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Description of Business	12 Months Ended
Description of Business	Dec. 30, 2017
Description of Business
Description of Business	1. Description of Business Silicon Laboratories Inc. (the "Company"), a Delaware corporation, is a leading provider of silicon, software and solutions for a smarter, more connected world. Our award-winning technologies are shaping the future of the Internet of Things (IoT), Internet infrastructure, industrial automation, consumer and automotive markets. Within the semiconductor industry, the Company is known as a "fabless" company meaning that the integrated circuits (ICs) incorporated in its products are manufactured by third-party foundry semiconductor companies.