Patent · US Active

Low electromagnetic emission driver

US8957724B2 · kind B2 · utility

2Cited by

10References

23Claims

0Family size

Assignee

STMicroelectronics (Rousset) SAS · FR

Inventors

Antoine Pavlin · Pontes, FR
Philippe Bienvenu · Gonfreville-l'Orcher, FR

Key dates

Filing date	Sep 23, 2011
Grant date	Feb 17, 2015
Priority date	—
Expiry date	Nov 3, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG05F1/46
WIPO fieldControl
WIPO sectorInstruments

Abstract

The disclosure concerns circuitry for controlling a power transistor of a drive circuit arranged to drive an electrical component, the circuitry comprising: a variable current source adapted to set the level of a current for charging a control terminal of said power transistor; and a control circuit adapted to control said variable current source in a continuous manner based on a feedback voltage.

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