I-Anode Ejwayelekile i-Anode vs Choode Common Choode: Ukuqhathanisa okuphezulu

1. Isingeniso

Ingxenye esemqoka yesibonisi se-LED yi-diode ekhipha ukukhanya (i-LED), okuthi, njenge-diode ejwayelekile, inencazelo yesimo se-conduction-esisho ukuthi ine-heal (anode) ne-negatil (i-cathode) ne-negatil ebi. Ngokwanda kwezimakethe zezimakethe zokuboniswa kwe-LED, njengokuphila isikhathi eside, ukuvumelana, nokusebenza kwamandla, ukusetshenziswa kwe-cathode ejwayelekile kanye nokucushwa kwama-anode okujwayelekile sekuphenduke izicelo ezahlukahlukene. Ukukusiza uqonde kangcono lobu buchwepheshe obubili, le ndatshana izohlinzeka ngesibukezo esinemininingwane yolwazi lwayo olufanele.

2. Umehluko obalulekile phakathi kwe-cathode ejwayelekile ne-anode ejwayelekile

Esethiwe evamile ye-cathode, zonke izimbotshana ze-LED CATHEDES (ama-terminals amabi) abelana ngokuxhumana okujwayelekile, ngenkathi i-anode ngayinye ilawulwa yi-voltage. Ngokuphambene nalokho, ukucushwa kwama-anode okujwayelekile kuxhumana wonke ama-anome e-LED (ama-terminals alungile) endaweni eyabiwe, ngama-cathtode athile aphethwe ngokulawulwa kwamandla kagesi. Zombili lezi zindlela zisetshenziswa ezimweni ezihlukile zokuklanywa kwesifunda.

Ukusetshenziswa kwamandla:

Esikhathini esijwayelekile se-anode, i-terminal ejwayelekile ixhumeke ezingeni eliphakeme lamandla kagesi futhi lihlala lisebenza noma nini lapho kudingeka i-voltage ephezulu. Ngakolunye uhlangothi, e-Diode ejwayelekile ye-Conthode, i-terminal ejwayelekile ixhumeke emhlabathini (GND), futhi kuphela i-diode ethile edinga ukuthola i-voltage ephezulu ukuze isebenze, ukunciphisa ngokufanele ukusetshenziswa kwamandla. Lokhu kuncishiswa kokusetshenziswa kwamandla kusiza ikakhulukazi ama-LEDs asetshenziselwa izikhathi ezengeziwe, ngoba kusiza ukwehlisa izinga lokushisa kwesikrini.

I-Circuity Collective:

Ngokuvamile, ezinhlangeni zobunjiniyela ezisebenzayo, amaseliphu e-Dialode Diode ajwayelekile athambekele ekubeni yinkimbinkimbi ngokwedlula imibuthano evamile ye-anode diode. Ukucushwa kwama-anode ajwayelekile akudingi imigqa eminingi ephezulu yevota yokushayela.

3. I-CHOODE ejwayelekile

3.1 Iyiphi i-cathode ejwayelekile

Ukucushwa okujwayelekile kweKathode kusho ukuthi ama-terminals amabi (ama-Cathode) ama-LED axhunyiwe ndawonye. Emjikelezweni ojwayelekile we-cathode, wonke ama-LED noma ezinye izinto eziqhutshwa njengamanje zinezinto zazo ezixhunyiwe endaweni eyabiwe, evame ukubizwa ngokuthi "inhlabathi" (GND) noma i-cathode ejwayelekile.

3.2 Ukusebenza komgomo we-cathode ejwayelekile

Ukugeleza Kwamanje:
Emjikelezweni we-cathode ojwayelekile, lapho isikhungo esisodwa noma esithe xaxa sokulawula isekethe sinikeza amandla aphezulu, ama-anode ahambisanayo noma ama-anode ahambisanayo asebenza. Ngalesi sikhathi, ukugeleza kwamanje okuvela ku-Choode Commode (GND) kulezi zinto ze-anode ezicushiwe, ezibenza bakhanyise noma benze imisebenzi yabo.

