The Electric Revolution
The shift towards electric mobility has brought about a significant transformation in the automotive industry. Charging electric vehicles (EVs) requires more than a simple power socket in a driveway. It requires enhanced grid management systems, more efficient chargers, and the integration of home energy management solutions. As a result, the demand for efficient and widespread EV charging stations has never been greater.
In response to this growing need, semiconductor technology has played a pivotal role in advancing the capabilities of EV charging stations. One key building block is the i.MX 93 applications processor, a versatile and powerful system-on-chip (SoC) developed by NXP Semiconductors. In this article, we will explore the reasons why i.MX 93 and i.MX 93 powered System on Module is an ideal choice for design of an EV charging stations.
The EV Charging Systems
Electric Vehicle Charging Systems are typically made up of at least one smart controller block and a power socket board, which are either combined or work as standalone boards. The Power Socket board ensures the safe and precise measurement of energy transferred to the vehicle, in full compliance with regulations and standards. The controller board will use both the security and external communications blocks to manage the main functions and services, such as high-level communications as well as running the protocols stacks used in the electric vehicle charging equipment.
Fig: System Level View of EV Sourcing Equipment
To streamline the design and development of EV Charging Stations, the controller board can be powered by the i.MX 93 applications processor-driven embedded computing platforms like a SoM. The i.MX 93 offers a wealth of advantages, including high-performance computing capabilities, advanced security features, robust connectivity options, energy efficiency, scalability to adapt to diverse charging station requirements, and compatibility with multiple operating systems. The i.MX 93 stands out as a versatile and reliable solution to power the future of electric mobility.
Introducing i.MX 93 System on Module
The most recent addition to our lineup of System on Modules (SoMs) features the latest member of the i.MX 9 applications processor series, available in OSM, SMARC, and SODIMM form factors, delivers a rich array of interfaces for extensive application possibilities.
The adoption of a SoM approach offers a multitude of advantages, significantly simplifying the product design cycle. By leveraging this approach customers can focus on the core competencies and features of their product, ultimately reducing their time to market with reduced development cost.
The EdgeLock secure enclave is a ready-to-use secure element that establishes a root of trust at the IC level and ensures comprehensive end-to-end security from edge to cloud. It enables robust protection against the latest attack scenarios. Users can enjoy this security without the need to write security code or manage crucial keys and credentials.
Intelligent charging stations are usually combined with smart meters, where the connectivity between the consumer, the charging station, and the cloud is typically handled via Ethernet, Wi-Fi, or other wireless technologies. i.MX 93 SoM supports both wired and wireless connectivity options like Dual Ethernet, Wi-Fi 6, Bluetooth 5.3 & IEEE802.15.4 connectivity options allowing seamless connectivity between the parties. Due to the increase in the amount of complexity of data handled, smart meter gateways require strong security features and secure authentication to the network and the end user and data.
Protocol stacks such as ISO 15118 and OCPP (open charge point protocol) can be easily integrated into the i.MX 93 provides a comprehensive interface to control the power consumption of charging procedures for electric vehicles. ISO 15118, for instance, enables vehicle-to-grid communication and handles key functions including authorization, charge initiation and termination, demand and availability exchange, charging profiles, and tariff management. On the other hand, OCPP enables efficient charge point management, influencing charging processes from the local charging station to centralized charge management in the cloud. This includes setting charging schedules, monitoring power consumption over time, initiating or stopping transactions, managing authorization, utilizing metering for billing, and even reserving charge points.
The MIPI DSI interface not only ensures high-quality visual output but also supports the integration of touchscreens, enabling user interaction and providing a more intuitive and user-friendly experience at EV charging stations.
The evolution of EV charging infrastructure is critical to the widespread adoption of electric vehicles—solutions like the i.MX 93 SoM, are at the forefront of addressing the challenges and requirements of the EV charging ecosystem. With its focus on efficiency, security, and adaptability to evolving technology, the i.MX 93 SoM plays a vital role in making electric vehicles more practical, accessible, and sustainable.
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