Hi Ciprian,
Thank you for the report.
The available SW for AN5408 and other application notes can be downloaded from below link.
32-bit Automotive General Purpose MCUs|NXP
See section Application Note:
AN5408SW:
https://www.nxp.com/webapp/Download?colCode=AN5408SW&Parent_nodeId=1432753525521684987930&Parent_pag...
I hope it helps you.
Best regards,
Diana