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Re: Punjac za baterije


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Sva elektronika koja regulira punjenje baterije se nalazi u mobitelu, tako  
da su "punjaci" prakticki stabilizirani adapteri, i cisto sumnjam da imaju  
neko kvalitetnije izvedeno ogranicenje struje...

Re: Punjac za baterije
04.03.2016 u 20:39, Walter Gottwein je napisao/la:


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Re: Punjac za baterije
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https://www.google.hr/search?q=punja%C4%8D+izazvao+po%C5%BEar

Re: Punjac za baterije
Sinisa Platz wrote:
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Re: Punjac za baterije
Sinisa Platz wrote:


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A kako radi ta protekcija?






Re: Punjac za baterije
06.03.2016 u 19:07, vaso je napisao/la:
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Evo ponovo:

http://www.ic72.com/pdf_file/f/48827.pdf


dostigne 4.3V.






Re: Punjac za baterije
Sinisa Platz wrote:
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Prvo si me zbunio jer si spominjao:...protected lI-ion....



Btw: Za taj chip spominju: Operating Voltage max 9V.

chip dobiva punih 12V






Re: Punjac za baterije
06.03.2016 u 22:26, vaso je napisao/la:
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sklop, sa ICom koji je spojen direktno na bateriju i kontrolira dva  




Re: Punjac za baterije
On Sun, 6 Mar 2016 21:21:03 +0100, Sinisa Platz











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Re: Punjac za baterije
[.Night.] wrote:
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Za raspravu:

Suma sumarum.. isti klinac?  



Re: Punjac za baterije
vaso wrote:
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Re: Punjac za baterije

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Baterija se ne puni SA 4,2V nego DO 4,2V. Ato je ogromna razlika.
Da je punis SA 4,2V na pocetku punjeja bi crkla jer bi povukla ogromnu  
stuju.
Ako struju ogranicis, onda to vise nije punjenje SA 4,2V nego DO.  


Re: Punjac za baterije

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Re: Punjac za baterije


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Zastita od kratkog spoja nije strujni limit nego prekid usb napona
uslijed prekostrujnog dogadjaja.
To ovisi i o izvedbi, moguce je i strujni limit, ali to nije pravilo.


Re: Punjac za baterije


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Moguce! USB adapteri vjerojatno imaju strujni limit,




Re: Punjac za baterije



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Moji laptopi su se ugasili kod slusa naUSB-u, koliko se sjecam.
Ugasili se ponekad kod stekanja ili ukljucenja eksternog harda ako se je  
napajao samo iz usb-a.
Inace da ima strujni limit, to bi bilo sranje za hard disk, glava bi  
strugala po diskovima.  


Re: Punjac za baterije




https://issuu.com/nabavanet2/docs/katalog29022016073810_714/19?e=0



Re: Punjac za baterije

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www.ebay.com/itm/Micro-USB-Li-Ion-charger-PCB-18650-with-output-protection-/141470933562







"protected" koje su zapravo unprotected. Pa treba pripaziti ima li

gubljenje kapaciteta.


Takve su u pravilu u baterijama od laptopa, zavarene su u parovima i


paralelu.

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