Car system changes drive memory upgrade Huirong chip keeps pace with the times

In-vehicle infotainment systems (IVI) are gaining widespread popularity, while advanced driver assistance systems (ADAS) and autonomous driving technologies continue to evolve. As in-vehicle systems become more complex, the demand for data processing power is increasing rapidly. This means that memory capacity and input/output bandwidth must also be upgraded accordingly. In addition, automotive storage components must meet extremely high reliability and safety standards—far stricter than those required for general applications like 3C electronics. To meet these demands, manufacturers integrate features such as firmware debugging and real-time feedback mechanisms. Hu Wenji, a project manager from SMI’s product planning department, noted that early automotive systems relied on SD cards, reticle ROMs, and PATA/SATA hard drives. Today, most car systems use embedded 16GB eMMC or SSDs as the primary storage media. eMMC is typically used for storing the boot sector and operating system, often found in lower-end vehicles, while SSDs are preferred for multimedia content like audio, video, and maps. As smart vehicles develop at an accelerated pace, Huirong's associate 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 stable production of 3D NAND flash, companies like Samsung and Micron are increasing their output. Looking ahead, the market is expected to see a significant shift toward 3D MLC and even 3D TLC NAND technology, balancing capacity and cost effectively. Higher storage density enables richer content and better user experiences, but maintaining data integrity becomes crucial. The automotive industry tolerates only a few percent defect rate for IBI components (DPPM), and zero tolerance for critical systems like dashboards and ADAS. For automated driving systems, error correction codes (ECC), cyclic redundancy checks (CRC), and data path protection (DPP) are essential. Some manufacturers even require RAID functions to enhance system reliability. For IVI systems and other high-end automotive applications like ADAS and instrument clusters, Huirong provides tailored solutions. These include firmware adjustments based on manufacturer needs, allowing remote monitoring of storage health via telematics. This helps prevent data loss under high-temperature conditions and enables self-scanning at certain temperatures to reduce risks. With the rise of 3D TLC NAND, Huirong emphasizes stronger firmware debugging to minimize DPPM. Additionally, with growing security concerns, the company integrates features like firmware digital signatures, encryption, and secure erase functions. Currently, Huirong’s automotive solutions support traditional interfaces like PATA, SATA, eMMC, and SD cards, while also embracing emerging standards like PCIe and UFS. Soon, the company will introduce new solutions supporting the next generation of 3D NAND technology. The Ferri series is central to Huirong’s automotive offerings, featuring advanced debugging tools like NANDXtend, IntelligentScan, and end-to-end DPP to prevent errors caused by high temperatures or frequent read operations. It also includes LDPC and group page RAID mechanisms to extend the lifespan of NAND flash after optimization.

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