Mode selection circuit for a battery and method of operation...

Details Mode selection circuit for a battery and method of operation... Mode selection circuit for a battery and method of operation...

H - Electricity

02

J

H02J 7/00 (2006.01)

Patent

CA 2248746

For use with a reserve battery couplable to a charging circuit capable of providing a charging current to the reserve battery, a mode selection circuit and a method of operation thereof. The mode selection circuit includes, in one embodiment, (1) a signal generator that generates a signal based on a temperature of the reserve battery and (2) a mode-changing circuit, coupled to the signal generator, that accepts the signal and selects an alternative one of: (a) a non-charge mode in which the charging current is substantially interrupted when the temperature is greater than a reference temperature and (b) a charge mode in which the charging current is provided to the reserve battery when the temperature is less than the reference temperature.

Circuit de sélection de mode destiné à une batterie de secours pouvant être raccordée à un circuit de charge qui lui fournit un courant de charge et méthode d'utilisation de ce circuit de sélection de mode. Ce circuit comprend, dans une application (1) un générateur de signaux qui produit un signal fondé sur une température de la batterie de secours et (2) un circuit de changement de mode, raccordé au générateur de signaux, qui reçoit le signal et effectue un choix entre : a) un mode d'absence de charge dans lequel le courant de charge est essentiellement interrompu lorsque la température est supérieure à une température de référence et b) un mode de charge dans lequel le courant de charge est fourni à la batterie de secours lorsque la température est inférieure à la température de référence.

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