Takardar Bayanin LED LTC-5836KR-07 - Tsayin Lamba 0.52-inch - Launi Super Red - Ƙarfin Lantarki na Gaba 2.6V - Ragewar Wutar Lantarki 70mW - Takardar Fasaha ta Hausa

1. Bayanin Samfur

LTC-5836KR-07 wani babban aiki ne, nuni na LED mai lamba uku, bakwai-bakwai. Babban aikinsa shine samar da karatu mai haske da bayyananne na lambobi a cikin nau'ikan na'urorin lantarki da kayan aiki. Babban fa'idar wannan na'urar yana cikin amfani da fasahar semiconductor na AS-AlInGaP (Aluminum Indium Gallium Phosphide) da aka girma akan tushen GaAs, wanda ke ba da ingantaccen ingancin haske da tsaftar launi a cikin bakan ja. Wannan yana haifar da daidaiton sashi mai kyau, haske mai girma, da bambanci mai girma, wanda ke sa nuni ya zama mai sauƙin karantawa ko da a cikin yanayin haske mai kalubale. An ƙera na'urar tare da tsarin anode gama gari kuma tana da fuskar launin toka tare da sassan fari, wanda ke ƙara haɓaka bambanci da kyan gani. An tsara shi don ƙarfin haske don tabbatar da aiki iri ɗaya a cikin raka'a, yana nufin aikace-aikacen da ke buƙatar nuni mai ƙarfi na lambobi kamar na'urorin sarrafa masana'antu, kayan gwaji, kayan amfani na mabukaci, da dashbodin motoci inda ƙarancin wutar lantarki, faɗin kusurwar kallo, da dogon aminci suke da muhimmanci.

2. Bincike Mai zurfi na Sigogi na Fasaha

2.1 Halayen Hoto da na Gani

Aikin gani shine tsakiyar aikin wannan nunin. A daidaitaccen gwajin na'urar na 1mA, matsakaicin ƙarfin haske kowane sashi ya bambanta daga mafi ƙanƙanta na 320 µcd zuwa ƙimar al'ada na 1050 µcd. Wannan matakin haske mai girma yana tabbatar da kyakkyawan gani. Na'urar tana fitar da haske a yankin Super Red, tare da mafi girman tsayin fitarwa (λp) na 639 nm da babban tsayin raƙuman ruwa (λd) na 631 nm lokacin da aka tuƙa shi da 20mA. Rabin faɗin layin bakan (Δλ) shine 20 nm, yana nuna ƙunƙuntaccen fitarwar launi mai tsafta. Babban ma'auni don nunin sassa da yawa shine ma'aunin daidaitawar ƙarfin haske, wanda aka ƙayyade a matsakaicin 2:1. Wannan yana nufin bambancin haske tsakanin mafi haske da mafi duhu sashi a ƙarƙashin yanayi iri ɗaya ba zai wuce sau biyu ba, yana tabbatar da kamanni iri ɗaya a duk lambobi da sassa.

2.2 Sigogi na Lantarki

Halayen lantarki suna ayyana iyakokin aiki da buƙatun wutar lantarki. Ƙarfin lantarki na gaba (VF) kowane sashi yawanci 2.6V ne tare da matsakaicin 2.6V lokacin da aka yi amfani da ƙarfin lantarki na gaba (IF) na 20mA. Ƙarfin lantarki na baya (IR) yana da ƙasa sosai, tare da matsakaicin 100 µA a ƙarfin lantarki na baya (VR) na 5V, yana nuna kyawawan halayen diode. Matsakaicin iyakokin ma'auni suna saita iyakokin aiki: ci gaba da ƙarfin lantarki na gaba kowane sashi shine 25 mA a 25°C, yana raguwa a layi daya da 0.28 mA/°C yayin da zafin jiki ke ƙaruwa. Matsakaicin ƙarfin lantarki na gaba zai iya kaiwa 90 mA a ƙarƙashin yanayin bugun jini (1 kHz, 10% aikin haɗari). Matsakaicin raguwar wutar lantarki kowane sashi shine 70 mW. Yankunan aiki da adana zafin jiki an ƙayyade daga -35°C zuwa +105°C, yana nuna ƙarfinsa don yanayin masana'antu.

