Since you are reading the FMF blog, I will assume you use, or are at least interested in, FMF models. Traditionally, the most difficult aspect of board level simulation has been acquiring the needed models. FMF was created to address that need. We work with component vendors to provide the models you require to verify your board designs. Although we make the models free for you, they are not free for the component vendors. They must expend both money and human resources to support your simulations.
Like any other business, IC companies want to spend money only where they will get a return. If they are convinced that their customers need simulation models and that having models improves sales, then they will do what is necessary to provide models. However, if they do not hear from their customers that models are needed, they will not provide them. Therefore, it is up to you to make sure your IC suppliers know that you need open source simulation models to help you design in their components.
There are two ways to make that need known. You can contact your suppliers directly, and tell them frequently, which of their components you are interested in but lack models. Or, you can use the “Request a Model” form on the FMF website to tell us. If you tell which models you need and from which vendor, we will contact that vendor and explain to them what your needs are and what they can do about it. We will also keep you informed as to our progress.
Either way, it is up to you to make sure your IC vendors understand what you need to get your job done.