MOSFET Shuruudaha Wareega Darawalka

Waqtiga Boostada: Jul-24-2024

Wadayaasha MOS ee maanta, waxaa jira dhowr shuruudood oo aan caadi ahayn:

1. Codsiga danab yar

Marka codsiga 5V beddelkakorontada, wakhtigan haddii isticmaalka qaab dhismeedka cirifka totem dhaqanka, sababtoo ah triode noqon kaliya 0.7V kor iyo hoos khasaaraha, taasoo keentay in iridda load final gaar ah oo ku saabsan danab waa 4.3V oo kaliya, waqtigan, isticmaalka danab albaabka la ogol yahay. oo ah 4.5VMOSFET-yada waxaa jira xad gaar ah oo khatar ah.Xaalad la mid ah sidoo kale waxay ku dhacdaa codsiga 3V ama koronto kale oo yar oo korantada ah.

Codsiga danabka 2.Wide

Korantada furaha ma laha qiimo tiro, way kala duwan tahay waqti ka waqti ama sababo kale dartood. Kala duwanaanshuhu wuxuu keenaa korantada wadista ee MOSFET ee wareegga PWM ay noqoto mid aan degganayn.

Si loo sugo MOSFET-ta danabyada albaabka sare, MOSFETs badan ayaa ku dhejiyay hagayaasha korantada si ay ugu qasbaan xadka baaxadda danabka albaabka. Xaaladdan oo kale, marka danab drive la keeno in ay ka badan danab of regulator ah, khasaare weyn oo shaqo oo joogto ah ayaa sababay.

Isla markaa, haddii mabda'a aasaasiga ah ee qaybiyaha danab-celinta loo isticmaalo si loo yareeyo danabka albaabka, waxay dhacaysaa in haddii korantada furaha uu sarreeyo, MOSFET si fiican ayey u shaqeysaa, haddii korantada furaha la dhimo, korantada albaabka ma aha. ku filan, taasoo keentay in aan ku filnayn daar iyo damin, taas oo kor u qaadi doonta luminta shaqada.

MOSFET wareegga ilaalinta xad dhaafka ah si ay uga fogaato shilalka gubashada korontada(1)

3. Codsiyada korantada ee laba-geesoodka ah

Wareegyada kontoroolka qaarkood, qaybta macquulka ah ee wareeggu waxay khusaysaa tamarta xogta 5V ama 3.3V ee caadiga ah, halka qaybta awoodda wax soo saarku ay khuseyso 12V ama ka badan, labada korantadana waxay ku xiran yihiin dhul wadaag ah.

Tani waxay caddaynaysaa in wareegga korantada laga faa'iidaysan karo si dhinaca korantada yar uu si macquul ah u maamulo tamarta sare ee MOSFET, halka MOSFET ay awood u leedahay inay la tashato isla dhibaatooyinka lagu sheegay 1 iyo 2.

Saddexdan xaaladood, dhismaha totem tiirka ma buuxin karo shuruudaha wax soo saarka, qaar badan oo ka mid ah darawallada MOS ee ICs uma muuqdaan inay ku jiraan korantada albaabka xaddidaya dhismaha.