Introduction: Sipex is a semiconductor company that designs, generates and sells analog integrated circuits with high performance and high added value. The company is located in Massachusetts, the United States. It has production sites and product design centers in California and Massachusetts. Its products are widely used by original equipment manufacturers (OEMs) engaged in high growth market businesses such as the Internet, computers, communications and optical memory. Sipex's main business includes designing, producing, and selling high-performance, high value-added analog ICs, with products primarily targeting three rapidly growing markets: data communication and telecommunications, battery/portable products, and industrial control/instrumentation. The company's main products include interface circuits, low-power special application analog ICs, and data conversion products. Based on these three product series, Sipex's unique positioning is to provide complete analog device solutions to thousands of customers worldwide who manufacture wired and wireless data communication hardware, network and remote communication devices, and portable devices. Since 1992, Sipex has released more than 100 types of high-performance analog ICs. Sipex is very optimistic about the development prospects of China, and provides more efficient and powerful services and technical support to customers in Chinese Mainland, Hong Kong and South Asia. Sipex was acquired by Exar Corporation in 2007.