Control logic:
Isifunda sokulawula silawula isimo se-LED ngayinye noma ezinye izingxenye (okuvuliwe noma zivaliwe, noma ezinye izifundazwe ezisebenzayo) ngokushintsha ama-voltage level (ephezulu noma ephansi) kuma-tertage terminals awo. Emjikelezweni ojwayelekile we-cathode, izinga eliphakeme ngokujwayelekile libonisa ukusebenza (ukukhanyisa noma ukwenza umsebenzi), ngenkathi izinga eliphansi libonisa ukungasebenzi (hhayi ukukhanyisa noma ukwenza umsebenzi).

4. I-Anode ejwayelekile

4.1Iyini i-anode ejwayelekile

Ukucushwa kwama-anode ajwayelekile kusho ukuthi ama-terminals amahle (ama-anode) ama-LED axhunyiwe ndawonye. Esisekelweni esinjalo, zonke izingxenye ezihlobene (ezinjengeLeds) zinama-anode azo axhumeke endaweni evamile ye-anode, ngenkathi i-Choode yengxenye ngayinye ixhumeke kuma-terminals ahlukile okukhipha.

4.2 Umsebenzi osebenzayo we-anode ejwayelekile

Ukulawulwa Kwamanje:
Esisekelweni se-anode ejwayelekile, lapho isikhungo esisodwa noma esithe xaxa sokulawula isifunda sinikeza amandla aphansi, kudalwa indlela phakathi kwe-cathode ye-LED ehambisanayo noma i-anode evamile, okuvumela ukuthi kube manje kusuka ku-anode kuya e-cathode, okwenza ingxenye ethile ikhanyise noma yenze umsebenzi wayo. Ngakolunye uhlangothi, uma i-terminal yokuphuma isemathanjeni aphezulu, okwamanje akukwazi ukudlula, futhi ingxenye ayikukhanyi.

Ukusatshalaliswa kwe-Voltage:
Kuzinhlelo zokusebenza ezifana nokuboniswa okujwayelekile kwe-ANDODE LED, ngoba wonke ama-anode we-LED axhunyiwe ndawonye, ​​abelana ngomthombo ofanayo wevota. Kodwa-ke, i-Choode ye-LED ngayinye ilawulwa ngokuzimela, ivumela ukulawula okuqondile kokukhanya kwe-LED ngayinye ngokulungisa i-voltage ekhishwayo kanye nokwamanje kusuka kumjikelezo wokulawula.

I-5. Izinzuzo ze-anode ejwayelekile

5.1 Ukukhishwa okuphezulu kwamandla kwamanje

Izakhiwo zesifunda ezijwayelekile ze-Anode ziyinkimbinkimbi, kepha zinesilinganiso esiphakeme samanje. Lesi sici senza amasekethe ajwayelekile we-anode alungele izinhlelo zokusebenza ezidinga umphumela ophakeme wamandla, njengemigqa yokuhambisa amandla noma abashayeli bamandla aphezulu.

5.2 Ukulinganisa umthwalo omuhle kakhulu

Kumjikelezo we-anode ejwayelekile, ngoba zonke izingxenye zabelana ngephuzu le-anode elijwayelekile, okukhishwa okukhona okuthengiswayo kusatshalaliswa ngokulinganayo phakathi kwezakhi. Lokhu kulinganisa umthwalo wokulinganisa kusiza ukunciphisa izingqinamba ze-mismatch, ngcono ukusebenza kahle kanye nokuqina kwesifunda.

5.3 Ukuvumelana nezimo kanye nokukhubazeka

Imiklamo ye-Anode Anode Common ivumela ukungezwa okuguqukayo noma ukususwa kwezakhi ngaphandle kwesidingo sokulungiswa okubalulekile esakhiweni sasemjikelezweni sonke. Lokhu kuvumelana nezimo kanye nokukhubazeka kunikeza inzuzo ecacile ezinhlelweni eziyinkimbinkimbi nezinhlelo ezinkulu.

