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Układ scalony, o większej mocy w podstawce... - Forum Elektroniczne

Układ scalony, o większej mocy w podstawce...

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gkgkgk
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Układ scalony, o większej mocy w podstawce...

Postautor: gkgkgk » sob 04 sie 2007, 1:51

Witam,

poproszę o poradę, czy taki sposób mocowania układu pobierającego sporą moc, ale pracującego bez radiatora (driver do silnika krokowego) ma sens (jakie są ograniczenia "prądowe" podstawek pod IC):



a może jest inny sposób, na "wyjmowalne" zmontowanie tego typu układów

pozdrawiam
greg007

movzx
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Postautor: movzx » sob 04 sie 2007, 2:14

Nie widziałem typowego układu scalonego (w obudowie DIP) który pozwalałby na prądy większe niż 500mA na pin, i myślę że większość podstawek jest robiona pod takie (albo mniejsze) obciążenia. Proponowałbym zacząć od modyfikacji układu, tak żeby się te drivery tak nie paliły (bo śmiem przypuszczać że o to chodzi), no i radiator jednak byłby wskazany - istotne są nie tylko ograniczenia prądowe, ale i termiczne :)
Pozdr.

gkgkgk
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Postautor: gkgkgk » sob 04 sie 2007, 13:04

Witam,

no to patrz :-)



pozdrawiam

PS Ponawiam pytanie, czy jest inny sposób na zamontowanie "prądożernych" elementów, tak by można jej wyjmować?
greg007

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Postautor: movzx » sob 04 sie 2007, 21:27

Patrzę i nie widzę - proponuję dokładniej czytać, albo dowiedzieć się czym się różni SIP od DIP :)
Co do montażu - można dolutować dowolne złącze na kablu i gniazdo w płytkę - no chyba że te scalaki palą się garściami, wtedy proponowałbym jednak rozważyć przykręcanie ich do czegoś :)
Pozdr.


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