Bayanin Fasaha na Nunin LED na LTD-5721AJS - Tsayin Lamba 0.56-inch - AlInGaP Rawaya - Ƙarfin Wutar Gaba 2.6V - Takardar Fasaha ta Turanci

1. Bayyani Game da Samfur

LTD-5721AJS wani na'ura ne mai inganci, mai ƙarancin wutar lantarki na nunin LED mai sassa bakwai. Babban aikinsa shine samar da fitarwa mai haske, mai bayyanawa na lambobi da wasu haruffa a cikin na'urorin lantarki. Fasahar tushe ta dogara ne akan kayan semiconductor na Aluminium Indium Gallium Phosphide (AlInGaP), wanda aka san shi da ingantaccen aiki da tsaftar launi a cikin bakan launin rawaya-lemu-ja. Wannan na'urar musamman tana fitar da hasken rawaya, wanda aka siffanta shi da babban tsayin raƙuman ruwa. Nunin yana da fuskar launin toka mai haske da launin sassa fari, wanda ke ƙara bambanci da karantawa a ƙarƙashin yanayi daban-daban na haske. An rarrabe shi don ƙarfin haske, yana tabbatar da daidaiton matakan haske a cikin samfuran samarwa, wanda ke da mahimmanci ga aikace-aikacen da ke buƙatar fitarwa na gani iri ɗaya.

1.1 Fa'idodi na Musamman da Kasuwar da Ake Nufi

An ƙera wannan nunin don aikace-aikacen da ingantaccen amfani da wutar lantarki, aminci, da bayyananniyar gani suka fi mahimmanci. Ƙarancin buƙatun wutar lantarki, tare da sassan da ke aiki da ƙananan wutar lantarki har zuwa 1mA, ya sa ya dace sosai don na'urorin da ke amfani da baturi ko na'urori masu kulawa da makamashi kamar kayan aikin hannu, mitoci na hannu, na'urorin lantarki na masu amfani, da kuma kwamfutocin sarrafa masana'antu. Babban haske da faɗin kusurwar kallo suna tabbatar da cewa bayanan da aka nuna ana iya karantawa cikin sauƙi daga kusurwoyi daban-daban, wata siffa mai mahimmanci ga kayan aikin da aka ɗora akan panel. Amintaccen ingancin fasahar LED yana ba da tsawon rayuwar aiki ba tare da sassa masu motsi ba, yana sa ya dace da yanayi masu tsauri inda lalacewar inji ke damuwa. Ci gaba da sassa iri ɗaya yana ba da kyakkyawan bayyanar haruffa, yana samar da tsafta da kyan gani na ƙwararru.

2. Zurfafa cikin Sigogin Fasaha

Wannan sashe yana ba da cikakken bincike na gaskiya game da ƙayyadaddun lantarki da na gani kamar yadda aka ayyana a cikin takardar bayanin. Fahimtar waɗannan sigogi yana da mahimmanci don ƙirar da'ira daidai da haɗa tsarin.

2.1 Halayen Hoto da Na Gani

Ana auna mahimman sigogi na gani a ƙarƙashin daidaitattun yanayin gwaji (yawanci a yanayin zafi na 25°C).Matsakaicin Ƙarfin Hasken (Iv)ya bambanta daga mafi ƙanƙanta 320 µcd zuwa na yau da kullun 700 µcd lokacin da aka sarrafa shi da wutar lantarki ta gaba (IF) na 1mA kowane sashe. Wannan siga yana ƙididdige hasken da ake gani daga hasken da aka fitar.Matsakaicin Tsayin Raƙuman Ruwa (λp)shine 588 nm, yana nuna tsayin raƙuman ruwa inda rarraba ƙarfin bakan ya fi girma.Babban Tsayin Raƙuman Ruwa (λd)shine 587 nm, wanda shine tsayin raƙuman ruwa guda ɗaya da idon ɗan adam ya gane wanda ya fi dacewa da launin hasken da aka fitar.Rabin Faɗin Layin Bakan (Δλ)shine 15 nm, yana bayyana faɗin band na hasken da aka fitar; ƙaramin rabin faɗi yana nuna launi mafi tsafta, mafi tsafta. Ana auna ƙarfin haske ta amfani da na'urar firikwensin da tacewa wanda ya kusanci lanƙwaran amsawar ido na CIE photopic, yana tabbatar da cewa ma'aunai suna da alaƙa da hangen nesa na ɗan adam.

