Charge flottante de batterie NiMH

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    J'ai besoin d'une alimentation secourue pour une horloge et, pour
    cela, j'aimerais utiliser quatre batteries NiMH (format AAA) en

    Est-il possible d'utiliser un TL1512 ? Je comprends que ce composant

    mais quid d'une charge flottante ?

    N'importe quel autre composant (traversant) m'irait tout aussi bien.

    Bien cordialement,

    JKB

--  


=> http://grincheux.de-charybde-en-scylla.fr
=> http://loubardes.de-charybde-en-scylla.fr

Re: Charge flottante de batterie NiMH
JKB wrote:

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s claires.
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,
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Vous avez une horloge sur secteur et vous voulez qu'elle bascule sur


C'est quoi une "charge flottante" ?

Vous avez un lien vers ce composant, TL1512 ?


Re: Charge flottante de batterie NiMH


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Re: Charge flottante de batterie NiMH
Le Thu, 28 Nov 2019 15:25:18 +0100,


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    JKB

--  


=> http://grincheux.de-charybde-en-scylla.fr
=> http://loubardes.de-charybde-en-scylla.fr

Re: Charge flottante de batterie NiMH
JKB wrote:
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ait :

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Pas mieux ...



leurs,


Toutes les infos sont dans les specs.

"fast charge" je connais, "slow charge", "trickle charge".




on killfile...

Oups ...


lfile.




e


Oups ...



Re: Charge flottante de batterie NiMH

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https://www.regenebatt.com/batterie-world/questions-reponses-batterie/quest-ce-la-tension-de-floating.html

Re: Charge flottante de batterie NiMH
Le Fri, 29 Nov 2019 00:12:24 +0100,


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    killfile.




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    l'artillerie lourde (MPU ou autre).

    JKB

--  


=> http://grincheux.de-charybde-en-scylla.fr
=> http://loubardes.de-charybde-en-scylla.fr

Re: Charge flottante de batterie NiMH
JKB wrote:
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rivait :

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ur

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es

?leurs,

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 killfile.
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? par le
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quest-ce-la-tension-de-floating.html
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e simplement

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t
pourquoi.

Je me demande pourquoi LT classe LT1512 dans les chargeurs de batterie.
Ce composant n'a aucune fonction d'un chargeur de batterie.


Combien de temps durent vos coupures et en combien de temps il vous
faut recharger ?




Re: Charge flottante de batterie NiMH
Chab wrote:

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ivait :

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r

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s

?leurs,

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killfile.
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uest-ce-la-tension-de-floating.html  
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Attention ce lien est valable uniquement pour les batteries plomb-acide.


Re: Charge flottante de batterie NiMH

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Maintenant pour aller plus loin, moi j'ai ma bible:

http://www.ni-cd.net

Chab

Re: Charge flottante de batterie NiMH
Chab wrote:

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sur

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?leurs,

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e killfile.
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http://www.ni-cd.net/accusphp/chargeur/realisation/schemas.php

Tous les liens sont morts ...


Re: Charge flottante de batterie NiMH

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CUT


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Certes c'est un site ancien et il y a quelques liens inactifs, surtout  
sur le chargement des datasheets, mais il est facile d'aller les  
chercher autrement, mais force est de constater qu'il y a encore  

qui se posent des questions.

Chab

Re: Charge flottante de batterie NiMH
Le Fri, 29 Nov 2019 15:00:04 +0100,


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    Certes, mais dans mon cas, je ne me pose pas la question de
    l'accumulateur, mais du composant permettant la charge. Charger un



    un MCU.

    JKB

--  


=> http://grincheux.de-charybde-en-scylla.fr
=> http://loubardes.de-charybde-en-scylla.fr

Re: Charge flottante de batterie NiMH
JKB wrote:
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es pour ceux
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l'ancienne). La

e

sser par
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Si vous expliquiez le cycle de votre horloge - consommation, temps


Oui, vous pouvez faire avec TL1512. Et avec un LM317 aussi.



reprogrammable. Mais il faut au moins un transistor pour commuter




Re: Charge flottante de batterie NiMH

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floating = charge d'entretien.
http://www.ni-cd.net/accusphp/theorie/nickel/charge.php

Re: Charge flottante de batterie NiMH
JKB wrote:

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s claires.
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,
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https://www.youtube.com/watch?v=uLSi7NGa9JE



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