Methods and apparatus to control a digital power supply

Methods and apparatus to control a digital power supply are disclosed. An example method includes calculating a duty cycle of a pulse width modulated signal to control an output of a digital power supply, initializing an output of a counter that forms a pulse width modulator to increment by a first...

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Bibliographische Detailangaben
Hauptverfasser:	HAGEN MARK DAVID, OETTINGER ERIC GREGORY
Format:	Patent
Sprache:	eng
Schlagworte:	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 CONTROLLING CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PHYSICS REGULATING SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
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Beschreibung
Zusammenfassung:	Methods and apparatus to control a digital power supply are disclosed. An example method includes calculating a duty cycle of a pulse width modulated signal to control an output of a digital power supply, initializing an output of a counter that forms a pulse width modulator to increment by a first increment up to a counter maximum value for a first period and to decrement by the first increment for a second period, dividing the duty cycle by a constant to determine a multiple of the duty cycle to apply to each power stage of the power supply, calculating a first threshold percent by subtracting the multiple of the duty cycle from one hundred percent, setting a first threshold to be the first threshold percent multiplied by the counter maximum value, and controlling the power factor controller based on the first threshold.