LTS-3861JE LED Display Datasheet - Tsawon Lamba 0.3-inch - AlInGaP Ja - 2.6V Farashin Gaba - Takardun Fasaha na Hausa

1. Bayanin Samfur

LTS-3861JE wani ingantaccen na'ura ne na nuni na lamba daya mai sassa bakwai, wanda aka tsara don aikace-aikacen da ke buƙatar karanta lambobi a sarari. Babban abin da ya ƙunshi shi ne kayan semiconductor na Aluminium Indium Gallium Phosphide (AlInGaP), wanda ke haifar da haske ja mai haske. Na'urar tana da fuska mai launin toka mai haske tare da alamun sassa fari, wanda ke ba da bambanci mai kyau don ingantaccen karatu. Tare da tsawon lamba na 0.3 inches (7.62 mm), tana ba da madaidaicin mafita na nuni wanda ya dace da kayan lantarki iri-iri.

1.1 Fa'idodi na Cibiyar da Kasuwar Manufa

An ƙera wannan nunin don aminci da inganci. Manyan fa'idodi sun haɗa da ƙarancin amfani da wutar lantarki, fitar da haske mai ƙarfi, da faɗin kusurwar kallo, wanda ke tabbatar da aiki iri ɗaya daga kusurwoyi daban-daban. Tana amfani da fasahar LED mai ƙarfi, wanda ke ba da tsawon rayuwa da juriya ga girgiza fiye da tsofaffin fasahohin nuni kamar na'urorin haske ko na'urorin haske na filasha. An rarraba na'urar don ƙarfin haske, wanda ke ba da damar daidaita haske a cikin aikace-aikacen lambobi da yawa. Manyan kasuwanninta sun haɗa da kayan sarrafa masana'antu, kayan aikin gwaji da aunawa, kayan amfani na mabukaci, da kayan aikin da ake buƙatar nuna lambobi a sarari kuma amintacce.

2. Zurfafa Bayanin Sigogi na Fasaha

Aikin LTS-3861JE an ayyana shi ta hanyar saiti na sigogi na lantarki da na gani da aka auna a ƙarƙashin daidaitattun yanayi (Ta=25°C). Fahimtar waɗannan sigogi yana da mahimmanci don ƙirar da'ira daidai da kuma tabbatar da aminci na dogon lokaci.

2.1 Iyakar Ma'auni Mafi Girma

Waɗannan ma'auni suna ayyana iyakokin damuwa waɗanda za su iya haifar da lalacewa na dindindin ga na'urar. Ba a nufin su don aiki na yau da kullun ba.

• Rushewar Wutar Lantarki a kowane Sashi:70 mW. Wannan shi ne iyakar wutar lantarki da za a iya rushe ta lafiya ta hanyar sashin haske guda ɗaya.
• Matsakaicin Halin Gaba a kowane Sashi:90 mA. Wannan shi ne matsakaicin halin da aka yarda da shi, yawanci ana ƙayyade shi a ƙarƙashin yanayi kamar aikin 1/10 da faɗin bugun jini na 0.1 ms, ana amfani da shi don haɗawa ko tuƙi na ɗan lokaci.
• Ci gaba da Halin Gaba a kowane Sashi:25 mA a 25°C. Wannan halin yana raguwa a layi daya a cikin adadin 0.28 mA/°C yayin da yanayin yanayi ya ƙaru sama da 25°C.
• Karfinsa Baya a kowane Sashi:5 V. Wuce gona da iri wannan ƙarfin lantarki a cikin baya zai iya lalata haɗin LED.
• Yanayin Aiki & Ajiya:-35°C zuwa +105°C.
• Zafin Solder:Matsakaicin 260°C na matsakaicin dakika 3, an auna shi 1.6mm (1/16 inch) a ƙasan matakin zaune na kayan.

2.2 Halaye na Lantarki & Na Gani

Waɗannan su ne sigogi na aiki na yau da kullun a ƙarƙashin yanayin aiki na al'ada.