2.2 Sigogi na Lantarki

Halayen lantarki suna ayyana iyakokin aiki da buƙatun don da'irar tuƙi.Ƙarfin Wutar Gaba Kowane Sashe (VF)yana tsakanin 2.05V (mafi ƙanƙanta) da 2.6V (mafi girma) a wutar gwaji na 20mA. Wannan shine raguwar wutar lantarki a kan LED lokacin da yake gudana. Dole ne masu ƙira su tabbatar da cewa da'irar tuƙi na iya samar da wannan wutar lantarki.Wutar Lantarki ta Baya Kowane Sashe (IR)shine matsakaicin 100 µA lokacin da aka yi amfani da wutar lantarki ta baya (VR) na 5V, yana nuna matakin ɗigon ruwa lokacin da LED ta kasance mai karkatar da baya. Wucewa da Matsakaicin Matsakaicin Ƙimar zai iya haifar da lalacewa ta dindindin. Waɗannan sun haɗa da matsakaicinRushewar Wutar Lantarki Kowane Sashena 40 mW,Matsakaicin Wutar Lantarki ta Gabana 60 mA (a ƙarƙashin yanayin bugun jini), da kumaCi gaba da Wutar Lantarki ta Gabana 25 mA wanda dole ne a rage shi a layi sama da 25°C a ƙimar 0.33 mA/°C. MatsakaicinƘarfin Wutar Lantarki ta Bayashine 5V.

2.3 Ƙimar Zafi da Muhalli

An ƙididdige na'urar donKewayon Yanayin Zafin Aikina -35°C zuwa +85°C da kuma irin wannanKewayon Yanayin Zafin Ajiya. Wannan faɗin kewayon yana tabbatar da aiki a mafi yawan muhallin kasuwanci da masana'antu.Zafin Solderƙayyadaddun yana da mahimmanci ga haɗawa: na'urar na iya jure 260°C na tsawon dakika 3 a wani wuri 1/16 inch (kusan 1.6mm) ƙasa da matakin wurin zama. Wannan yana jagorantar bayanin solder na sake karkatarwa don hana lalacewar zafi ga guntu na LED ko kunshin.

3. Bayanin Tsarin Rarraba

Takardar bayanin ta ce na'urar \"An Rarrabe ta don Ƙarfin Hasken.\" Wannan yana nuna tsarin rarrabawa ko rarrabuwa bayan samarwa. Duk da yake ba a bayar da cikakkun bayanai game da lambobin rukunonin a cikin wannan ɓangaren ba, rarrabuwa na yau da kullun don irin waɗannan nunin ya ƙunshi rarraba raka'a bisa ga auna ƙarfin haske a daidaitaccen wutar gwaji (misali, 1mA ko 20mA). Wannan yana tabbatar da cewa a cikin odar samarwa ɗaya ko haɗawa, duk lambobi suna da daidaitaccen haske, yana hana rashin daidaiton haske a cikin nunin mai lambobi da yawa. Masu ƙira yakamata su tuntubi masana'anta don takamaiman tsarin rarrabawa da lambobin don ƙayyade buƙatun daidaito don aikace-aikacensu.

