Controller and control method for controlling a switched-mode power converter in case of break-through situations

The present document relates to power converters. In particular, the present document relates to the protection of the power switches of power converters. A controller configured to control a switched-mode power converter is described. The controller comprises a control pin for controlling a state o...

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Bibliographische Detailangaben
Hauptverfasser:	Weinacht Manfred, Knoedgen Horst
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 ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION PHYSICS REGULATING SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
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Beschreibung
Zusammenfassung:	The present document relates to power converters. In particular, the present document relates to the protection of the power switches of power converters. A controller configured to control a switched-mode power converter is described. The controller comprises a control pin for controlling a state of a power switch of the switched-mode power converter using a control signal; and a sensing pin for receiving a sensed current signal indicative of a current through the power switch. The controller is configured to detect a break-through situation of the power switch based on the state of the power switch and based on the sensed current signal.