Based on CAN/FD&Ethernet gateway controller technology analysis

The gateway controller is the core component of the vehicle's electrical and electronic architecture. As a data interaction hub of the vehicle network, the bus data can be routed in different networks. In addition, due to the existence of the independent gateway controller, the design of the vehicle's electrical and electronic architecture can be more optimized, and the OEM can use it to improve the scalability of the vehicle topology, the safety of the vehicle, and the vehicle network data. Confidentiality. Therefore, gateway controllers have increasingly become an indispensable part of the vehicle's electrical and electronic architecture.

With the increasing scale and complexity of automotive electronic control systems, CAN/FD and Ethernet have become more and more widely used. Following the development trend of the industry, Hengrun Technology has launched a gateway controller based on CAN/FD&Ethernet, which can route network data such as CAN/FD, LIN and Ethernet in different networks.

Product function

• basic skills

♦ Message/signal routing function

♦ Rate conversion and protocol translation

♦ Vehicle network related diagnosis

♦ Gateway self-diagnosis

♦ Network management

♦ Local wakeup

♦ CAN/FD based bootloader

♦ Ethernet-based bootloader

♦ Bus wake-up

♦ 4-way high-side output

♦ 2-way low-side output

♦ 8-channel digital switch acquisition

♦ 5-channel AD acquisition

• special function

♦ Vehicle node configuration

♦ Vehicle data information backup

♦ Vehicle external diagnostic interface

♦ Vehicle transportation mode control

2. Product Features

Product platformization, short development time, can effectively match the customer's vehicle development plan. At the same time, according to customer needs, configure the following:

♦ Configure the number of CAN channels 2~6 channels all support CAN/FD

♦ Configuring the CAN transceiver type

♦ Configure the number of LIN channels 1~2 channels

♦ Configure the number of Ethernet channels from 1 to 6 channels.

♦ High and low side output number

♦ Number of digital switches / AD acquisition

♦ Low power consumption

»Working current is less than 500mA

»Sleep current is less than 1mA

♦ Reliability

»The interface has complete EMC performance guarantees

»MCU has dual watchdog monitoring

»Key data double backup

»Transient voltage suppression, ESD static protection, and a range of protections such as overvoltage and reverse protection

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