Hybrid Buck-Boost Power Converter with Embedded Charge Pump

A power converter is disclosed. The power converter includes a switching circuit coupled to a capacitor and further coupled to a regulated power supply node via an inductor. The switching circuit is configured to magnetize the inductor, using the capacitor, in response to activation of a first contr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Gambetta, Pietro Gabriele, Tarroboiro, Giovanni
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 CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	A power converter is disclosed. The power converter includes a switching circuit coupled to a capacitor and further coupled to a regulated power supply node via an inductor. The switching circuit is configured to magnetize the inductor, using the capacitor, in response to activation of a first control signal, and further configured to charge the capacitor, using an input power supply, in response to activation of a second control signal. A control circuit is configured to activate the first control signal based on a comparison of a first threshold value and a current flowing in the inductor. The control circuit is further configured to activate the second control signal based on a comparison of a second threshold value and the current flowing in the inductor.