LIN bus and its application in automotive hierarchical network 3

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LIN bus and its application in automotive hierarchical network 3 [Copy link]

. The power module is mainly composed of the voltage regulator SA57022 produced by PHILIPS. SA57022 can be turned on or off through the ON/OFF pin. It cooperates with the LIN transceiver to realize the sleep and wake-up of the node. The CAN interface of the host node is composed of the CAN controller SAJ1000 and the CAN driver 82C250. In the slave node, semiconductor power switching devices such as BTS432 replace traditional relays as the switching devices of each actuator. It has the advantages of fast response, high reliability, compact structure, etc., and can diagnose the load status through its feedback pin.

5. Conclusion
With the development of automobile technology and network communication technology, the networking of automobile information communication is an inevitable trend. The diversification of automobile information communication has promoted the emergence and development of automobile hierarchical network. As a new type of Class A bus with excellent performance and low price, LIN will further promote the implementation and improvement of automobile hierarchical network structure and promote the development of automobile technology. At the same time, as an open protocol, LIN also has broad application prospects in the fields of industry and home appliances.

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