Corporate Overview

TSI Semiconductors Corp. is a world-class semiconductor technology development and production volume CMOS foundry company who is the ideal partner for a wide range of IC projects. Located in close proximity to our customers’ design and engineering teams, we are driving innovation closer to the heart of Silicon Valley.

We empower our customers’ device manufacturing by providing unprecedented on-site access to our fab floor and equipment. And, with our flexible technology development, customers accelerate learning cycles that get their products to market faster through greater control and protection of their technology and IP.

At our 8-inch Roseville, California site, we provide an array of versatile process technologies that include analog/mixed-signal, deep-submicron, high-voltage BCDMOS, and solutions such as novel materials structures and devices. Specialized foundry services include automotive-grade, high-voltage BCDMOS, and technology capabilities utilizing novel materials, structures and devices.

TSI Foundry Overview

From Development to Market

Learn more about

Our Foundry

Learn more about our World-Class Foundry for Smart-Power, Bipolar, High Voltage and Power


Technology Development & Commercialization Services (TDCS) provides dedicated fab equipment that enables our customers to manage their own development activities.

Our Management

Meet the team that strives to make TSI Semiconductors a trusted partner and help customers achieve technical, product and business objectives