P2020 IBIS model is not publicly available. It can be provided under NDA.
To enter a case to online technical support please perform the following:
1. Open www.nxp.com
2. Click on "Account" or your name in upper right corner and select "My account", enter your NXP site login/password if necessary.
3. Select "View all Support Methods" in Support section.
4. Click "Go to Tickets" in "Support Requests" section
5. The system should redirect you to this page https://nxpcommunity.force.com/community/CommunityContextPage
6. At this page please create a new folder for support cases by clicking "Add a Folder". Typically - one folder per project.
7. When asked, enter project details - design stage, projected annual volume, end application type and application name.
8. When folder is created, please click "Add a new case" button to create support case.