• Matsakaicin Ƙarfin Hasken (I_V):Ya bambanta daga 320 μcd (m) zuwa 800 μcd (na al'ada) a halin gaba (I_F) na 1 mA. Wannan yana auna hasken da idon mutum ya gani.
• Matsakaicin Tsawon Tsawon Tsawon (λ_p):Yawanci 632 nm a I_F=20mA. Wannan shi ne tsawon raƙuman da fitowar wutar lantarki ta gani ta fi girma.
• Matsakaicin Tsawon Tsawon (λ_d):Yawanci 624 nm a I_F=20mA. Wannan shi ne tsawon raƙuman raƙuman da idon mutum ya gani, wanda ke ayyana launi.
• Rabin Faɗin Layin Bakan (Δλ):Yawanci 20 nm. Wannan yana nuna tsaftar bakan ko faɗin bandejin hasken da aka fitar.
• Karfinsa Gaba a kowane Sashi (V_F):Yawanci 2.6 V (matsakaicin 2.6V) a I_F=20mA. Wannan shi ne raguwar ƙarfin lantarki a kan LED lokacin da yake gudana.
• Halin Baya a kowane Sashi (I_R):Matsakaicin 100 μA a ƙarfin lantarki na baya (V_R) na 5V.
• Matsakaicin Daidaitawar Ƙarfin Hasken (I_V-m):Matsakaicin 2:1. Wannan yana ƙayyade matsakaicin bambancin haske da aka yarda tsakanin sassa daban-daban na na'ura ɗaya a I_F=1mA, yana tabbatar da kamanni iri ɗaya.

3. Bayanin Tsarin Rarraba

LTS-3861JE yana amfani da tsarin rarrabawa don ƙarfin haske. Wannan yana nufin ana gwada na'urori kuma ana rarraba su zuwa takamaiman kwandon bisa ga fitowar hasken da aka auna a daidaitaccen gwajin gwaji (yawanci 1mA ko 20mA). Wannan yana ba masu ƙira damar zaɓar nunin tare da matakan haske iri ɗaya, wanda ke da mahimmanci ga nunin lambobi da yawa inda haske mara daidaituwa zai iya zama abin damuwa a gani. Duk da yake ba a yi cikakken bayani game da lambobin kwandon a cikin wannan takardar ba, aikin yana tabbatar da cewa duk sassan da ke cikin nuni da kuma a cikin nunin da yawa a cikin tsarin suna da aiki mai kama da juna.

4. Bincike na Lanƙwasa Aiki

Takardar bayanan tana nuni zuwa lanƙwasa halaye na lantarki/na gani na al'ada. Waɗannan jadawali suna da mahimmanci don fahimtar halayen na'urar fiye da bayanan maki ɗaya a cikin tebur.

4.1 Halin Gaba da Ƙarfin Gaba (Lanƙwasa I-V)

Wannan lanƙwasa tana nuna alaƙa tsakanin halin da ke gudana ta LED da ƙarfin lantarki a cikinta. Ba ta da layi, tana nuna ƙarfin lantarki na bakin kofa (kusan 2V don AlInGaP ja) wanda ƙasa da shi ƙaramin halin yana gudana. Sama da wannan bakin kofa, halin yana ƙaruwa da sauri tare da ƙaramin ƙarfin lantarki. Wannan halayen yana buƙatar amfani da resistor mai iyakance halin ko direba mai ci gaba da halin a jere tare da LED don hana guduwar zafi da lalacewa.

4.2 Ƙarfin Hasken da Halin Gaba

Wannan jadawali yana kwatanta yadda fitowar haske (a cikin millicandelas ko microcandelas) ke bambanta da halin tuƙi. Gabaɗaya, ƙarfin haske yana ƙaruwa tare da halin, amma alaƙar bazata zama daidai ba, musamman a manyan halaye inda inganci zai iya raguwa saboda tasirin dumama.

4.3 Dogaro da Zafin Jiki

Duk da yake ba a kwatanta shi a fili a nan ba, raguwar ci gaba da halin gaba (0.28 mA/°C) yana nuna dogaro mai ƙarfi da zafin jiki. Ƙarfin gaba na LED yawanci yana raguwa tare da ƙaruwar zafin jiki, yayin da ingancin haske shima yana raguwa. Gudanar da zafi mai kyau a cikin aikace-aikace yana da mahimmanci don kiyaye aiki da tsawon rai.

5. Bayanin Injiniya & Fakitin

5.1 Girman Fakitin

LTS-3861JE yana zuwa a cikin daidaitaccen fakitin lamba daya mai ƙafa 10. Duk mahimman girma kamar tsayin gabaɗaya, faɗi, girman taga lamba, da tazarar ƙafa an ba da su a cikin zane mai cikakken bayani. Tolerances na waɗannan girma yawanci ±0.25 mm (0.01 inch) sai dai idan an ƙayyade su. Wannan bayanin yana da mahimmanci don ƙirar sawun PCB da kuma tabbatar da dacewa daidai a cikin akwatin ƙarshe na samfurin.

