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Diagnostics and Communications in Vehicle Control Systems Using Smart Power ICs
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English
Abstract
The increasing complexity in automotive systems is resulting in the need for more extensive diagnostics and protection, especially at the output (high stress) portion of the system. These diagnostics are inputs to the vehicle control system which can provide an immediate indication to the driver of the need for servicing and store information for subsequent interrogation by service diagnostic equipment. This paper will present techniques for fault protection, diagnosing faults and obtaining bidirectional communication between various vehicle loads and microcontrollers (MCUs) in vehicle electronic systems through the use of power ICs (integrated circuits) with embedded sensors. The power handling capability of these devices combined with integrated circuit design allows considerable simplification of printed circuit board layout and reduction in electronic module size, while providing the possibility of sophisticated communications with the MCU.
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Wollschlager, R., Wellnitz, K., and Frank, R., "Diagnostics and Communications in Vehicle Control Systems Using Smart Power ICs," SAE Technical Paper 940627, 1994, https://doi.org/10.4271/940627.Also In
References
- Artusi Daniel Frank Randy “Smartpower - New Electronic Solutions to Automotive Problems” 871587 SAE Future Transportation Technology Conference Seattle, WA Aug. 10-13 1987
- Himelick J. M. Shreve J. R. West G. A. “Smart Power for the 1990s in General Motors Automobiles” ISATA 22nd international Symposium on Automotive Technology & Automation May 14-19 1989 Florence, Italy
- Frank Randy “Power Applications in Automobiles” Proceedings of the Power Conversion and Intelligent Motion Conference Sept. 20-24 1992 Irvine, CA.
- Davis Ben Wellnitz Keith Wollschlager Randall A New Automotive SMARTMOS M Octal Serial Switch” IEEE 1992 Workshop on Power Electronics in Transportation Oct. 22-23 1992 Dearborn, MI.