Stmicroelectronics S.r.l.

Giancarlo Zinco

Claudio Diazzi

Vittorio Peduto

Luca Battaglin

Giancarlo Saba

Pietro Gallina

Mattia Monetti

A method for automatic design of an electronic circuit, includes: generating () a layout (L) of the aforesaid electronic circuit; generating () abstract data (A) at the substrate level associated to the layout (L) of the aforesaid electronic circuit; generating () a grid (TG) of subdivision into meshes and nodes with respect to a view pertaining to the aforesaid abstract (A) and applying it to the aforesaid substrate (SBS); and extracting (), on the basis of the aforesaid subdivision grid (TG), a full electrical netlist (NC) pertaining to the substrate (SBS). The method further includes performing an evaluation () of the interactions between devices (DV) of the electronic circuit at the substrate level according to the aforesaid full electrical netlist (NC) pertaining to the substrate (SBS).

Method for automatic design of an electronic circuit, corresponding system, and computer program product

The invention relates to a circuit for highly efficient driving of piezoelectric loads, comprising a linear driving circuit portion connected to the load through an inductive-resistive connection whereto a voltage waveform is applied. Advantageously, the circuit comprises further respective circuit portions, structurally independent, connected in turn to the inductive-resistive connection through respective inductors to supply a considerable fraction of the overall current required by the load in the transient and steady state respectively.

Electronic circuit for highly efficient driving of piezoelectric loads

A circuit for driving capacitive loads in a highly efficient manner. In one embodiment, a drive portion is connected to at least one end of a capacitive electric load being applied a voltage waveform. The embodiment further comprises a switching circuit portion having its output connected to the above one end of the capacitive load in order to supply a fraction of the overall current demanded by the load. Additionally, a switching circuit and accompanying switching method provide for efficiently supplying peak current to the capacitive load during voltage fluctuation in the voltage waveform. Briefly, the invention is a circuit arrangement aimed at providing a highly efficient drive for the capacitive load, using a combined linear/switching setup and without distorting the quality of the waveform generated across the capacitive load.

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Broni, Italy

Giancarlo Zinco