Integrated semiconductor circuit with polarity reversal...

Details Integrated semiconductor circuit with polarity reversal... Integrated semiconductor circuit with polarity reversal...

H - Electricity

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L

356/66

H01L 27/00 (2006.01) H01L 27/02 (2006.01) H02H 11/00 (2006.01)

Patent

CA 2002815

Title: Integrated Semiconductor Circuit with Polarity Reversal Protection. Abstract: An integrated semiconductor circuit for use in a low voltage (1.5 - 2 V) battery operated device is provided with a protection circuit against reverse connection of the battery. The protection circuit takes care that the substrate is always connected to one extreme potential and a region containing one or more resistors is always connected to the other extreme potential irrespective of the proper or reverse mode of connection of the battery. The protection circuit has been designed in such a way that no voltage drop occurs between the battery connections and the supply voltage connection terminals of the integrated semiconductor circuit.

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