Austin's Silicon Labs sells off business unit in $2.75 billion deal Kara Carlson, Austin American-Statesman Replay Video UP NEXT Austin-based Silicon Labs is selling its infrastructure and automotive business to a California-based semiconductor manufacturer for $2.75 billion. Silicon Labs said it is selling the division to Irvine California-based Skyworks Solutions, which primarily manufacturers semiconductors for radio frequency and mobile communications systems, in an all-cash transaction. The deal is expected to close in the company's third quarter. Silicon Labs said the divestment will allow it to focus on its growing Internet of Things business. Silicon Labs primarily designs and manufactures semiconductors and other silicon devices, and has increasingly focused on its wireless chips, which are used by customers to build Internet of Things products. About 770 of its 1,00 employees are based in Austin.