1
Joseph J Kopera Jr, Thomas J Wand: Power supply polarity reversal protection circuit. Chrysler Corporation, Christopher A Taravella, May 21, 1996: US05519557 (21 worldwide citation)

A power supply polarity reversal protection device includes a voltage controlled switching device, e.g. an N-channel MOSFET connected between the power supply output (e.g. a positive supply voltage) and the circuit to be powered by the supply, i.e. the load. A diode, preferably the parasitic diode i ...


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Phichej Cheevanantachai, Weng Leong Hon: Power converter with polarity reversal and inrush current protection circuit. Delta Electronics, Delta Electronics, Michael Best & Friedrich, March 14, 2006: US07012793 (14 worldwide citation)

A power converter for converting an input power into a desired output power adapted to a power-receiving device. The power converter includes a polarity reversal protection circuit preferably constructed with a schottky diode that is used to ensure the correct connection polarity of an input power, ...


4
Peter Braun, Robert Kern: Polarity reversal protection circuit for a final electronic power stage. Robert Bosch, Kenyon & Kenyon, August 6, 2002: US06429550 (6 worldwide citation)

A polarity reversal protective circuit for an electronic power output stage that can be driven via a drive circuit is described. In the case of an incorrect polarization of a supply voltage, power FETs are used in at least one supply terminal to interrupt a connection of the wrongly applied supply v ...


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Komatsu Kazuhiro, Shimizu Yuichiro, Enomoto Daisuke: Polarity reversal protection circuit. Fujitsu Ten, November 28, 2007: EP1860774-A1 (2 worldwide citation)

A power supply control circuit is configured including a MOS-FET (61) connected between a DC power supply (10) and a load circuit (31) so that a body diode (D300) formed between the drain and the source is in a forward direction; and a holding circuit (62) for maintaining the ON state of the MOS-FET ...


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Henning Hauenstein, Richard Spitz, Stephan Ernst, Achim Henkel: Polarity-reversal protection circuit for energy sources. Robert Bosch, Kenyon & Kenyon, August 21, 2007: US07259537 (1 worldwide citation)

A polarity-reversal protector for power sources, in particular for automobile batteries, which is connected between a power source and at least one consumer and/or at least one generator, is described. The polarity-reversal protector is to prevent the reverse polarity current from flowing through th ...


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Reiss Herbert Dipl Ing: Reverse battery protection circuit. Siemens, October 13, 1999: EP0949737-A2 (1 worldwide citation)

A polarity reversal protection circuit has a positive (1) and a negative (2) input contact, a positive (3) and a negative (4) output contact, in which the negative input contact (2) and negative output contact (4) are electrically connected directly to one another. A switch contact (6) is provided i ...


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Sander Rainald, Xu Chihao, Gantioler Josef Matthias: Polarity reversal protection circuit. Siemens, February 7, 2001: EP1074081-A1

The invention relates to a polarity reversal protection circuit in which a semiconductor switch (11) is connected in parallel with regard to the polarity reversal protection diode (10). Said semiconductor switch is opened during the occurrence of a polarity reversal and is closed during normal opera ...


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Hauenstein Henning, Spitz Richard, Ernst Stephan, Henkel Achim: Polarity reversal protection circuit for energy sources. Bosch Robert, March 10, 2004: EP1396062-A2

The invention relates to a polarity reversal protection circuit for energy sources, especially for car batteries, which is connected between an energy source and at least one consumer (3) and/or at least one generator (4). Said polarity reversal protection circuit is to prevent the polarity reversal ...


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Phichej Cheevanantachai, Weng Leong Hon: Power converter with polarity reversal and inrush current protection circuit. Michael Best & Friedrich, June 10, 2004: US20040109272-A1

A power converter for converting an input power into a desired output power adapted to a power-receiving device. The power converter includes a polarity reversal protection circuit preferably constructed with a schottky diode that is used to ensure the correct connection polarity of an input power, ...