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Niki umushoferi IC muri Led yuzuye ibara?Nibihe bikorwa n'imikorere ya shoferi IC?

Mubikorwa bya LED yuzuye-amabara yerekana, imikorere yumushoferi IC ni kwakira amakuru yerekana (uhereye ku ikarita yakira cyangwa gutunganya amashusho hamwe nandi masoko yamakuru) ahuza na protocole, imbere muri PWM nimpinduka zigihe, no kugarura ibyasohotse no kumurika ibara ryinshi.nibindi bifitanye isano na PWM yo kumurika LED.IC periferique IC igizwe nubushoferi IC, logic IC na MOS ihindura ikora hamwe kumikorere yo kwerekana LED yerekana kandi ikagena ingaruka zerekana.

Imashini ya LED irashobora kugabanywamo ibice rusange-bigizwe na chip-idasanzwe.

Ibyo bita chip-rusange-chip, chip ubwayo ntabwo yagenewe umwihariko wa LED, ariko chip zimwe na zimwe za logique hamwe nibikorwa bimwe na bimwe bya logique ya ecran ya LED yerekana (nka seriveri-2-ihwanye na rejisitiri).

Chip idasanzwe yerekeza kuri chip ya shoferi yagenewe cyane cyane kwerekana LED ukurikije ibiranga urumuri rwa LED.LED ni igikoresho kiranga igikoresho, ni ukuvuga, munsi yikwirakwizwa ryuzuye, umucyo wacyo uhinduka nihinduka ryumuyaga, aho kugirango uhindure voltage hejuru yayo.Kubwibyo, kimwe mubintu byingenzi biranga chip yabugenewe ni ugutanga isoko ihoraho.Inkomoko ihoraho irashobora kwemeza gutwara neza LED no gukuraho guhindagurika kwa LED, nicyo gisabwa kugirango LED yerekanwe kwerekana amashusho meza.Ibice bimwe byihariye-bigamije kandi kongeramo imirimo idasanzwe kubisabwa mu nganda zinyuranye, nka LED ikosa ryerekana, kugenzura inyungu zubu no gukosora ubu.

Ubwihindurize bwumushoferi IC:

Mu myaka ya za 90, LED yerekana porogaramu yiganjemo amabara rimwe kandi abiri, kandi imashini zikoresha voltage zihoraho.Mu 1997, chip ya mbere yabugenewe yo kugenzura chip 9701 ya LED yerekanwe mu gihugu cyanjye, yavuye ku cyatsi cyo ku rwego rwa 16 igera ku cyatsi cyo ku rwego rwa 8192, ikamenya WYSIWYG ya videwo.Ibikurikira, urebye ibiranga LED itanga urumuri, umushoferi uhoraho yabaye ihitamo ryambere ryamabara yuzuye LED yerekana umushoferi, naho umushoferi wa 16-umuyoboro mwinshi wasimbuye umushoferi wa 8.Mu mpera z'imyaka ya za 90, amasosiyete nka Toshiba mu Buyapani, Allegro na Ti muri Amerika yagiye akurikirana imiyoboro 16 ya LED ihoraho.Muri iki gihe, mu rwego rwo gukemura ikibazo cyo gukoresha insinga za PCB za disikuru ntoya ya LED yerekanwe, bamwe mubakora ibinyabiziga IC bashizeho imiyoboro 48 ihuza imiyoboro ya LED ihoraho.

Ibipimo byerekana imikorere ya shoferi IC:

Mubipimo ngenderwaho byerekana LED yerekana, kugarura igipimo, urwego rwimvi no kwerekana amashusho ni kimwe mubipimo byingenzi.Ibi bisaba guhuza cyane hagati ya LED yerekana umushoferi wa IC imiyoboro, umuvuduko wihuta woguhuza interineti hamwe nigisubizo gihoraho.Mubihe byashize, igipimo cyo kugarura ubuyanja, igipimo cyimyenda nikigereranyo cyo gukoresha byari umubano wubucuruzi.Kugirango umenye neza ko kimwe cyangwa bibiri mubipimo bishobora kuba byiza, birakenewe kwigomwa bikwiye ibipimo bibiri bisigaye.Kubwiyi mpamvu, biragoye kuri LED nyinshi zerekana kugira ibyiza byisi byombi mubikorwa bifatika.Igipimo cyo kugarura ibintu ntigihagije, kandi imirongo yumukara ikunda kugaragara mugihe urasa hamwe nibikoresho byihuta bya kamera, cyangwa ibara ryinshi ntirihagije, kandi ibara numucyo ntibihuye.Hamwe niterambere ryikoranabuhanga ryabashoramari IC bakora, habaye intambwe mubibazo bitatu bikomeye, kandi ibyo bibazo byakemuwe.

Mugukoresha LED yuzuye-amabara yerekana, murwego rwo kwemeza ko umukoresha yorohewe nijisho ryigihe kirekire, umucyo muke hamwe nicyatsi kinini byahindutse urwego rwingenzi rwo kugerageza imikorere yumushoferi IC.


Igihe cyo kohereza: Ukwakira-09-2022