Ngenxa yokuba i-drive circuit kwi-optoelectronic edibeneyo yokukhanyisa imodyuli ye-LED idibaniswe ne-LED edibeneyo yomthombo wokukhanya wokukhanya, ubomi beemodyuli ezimbini buya kuchaphazela ubomi benkonzo yemodyuli yokukhanyisa yonke. Ukuba umyili ufuna ukwandisa ixesha elisebenzayo lokusetyenziswa kwayo yonke imodyuli yokukhanyisa i-LED, ngaphezu kokukhetha umthombo wokukhanya kwe-LED kunye nexesha elide lokuphila, zama ukwandisa ubomi besiphaluka sokuqhuba. Uyilo oluqhelekileyo lwesekethe yomqhubi we-LED ephezulu kwimarike inokwahlulwa ngokweendidi ezintathu. Eyokuqala kukusebenzisa i-architecture yesiphaluka ye-current-limiting resistor. Okwesibini kuyilo lwesiphaluka somguquleli wokutshintsha. Qhuba uyilo lwesekethe. Phakathi kwabo, i-architecture yesiphaluka ye-current-limiting resistant ilawulwa ngokuyininzi kwiichungechunge ze-LED ngokuxhathisa uchungechunge. Ngoko ke, i-LED yangoku iya kutshintsha kunye notshintsho kwi-voltage yegalelo, ukuvelisa izinto ezingalunganga ezingenakugcinwa kwixabiso elimiselweyo. Okwangoku Isekethe ye-LED drive ithathelwe indawo. Ngokubhekiselele kwisakhiwo sesekethe esamkela isiguquli sotshintshiselwano kunye nezinye iindidi ezimbini, kunokufunyanwa ukuba iingenelo zayo zoguqulo oluphezulu lwesekethe, kwaye inokudibana nayo nayiphi na imeko yombane wegalelo elikhulu, elingaphantsi okanye elilingana i-voltage yemveliso ngokweentlobo zeesekethe ezahlukeneyo. Nangona kunjalo, i-architecture yesekethe ye-converter converter kufuneka isebenzise izinto zamagnetic ukufikelela ekuhanjisweni kwamandla. Ngoko ke, isiphaluka sikhulu kwaye sinzima, kwaye kufuneka singeniswe kwamanye amacandelo angaphandle angaphandle. Qhuba isekethe. Kukho kwakhona i-linear fixed -current LED -drive circuit architecture. Ngenxa yokuba akukho nto yongezelelweyo yokugcina amandla, uyilo lwesekethe lunokwenziwa lula. Ke ngoko, iingenelo zokuqokelelwa kweqela elincinci, ixabiso eliphantsi, kunye namacandelo aphantsi angaphandle asetyenziswayo. Olona khetho lufanelekileyo lwemodyuli.
![Uguqulo olufanelekileyo lufanelekile kwiiModyuli zoMthombo wokukhanya oDityanisiweyo we-LED 1]()
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