公开(公告)号：FR2818824A1

公开(公告)日：2002-06-28

申请号：FR0016837

申请日：2000-12-21

Applicant: ST MICROELECTRONICS SA

Inventor： GUITTON FABRICE ,  PEZZANI ROBERT

IPC: H01F27/28 ,  H02M1/08 ,  H03K17/94

Abstract: The invention concerns a control circuit for controlling a power switch by means of a galvanic insulation transformer, the transformer being produced in the form of planar conductive windings on an insulating substrate (20) whereon are integrated passive components constituting a high frequency excitation oscillating circuit for a primary winding of the transformer, the transformer substrate being directly mounted on a wafer (24) whereon is mounted a circuit chip (40) integrating the power switch.

公开(公告)号：FR2808396A1

公开(公告)日：2001-11-02

申请号：FR0005405

申请日：2000-04-27

Applicant: ST MICROELECTRONICS SA

Inventor： GUITTON FABRICE ,  BREMOND ANDRE

IPC: H04M1/82 ,  H04M3/22

Abstract: An interface circuit including a galvanic isolation barrier between a transmission line and a user equipment, and a detector for detecting, independently from a transmission, the idle or busy state of the line.