Reduced current and power consumption structure of drive...

Details Reduced current and power consumption structure of drive... Reduced current and power consumption structure of drive...

2005-05-10

2005-05-10

Jackson, Stephen W. (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

C361S090000

Reexamination Certificate

active

06891708

ABSTRACT:
A drive circuit for driving a switching element is provided which includes a high-side switching circuit connected between power supply lines, a low-side switching circuit connected in series with the high-side switching circuit through an output terminal leading to the switching element, and a voltage detector detecting a voltage appearing at the output terminal. When the voltage detected by the voltage detector is lower than a given off-decision voltage, that is, when the switching element is placed in the off-state, the low-side switching circuit is brought into the off-state, thereby reducing the current consumption thereof.

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