2.3 Halayen Zafi

Duk da ba a bayyana dalla-dalla tare da sigogin juriyar zafi ba, ana nuna sarrafa zafin na'urar ta hanyar ƙayyadaddun ƙayyadaddun sa. Ragewar layi na ci gaba da ƙarfin lantarki na gaba daga 25°C (0.28 mA/°C) shiri ne kai tsaye don ƙirar zafi. Wucewa mafi girman zafin haɗuwa, wanda ke da alaƙa da waɗannan ƙimar, na iya haifar da lalacewa cikin sauri ko gazawa. Ƙayyadaddun iyakar zafin solder na 260°C na matsakaicin dakika 3 yayin haɗawa wani muhimmin la'akari ne na zafi don hana lalata guntu LED ko amincin fakitin.

3. Bayanin Tsarin Rarraba

Takardar bayanan ta bayyana a sarari cewa na'urar "AN RARRA TA DON ƘARFIN HASKE." Wannan tsari ne na sarrafa inganci da rarrabawa. Yayin masana'antu, ƙananan bambance-bambance a cikin girma da sarrafa guntu suna haifar da bambance-bambance a cikin fitarwar haske na kowane sashi na LED. Tsarin rarrabawa ya haɗa da auna ƙarfin haske na kowane raka'a a ƙayyadadden gwajin na'urar (yawanci 1mA ko 20mA) da rarraba su zuwa takamaiman iyakoki na ƙarfi ko "kwantena." Ta hanyar siyan na'urori daga kwanti ɗaya ko ƙayyadadden kwanti, masu ƙira suna tabbatar da cewa duk lambobi a cikin nunin lambobi da yawa suna da haske kusan iri ɗaya, suna kiyaye kamanni iri ɗaya da na ƙwararru. Takardar bayanan tana ba da kewayon ƙarfi (Mafi ƙanƙanta 320 µcd, Na al'ada 1050 µcd), wanda ke ayyana yuwuwar kwantena da ake samu.

4. Bincike na Lanƙwasa Aiki

Takardar bayanan tana nuni zuwa "LANƙWASAN HALAYEN LANTARKI / GANI NA AL'ADA" a shafi na ƙarshe. Ko da yake ba a ba da takamaiman jadawali a cikin rubutun ba, daidaitattun lanƙwasa don irin waɗannan na'urori galibi sun haɗa da:Ƙarfin Lantarki na Gaba vs. Ƙarfin Lantarki na Gaba (Lanƙwasa I-V): Wannan jadawalin yana nuna alaƙar ma'auni, yana taimaka wa masu ƙira zaɓar masu hana na'urar da suka dace.Ƙarfin Hasken vs. Ƙarfin Lantarki na Gaba (Lanƙwasa I-L): Wannan yana nuna yadda fitarwar haske ke ƙaruwa tare da ƙarfin lantarki, sau da yawa yana zama ƙasa da layi a manyan ƙarfin lantarki saboda tasirin zafi.Ƙarfin Hasken vs. Yanayin Yanayi: Wannan lanƙwasa yana nuna raguwar fitarwar haske yayin da zafin haɗuwa ke tashi, wanda ke da mahimmanci ga aikace-aikacen da ke aiki a cikin faɗin kewayon zafin jiki.Rarraba Ƙarfin Bakan Dangin: Jadawali da ke nuna ƙarfin hasken da aka fitar a cikin tsayin raƙuman ruwa, wanda ya ta'allaka a kusa da kololuwar 639 nm, yana tabbatar da tsaftar launi.

