公开(公告)号：US20040222703A1

公开(公告)日：2004-11-11

申请号：US10817629

申请日：2004-04-01

Applicant: STMicroelectronics SA

Inventor： Philippe Bienvenu ,  Sandra Mattei

IPC: H01H001/50

CPC classification number: H02H11/003 ,  H02H1/04 ,  Y10T307/931

Abstract: A device for protecting a circuit against a polarity reversal of a connection to a D.C. power supply, comprising a controllable switch interposed on said connection between a first terminal of a first voltage of the D.C. power supply and a first terminal of the circuit, and first means for turning-off with a delay the switch in the presence of a reverse polarity.

Abstract translation: 一种用于保护电路免受与直流电源的连接的极性反转的装置，包括插在所述连接上的可控开关，所述连接在所述直流电源的第一电压的第一端和所述电路的第一端之间， 用于在反向极性存在的情况下延迟关断开关的装置。