Ark Microelectronics Co., Ltd. has been established for 13 years, and it is the only company in China that focuses on the design of depletion MOSFET. Specializing in R&D, manufacturing and sales of power devices, and providing power management and circuit protection solutions, ARK can provide high-end customized development according to customers' needs. The company focuses on the development of integrated power devices based on advanced technology and characteristic technology, and provides excellent power processing and power management capabilities by means of integrated control. It is the industry leader who constantly improves the technical level by taking application as the guide. It is ARK's consistent aim to drive innovative research and development by market demand and guide application upgrade by technological development. The series of depletion MOSFET and integrated power devices developed by the company are widely used in charger, LED, industrial control, electric vehicle, communication circuit, Internet of Things and other fields.