Device for power reduction during the operation of an...

Details Device for power reduction during the operation of an... Device for power reduction during the operation of an...

2007-04-24

2007-04-24

Riley, Shawn (Department: 2838)

Electrical transmission or interconnection systems

Vehicle mounted systems

Reexamination Certificate

active

11483696

ABSTRACT:
A device for power reduction during an operation of an inductive load, which is operated in a turn-on phase with an increased supply voltage and in a holding phase statically or in PWM operation with the on-board voltage, has a transistor disposed between the on-board voltage source and the inductive load as a switch. A further transistor is connected in series with this transistor and both the source terminals and also the gate terminals of both transistors are connected to one another. With this circuit configuration unwanted current flows are prevented through the substrate diodes of both transistors.

REFERENCES:
patent: 5717318 (1998-02-01), Matsuda et al.
patent: 5932934 (1999-08-01), Hofstetter
patent: 0 865 150 (1998-09-01), None

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