5.2 Haɗin Ƙafa da Polarity

Na'urar tana da tsarin anode gama gari. Wannan yana nufin anodes (tashoshi masu kyau) na duk sassan LED an haɗa su a ciki zuwa ƙafafun gama gari (Ƙafa 1 da Ƙafa 6). Cathodes (tashoshi marasa kyau) na kowane sashi (A, B, C, D, E, F, G, da Decimal Point DP) an fitar da su zuwa ƙafafun mutum ɗaya (Ƙafafu 2, 3, 4, 5, 7, 8, 9, 10). Don haskaka wani sashi, dole ne a haɗa ƙafar anode gama gari zuwa tushen ƙarfin lantarki mafi girma fiye da ƙarfin gaba na LED, kuma dole ne a haɗa ƙafar cathode daidai zuwa ƙasa (ko ƙaramin ƙarfin lantarki) ta hanyar resistor mai iyakance halin.

5.3 Zanen Da'ira na Ciki

Takardar bayanan ta haɗa da zanen da'ira na ciki wanda ke tabbatar da gine-ginen anode gama gari a gani. Yana nuna haɗin kai na ƙafafu goma zuwa anodes da cathodes na manyan sassa bakwai (A-G) da ma'anar goma (DP). Wannan zane babban ma'ana ne don magance matsala da fahimtar shimfidar lantarki.

6. Jagororin Solder & Taro

An bayyana iyakar ma'auni mafi girma don solder a sarari: matsakaicin zafin jiki na 260°C na matsakaicin tsawon dakika 3, an auna shi a wuri 1.6mm ƙasa da jikin fakitin. Wannan ya dace da daidaitattun bayanan sake kunnawa na maras gubar. Yana da mahimmanci a bi waɗannan iyakokin don hana lalata guntuwar LED na ciki, haɗin waya, ko kayan fakitin filastik. Tsawaita bayyanar da zafi mai zafi na iya haifar da rawaya na ruwan tabarau, rabuwa, ko ƙara ƙarfin gaba. Ana ba da shawarar yanayin ajiya a cikin ƙayyadadden kewayon zafin jiki na -35°C zuwa +105°C a cikin yanayi mai bushewa don hana shan danshi.

7. Shawarwarin Aikace-aikace

7.1 Da'irorin Aikace-aikace na Al'ada

Mafi yawan hanyar tuƙi don nunin anode gama gari kamar LTS-3861JE shine haɗawa, musamman lokacin da ake amfani da lambobi da yawa. Microcontroller yana aiki da anode gama gari na kowane lamba yayin da yake fitar da tsarin sashi na wannan lamba akan layukan cathode. Wannan yana rage adadin ƙafafun I/O da ake buƙata sosai. Kowane layin cathode dole ne ya sami resistor mai iyakance halin na jere. Ana ƙididdige ƙimar resistor ta amfani da dabara: R = (V_wadata- V_F) / I_F, inda V_Fshine ƙarfin gaba na LED (misali, 2.6V) kuma I_Fshine halin gaba da ake so (misali, 10-20 mA).

7.2 Abubuwan Tunani na Ƙira

• Iyakance Halin:Koyaushe yi amfani da resistor mai iyakance halin ko direba mai ci gaba da halin. Haɗa LED kai tsaye zuwa tushen ƙarfin lantarki zai haifar da wuce gona da iri na halin da gazawar nan take.
• Rushewar Zafi:Duk da yake rushewar wutar lantarki yana da ƙasa a kowane sashi, a cikin aikace-aikacen da aka haɗa tare da manyan halaye na kololuwa, tabbatar da cewa an mutunta matsakaicin wutar lantarki da raguwar zafin jiki.
• Kusurwar Kallo:Faɗin kusurwar kallo yana da fa'ida amma yi la'akari da babban jagorar kallo yayin ƙirar injiniya don haɓaka bambanci da karatu.
• Kariya ta ESD:LEDs na AlInGaP na iya zama masu hankali ga fitar da lantarki na electrostatic (ESD). Aiwatar da matakan kulawa na ESD na al'ada yayin haɗawa.

8. Kwatancen Fasaha

Idan aka kwatanta da tsofaffin fasahohin LED ja kamar Gallium Arsenide Phosphide (GaAsP), AlInGaP yana ba da ingancin haske mai girma sosai, yana haifar da nunin mai haske a halin ɗaya, ko kuma haske iri ɗaya a ƙaramin wutar lantarki. Hakanan yana ba da mafi kyawun tsaftar launi (ja mai cika) da kwanciyar hankali akan zafin jiki da lokaci. Idan aka kwatanta da nunin haske na gefe ko matrix ɗin ɗigo, tsarin sassa bakwai an inganta shi don nunin lambobi da ƙayyadaddun haruffa tare da ƙarancin rikitarwa na direba.

