Power supply controller

Details Power supply controller Power supply controller

2007-07-05

2010-12-07

Bugg, George A (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S650000, C324S509000

Reexamination Certificate

active

07847702

ABSTRACT:
A power supply controller includes a semiconductor switching element disposed on a current supply line from a power source to a load. The semiconductor switching element is switched between ON and OFF for controlling power supply to the load. A short anomaly of the semiconductor switching element is determined if at least one of an input-to-output voltage of the semiconductor switching element being smaller than a first threshold and the semiconductor switching element being in an ON state is detected, when an OFF signal for instruction to turn OFF the semiconductor switching element is received.

REFERENCES:
patent: 5796278 (1998-08-01), Osborn et al.
patent: 6204768 (2001-03-01), Kosugi et al.
patent: 6967487 (2005-11-01), Garnett
patent: 7177130 (2007-02-01), Ohshima
patent: 7545127 (2009-06-01), Takahashi et al.
patent: A 2001-217696 (2001-08-01), None

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