In-vehicle infotainment systems (IVI) are becoming increasingly popular, while advanced driver assistance systems (ADAS) and autonomous driving technologies continue to evolve. As a result, the demand for data processing in vehicles is growing rapidly. This means that memory capacity and input/output bandwidth must also keep up with these advancements. Failure to upgrade accordingly could lead to performance issues or even system failures.
Moreover, vehicle storage components must meet extremely high reliability and safety standards compared to general consumer electronics like 3C devices. Additional mechanisms such as firmware debugging and real-time feedback are essential to ensure stability and security in automotive environments.
Hu Wenji, a project manager at SMI’s product planning department, explained that early automotive systems used SD cards, reticle ROMs, and PATA/SATA hard drives. Today, embedded 16GB eMMC and SSDs have become the mainstream storage solutions. The former is typically used for booting the system and storing the operating system, often found in lower-end models, while the latter is more common for storing multimedia content like audio, video, and maps.
As smart vehicles develop at an accelerated pace, Huirong's product planning team predicts that Universal Flash Storage (UFS) will gradually replace eMMC in the coming years. Car SSDs may also shift from PATA/SATA to PCIe interfaces. With the stable production of 3D NAND flash memory, companies like Samsung and Micron are increasing their output. According to the report, the market is expected to see a significant shift toward 3D MLC and even TLC NAND technology in the future due to cost and capacity considerations.
Higher storage densities allow in-vehicle systems to manage richer content and offer a better user experience. However, ensuring data integrity becomes crucial. The automotive industry generally tolerates only a few percent defect rate in IBI applications (DPPM), but has almost zero tolerance for critical systems like dashboards or ADAS. For automated driving systems, additional mechanisms such as Error Correction Code (ECC), Cyclic Redundancy Check (CRC), and Data Path Protection (DPP) are necessary. Some manufacturers even require RAID functionality to further enhance reliability.
For IVI systems and other high-end automotive systems like ADAS and instrument clusters, Huirong provides tailored solutions. These include firmware adjustments based on manufacturer needs, enabling telematics to monitor storage health and prevent data loss under high-temperature conditions. The firmware can also perform self-scans at specific temperatures to reduce potential risks. In response to 3D TLC NAND technology, Huirong emphasizes the need for stronger firmware debugging to minimize DPPM. Additionally, with rising confidentiality demands, Huirong incorporates features like firmware digital signatures, encryption, and secure erase functions.
Currently, Huirong’s automotive solutions support a range of interfaces, including PATA, SATA, eMMC, and SD cards. They are also integrating emerging trends like PCIe and UFS. Soon, the company will introduce new solutions supporting the next generation of 3D NAND flash memory, including fourth and fifth-generation technologies. Their Ferri series memory solutions are widely used in automotive applications, featuring advanced debugging functions like NANDXtend, IntelligentScan, and end-to-end DPP to prevent errors caused by high temperatures or frequent read operations. Mechanisms such as Low-Density Parity Check (LDPC) and Group Page RAID help extend the lifespan of NAND flash after optimization.
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