Electronic device and method for operating a power switch

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United States of America Patent

PATENT NO 9917581
SERIAL NO

14398318

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Abstract

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An electronic device comprising a first power switch connectable or connected between a first voltage source and a load is proposed. The first power switch assumes a conductive state in response to a power-on request and a non-conductive state in response to a power-off request, for energizing and deenergizing the load, so that a voltage across the first power switch tends to a positive high level when the first power switch is in the non-conductive state and to a positive low level when the first power switch is in the conductive state. The device further comprises a second power switch connectable or connected between a second voltage source and the load. The second power switch assumes a conductive state in response to the power-on request and a non-conductive state when the voltage across the first power switch is below a defined switch-off threshold lower than the high level. The second voltage source thus assists the first voltage source in powering up the load. A method of operating the electronic device is also described.

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Patent Owner(s)

  • NXP USA, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Melamed-Kohen, Eyal Modiin, IL 7 35
Priel, Michael Netanya, IL 122 677
Sofer, Sergey Rishon Lezion, IL 55 185

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