Patent · US Expired

Semiconductor integrated circuit unit

US5412558A · kind A · utility

176Cited by
6References
26Claims
0Family size

Assignees

Inventors

Key dates

Filing dateSep 7, 1993
Grant dateMay 2, 1995
Priority date
Expiry dateSep 7, 2013

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D84/403
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A semiconductor integrated circuit unit, suitable for the control of a motor, has an integrated structure within the same semiconductor substrate, comprising an inverter circuit, drive circuits for driving the switching elements of the inverter circuit, an internal power source circuit for supplying power to the drive circuits which drive the upper arm side of the inverter circuit, and a logical circuit for transmitting a signal to the drive circuits which drive the upper arm side of the inverter circuit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.