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Cmsemicon (中微半导) is a Shenzhen-headquartered chip design company focused on microcontrollers (MCU) and mixed-signal/analog chips, listed on the STAR Market.

Last updated September 16, 2026

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Overview

Cmsemicon (中微半导) describes itself as a leading domestic supplier of intelligent control solutions, centered on microcontroller (MCU) R&D and design, focused on chip design and sales, and dedicated to providing high-performance, low-power, highly integrated chips and system solutions for consumer electronics, smart home appliances, industrial control and automotive electronics. Its headquarters is in Shenzhen; it is a STAR Market listed company, a national high-tech enterprise and a national specialized and sophisticated (专精特新) enterprise, with registered capital of 400.365 million yuan and more than 440 employees, and R&D centers and branch offices in Beijing, Zhongshan, Chengdu, Chongqing and Singapore. Its product portfolio spans general-purpose MCU, low-power MCU, mixed-signal SoC, automotive-grade chips, memory chips, analog and touch, power drive and power management.

History

Cmsemicon (中微半导) states that it has focused on chip R&D, design and sales and, after more than 20 years of independent innovation, holds five core technologies including high-reliability MCU technology, high-performance touch technology, high-precision analog technology, motor drive chip technology and underlying algorithms, and low-power technology. It reports accumulating more than 1,000 proprietary IPs, more than 3,500 chips available for sale, and total chip shipments of about 2.4 billion units in 2024. Its stated chip journey includes: in 2016, upgrading its full product series to support C language and online emulation with large-volume adoption by home appliance customers; in 2017, establishing the Chengdu R&D center and starting a Singapore R&D team project; in 2018, starting construction of the Chengdu R&D center and establishing the Beijing R&D center with 8051 and 32-bit M0 core MCU mass production; in 2019, maturing 8051, M0 and M0+ platforms and mass-producing home appliance, brushless motor, ultra-low-power and third-generation high-performance high-reliability touch MCUs; in 2020, receiving the 2020 China IC Design Achievement Award for Best MCU and the Global Electronic Achievement Award for Microcontroller Product of the Year; in 2021, being named among the top ten main control chips for BLDC motor controllers; in 2022, listing on the Shanghai Stock Exchange STAR Market (688380) and releasing a new generation of automotive-grade MCU under the AEC-Q100 standard; in 2023, passing AEC-Q100 automotive-grade reliability certification; and in 2024, passing ISO 26262 automotive functional safety ASIL D process certification and delivering more than 2.4 billion chips to customers during the year.

Products and positioning

Leading domestic intelligent control solution supplier centered on MCU R&D and design, focused on mixed-signal and analog chips.

  • CMS25Q40A

  • BAT32A459

  • BAT32A237

  • BAT32A233

  • BAT32G127

  • CMS8H1215

  • CMS32M6510

  • CMS32F759

  • CMS32F737

  • CMS32L032

Sources5 sources

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