9. Tambayoyin da ake yawan yi (Bisa Sigogi na Fasaha)

Q: Menene manufar ƙafafun anode gama gari biyu (Ƙafa 1 da Ƙafa 6)?

A: An haɗa su a ciki. Samun ƙafafu biyu yana taimakawa rarraba jimillar halin anode (wanda zai iya zama jimillar halaye don sassa masu haske da yawa) kuma yana inganta kwanciyar hankali na injiniya akan PCB.

Q: Zan iya tuƙa wannan nunin tare da microcontroller 3.3V ba tare da mai canza matakin ba?

A: Mai yiwuwa, amma dole ne ku duba ƙarfin gaba. Tare da V na al'ada_Fna 2.6V, raguwar ƙarfin lantarki akan resistor mai iyakance halin zai zama 0.7V kawai (3.3V - 2.6V). Don halin 10mA, wannan yana buƙatar ƙaramin resistor (70 ohms). Ƙananan bambance-bambance a cikin V_Fko wadataccen ƙarfin lantarki na iya haifar da manyan canje-canje a cikin halin. Wadata 5V ya fi na al'ada kuma yana ba da mafi kyawun sarari don sarrafa halin kwanciyar hankali.

Q: Menene ma'anar \"an rarraba don ƙarfin haske\" ga ƙirar ta?

A: Yana nufin zaku iya yin odar na'urori daga kwandon ƙarfi ɗaya don tabbatar da daidaiton haske a duk lambobi a cikin samfurin ku. Idan daidaito ba shi da mahimmanci, kuna iya karɓar nunin daga kewayon kwandon.

10. Yanayin Amfani na Aiki

Harka: Ƙirar Nunin Multimeter na Lamba:Mai ƙira yana ƙirƙirar multimeter na lamba 3.5. Za su yi amfani da nunin LTS-3861JE huɗu (lambobi uku cikakku da ɗaya don lambar \"rabi\", yawanci yana nuna sassan '1' kawai da yuwuwar wasu). Microcontroller zai haɗa nunin. Babban haske da bambanci suna tabbatar da karatu a cikin yanayin haske daban-daban. Ƙarancin amfani da wutar lantarki yayi daidai da manufar haɓaka tsawon rayuwar baturi a cikin kayan aikin da ake ɗauka. Rarrabuwa don ƙarfin haske yana da mahimmanci a nan don hana lamba ɗaya ta bayyana a fili ko haske fiye da sauran, wanda zai lalata kamannin ƙwararru da karatu na kayan aikin.

11. Ka'idar Aiki

LTS-3861JE ya dogara ne akan ka'idar electroluminescence a cikin haɗin p-n semiconductor. Kayan aiki shine AlInGaP. Lokacin da aka yi amfani da ƙarfin gaba wanda ya wuce yuwuwar ginin haɗin, electrons daga yankin n-type da ramuka daga yankin p-type ana shigar da su cikin yankin aiki inda suke sake haɗuwa. A cikin semiconductor mai faɗin bandeji kai tsaye kamar AlInGaP, wannan sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na AlInGaP yana ƙayyade makamashin bandeji, wanda kai tsaye yana ayyana tsawon raƙuman (launi) na hasken da aka fitar—a wannan yanayin, ja a kusan 624-632 nm. Substrate na GaAs mara ganuwa yana taimakawa nuna haske sama, yana inganta ingantaccen ingantaccen fitar da haske daga saman na'urar.

12. Trends na Fasaha

Fasahar AlInGaP tana wakiltar mafita mai girma kuma mai inganci ga LED ja, orange, da rawaya. Trends na yanzu a cikin fasahar nuni don irin waɗannan alamun sun haɗa da ci gaba da turawa don inganci mafi girma (lumens da yawa kowace watt) don ba da damar ƙananan tsarin wutar lantarki. Hakanan akwai ci gaba da ci gaba a cikin fakitin don ba da damar ko da ƙananan siffofi ko halaye na kallo daban-daban. Duk da yake ba a shafi wannan nunin da aka raba kai tsaye ba, masana'antar LED ta faɗi tana ganin haɗa kayan lantarki na direba kai tsaye tare da mutuwar LED (misali, a cikin COB - Guntu akan Allon ko haɗaɗɗun fakitin IC-LED), wanda ke sauƙaƙe ƙirar tsarin. Don nunin sassa bakwai, fasahar AlInGaP ta cibiyar ta kasance zaɓi mafi rinjaye don aikace-aikacen ja mai haske saboda ingantaccen amincinta da aikin da aka tabbatar.