Saying goodbye to “mid- and low-end,” domestically produced automotive-grade MCUs sound the call for a high-end breakthrough.

In recent years, driven by the trends of electrification and intelligentization, the automotive industry is undergoing a disruptive transformation. It is rapidly evolving from a mere manufacturer of transportation vehicles into a “super mobile smart terminal” that integrates intelligent computing, real-time sensing, and sophisticated control.

As the “nerve center” of the vehicle, MCU The role of this component has long since gone beyond traditional functional control, becoming a core element that determines the vehicle’s level of intelligence, driving safety, and user experience. Its performance directly affects the smoothness of the intelligent cockpit, the responsiveness of intelligent driving, and the operational efficiency of the powertrain.

Behind this transformation lies the automotive electrical and electronic architecture ( E/E ) is a fundamental innovation. Under the traditional distributed architecture, each vehicle system is independently controlled and features complex wiring harnesses, making it increasingly difficult to support today’s software-defined vehicles ( SDV ) the massive data processing and cross-domain collaboration requirements it brings. “Central computing” + A new architectural approach called “regional control” has emerged, integrating decentralized control functions and enabling multi-domain integrated management through regional controllers.

Since last year, automakers such as XPeng, Leapmotor, and GAC have all begun mass-producing the new-generation [vehicles]. EE Architecture model, quasi-central / middle Central + The regional control architecture has become the mainstream choice for major automakers to optimize costs and improve efficiency.

Against such a backdrop and trend, traditional MCU The shortcomings in computing power, storage, peripherals, and security performance are becoming increasingly apparent, making it increasingly difficult to accommodate further functional integrations. The next-generation vehicle architecture is designed for high-performance automotive-grade systems that demand greater computing power, stronger storage, richer peripheral interfaces, and higher security standards. MCU Demand is steadily rising to support complex control tasks in cross-domain integration scenarios.

This global evolution of the smart car industry has provided domestic chip manufacturers with tremendous opportunities to leapfrog their competitors—China’s homegrown... MCU Enterprises are accelerating their transformation from followers to innovators, especially in the high-end automotive-grade sector. MCU In this field, a critical breakthrough is underway.

Currently, automotive-grade MCU The chip market exhibits a distinct “strong external, weak internal” pattern. According to research data from the Automotive Expert Advisory Committee, in the automotive-grade chip sector, China’s high-end... MCU Insufficient chip self-sufficiency. 5% The market is still dominated by traditional overseas giants such as Infineon, Renesas Electronics, NXP, and STMicroelectronics. Thanks to decades of technological expertise, established brand reputations, and robust supply-chain systems, these companies hold an absolute advantage in critical areas such as domain controllers and powertrain domains.

In terms of product strategy, these global giants continue to iterate and upgrade their offerings, each emphasizing specific areas to consolidate their technological leadership.

Infineon's AURIX Series MCU , using self-developed TriCore Kernel and multi-core lockstep architecture with a highly secure redundancy design, widely used in intelligent driving domain controllers and powertrain control systems. Also collaborates with Bosch, Continental, and others. Tier1 Deeply integrated and with a wealth of mass-production experience, it covers the powertrain systems for high-end models of new-energy vehicle manufacturers such as Tesla and BYD, making it the undisputed leader in the current powertrain market.

Renesas Electronics' RH850 Series MCU Adopting self-developed ( 4+4 ) x G4MH The kernel, renowned for its high integration and strong real-time performance, has continuously evolved to cover application scenarios such as body control, chassis control, and high-computing-power domain controllers, thereby reinforcing its technological barriers in functional safety and real-time responsiveness. Its core partners include global leading suppliers such as Toyota, Volkswagen, Hitachi, and Denso. At the same time, the company is actively expanding its domain-control collaborations with emerging domestic premium automakers, further solidifying its dominant position in the core safety domain.

STMicroelectronics Stellar Series MCU Equipped with multi-core Arm High-performance real-time kernel, main frequency 500MHz , adopt 28nm Process, equipped with 200MHz Dedicated to Information Security CPU Balancing computing power and network security, precisely tailored for smart cockpits and lightweight applications. ADAS We meet the needs of the region and maintain close cooperation with European automakers.

NXP's S32 Series MCU It offers flexible configuration solutions that cover multi-scenario needs—from cabin systems and smart gateways to body control and zone control. Thanks to a comprehensive toolchain and thriving developer ecosystem, it significantly lowers the design barrier for customers and has successfully entered the supply chains of numerous automakers worldwide.

It can be seen that these international... MCU The giants’ lead goes beyond chip technology itself; more importantly, it lies in the ecosystem barriers they’ve built around chips and their partners. They are closely aligned with global industry leaders. Tier1、 OEMs Establish long-term, in-depth collaboration and participate in whole-vehicle R&D from the product definition stage, forming a “chip… - Software - a closed-loop ecosystem for applications. The first-mover advantage brought about by this ecological synergy imposes extremely high market entry barriers on latecomers and has become the core challenge for domestic enterprises seeking to break into the high-end market.

Looking ahead, as automotive architectures continue to evolve, these international manufacturers remain committed to the next generation of automotive-grade components. MCU Continuously increasing investment and constantly pushing performance boundaries, we are further expanding our coverage to meet all scenario requirements—from body control to the powertrain system.

News Source: Semiconductor Industry Watch Website