Power supply controller

Details Power supply controller Power supply controller

2007-04-20

2010-12-07

Jackson, Stephen W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

C361S093100, C361S093900

Reexamination Certificate

active

07848073

ABSTRACT:
One aspect of the present invention is directed to a power supply controller that includes a switching element disposed between a power source and a load, a current detecting element connected to the switching element and capable of outputting a detection signal in the form of a load current to the switching element, a voltage generator circuit capable of supplying an output voltage between the switching element and the load, an anomaly detecting circuit capable of outputting an abnormal signal when the load current exceeds a threshold current such that the threshold current corresponds to the output voltage. The present invention can further include a protection circuit capable of performing a predetermined protection operation based on the abnormal signal, a control circuit capable of receiving an on signal and an off signal, wherein the control circuit turns on the switching element when receiving the on signal and turns off the switching element when receiving the off signal, and a blocking circuit capable of blocking the predetermined protection operation when the off signal is received.

REFERENCES:
patent: 5453669 (1995-09-01), Nishibe et al.
patent: 6087782 (2000-07-01), Majid et al.
patent: 7177130 (2007-02-01), Ohshima
patent: 7605573 (2009-10-01), Nishida
patent: 10 2006 061 183 (2007-07-01), None
patent: 1 393 443 (2004-03-01), None
patent: A 2001-217696 (2001-08-01), None
patent: A-2003-87959 (2003-03-01), None

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