Union Semiconductor, Inc. was founded Jan 8, 2001 by a group of electronics engineers , with investment from angel & venture capital. Our mission is to continuously develop high-quality and innovative analog and mixed-signal integrated circuit s that add value to our customers' electronics equipment. We design, manufacture and market high performance integrated circuits for use in a variety of electronic products such as communications and networking equipment, Industrial and housing control, and communication/ information terminals. Union Semiconductors' integrated circuits serve the digital world with system powering and controlling, signal amplifying, processing and interfacing, and integrated protection solutions. We currently have 4 product lines: power supply, power management , Analog switch & Multiplexer, system interface & protection. Our aggressive new product development, strict process and quality control, highly qualified applications support and satisfactory customer service have contributed to our rapid and stable business growth.