Mugihe cyo gushushanya amashanyarazi cyangwa moteri ya moteri hamwe naumubu, abantu benshi bazareba on-resistance ya mos transistor, voltage ntarengwa, hamwe numuyoboro mwinshi, ariko nibyo byose bazatekereza. Umuzunguruko nk'uwo urashobora gukora, ariko ntabwo ari umuzunguruko wo mu rwego rwo hejuru kandi ntiwemerewe gukora nk'ibicuruzwa bisanzwe.
Ikintu cyingenzi kirangaumubuni guhinduranya, bityo irashobora gukoreshwa cyane mumirongo itandukanye isaba guhinduranya elegitoronike, nko guhinduranya ibikoresho byamashanyarazi hamwe na moteri ya moteri. Muri iki gihe, imikoreshereze yimikorere ya mosfet:
1, amashanyarazi make
Iyo ukoresheje amashanyarazi ya 5V, niba imiterere ya totem pole gakondo ikoreshwa, kubera igabanuka rya voltage ya transistor iba hafi 0.7V gusa, voltage nyirizina amaherezo yapakiwe kumarembo ni 4.3V gusa, muriki gihe, niba duhisemo umubu ufite voltage ya 4.5V, umuzenguruko wose uzagira ibyago runaka. Ikibazo kimwe kizabaho mugihe ukoresheje 3V cyangwa andi mashanyarazi make.
2, amashanyarazi yagutse
Mubuzima bwacu bwa buri munsi, voltage twinjiza ntabwo ari agaciro gahamye, bizaterwa nigihe cyangwa ibindi bintu. Izi ngaruka zizatera umuzunguruko wa pwm gutanga voltage yo gutwara cyane idahinduka kuri mosfet. Kugirango rero wemerere transistors ya mos gukora neza mumashanyarazi maremare, menshiimibumuri iki gihe zubatsemo amashanyarazi agenga voltage yumuryango. Kuri iyi ngingo, iyo amashanyarazi yatanzwe yatanzwe arenze voltage yubuyobozi, umubare munini wokoresha ingufu za static zibaho. Mugihe kimwe, niba amarembo yumuryango yagabanutse gusa ukoresheje ihame rya voltage igabanya ihame, voltage yinjira izaba iri hejuru kandi umubu uzakora neza. Iyo voltage yinjiza igabanutse, voltage yumuryango idahagije, bikavamo gutwara bituzuye no kongera ingufu zamashanyarazi.
Igihe cyo kohereza: Nyakanga-04-2024
