Dioo

Founded in 2010, Dioo Microcircuits (SHA: 688381) is a leading global fabless semiconductor company specializing in the research, design, and manufacturing of high-performance analog and mixed-signal solutions. Headquartered in Nantong and Shanghai, China, Dioo is dedicated to delivering innovative, energy-efficient integrated circuits that drive advancements across the consumer electronics, automotive, telecommunications, and industrial automation markets.

Dioo’s core expertise lies in developing highly reliable components that solve complex engineering challenges. With a robust portfolio of over 1,600 analog chip products, their primary manufacturing focus includes power management solutions such as high-efficiency DC-DC converters, low-dropout regulators (LDOs), load switches, and battery charger ICs engineered for low power consumption and high reliability. Additionally, they excel in signal chain technologies, providing ultra-low power and low-noise operational amplifiers, high-side current-sense amplifiers, audio/video line drivers, and high-speed USB interfaces.

Quality assurance is at the forefront of Dioo’s manufacturing process. Certified to ISO 9001 standards, the company consistently delivers components built for stability and long-term performance. As a trusted partner in the rapidly evolving automotive sector, Dioo adheres to rigorous safety and quality benchmarks, holding an IATF 16949:2016 Letter of Conformance and achieving ISO 26262 ASIL-B functional safety compliance for its critical automotive control managers.

Supported by a dedicated workforce of over 350 employees and backed by strong year-over-year revenue, Dioo Microcircuits continuously invests in sustained R&D. Recognized as a “National Intellectual Property Demonstration Enterprise,” Dioo partners with top-tier global manufacturers to provide the precision-engineered analog chips that serve as the backbone for tomorrow’s smart technologies.