4. Bincike akan Lanƙwaran Aiki

Takardar bayanin tana nuni zuwa \"Lanƙwaran Halayen Lantarki/Gani na Yau da Kullun\" waɗanda ke da mahimmanci don fahimtar halayen na'urar fiye da ƙayyadaddun sigogi na wuri guda. Ko da yake ba a nuna takamaiman jadawali a cikin rubutun da aka bayar ba, lanƙwaran daidaitattun don irin waɗannan LED ɗin zai kasance yawanci sun haɗa da:Dangantakar Ƙarfin Hasken da Wutar Lantarki ta Gaba (Lanƙwaran I-V): Wannan yana nuna yadda haske ke ƙaruwa tare da wutar lantarki, sau da yawa a cikin yanayin ƙasa da layi, yana nuna inganci a ƙananan wutar lantarki.Ƙarfin Wutar Gaba da Wutar Lantarki ta Gaba: Wannan lanƙwaran yana da mahimmanci don ƙirar da'irori masu iyakance wutar lantarki ko tuƙi na wutar lantarki akai-akai.Dangantakar Ƙarfin Hasken da Yanayin Zafin Muhalli: Wannan yana nuna raguwar zafi na fitarwa na haske, wanda ke da mahimmanci ga aikace-aikacen da ke da babban zafi.Rarraba Bakan: Jadawali da ke nuna ƙarfin da ya dace a tsawon raƙuman ruwa, wanda ya ta'allaka ne a kusa da matsakaicin tsayin raƙuman ruwa na 588 nm.

5. Bayanin Injiniya da Kunshin

An gabatar da na'urar tare da cikakken zanen girma na kunshin (duk girma a cikin milimita tare da daidaitaccen jurewa na ±0.25mm sai dai idan an lura). Wannan zanen yana da mahimmanci don ƙirar sawun PCB, yana tabbatar da dacewa da daidaitawa daidai. Nunin yana da tsayin lamba 0.56 inches (14.22 mm). Ana samar da shi a daidaitaccen tsarin lambobi biyu, daidaitaccen maki goma na hannun dama. Kunshin ya haɗa da fil 18 don haɗin lantarki.

5.1 Tsarin Fil da Gano Polarity

An bayar da teburin haɗin fil. LTD-5721AJS wani nau'in nunin ne naAnode Gama Gari. Wannan yana nufin cewa tashoshin anode na duk sassan a cikin lamba an haɗa su tare a ciki. Lambobi 1 da 2 suna da fil ɗin anode gama gari daban (Fil 14 da Fil 13, bi da bi). Kowane sashe (A har zuwa G, tare da Maki Goma) yana da nasa fil ɗin cathode. Don haskaka wani sashe, dole ne a haɗa cathode ɗinsa daidai zuwa ƙaramin wutar lantarki (ƙasa) yayin da aka riƙe anode gama gari na wannan lamba a babban wutar lantarki (wadata). An haɗa maki goma na hannun dama. Fil 1 an yi masa alama a sarari a matsayin \"Babu Haɗin\" (N.C.).

6. Jagororin Solder da Haɗawa

Yin bin ƙayyadaddun solder ya zama dole don hana lalacewa. Mahimmin siga shine matsakaicin yanayin zafin solder da aka yarda na 260°C na tsawon dakika 3, wanda aka auna 1.6mm ƙasa da matakin wurin zama. Wannan yana fassara zuwa daidaitaccen bayanin sake karkatarwa mara gubar tare da matsakaicin zafin jiki wanda mai yiwuwa bai wuce 250-255°C ba don samar da gefen aminci. Yakamata a kiyaye matakan kariya na ESD (Fitar da Wutar Lantarki ta Electrostatic) yayin sarrafawa. Don ajiya, yakamata a kiyaye ƙayyadadden kewayon -35°C zuwa +85°C a cikin yanayi mai bushewa.

7. Shawarwari na Aikace-aikace

7.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan nunin ya dace sosai don aikace-aikace iri-iri ciki har da:Kayan Aiki na Gwaji da Aunawa: Mitoci na lambobi masu yawa, oscilloscopes, ƙididdiga na mitar.Sarrafa Masana'antu: Nuna alamar tsari, nunin lokaci, karatun kwamfutocin sarrafawa.Na'urorin Lantarki na Masu Amfani: Nunin kayan aikin sauti, sarrafa kayan aiki.Na'urorin Lafiya: Saka idanu na hannu, kayan aikin bincike.Bayan Kasuwar Motoci: Ma'auni da kayan aiki.

