HomeEV NewsAdvocating the Use of FPGAs in Automotive Scenarios

    Advocating the Use of FPGAs in Automotive Scenarios

    Over the past ten years, the automotive sector has undergone a profound revolution in vehicle manufacturing, bringing us close to the point where crafting a customized in-car journey for drivers has become feasible. This technological shift is driven by the components within automotive electronic control units (ECUs), which have evolved beyond the conventional microcontrollers to encompass specialized application-integrated circuits (ASICs) and versatile field-programmable gate arrays (FPGAs).

    Both ASICs and FPGAs play a crucial role in enabling essential driver-dependent features, including advanced safety airbags, proximity sensors, and a wide range of behind-the-scenes services, effectively elevating modern vehicles to the status of computational powerhouses on wheels. While these chips can often serve similar purposes, FPGAs stand out by offering unmatched flexibility and a faster route to introducing new features or functions to the market.

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    However, numerous automotive manufacturers have exhibited reluctance in fully adopting FPGA chips due to their higher individual cost, potential slight performance lag in certain applications, and increased power consumption. Consequently, ASICs have emerged as the preferred selection for a significant number of automobile makers and their primary suppliers, especially for large-scale vehicle manufacturing.

    However, owing to technological progress, there has been an enhancement in FPGA performance speeds along with a reduction in their cost. Furthermore, their prevalence in automotive scenarios is on the rise. For instance, Intel is currently broadening the application of these chips in the automotive sector, encompassing areas such as the HUD display, head unit hardware, safety functionalities, and beyond. Interestingly, even prominent conglomerates outside the automotive domain, such as Siemens, are now embracing more streamlined FPGA designs.

    Notwithstanding their cost and performance constraints, FPGAs are increasingly aligning with the growing desire for the next-generation software-defined vehicles that many drivers eagerly seek.

    ASIC vs FPGA: A Comparative Analysis

    To comprehend the escalating significance of FPGAs in the realm of automotive manufacturing, it’s imperative to elucidate the key factors that set them apart from ASICs. Although both chips are engineered to execute diverse intricate tasks in real-time, FPGAs possess the unique trait of being reprogrammable and adaptable, both during the developmental phase and even after the manufacturing process. Additionally, FPGAs boast a notably shorter development timeline, empowering engineers to swiftly iterate and assess designs. This stands in contrast to ASICs, which frequently demand months-long design cycles and extensive validation prior to the commencement of manufacturing.

    The adaptability advantage of FPGAs comes at the expense of increased circuitry, which translates to higher power consumption and relatively diminished performance speeds when compared to ASICs. This has historically led to higher costs associated with FPGAs, particularly for extensive production runs. In contrast, ASICs can be produced in larger quantities with a lower per-unit cost. However, recent advancements in the design and application of FPGAs hint at a potential decrease in both pricing and power consumption patterns.

    Versatile Functionality of FPGAs

    In this contemporary age of mobility, the ability to swiftly adapt to evolving industry and technological dynamics holds paramount importance. Hence, the capabilities inherent in FPGAs become exceedingly advantageous for engineers, enabling them to craft flexible systems capable of evolving over time to align with changing market requirements.

    With their flexible architecture, FPGAs bring forth a multitude of dynamic capabilities that contribute to an enriched driving experience, foremost among them being high-speed connectivity. FPGAs support rapid and dependable communication between the numerous systems within a vehicle by incorporating high-speed interfaces such as Ethernet, CAN, and USB.

    Furthermore, FPGAs provide multiprotocol compatibility, enabling the concurrent execution of numerous functions, thereby enabling vehicle systems to seamlessly interface with a diverse range of devices and sensors.

    FPGAs are capable of enabling these operations due to their low-latency capabilities, rendering them well-suited for tasks demanding real-time responses, particularly in safety-critical systems. They can also be fine-tuned to minimize power consumption across automotive systems, thereby enhancing both software and hardware performance.

    Moreover, FPGAs offer the potential to implement machine-learning algorithms for tasks like signal processing, data fusion, and intricate processing. This empowers autonomous vehicles to learn from their environment and promptly adjust to road conditions.

    Redefining Success: The Impact of Time-to-Market

    Being able to swiftly adapt to both industry and technological shifts can significantly impact an automaker’s competitive standing. The extended development cycle and rigorous testing stages of ASICs currently lead to automotive applications’ time-to-market, spanning from conception to production, ranging between three to five years, and in certain instances, even up to seven years. Moreover, ASICs are confined to the specifications that were established during the manufacturing phase, which curtails the scope for post-production updates and augmentations essential for the software-defined vehicle and firmware over-the-air (OTA) framework sought after by the automotive sector. In contrast, FPGAs can be configured, tested, and reprogrammed as needed within a matter of weeks, providing a swift and adaptable solution.

    This holds significance as it empowers engineers with the capability to modify designs in reaction to the emergence of fresh risks, regulatory changes, or shifts in market demands. Consequently, they can implement alterations even post-manufacturing of the FPGA chip, eliminating the need for a comprehensive overhaul.

    Swift Route to Leading Position for FPGAs

    The forthcoming phase of mobility will be characterized by features that enable captivating in-vehicle experiences, improved connectivity, heightened safety, and autonomous functionalities that prioritize security by design.

    FPGA chips have arisen as a pragmatic and comprehensive solution, furnishing a rapid, adaptable, and dependable semiconductor framework. Consequently, they are poised to assume an escalating pivotal role in facilitating these functionalities across the entirety of the automotive lifecycle. With the ongoing advancement of FPGA technology, their suitability for automakers seeking to enhance their large-scale production endeavours will only continue to grow.

    By capitalizing on FPGAs, automakers can gain a substantial competitive edge, achieving accelerated time-to-market and elevated vehicle performance standards that position them significantly ahead of their rivals.

    Himanshu Vaibhav
    Himanshu Vaibhav
    Himanshu Vaibhav is a distinguished Technology Journalist associated with and With expertise in researching, writing, and editing, he demonstrates a deep understanding of technology, particularly in the EV industry. His continuous updates on EV, Automotive, and E-mobility industries reflect his commitment to staying at the forefront of emerging trends.

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