Today, with the rapid development of automotive electrification, intelligence, and networking, the number and type of chips used in automobiles are also increasing.Electrification leads the innovation of automotive electronics and electrical architecture, and has spawned concentrated large computing chips such as domain controllers and power chips such as IGBT.Intelligence has introduced a variety of sensors and AI applications, driving modules such as radar, lidar, camera, smart cockpit, 5G car networking, processor, storage chips, and AI computing chips.

Compared with consumer electronic chips, car -level chips need to meet the rigorous working environment, longer quality assurance, and stricter functional security requirements.

The functional safety of the car -level chip is designed

Functional security requires that a security system does not cause security system failures when random, systematic, and common faults occur, nor will it cause damage or death, environmental pollution, equipment or production losses.

ISO 26262 is a widely accepted electronic functional safety standard for the automotive industry. It provides the principles of standardization and design guidance. It runs through the entire development process of products from conceptual development, systems, hardware and software development, and production to scrap.Due to the increasingly important role of the chip in the automotive system, the ISO 26262 2018 version has added 11 semiconductor guidelines to the 11 chapter semiconductor guide, which standardize the universal technology of covering the fault mode, the correlation failure analysis DFA, the fault injection and other universal technologies, as well as the numbers, simulation, Specific requirements for semiconductor components such as storage, programmable devices.

Complete simulation, sufficient verification, automation process, etc. are the general standards of functional security chip design recommended by the ISO 26262 standard. MATLAB based on model design method can help engineers quickly automate the ISO 26262 standard.

Establish a chip final customer care model model

Correct function is the foundation of functional security. The function, novel, and complex function of smart electric vehicle chips, such as lidar signal processing, ADAS video image processing, battery monitoring sensor measurement and control, high -voltage motor drive, etc.A large number of functional simulation and analysis.A core value based on model design method is modeling. Modeling work not only includes the functional algorithm model inside the chip, but also the construction of the external components and the environment required for these functions, such as ADAS NCAP test scenes, accusing motor -charged motors.Models, lithium battery pack models, as well as architectural analysis models of SOC chips, such as software and hardware division, memory access, bus competition, and so on.

Matlab & Simulink and various toolboxes provide modeling, simulation, and test support for the development of various smart electric vehicle chips to meet the requirements of ISO 26262 for the pre -silicon function test.

Application system models can help chip engineers ensure that the verification and signing (SIGNOFF) standard used to evaluate the design is consistent with the chip's final customer.