Adaptively adjusting an input current limit for a boost converter

Apparatus and techniques for adaptively adjusting an input current limit for a boost converter supplying power to a load, such as an amplifier. An example circuit for supplying power generally includes a boost converter having an output coupled to a load, and logic configured to adaptively adjust an...

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Bibliographische Detailangaben
Hauptverfasser:	SCHREYER, EARL, CHAKKIRALA, SUBBARAO SURENDRA, GALAL, SHERIF
Format:	Patent
Sprache:	chi ; 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 CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GENERATION LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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Beschreibung
Zusammenfassung:	Apparatus and techniques for adaptively adjusting an input current limit for a boost converter supplying power to a load, such as an amplifier. An example circuit for supplying power generally includes a boost converter having an output coupled to a load, and logic configured to adaptively adjust an input current limit for the boost converter based on an estimated output power for the boost converter and to apply the input current limit to the boost converter. One example method for supplying power generally includes converting an input voltage to an output voltage with a boost converter, to power a load for the boost converter, adaptively adjusting an input current limit for the boost converter based on an estimated output power for the boost converter, and applying the input current limit to the boost converter during the converting.