DV/dt-detecting overcurrent protection circuit for power supply

Details DV/dt-detecting overcurrent protection circuit for power supply DV/dt-detecting overcurrent protection circuit for power supply

2004-01-16

2009-06-02

Jackson, Stephen W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

C327S381000, C257S175000

Reexamination Certificate

active

07542258

ABSTRACT:
An overcurrent protection circuit for a power switching transistor wherein the power switching transistor has a control electrode and two main electrodes, the circuit comprising a circuit including a protection switch for sensing the rate of change of voltage with respect to time at one of the main electrodes of the power switching transistor and for controlling the protection switch to remove a control signal to the control electrode of the power switching transistor to turn off the power switching transistor if the rate of change exceeds a predefined value.

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