5.4 I-Design yesekethelisi esenziwe lula

Kwezinye izinhlelo zokusebenza, umjikelezo we-anode ojwayelekile ungabenza lula ukwakheka kwesekethe. Isibonelo, lapho ushayela ama-LED arrays noma ukuboniswa kwengxenye engu-7, umjikelezo we-anode ojwayelekile ungalawula izingxenye eziningi ngezikhonkwane ezimbalwa nokuxhunywa, ukunciphisa ukuklama okuyinkimbinkimbi kanye nezindleko.

5.5 Ukuguquguquka kwamasu ahlukahlukene okulawula

Imibuthano ye-anode ejwayelekile ingahlalisa amasu ahlukahlukene okulawula. Ngokushintsha amasiginali okuphuma kanye nesikhathi sokulawula umjikelezo, ukuphathwa okuqondile kwengxenye ngayinye kwisifunda se-anode ejwayelekile kungatholakala ukuze kuhlangatshezwane nezidingo zohlelo lokusebenza ezihlukile.

5.6 ukuthembeka kohlelo okuthuthukile

Idizayini yemibuthano ye-anode ejwayelekile igcizelela ukulinganisa kokulinganisa kanye nokusatshalaliswa kwamanje, okunomthelela ekuthembekeni kohlelo lonke. Ekusebenzeni isikhathi eside kanye nezimo eziphezulu zomthwalo, amasekethe we-anode ejwayelekile agcina ukusebenza okuzinzile, anciphise amanani okuhluleka nokuhlunga.

6.Amathiphu we-Anode wokusetha ajwayelekile

Qinisekisa ukuthi i-anode kagesi ejwayelekile iyazinza futhi iphakeme ngokwanele ukushayela zonke izinto ezixhunyiwe.

Dizayina ama-voltage akhipha i-voltage kanye nobubanzi bamanje bokulawula umjikelezo ngokufanele ukugwema izingxenye ezilimazayo noma ukusebenza okulimazayo.

Cabanga ngezimpawu ze-Forward Voltage Drop Izici ze-LEDs futhi uqinisekise i-margin eyanele ye-voltage ekwakhiweni.

7. Izinzuzo zeChodical Cartode evamile

7.1 amandla aphezulu wamandla

Imibuthano evamile yeKathode ingahlanganisa amasiginali okukhipha amadivaysi amaningi we-elekthronikhi, okuholela ekuphakameni kwamandla aphezulu okukhipha. Lokhu kwenza amasekethe ajwayelekile we-Conthode azuzisa kakhulu ezimweni zokukhipha amandla aphezulu.

7.2 Ukuguquguquka

Ama-terminals wokufaka nokukhipha we-Cartode Calcuit ajwayelekile angaxhunywa ngokukhululeka, okuvumela ukuthi kusetshenziswe kalula kumadivayisi ahlukahlukene kagesi. Lokhu kuguqulwa okuhlinzekwayo kuhlinzeka ngezindawo ezijwayelekile ze-cathode ezinezicelo ezibanzi ezibanzi emkhakheni wobunjiniyela be-elekthronikhi.

7.3 Ukulungiswa kokulungiswa

Ngokulungisa izingxenye ezifana nokumelana noma ama-transformers esifundeni, isimo sokusebenza kanye nokukhipha izimpawu zesifunda se-cathode ejwayelekile zingashintshwa kalula. Lokhu kulula kokulungiswa kwenza amasekethe ajwayelekile we-Conthode athandwa kuzinhlelo zokusebenza ezidinga ukulawulwa okuqondile kwezimpawu zokuphuma.

7.4 Ukulawulwa kokusetshenziswa kwamandla

Ku-LED Display Izicelo, amaseliphu eCalloode ajwayelekile angasabalalisa ngokunembile i-voltage, anciphise ngempumelelo ukusetshenziswa kwamandla. Lokhu kutholakala ngoba amasekethe ajwayelekile we-CATHODE avumela ukuhlinzekwa kwe-voltage okuqondile ngokuya ngezidingo ezithile ze-LED, kuqeda isidingo sabavikeli bamandla akwa-voltage kanye nokunciphisa ukulahleka kwamandla okungadingekile nokushisa kwamandla. Isibonelo, ubuchwepheshe obujwayelekile beKathode bunganciphisa i-voltage esebenzayo yama-chips aholwa kusuka ku-4.2-5v kuya ku-2.8-3.3v ngaphandle kokuthinta ukugqama noma ukukhombisa ngokuqondile, okunciphisa ngokuqondile ukusetshenziswa kwamandla kwe-free-pitch eholwa ngaphezulu kwama-25%.

