公开(公告)号：US20140085759A1

公开(公告)日：2014-03-27

申请号：US14119612

申请日：2012-05-07

Applicant: Webasto SE

Inventor： Uwe Richter

IPC: H02H3/18 ,  G05F3/08

CPC classification number: H02H3/18 ,  G05F3/08 ,  H02H11/003 ,  H02M3/07

Abstract: A power supply circuit for a voltage step-up circuit comprises a diode and a first controllable semiconductor, wherein the diode is connected in series to the first controllable semiconductor in a main current direction of the first controllable semiconductor. The diode electrically connects an output of the first controllable semiconductor to an output of the power supply circuit. A polarity reversal protection circuit for an electric load comprises an output stage, a voltage step-up circuit and a power supply circuit according to the invention.

Abstract translation: 用于升压电路的电源电路包括二极管和第一可控半导体，其中二极管在第一可控半导体的主电流方向上与第一可控半导体串联连接。 二极管将第一可控半导体的输出与电源电路的输出电连接。 用于电负载的极性反转保护电路包括根据本发明的输出级，升压电路和电源电路。