Power supply with re-configurable outputs for different...

G - Physics – 05 – F

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G05F 1/46 (2006.01) H02M 3/335 (2006.01) H02M 7/02 (2006.01) H02M 1/00 (2006.01)

Patent

CA 2241585

For use with a DC power supply having first and second output rectifying circuits couplable in alternative configurations to provide dual voltages at an output of the DC power supply, an adaptive voltage controller and a method of adaptively controlling the output voltage. In one embodiment, the adaptive voltage controller includes: (1) a configuration determination circuit, coupled to the output, thatgenerates a configuration signal that is a function of a configuration of the first and second output rectifying circuits, (2) a voltage feedback circuit, coupled to the configuration determination circuit, that develops a voltage feedback signal based on the configuration signal and (3) a voltage control circuit, coupled to the voltage feedback circuit, that receives the voltage feedback signal and controls an output voltage of the DC power supply as a function thereof.

La présente invention a pour objet un gradateur de tension adaptatif ainsi qu'une méthode pour le réglage adaptatif de la tension de sortie pour utilisation avec une source d'alimentation en courant continu comportant un premier et un deuxième circuits redresseurs pouvant être couplés selon des configurations diverses pour fournir deux tensions de sortie d'alimentation encourant continu. Dans une version de l'invention, le gradateur de tension adaptatif comporte : (1) un circuit de détermination de la configuration couplé au côté sortie, et produisant un signal de configuration qui est fonction de la configuration des premier et deuxième circuits redresseurs de tension de sortie, (2) un circuit de réaction de tension couplé au circuit de détermination de la configuration, et qui produit un signal de réaction de tension basé sur le signal de configuration et (3) un circuit de régulation de tension qui, couplé au circuit de réaction de tension, reçoit le signal de réaction de tension et commande la tension de sortie de la source d'alimentation en courant continu à titre de fonction de celui-ci.

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