[Core News] Major MCU manufacturers are accelerating software-defined cars, Renesas and NXP have their own plans
1. Renesas: Deeply integrated with Japanese car companies, 3nm+Chiplet attacks high computing power AI car cores
Core Action: Jointly develop flagship SDV central computing SoC with Honda
- Product positioning: Core ECU for Honda 0 series electric vehicles (to be launched in the late 2020s), supporting a centralized E/E architecture
- Technical specifications
- Process: TSMC3nmAutomotive grade craftsmanship
- Computing power:2000 TOPSAI performance,20 TOPS/WEnergy efficiency ratio
- Architecture:R-Car X5 (fifth generation) SoC + Honda self-developed AI accelerator, using Chiplet small chip solution
- Advantages: Flexible expansion, low power consumption, support for high-level autonomous driving
- strategic intent: Relying on RH850 and R-Car full-stack products,Binding Toyota / Honda, build barriers with chips + self-developed AI + Japanese ecology
2. NXP: two-wheel drive of acquisition + self-development to create a complete SDV solution of chip + middleware
1. Blockbuster acquisition: TTTech Auto acquired for US$625 million
- underlying value:Austria's leader in safety-critical software,MotionWiseThe platform has mass-produced millions of vehicles, coveringASIL-DLevel middleware, communication, security frameworkTTTech Auto
- integrated value: ReinforcementCoreRidePlatform, forming S32 hardware + TTTech software full-stack capabilities, accelerating the SDV transformation of car companies
- team:Include1100 peopleAutomotive software engineer, covering major European/Asian OEMs
2. Hardware upgrade: MRAM + advanced processes empower a new generation of automotive MCUs
- S32K5 series：The first in the industry16nm FinFET + eMRAMAutomotive MCUs, Service Area Controllers and Electrification
- MCX L Series: New ultra-low power consumption product (Cortex-M33+M0+), mass production in the second half of 2025, focusing on battery-powered sensing applications
3. TI / Infineon / SEMI: Dynamics over the same period, industry resonance
1. TI: CES 2025 releases new automotive product matrix
- AWRL6844: 60GHz millimeter wave radar single chip, supports edge AI, and realizes occupant/child/intrusion detection
- AM275x/AM62D-Q1: New generation audio DSP MCU, paired with Class D amplifier, popularizing high-end car audio effects
2. Industry capacity and market
- SEMI: Global semiconductor production capacity will increase in 20256.6%, 18 new factories (15 300mm), driven by HPC and edge AI
- Micron：Singapore Investment and ConstructionHBM Advanced Packaging Factory, operating in 2026, with a ten-year investment of approx.$7 billion
4. Renesas vs NXP: Comparison of the two major paths of SDV
| Dimensions | Renesas | NXP |
|---|
| Technical route | 3nm Chiplet + self-developed R-Car + Honda AI accelerator | 5nm/16nm + MRAM + TTTech MotionWise |
| software capabilities | Self-developed RoX platform, hardware priority, in-depth customization | Acquisition and reinforcement,Full stack middleware + security framework, open ecology |
| customer strategy | Deeply bound to Japanese style(Honda/Toyota), jointly defined chip | Global coverage(Europe/US/China), common platform + customization |
| Storage plan | STT-MRAM(22/16nm), focusing on IoT/automotive specifications | eMRAM(16nm), S32K5 series takes the lead in mass production |
| Core advantages | Automotive MCU market leader,Japanese ecology, high computing power SoC | Vehicle Network/Security,Full stack software, area control faucet |
5. Summary of core trends
- Computing Arms Race: From MCU to2000 TOPS Class SoC, 3nm/5nm becomes the high-end standard
- Integration of software and hardware: chip factoryAcquisition software/middleware(NXP+TTTech), building core + soft barriers
- Storage replacement：eMRAMReplace eFlash and become the mainstream of advanced automotive MCU below 40nm
- Ecological card slot: Renesas LockJapanese car companies, NXP controlGlobal platform, competition intensifies
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