5. Bayanin Injiniya da Fakitin

Na'urar tana da daidaitaccen tsarin fakitin biyu a cikin layi (DIP) wanda ya dace da hawan PCB ta hanyar rami. An ba da girman fakitin a cikin milimita tare da jurewar gabaɗaya na ±0.25 mm. Tsayin lamba shine mahimmin ƙayyadaddun injiniya, wanda aka bayyana a matsayin 0.52 inches (13.2 mm). Jadawalin haɗin fil yana da mahimmanci don shimfidar PCB. Na'urar ce mai fil 30 tare da tsari na musamman don lambobi uku na anode gama gari. Jadawalin da'irar ciki yana nuna cewa kowane lamba tsarin anode gama gari ne, ma'ana duk anodes na sassan (A-G, DP) na lamba ɗaya an haɗa su a ciki zuwa fil gama gari ɗaya. An fitar da cathodes na kowane sashi zuwa fil ɗin mutum ɗaya. Wannan tsari yawanci ana tuƙa shi ta hanyar haɗawa, inda anode gama gari na kowane lamba ke samun wutar lantarki a jere cikin sauri, yayin da ake kafa cathodes na sassan da suka dace don haskaka tsarin da ake so.

6. Jagororin Solder da Haɗawa

Takardar bayanan tana ba da mahimmin ma'auni don tsarin haɗawa: matsakaicin zafin solder da aka yarda. Ta ƙayyade cewa na'urar za ta iya jure kololuwar zafin jiki na 260°C na matsakaicin tsawon dakika 3, wanda aka auna a wuri 1.6 mm (1/16 inch) ƙasa da matakin wurin zama na fakitin. Wannan jagora ce ta al'ada don solder igiyar ruwa ko solder hannu na abubuwan rami. Wucewa wannan lokacin-zafin jiki na iya haifar da damuwa na zafi akan fakitin epoxy, mai yuwuwar haifar da fashewa, rabuwa, ko lalata haɗin waya na ciki da mutuwar semiconductor. Kulawa daidai don guje wa fitar da lantarki mai tsauri (ESD) kuma ana nuna shi, kamar yadda LED gabaɗaya ke da hankali ga ƙaruwar ƙarfin lantarki.

7. Bayanin Fakitin da Oda

Babban lambar oda shineLTC-5836KR-07. Za a iya fayyace rarrabuwar lambar sashi: 'LTC' mai yiwuwa yana nuna dangin samfur, '5836' shine takamaiman samfurin, 'K' na iya nuna launi (Super Red), 'R' na iya nuna wurin maki goma na hannun dama, kuma '-07' na iya zama lambar bita ko bambance-bambance. Yawanci ana samar da na'urar a cikin bututun anti-static ko trays don kare fil ɗin da hana lalacewar ESD yayin jigilar kaya da sarrafawa. Fakitin zai haɗa da alamun da ke ƙayyade lambar sashi, adadi, lambar kuri'a, da yuwuwar lambar kwanti na ƙarfin haske.

8. Shawarwarin Aikace-aikace

Yanayin Aikace-aikacen Al'ada:Wannan nunin ya dace da kowane aikace-aikacen da ke buƙatar karatu mai tsabta, lambobi da yawa. Wannan ya haɗa da mitar lambobi da yawa, mitar mitoci, lokutan tsari, ma'auni, gungu na kayan aikin mota (misali, agogo, odometer), na'urorin likita, da kayan amfani na gida kamar tanda ko microwave. Faɗin kewayon zafin aiki yana sa ya dace da yanayin masana'antu.

La'akari da Ƙira: 1. Da'irar Tuƙi:Yi amfani da da'irar tuƙi mai haɗawa don sarrafa lambobi uku yadda ya kamata. Wannan yana buƙatar fil ɗin GPIO na microcontroller ko takamaiman na'urar tuƙi nunin (kamar MAX7219 ko HT16K33) mai iya nutsewa cikin ƙarfin sashi da samar da ƙarfin lamba. 2.Iyakancewar Ƙarfin Lantarki:Masu hana na'urar na waje wajibi ne ga kowane cathode sashi (ko haɗa su cikin direba) don saita ƙarfin lantarki na gaba da ake so (misali, 10-20 mA don cikakken haske). Ana ƙididdige ƙimar resistor ta amfani da R = (Vcc - VF) / IF. 3.Ragewar Wutar Lantarki:Tabbatar da lissafin wutar lantarki kowane sashi (VF * IF) bai wuce 70 mW ba, musamman a manyan yanayin zafi. 4.Kusurwar Kallo:Faɗin kusurwar kallo yana ba da damar sanya matsayi mai sassauƙa, amma ana samun mafi kyawun bambanci lokacin da aka duba kai tsaye.

