Active circuit protection for switched power supply system

Details Active circuit protection for switched power supply system Active circuit protection for switched power supply system

2006-01-17

2006-01-17

Deberadinis, Robert L. (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Connecting or disconnecting

Reexamination Certificate

active

06987333

ABSTRACT:
An active protection circuit for a MOSFET isolated switched power supply system operates to control the switching of the MOSFET isolation switches. A monitoring circuit operates to sense and turn off the isolation switch of the currently active power supply if it senses reverse current flowing through the switch. Simultaneously, a controller receives indication that the active power supply is out of specification, and actively switches the system voltage source to the other power supply. The controller actively ensures that the isolation switch of the out-of-specification power supply remains off until it determines otherwise.

REFERENCES:
patent: 6600239 (2003-07-01), Winick et al.

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