公开(公告)号：US20040141344A1

公开(公告)日：2004-07-22

申请号：US10747969

申请日：2003-12-29

Applicant: STMicroelectronics S.A.

Inventor： Benoit Peron ,  Frederic Gautier

IPC: H02M007/00

CPC classification number: H02M5/257 ,  H02M2001/0006

Abstract: An isolated circuit of low-voltage supply of a control circuit of a high-voltage load, in or upstream of a fullwave three-phase rectifying bridge, comprising a first low-voltage capacitor having a first electrode connected to one of the rectified output terminals of the bridge, and at least one second capacitor providing said low voltage, a first electrode of the second capacitor being connected to one of the A.C. input terminals of the bridge, the respective second electrodes of the capacitors being connected by a high-voltage diode having its cathode connected to the second capacitor.

Abstract translation: 一种在全波三相整流桥或其上游的高电压负载控制电路的低电压供电的隔离电路，包括：第一低电压电容器，其具有连接到整流输出端之一的第一电极 以及提供所述低电压的至少一个第二电容器，所述第二电容器的第一电极连接到所述桥接器的一个AC输入端子，所述电容器的各个第二电极由高压二极管 其阴极连接到第二电容器。

公开(公告)号：US20040135618A1

公开(公告)日：2004-07-15

申请号：US10698809

申请日：2003-10-31

Applicant: STMicroelectronics S.A.

Inventor： Benoit Peron

IPC: H03K017/62

CPC classification number: H05B39/048 ,  H02M1/088 ,  H02M5/2573 ,  H02M5/293 ,  H03K17/13 ,  H05B39/08 ,  Y02B20/148

Abstract: A circuit for controlling two switches assembled in anti-parallel, comprising in series between two terminals of the anti-parallel assembly, two identical control stages respectively dedicated to each switch and between which is interposed a common impedance setting a phase angle for the turning-on of the switches, each stage comprising: a controllable current source for providing a current to a control electrode of the concerned switch; a capacitor for storing a supply voltage of at least the current source; an element of activation/deactivation of a the current source according to the voltage across the stage capacitor; and an assembly for discharging the capacitor.

Abstract translation: 一种用于控制反并联组装的两个开关的电路，包括串联在反并联组件的两个端子之间的两个相同的控制级，分别专用于每个开关，并且其间设置有公共阻抗， 每个级包括：用于向相关开关的控制电极提供电流的可控电流源; 用于存储至少所述电流源的电源电压的电容器; 根据两级电容器两端的电压激活/去激活电流源的元件; 以及用于放电电容器的组件。