| 摘要 |
A drive device for electrical injectors of a common rail fuel injection system of an internal combustion engine has a power circuit, in turn having a drive circuit, for each electrical injector, with a number of switches controlled selectively to regulate the current flowing through the electrical injector; and a control circuit for controlling operation of the power circuit; the control circuit having a number of control modules, each for selectively controlling the switches of a respective drive circuit, and for supplying a state signal (S<SUB>FLAG</SUB>) indicating the operating state of the control module; and a synchronization module for receiving and processing the state signals (S<SUB>FLAG</SUB>) to generate a common synchronization signal (S<SUB>SINC</SUB>) for synchronizing the control modules; each control module synchronizing and coordinating, as a function of the synchronization signal (S<SUB>SINC</SUB>), the drive actions imparted to the switches of the respective drive circuit, with the drive actions imparted by the other control modules to the corresponding switches.
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