NASA NTRS · 19930000066
Fast Overcurrent Tripping Circuit
Abstract
Fast overcurrent tripping circuit designed for incorporation into power metal oxide/semiconductor field-effect transistor (MOSFET) switching circuit. Serves as fast electronic circuit breaker by sensing voltage across MOSFET's during conduction and switching MOSFET's off within 1 microsecond after voltage exceeds reference value corresponding to tripping current. Acts more quickly than Hall-effect current sensor and, in comparison with shunt current-measuring circuits, smaller and consumes less power. Also ignores initial transient overcurrents during first 5 microseconds of switching cycle.
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Sullender, Craig C., Davies, Bryan L., Osborn, Stephen H.. 1993-02-01. Fast Overcurrent Tripping Circuit. https://ntrs.nasa.gov/citations/19930000066
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