Trusignal Microelectronics (Kunyuan Microelectronics) is a semiconductor high-tech enterprise focusing on the research and development, sales and supply of complete industry solutions for high-performance, high-quality analog and mixed-signal integrated circuits. The company's technical team is composed of dozens of senior experts in the industry at home and abroad. They have more than 20 years of strong chip design capabilities and rich customer application experience. They have a lot of design output and classic model devices in the IC industry. Currently, the company has R&D centers in the United States and China, and sales offices in major domestic cities such as Beijing, Shanghai, and Shenzhen. "Becoming a world-class analog and hybrid device design company" has been Trusignal Microelectronics' dream. To this end, Kunyuan has introduced the most advanced quality assurance system, not only successfully passed IS0 9001:2008 and other quality assurance system certifications, but also fully complies with the European Union RoHS and green environmental protection standards. Today, Trusignal Microelectronics has successfully developed and launched seven product lines of operational amplifiers, linear power supplies, DC-DC, voltage reference sources, power management, data converters and ASSP, covering more than 100 product models, with a wide range of products. It is used in many fields such as high-end consumer electronics, mobile communications, medical instruments, industrial control, automotive electronics, security monitoring equipment, etc. In the future, Kunyuan will continue to be committed to the research and development and marketing of high-performance analog signal processing chips, and launch professional-oriented products. Special-purpose integrated circuits for medical, portable medical and wearable medical/health industries and general-purpose integrated circuits for medical and industrial applications.