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1、Autonomous Driving DomainControllerandCentralControl Unit(CCU)IndustryReport,2024-2025D Autonomous Driving Domain Controller Research:One Board/One Chip Solution Will HaveProfound Impacts on the Automotive Supply ChainAs per ResearchInChina,passenger cars(excluding imports and exports)in the Chinese

2、 market were installed with 2.254 million sets of OEMintelligent driving domain controllers as standard from January to September 2024.Since 2023,the penetration rate of autonomous driving domaincontrollers has surged month by month,hitting 17.4%in September 2024,compared with only 8.61%in the same

3、period last Three development stages of autonomous driving domain controller:Multi-Board,One Board,One ChipFormajorOEMs,thedevelopmentandapplicationofautonomousdrivingdomain controllers havebecomewidespread,andtheywillevolvetowards central controlunits(CCUs)in the nextstage.Thisreportdivides the dev

4、elopmentofautonomousdrivingdomain controllers intothree stages:Stage 1:Multi/One Box,Multi-Board,Multi-ChipIn a Multi-Box solution,each domain controller has a separate circuit board,and data is transmitted between domainsvia Ethernet.This reflects the current popular domain-centralized EEA with mat

5、ure technology and controllable cost butlimited Ethernet transmission rate(mostly 100-1000Mb/s).Stage 2:One Box,One Board,Multi-ChipEncoding and decoding are no longer needed between different domains in the vehicle,so that the chips,powersupplies,heat dissipation and wiring harnesses for encoding a

6、nd decoding can be saved,which reduces costs.Chipstransmit data through the PCIe interface.Currently,PCIe Gen 4 is widely used in automotive systems,with 16 GT/s,anda transfer rate of 1.97 Gb/s per lane.Through multi-lane aggregation,the transfer rate of PCIe Gen 4 is generally10Gb/s+,much higher th