Apparatus for protecting an integrated circuit and method...

Details Apparatus for protecting an integrated circuit and method... Apparatus for protecting an integrated circuit and method...

2007-05-08

2007-05-08

Sircus, Brian (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

C361S091300, C361S091100, C307S038000, C307S039000, C315S178000, C315S182000, C315S199000, C315S250000, C315S2090SC

Reexamination Certificate

active

10999163

ABSTRACT:
An apparatus for protecting an integrated circuit is applied to an electrical apparatus having a control unit. The control unit is used for controlling the integrated circuit and the protecting apparatus. The protecting apparatus includes a power input terminal, a power output terminal, and a control terminal. The power input terminal is used for receiving a power, and the power output terminal is used for outputting the power to the integrated circuit. The control terminal is used for receiving a control voltage of the control unit. When the control unit is at the power on mode, the control unit outputs the control voltage of a first level to prevent the power being input to the integrated circuit. Over a predetermined period of time, the control unit outputs the control voltage of a second level, so that the power can be input to the integrated through the protecting apparatus.

REFERENCES:
patent: 4455510 (1984-06-01), Lesko
patent: 4885671 (1989-12-01), Peil
patent: 6456474 (2002-09-01), Yasumori
patent: 2251740 (1992-07-01), None
patent: 06-236693 (1994-08-01), None

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