7.2 Abubuwan da Ake Yi la'akari da su a Ƙira

Da'irar Tuƙi: Yi amfani da tuƙi na wutar lantarki akai-akai ko masu iyakance wutar lantarki da suka dace don kowane cathode na sashe. Lissafi dole ne ya yi la'akari da ƙarfin wutar lantarki ta gaba (VF) da wutar lantarki da ake so (IF). Don aiki mai ƙarancin wutar lantarki, tuƙi a 1-5mA kowane sashe yana yiwuwa kamar yadda takardar bayanin ta nuna.Haɗawa da Yawa: Tunda lambobi biyu suna da anode gama gari daban, ana iya haɗa su cikin sauƙi. Wannan ya haɗa da jeri-jeri kunna anode ɗaya na lamba a lokaci guda yayin gabatar da bayanan sashe na wannan lamba akan layukan cathode. Haɗawa da yawa yana rage adadin fil ɗin tuƙi da ake buƙata kuma yana iya rage yawan amfani da wutar lantarki.Kusurwar Kallo: Faɗin kusurwar kallo yana ba da damar ɗora panel cikin sassauci.Daidaitawar Hasken: Ƙayyade rarrabuwar ƙarfin haske idan daidaitaccen haske a cikin raka'a da yawa yana da mahimmanci ga aikace-aikace.

8. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tsofaffin fasahohi kamar daidaitattun LED na ja GaAsP, LTD-5721AJS na tushen AlInGaP yana ba da ingantaccen inganci na haske sosai, yana haifar da ƙarin haske a wutar lantarki iri ɗaya ko daidaitaccen haske a ƙananan wutar lantarki. Launin rawaya yana ba da kyakkyawan bambanci da bangon bango mai duhu kuma sau da yawa ana zaɓar shi don babban bayyanarsa. Ƙarfin ƙarancin wutar lantarki (har zuwa 1mA) shine babban abin banbancewa daga nunin da ke buƙatar manyan wutar lantarki, yana ba da damar tsawon rayuwar baturi a cikin na'urorin hannu. Rarrabuwa don ƙarfin haske yana ba da fa'ida a aikace-aikacen da ke buƙatar daidaiton gani akan nunin ba tare da irin wannan rarrabuwa ba.

9. Tambayoyin da Ake Yawan Yi (Dangane da Sigogin Fasaha)

Q: Zan iya tuƙa wannan nunin tare da microcontroller na 3.3V?A: Ee. Matsakaicin ƙarfin wutar lantarki ta gaba shine 2.6V. Lokacin amfani da resistor mai iyakance wutar lantarki na jeri, wadataccen 3.3V yana ba da isasshen sararin sama (3.3V - 2.6V = 0.7V) don sarrafa wutar lantarki cikin aminci.

Q: Menene manufar \"Matsakaicin Daidaitawar Ƙarfin Hasken\" na 2:1?A: Wannan rabo (Iv-m) yana nuna cewa a cikin na'ura guda, ƙarfin hasken kowane sashe ba zai zama ƙasa da rabin ƙarfin hasken mafi haske ba. Yana tabbatar da daidaito a cikin lamba ɗaya.

Q: Ta yaya zan haɗa wannan don nunin anode gama gari?A: Haɗa fil ɗin anode gama gari zuwa babban wutar lantarki ta wadata (ta hanyar transistor tuƙi idan ana haɗawa da yawa). Haɗa kowane fil ɗin cathode na sashe zuwa maɓuɓɓugar wutar lantarki (misali, fil ɗin I/O na microcontroller tare da isasshen ƙarfin wutar lantarki ko IC tuƙi) wanda ke ja shi ƙasa don kunna sashe.

