DENSO, Freescale and TRW form DSI Consortium

DENSO Corporation, Freescale Semiconductor and TRW Automotive Holdings Corp. have established an industry consortium to drive development and deployment of the Distributed Systems Interface (DSI) safety bus standard. The firms simultaneously unveiled DSI 2.5, and said they will work to develop DSI 3.0 with increased performance in terms of electromagnetic compatibility (EMC) signature and transmission speed. The DSI protocol has been adopted by the world’s leading supplemental restraint system (SRS) airbag manufacturers, and Consortium members said that more than a dozen automotive OEMs have included DSI-based systems in their vehicles.

As automotive airbag systems continue to become more sophisticated and require more collision detection sensors, car manufacturers face pressures to reduce cost while enhancing safety The consortium will enable implementers of the DSI safety bus to participate in the evolution of the standard and to continue providing robust, high-speed communications for the growing number of collision sensors planned to be used in new vehicles. With the establishment of this consortium, the members expect acceleration in the development of advanced competitive DSI standards that have higher performances and lower costs, as well as help expand the DSI standard in the market.

The Consortium will actively seek broader industry participation to enhance the capability of bus systems, while also expanding the range of applications beyond automotive and into industrial control and networking. Consortium members will be free to use the DSI standard and will be able to influence the development of future generations of the DSI standard.

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