7.5 Ukusebenza okuthuthukisiwe kokubonisa nokuqina

Ngenxa yokusetshenziswa kwamandla okuncishisiwe, amasetheli evamile we-cathode anciphisa izinga lokushisa lesikrini lonke. Ukuqina nokuphila kwama-LEDs kulingana kakhulu ekushiseni; Ngakho-ke, amazinga okushisa aphansi esikrini aholela ekuthembekeni okuphezulu kanye nesikhathi esijana sokuphila ngokuboniswa okuholwa. Ngokwengeziwe, ubuchwepheshe be-CATHODE ojwayelekile bunciphisa inani lezakhi ze-PCB, okuthuthukiswa okuthuthukile kohlelo nokuqina.

7.6 Ukulawulwa okuqondile

Kuzinhlelo zokusebenza ezidinga ukulawulwa okuqondile kwama-LED amaningi noma ezinye izinto, njengokukhombisa ama-LED kanye nokuboniswa kwe-7-segment, amasekethe ama-cathode ajwayelekile anika amandla ukulawulwa okuzimele kwengxenye ngayinye. Lokhu kusebenza kokulawula okunembile kwenza amasetheli ajwayelekile we-Cathode agqamile kukho konke ukukhombisa ukusebenza nokusebenza.

8. Izeluleko ezijwayelekile zokusetha iChodi

Lapho usebenzisa imibukiso evamile ye-cathode 7-segment ekhombisa, gwema ukuxhumana ngqo nobuso futhi uphathe izikhonkwane ngokucophelela. Nakisisa izinga lokushisa nesikhathi sokuthengisa ukuze uqinisekise ikhwalithi yokuthengisa. Futhi, qiniseka ukuthi i-voltage esebenzayo futhi yamanje iyafaniswa, inhlabathi iChoode ejwayelekile kahle, bese ubheka amandla okushayela ama-microcontroller nokubambezeleka. Ngokwengeziwe, naka ifilimu evikelayo, ukuhambisana nesimo sohlelo lokusebenza, kanye nokuqina kohlelo ukuqinisekisa ukusebenza okujwayelekile kanye nokuphila okuthe xaxa kwe-Cathode Event 7-Segment Display.

9. Ungayibona kanjani i-cathode evamile vs. anode ejwayelekile

9.1 Bheka izikhonkwane ze-LED:

Ngokuvamile, iphini elifushane le-LED yi-cathode, futhi iPIN ende iyi-anode. Uma i-microcontroller ixhumanisa izikhonkwane ezinde ndawonye, ​​isebenzisa ukucushwa kwama-anode ajwayelekile; Uma izikhonkwane ezinde zixhunyiwe emachwebeni e-microcontroller's Io, kusetshenziswa ukucushwa okujwayelekile kwe-cathode.

9.2 Isimo seVoltage ne-LED

Nge-LED efanayo, nge-voltage efanayo yama-port port, uma u- "1" ukhanyisa i-LED futhi "0" uyacisha, kukhombisa ukucushwa okuvamile kwe-cathode. Ngaphandle kwalokho, ukucushwa kwe-anode okuvamile.

Ngamafuphi, enquma ukuthi ngabe i-microcontroller isebenzisa i-cathodoller evamile noma ukumiswa kwama-anode ajwayelekile kubandakanya ukuhlola indlela yokuxhumeka ye-LED, i-LED Out's State, kanye ne-Port Autput Voltage. Ukuhlonza ukucushwa okulungile kubalulekile ekuphathweni okufanele kwama-LED noma ezinye izinto zokubonisa.

Uma ufuna ukwazi kabanzi ngokuboniswa kwe-LED,Xhumana nathi manje. I-RTYLEDizophendula imibuzo yakho.