Charge regulator for electronic device and associated method

Details Charge regulator for electronic device and associated method Charge regulator for electronic device and associated method

H - Electricity

02

J

H02J 7/10 (2006.01) H02J 7/00 (2006.01) H02J 9/06 (2006.01) H04B 1/38 (2006.01)

Patent

CA 2146773

An electronic device, such as a radiotelephone, is connectable to a variable-level power source (106). The electronic device includes a rechargeable power source (188) which is repowered responsive to application of operative power generated by the variable-leevel power source (106). The electronic device provides a constant charge current regulator (168) for converting operative power of a constant voltage into operative power of a constant current to be applied to the rechargeable power source (188) to recharge the rechargeable power source (188). The constant charge current regulator (168) is made of a series connected diode (176) and resistor pair (172). According to a further aspect of the invention, when the rechargeable power source becomes fully recharged, application of the operative power can be reduced by switching (206).

Dispositif électronique, p. ex. un radiotéléphone, connectable à une source d'alimentation à niveau variable (106). Comprend une source d'alimentation rechargeable (188) au moyen de l'alimentation de fonctionnement à niveau variable (106). Un régulateur à courant de charge constante (168) permet de convertir l'alimentation de fonctionnement à tension constante en une alimentation de fonctionnement à courant constant destinée à être appliquée à la source d'alimentation rechargeable (188) afin de la (188) recharger. Le régulateur (168) est composé d'un montage en série de diodes (176) et d'une paire de résistances (172). Selon un autre aspect de l'invention, lorsque la source d'alimentation rechargeable est entièrement rechargée, l'application de l'alimentation de fonctionnement peut être réduite par commutation (206).

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