

Hello Kooyong,

TI has certified the device to ISO61508 SIL3 as well as ISO26262 ASILD. The certification was completed by TUEV SUED and the certificate and certificate report are available for download at this link: http://www.ti.com/lit/spnq012. TI does not provide the detailed technical assessment report. Since the certificate is issued as a result of the assessment of compliance to the IEC61508 standard by an authorized certification provider, it is all that is needed to be provided to your assessor.

If there is further information needed or your assessor will not accept the certificate in replacement of the assessment report, please let me know and I will discuss this with our certification team and TUEV SUED. If your assessor is also from TUEV SUED, they may also discuss this with the TUE SUED silicon team directly.

Hello Chuck,

Thank you for the answers.
We are working together with POSCO E&C who is under assessment by TUV SUED.
POSCO E&C have already downloaded the IEC 61508 SIL 3 Certificate, Safety Manual, and Safety Analysis Report from TI’s homepage and submitted them to TUEV SUED. However, TUEV SUED requires a compliance report for the products(TMS570 LC43x), since IEC61508, the standard of the certificate, is not 100% consistent with the railway standards EN50126, 50128, and 50129.
As you mentioned, it seems like a discussion between TI’s Certification team and TUEV SUED is needed, or a direct discussion with the TUEV SUED silicon team is needed.
We would like you to provide a compliance report or an assessment report for this matter, or to have discussion between TI’s Certification team and TUEV SUED, or to have discussion directly with the TUEV SUED silicon team.

Thank you.
Kooyong
 

(Note: This message was edited by a moderator to remove content directly referencing a message from a 3rd party to their customer. The removal of this information is at the request of the 3rd party).

Hello Kooyong,

There is no assessment report available since we have the certificate. I am the Functional Safety Manager and we have not had to provide this in the past. I will discuss this with the TUEV SUED silicon team. I will come back to you when I have more information.

In regard to compliance to EN5012x/IEC622xx we can provide specific information upon request, but we do not have any compliance documentation to those standards within reason.

Kooyong,

Some additional comment.

What the assessor is requesting here is a delta between the two standards. This would then be something that the system integrator would need to do since we have no expertise in the rail standards. Once you have the differences, we can help review what data or documents are missing and provide support to help you close those gaps (again within reason) but the key here is that we do not have the Railway expertise to perform this task. Any component specific requirements can be discussed when they are discovered.

Hello Kooyong,

As a matter of information, I have reached out to our assessors at TUEV SUED and they are going to discuss internally with their railway assessors group. They will comeback to me when they have clarification of what is needed. Since their colleagues are on business travel, it may take some time (1 to 2 weeks) for them to come back to me on this.

Kooyong,

I have heard from our assessor who has also discussed this with your assessor. They have asked that I not post the details on the public forum so I will send you a private message with their feedback.

Hello Kooyong,

Please let me know if this is now resolved or, at least, on a path to resolution or if there is any additional support needed from TI. If it is resolved or we need to remove it offline altogether, let me know if it is OK to close this thread and continue the conversation through other mechanisms.