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Measure for protecting in-vehicle Ethernet against ESD, using a
high-tolerance ESD suppressor
The number of cars equipped with an in-vehicle electronic control unit (in-vehicle ECU) is expected to increase as driving assist technologies advance and communication electronic equipment becomes widespread. In-vehicle electronic control units incorporated in cars will increase communication loads that in-vehicle networks have to handle. An in-vehicle Ethernet is a promising system that allows large-capacity and faster in-vehicle network communications. It achieves a data transmission rate higher than that of a CAN and is capable of data exchange conforming to the IP (internet protocol). The system offers some advantages, such as ease in utilizing commercial Ethernet technologies and high security features. This article shows readers evaluation results of how a high-tolerance ESD suppressor is an effective measure for protecting in-vehicle Ethernet against ESD.
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2023-1-27