Si cuando su teléfono le avisa que está 100% cargado "pidiendo" para desconectar su cargador y usted ve el "100%" en la pantalla, será que cargó todo lo que podía incluso? ¡No! ¿Por qué vamos a explicar de manera simple en este artículo.

En realidad, la finalidad de esta sección es dar circuitos y aplicaciones interesantes que involucren electrónica y tecnología usando el celular y las aplicaciones.

Pero, como es la batería que lo hace funcionar y de ella depende el buen funcionamiento de lo que pretendemos hacer, siempre es importante dar información que pueda ser útil.

De hecho, una de las preocupaciones de quien usa el celular es asegurarse de que la batería está cargada y que, con ello, pueda suministrar energía de forma conveniente a las aplicaciones que estamos rodando y al buen funcionamiento del celular.

Así pues, ciertamente es preocupación de todos cerciorarse de que tenemos el 100% de carga cuando desconectamos el celular del cargador.

Pero, en ese momento en que el celular indica el 100% tenemos realmente el 100% de carga.

La respuesta es no y tiene su razón técnica de ser.

Lo que ocurre es que dejando una batería con 100% de carga su vida útil es reducida, pudiendo ocurrir daños.

Así, el cargador hace que la batería al llegar al 100% tenga una descarga que la lleve a aproximadamente 90 a 95% de la carga que es un valor seguro quedando, sin embargo con la indicación 100% en el panel.

Cuando usted comienza a usar su teléfono usted verá que el teléfono entonces comienza rápidamente a indicar la descarga, mucho más rápido de lo que debía, hasta alcanzar el 95 o el 90% según el tipo que corresponde al valor real.

Sólo a partir de ahí es que la indicación de la carga "verdadera" pasa a ser indicada.

Si bien su celular "menta" para usted tiene que hacerlo para mantener la integridad de la batería.

Los circuitos integrados usados ??en otras aplicaciones electrónicas para la carga de batería incluyen esa "inteligencia" necesaria para mantener la vida útil de la batería.

Es el caso del circuito integrado DS2712 de Maxim, un controlador de carga de batería NiMH de 4,5 V que tiene el circuito básico mostrado en la figura 1.

 

Figura 1
Figura 1

 

 

La curva de carga de este controlador muestra que después de llegar al 100% produce una pequeña descarga que mantiene la batería en un valor seguro para mantener su vida útil, como muestra la figura 2.

 


 

 

 

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