9. Kwatancen Fasaha da Bambance-bambance

Babban fa'idar bambance-bambance na LTC-5836KR-07 shine amfani da shi naFasahar AlInGaP (Aluminum Indium Gallium Phosphide)don fitarwar ja. Idan aka kwatanta da tsofaffin fasahohi kamar daidaitattun LED ja na GaAsP (Gallium Arsenide Phosphide), AlInGaP yana ba da ingantaccen ingancin haske sosai. Wannan yana nufin yana samar da ƙarin haske (haske mafi girma) don adadin ƙarfin lantarki iri ɗaya, ko kuma yana iya cimma irin wannan haske a ƙaramin ƙarfin lantarki, wanda ke haifar da raguwar amfani da wutar lantarki da ƙarancin samar da zafi. Bugu da ƙari, LED na AlInGaP gabaɗaya suna da mafi kyawun riƙon aiki a manyan yanayin zafi kuma suna ba da mafi kyawun jikewa da tsaftar launi, wanda ke haifar da launin ja mai rai da daidaito. Ƙirar fuskar toka/sashi fari wani fasali ne wanda ke haɓaka bambanci idan aka kwatanta da nunin da ke da fuskoki baƙi ko sassa masu watsewa.

10. Tambayoyin da ake yawan yi (Dangane da Sigogi na Fasaha)

Q: Menene manufar rarrabawar ƙarfin haske?

A: Rarrabawa yana tabbatar da daidaiton gani a duk sassa da lambobi a cikin nunin raka'a da yawa. Ba tare da rarrabawa ba, lamba ɗaya na iya bayyana a fili mafi haske ko duhu fiye da maƙwabtanta, wanda ke jan hankalin gani kuma ba ƙwararru ba.

Q: Ta yaya zan tuƙi wannan nunin lamba uku tare da microcontroller wanda ke da ƙayyadaddun fil?

A: Dole ne ku yi amfani da haɗawa. Microcontroller zai buƙaci aƙalla fil ɗin I/O 11 (sassa 7 + maki goma + 3 na gama gari na lamba) idan an tuƙa shi kai tsaye, amma ya fi dacewa a yi amfani da takamaiman na'urar tuƙi LED mai haɗin kai. Wannan IC ɗin yana sarrafa haɗawa da sarrafa ƙarfin lantarki, yana buƙatar fil ɗin 2-3 kawai daga microcontroller (misali, SPI ko I2C).

Q: Me yasa ake rage ƙarfin lantarki na gaba tare da zafin jiki?

A> Yayin da zafin haɗuwa na LED ke ƙaruwa, ikonsa na rage zafi yana raguwa. Don hana zafin haɗuwa ya wuce matsakaicin iyakarsa ta aminci (wanda zai haifar da gazawa cikin sauri), dole ne a rage matsakaicin ƙarfin lantarki na ci gaba da aka yarda. Factor ɗin ragewa (0.28 mA/°C) yana ba da jagora don wannan raguwa.

Q: Zan iya amfani da wannan nunin a aikace-aikacen waje?

A: Kewayon zafin aiki (-35°C zuwa +105°C) yana nuna zai iya ɗaukar mawuyacin yanayi. Duk da haka, don amfani da waje kai tsaye, yi la'akari da ƙarin abubuwan da ba a rufe su a cikin takardar bayanan ba: fakitin ba shi da ruwa a cikin sa, kuma tsawaita bayyanar hasken rana na UV na iya lalata epoxy na filastik bayan lokaci, mai yuwuwar haifar da canza launi. Kariya ko rufi mai daidaitawa zai zama mai kyau.

