Pre-bias controller for switching power converters

Pre-bias controller for switching power converters

A pre-bias control circuit for a switching power converter detects the slope of the output voltage over time and outputs an OPEN command when the slope detected is more NEGATIVE than a pre-defined threshold and a pre-charge current that flows back through the switching power converter has reached a...

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Hauptverfasser: Perry, Marty, Schaller, Robert J
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Sprache:eng
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APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
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creator Perry, Marty
Schaller, Robert J
description A pre-bias control circuit for a switching power converter detects the slope of the output voltage over time and outputs an OPEN command when the slope detected is more NEGATIVE than a pre-defined threshold and a pre-charge current that flows back through the switching power converter has reached a maximum value. In response, the synchronous rectifier switch OPENs overriding the typical control waveform to control the energy from the output voltage from flowing back through the switching power converter. The switching power converter may be any converter that includes a synchronous rectifier, such as a flyback converter, a forward converter, a buck converter, in a single-ended, double-ended and/or multi-phased configuration.
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subjects APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
title Pre-bias controller for switching power converters
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