10. Misalin Ƙira na Aiki

Yi la'akari da ƙirar ƙirar ƙididdiga mai lambobi biyu mai sauƙi wanda ke amfani da wadataccen 5V kuma microcontroller ke sarrafa shi. Fil ɗin I/O na microcontroller ba zai iya samar da/ja isasshen wutar lantarki don LED ba. Saboda haka, za a yi amfani da IC tuƙi kamar mai rikodin motsi na 74HC595 ko tuƙi na LED na musamman (misali, MAX7219) don ja wutar lantarki don cathodes. Za a yi amfani da transistors NPN guda biyu (misali, 2N3904) don canza wadataccen 5V zuwa anode gama gari (Lambobi 1 & 2) ƙarƙashin sarrafawar microcontroller don haɗawa da yawa. Za a sanya masu iyakance wutar lantarki akan layukan cathode. Ana ƙididdige ƙimar resistor (R) ta amfani da Dokar Ohm: R = (Vcc - VF - Vce_sat) / IF. Da'awar Vcc=5V, VF=2.2V (na yau da kullun), Vce_sat na tuƙi ~0.2V, da kuma wutar lantarki da ake so IF=5mA: R = (5 - 2.2 - 0.2) / 0.005 = 520 Ohms. Daidaitaccen resistor na 510 ko 560 Ohm zai dace. Firmware ɗin microcontroller zai canza tsakanin kunna Lamba 1 da Lamba 2 a cikin sauri (misali, 100Hz kowanne) yayin da ake sabunta bayanan sashe a lokaci guda, yana haifar da tunanin cewa duka lambobi suna haskakawa akai-akai.

11. Gabatarwa da Ka'idar Fasaha

Guntun LED ɗin a cikin wannan nunin an ƙera su ne daga AlInGaP (Aluminium Indium Gallium Phosphide) wanda aka girma akan wani abu na Gallium Arsenide (GaAs) marar bayyanawa. Lokacin da aka yi amfani da ƙarfin wutar lantarki ta gaba a kan haɗin p-n, ana shigar da electrons da ramuka cikin yankin aiki inda suke sake haɗuwa. A cikin AlInGaP, wannan sake haɗuwa yana sakin makamashi da farko a cikin nau'in photons a cikin bakan rawaya-lemu-ja (kusan 587-590 nm don rawaya). Abun da ba a bayyana ba yana taimakawa jagorantar ƙarin hasken da aka samar daga saman guntu, yana inganta ingancin adadi na waje idan aka kwatanta da wasu tsofaffin ƙira. An ƙirƙiri tsarin sassa bakwai ta hanyar sanya irin waɗannan guntu na LED da yawa (ko guntu guda ɗaya tare da haɗin lantarki da yawa) a cikin tsari na sanduna bakwai (sassa) da maki goma. Ta hanyar zaɓin ƙarfafa waɗannan sassan, ana iya samar da haruffan lambobi (0-9) da wasu haruffa.

12. Trends na Fasaha

Duk da yake AlInGaP ya kasance babbar fasaha don ingantaccen LED ja, lemu, da rawaya, faɗin yanayin fasahar nunin yana ci gaba. Don aikace-aikacen sassa bakwai, yanayin yana ci gaba zuwa ga ƙananan wutar lantarki da ƙarfin wutar lantarki don tallafawa na'urorin IoT da na sawa masu ƙarancin wutar lantarki. Har ila yau, akwai motsi zuwa ga haɗin kai mafi girma, tare da nunin da ke haɗa IC tuƙi kuma wani lokacin microcontroller a cikin kunshin ɗaya, yana sauƙaƙa ƙira. Dangane da kayan, yayin da AlInGaP ya balaga, bincike a cikin perovskite LEDs da sauran sabbin semiconductor na iya ba da madadin gaba. Koyaya, don aikace-aikacen nuni da lambobi na yau da kullun waɗanda ke buƙatar aminci, takamaiman wuraren launi, da ingancin farashi, ana sa ran nunin na tushen AlInGaP kamar LTD-5721AJS za su ci gaba da zama ruwan dare a nan gaba.