11. Ƙirar Aiki da Amfani da Aiki

Harka: Ƙirar Karatun Wutar Lantarki na Benci na Lamba

Mai ƙira yana gina wutar lantarki mai canzawa na benci kuma yana buƙatar nunin ƙarfin lantarki mai tsabta, lamba 3 (misali, 0.0V zuwa 30.0V). An zaɓi LTC-5836KR-07 saboda haskensa, karantawa, da maki goma na hannun dama (cikakke don nuna kashi goma na volt). Ƙirar tana amfani da microcontroller tare da ADC don auna ƙarfin fitarwa. Microcomputer yana sadarwa ta hanyar I2C tare da guntu direban LED. Guntu direban yana sarrafa haɗawar lambobi uku: yana zagayawa da wutar lantarki zuwa anode gama gari na Lamba 1, Lamba 2, da Lamba 3 cikin sauri. A lokaci guda, yana kafa cathodes na sassan da ake buƙatar haskakawa don lambar da ake samar da wutar lantarki a halin yanzu. An saita ƙimar sabunta yadda ya kamata (misali, >100 Hz) don kawar da flicker da ake iya gani. An sanya masu hana na'urar a kan fitarwar sassan direba don saita ƙarfin lantarki na gaba zuwa 15 mA kowane sashi, yana ba da daidaitaccen ma'auni na haske da amfani da wutar lantarki. Fuskar toka tana ba da kyakkyawan bambanci a kan panel ɗin ƙarfe na wutar lantarki.

12. Gabatarwar Ka'idar Fasaha

Tushen ka'idar aiki ya dogara ne akan electroluminescence a cikin haɗuwar p-n semiconductor. An ƙera yadudduka na AlInGaP don samun takamaiman ƙarfin bandgap. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce kofa na haɗuwa (kusan 2.0V), electrons daga yankin n da ramuka daga yankin p ana shigar da su a kan haɗuwa. Lokacin da waɗannan masu ɗaukar caji suka sake haɗuwa a yankin aiki, suna sakin makamashi a cikin nau'in photons (haske). Tsayin raƙuman ruwa (launi) na wannan haske an ƙaddara shi kai tsaye ta ƙarfin bandgap na kayan AlInGaP, wanda aka kunna don samar da hasken ja a kusa da 639 nm. Tsarin bakwai-bakwai tsari ne na daidaitaccen tsari inda za a iya haskaka sassan LED ɗaya ɗaya (mai lakabin A zuwa G) don samar da kowane lambar lamba daga 0 zuwa 9. Tsarin anode gama gari yana sauƙaƙa da'irar tuƙi don nunin da aka haɗa.

13. Trends na Fasaha da Ci gaba

Yayin da rabuwar nunin LED bakwai-bakwai ke ci gaba da kasancewa masu dacewa ga takamaiman aikace-aikace, babban yanayin fasahar nunin yana motsawa zuwa mafita masu haɗaka. Waɗannan sun haɗa da:Nuni na Matrix-Dot da Lambobi:Bada ƙarin sassauci don nuna haruffa, alamomi, da haruffa na al'ada.Nuni na OLED da Micro-LED:Samar da mafi girman ƙuduri, mafi kyawun bambanci, da siffofi masu sirara, ko da yake sau da yawa a farashi mafi girma kuma tare da buƙatun tuƙi daban-daban.Nuni na Direba Masu Haɗaka:Modules waɗanda ke haɗa jerin LED tare da mai sarrafa/direba IC akan PCB ɗaya, suna sauƙaƙa ƙirar mu'amala (sau da yawa kawai haɗin kai). Don takamaiman kusurwar haske mai girma, ƙarfi, da sauƙaƙan karatun lambobi, nunin na tushen AlInGaP kamar LTC-5836KR-07 suna ci gaba da ba da mafi kyawun ma'auni na aiki, aminci, da farashi. Ci gaban gaba na iya mayar da hankali kan ma fi girma inganci, faɗin kewayon zafin jiki, da madadin fakitin hawan saman zuwa ƙirar rami.