Will the future charging station control board be "reverse defined" by automotive grade chips?

Yes, but it's not just about replacing the charging station control board with a vehicle grade chip. The requirements, standards, and development logic of the vehicle grade will define the design direction of the charging station control board in reverse.

1、 Demand side: Car Network Interaction binds piles and cars into the same system

• V2G、 After the popularization of orderly charging and vehicle network interaction, charging stations are no longer just "power supply equipment", but need to cooperate in real-time with vehicle BMS and OBC to participate in grid dispatching.

• This deep coupling requires higher real-time performance, functional safety, and communication reliability at the pile end.

• The accumulation of automotive grade chips in CAN/CAN-FD, fault response, and wide temperature operation perfectly matches these requirements.

2、 Standard side: The safety and reliability system of vehicle regulations is overflowing towards the pile end

• Charging stations are designed according to industrial standards for a long time, with low cost but weak reliability verification.

• With the large-scale deployment of public piles, high-power piles, and V2G piles, operators' requirements for lifespan, failure rate, and extreme environmental adaptability are approaching vehicle regulations.

• ISO 26262 functional safety, AEC-Q100 reliability, and ISO/SAE 21434 information security standards will gradually become the entry threshold for high-end pile control boards.

3、 Technical side: Software architecture and chip ecosystem are being pulled by the vehicle side

• The OTA, SOA, and AUTOSAR architectures brought by software defined cars are affecting the software design of charging stations.

• If the main control board adopts automotive grade MCU, it can reuse the underlying drivers, communication stacks, and security libraries of the automotive industry, reducing development costs.

• Chip manufacturers will also launch derivative models that balance the reliability of vehicle specifications and the demand for peripheral devices at the pile end, forming a fusion solution of "vehicle specification genes+pile end customization".

4、 Boundary: Not comprehensive vehicle standardization, but key link vehicle standardization

• Charging stations have their own cost constraints and functional requirements: billing, metering, OCPP protocol, 4G communication, large Flash storage, etc., which may not be fully covered by automotive grade chips.

• Reverse definition is more reflected in security levels, development processes, verification methods, and lifecycle management, rather than replacing all chips with automotive grade models.

• Low end household piles will still be mainly industrial grade, while high-end public piles and V2G piles will take the lead in aligning with vehicle regulations.

Summary:

In the future, the main control board of charging stations will be "reverse defined" by automotive standards, but it will define standards, processes, and key component selection, rather than simply copying automotive solutions. The concept of high reliability, high safety, and long service life at the vehicle specification level will penetrate into the pile end, forming a fusion form of "vehicle specification as the bottom, pile specification as the use".

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