STEP DOWN 10A s omezenim proudu (nabijec)

[Petr King]

Presne tak,
potrebuji nabijet tam, kde nemam k dispozici 230V..
I kdyz ono zapojeni s ATX zdrojem taky neni spatne, prece jen zdroj 6A 
nemam ani na stole. A spojovat vice laboratornich paralelne :D no ehm..

P.

Tony Malecky napsal(a):
> Ale on nechce nabijet autobaterii.
> chce z autobaterie nabijet triclanek do letadla-modelu...
>
> Tony OK1HMA
>
> ----- Original Message ----- 
> From: "Miroslav Sinko" <sinkomiro@rocketmail.com>
> To: "HW-news" <hw-list@list.hw.cz>
> Sent: Friday, May 18, 2007 1:40 AM
> Subject: Re: STEP DOWN 10A s omezenim proudu (nabijec)
>
>
> http://www.za.gaya.sk/~sinkom/ATXcharger/ARXcharger.html
>
> Ak trvate na 9,9V, tak si treba upravit spätnu vazbu R9, R10. Nepoznam
> clanky A123, ale standardna autobateria sa nabija na cielovych 14,4V.
>
>
> miro
>
>
>
> --- Petr King <petr.king@atlas.cz> wrote:
>
>   
>> Preji krasny den,
>> i kdyz je patek, verim, ze mi nekdo dokaze poradit...
>> Resim problem, jak nabijet clanky A123 z autobaterie. Pro neznale
>> veci -
>> potrebuji konstantni napeti 9,9V a proud 6-7A. Ten by mel byt tedy
>> omezen. Ukonceni nabijeni probehne klesanim proudu az temer k nule.
>> Uvazujme, ze napeti autobaterie neklesne pod 11,5V spise 12V. Nemusi
>> se
>> tedy jednat o prilis lowdrop zapojeni.
>>
>> Linearni zapojeni by pri techto parametrech asi byl poradny radiator,
>>
>> proto jsem uvazoval o pouziti stepdown... (pokud se mylim a stacilo
>> by,
>> opravte mne)
>>
>> Dokazal by mi nekdo doporucit vhodny obvod, pripadne upozornit, s cim
>> se
>> budu pri techto proudech potykat? Vetsina IO je do proudu 3A,
>> tlumivka
>> uz asi taky bude poradna.
>>
>> Dekuji za kazdy nazor...
>> Petr
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>>     
>
>
>
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