Patent ID: 7560887
Filing Date: 2009-07-14
Classification: H02P

Abstract:
1. A control and power module for a rotary electrical machine comprising: a switch bridge; a plurality of driver circuits associated with said switch bridge in order to drive said switch bridge; a control circuit; and a plurality of communication links between said plurality of driver circuits and said control circuit; wherein in an idle mode of said machine, at least one connection of said plurality of communication links are used to transmit signals between said control circuit and said plurality of driver circuits, useful for performing a function relating to an idle mode of said machine, and in an active mode of said machine, all the connections of said plurality of communication links are used to transmit signals between said control circuit and said plurality of driver circuits, useful for performing a second function relating to an active mode of said machine in which the switching means comprise a controlled switch further comprising: a first main terminal connected to a communication link via a first resistor and to an output of the associated driver circuit intended to be coupled to one end of a phase winding via a second resistor, a second main terminal coupled to an earth terminal, and a control circuit coupled to a supply terminal of the associated driver circuit, said supply terminal receiving a supply voltage solely outside idle mode.