ADDRESSING MULTIPHASE POWER STAGE MODULES FOR POWER STATE AND THERMAL MANAGEMENT

A power stage configured for assigning each phase a unique address is disclosed. In particular, the disclosed power stage includes temporarily using a dedicated pulse width modulation (PWM) connection between a controller and a phase to assign a unique address to the phase. Then, after the assignmen...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KELLIHER, Kevin, CREGG, Owen, ZOU, Han, SPILLANE, Margaret, HARRIMAN, Paul J
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 CALCULATING COMPUTING CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY GENERATION PHYSICS
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Beschreibung
Zusammenfassung:	A power stage configured for assigning each phase a unique address is disclosed. In particular, the disclosed power stage includes temporarily using a dedicated pulse width modulation (PWM) connection between a controller and a phase to assign a unique address to the phase. Then, after the assignment, the PWM connection may be returned to use for regulation, while the phases can communicate over a common communication bus using their assigned addresses. This addressed communication can be used to control a power state of all phases, all phases of a particular rail, or a particular phase. Controlling the power state with addressed commands communicated over a communication bus can help reduce the current consumed by the power stage during light load conditions or sleep states.