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The C166 family, based on a 16-bit core; it is nowadays an enormous success in automotive, in particular in PowerTrain. This component is the right answer for the automotive real time applications of today. It is with both, automotive customer requirements and a long automotive experience in semi-conductors that this new generation 32-bit family is borne. The objective of this document is to provide and comment on automotive requirements in terms of the new micro-controller, to show the benefits for the applications and explain how the AUDO architecture fulfils these requirements.

The importance of electrical motors in the automotive industry is growing. Besides standard brushed DC motors, mainly found in body and convenience areas, multiphase unipolar BLDC motors, generally used in open loop pump drives and HVAC applications, are becoming more and more widespread. These technologies have been around for some years now and are quite well covered. As well as AC induction motors, some emerging applications (mainly in the areas of powertrain and chassis control) implement permanent magnet synchronous motors with closed loop and vector-controlled technology. These applications call for a new drive concept. This paper analyzes the various requirements and proposes a suitable concept.