Takardun Bayanin LTC-571JD LED Display - Tsawon Lamba 0.56-inch - AlInGaP Ja - 2.6V Farashin Gaba - 70mW Watsawar Wutar Lantarki - Takardun Fasaha

1. Bayyani Game da Samfur

LTC-571JD babban na'urar nuni ce mai lamba uku, mai sassa bakwai na LED, wacce aka ƙera don aikace-aikacen da ke buƙatar karantawar lambobi masu haske da bayyananne. Babban aikinta shine samar da fitowar lambobi ta gani a cikin na'urorin lantarki kamar kayan gwaji, sarrafa masana'antu, allunan kayan aiki, da na'urorin amfani. Babban fa'idar wannan na'urar yana cikin amfani da ci-gaban fasahar AlInGaP (Aluminum Indium Gallium Phosphide) LED guntu, wanda ke ba da ingantaccen ingancin haske da tsaftar launi idan aka kwatanta da kayan gargajiya. Wannan yana haifar da manyan fasali da aka haskaka a cikin takardun bayanin: babban haske, kyakkyawan bayyanar haruffa tare da sassa masu ci gaba daidai, babban bambanci, da faɗin kusurwar kallo. An rarraba na'urar don ƙarfin haske, yana tabbatar da daidaito a matakan haske a cikin rukunin samarwa, wanda ke da mahimmanci ga nunin lambobi da yawa inda daidaito ya fi mahimmanci. Kasuwar da aka yi niyya ta haɗa da masu ƙira da masana'anta na kayan lantarki na ƙwararru da na masana'antu inda amincin, karantawa a ƙarƙashin yanayi daban-daban na haske, da tsawon rayuwar aiki suke buƙatu masu mahimmanci.

2. Zurfin Binciken Ma'aunin Fasaha

2.1 Halaye na Hoto da na Gani

Ayyukan gani shine tsakiyar aikin wannan nuni. Matsakaicin Ƙarfin Hasken (Iv) an ƙayyade tare da mafi ƙarancin 340 µcd, ƙimar yau da kullun na 700 µcd, kuma babu iyaka a ƙarƙashin yanayin gwaji na ƙarfin lantarki na gaba (IF) na 1mA. Wannan babban haske yana tabbatar da ganuwa. Hasken da aka fitar yana cikin bakan ja, tare da Tsayin Raƙuman Ruwa Mai Kololuwa (λp) na 656 nm da Tsayin Raƙuman Ruwa Mai Rinjaye (λd) na 640 nm, duk an auna su a IF=20mA. Rabin Faɗin Layin Bakan (Δλ) shine 22 nm, yana nuna fitar da launi mai tsafta. Yana da mahimmanci a lura cewa ana auna ƙarfin haske ta amfani da haɗin firikwensin da tacewa wanda ke kusantar da lanƙwasa amsawar ido na CIE photopic, yana tabbatar da cewa ƙimar sun dace da hangen nesa na ɗan adam.

2.2 Halaye na Lantarki da Iyakar Ma'auni

Iyakar lantarki na na'urar suna ayyana yankinta na aiki mai aminci. Dole ne kada a wuce Iyakar Ma'auni don hana lalacewa ta dindindin. Manyan iyakoki sun haɗa da: Watsawar Wutar Lantarki kowane Sashe na 70 mW, Matsakaicin Ƙarfin Lantarki na Gaba kowane Sashe na 110 mA (a ƙarƙashin yanayin bugun jini: 1/10 aikin aiki, faɗin bugun jini 0.1ms), da Ci gaba da Ƙarfin Lantarki na Gaba kowane Sashe na 25 mA a 25°C, yana raguwa a layi a 0.33 mA/°C sama da 25°C. Matsakaicin Ƙarfin Lantarki na Baya kowane Sashe shine 5 V. Ƙarfin Lantarki na Gaba kowane Sashe (VF) yana da ƙimar yau da kullun na 2.6V tare da matsakaicin 2.6V a IF=20mA, yayin da Ƙarfin Lantarki na Baya kowane Sashe (IR) shine matsakaicin 100 µA a VR=5V. Matsakaicin Daidaiton Ƙarfin Hasken tsakanin sassa an ƙayyade a matsakaicin 2:1, yana tabbatar da daidaiton gani a duk faɗin nuni.

2.3 Ma'auni na Zafi da Muhalli

Aminci a duk faɗin zafi shine babban fasali. An ƙididdige na'urar don Kewayon Yanayin Zafin Aiki na -35°C zuwa +85°C da daidai Kewayon Yanayin Zafin Ajiya. Wannan faɗin kewayon yana sa ya dace da mawuyacin yanayi. Don haɗawa, matsakaicin Zafin Solder shine 260°C na matsakaicin tsawon lokaci na 3 seconds, wanda aka auna a 1.6mm ƙasa da farfajiyar zama, wanda shine jagora na yau da kullun don hanyoyin solder na igiyar ruwa ko sake karkatarwa don guje wa lalacewar zafi ga guntun LED ko fakitin.

3. Bayanin Tsarin Rarraba (Binning)

Takardun bayanin ta bayyana cewa na'urar "An Rarraba ta don Ƙarfin Hasken." Wannan yana nuna aiwatar da tsarin rarraba ko tsarawa. A cikin kera LED, bambance-bambance na asali suna faruwa. Rarraba (Binning) shine tsarin raba LED da aka kera zuwa ƙungiyoyi (kwantena) bisa takamaiman ma'aunin da aka auna kamar ƙarfin haske, ƙarfin lantarki na gaba, ko tsayin raƙuman ruwa. Ga LTC-571JD, babban ma'aunin rarraba shine ƙarfin haske. Wannan yana tabbatar da cewa abokan ciniki suna karɓar nunin da duk lambobi da sassansu sun yi daidai da matakan haske, tare da hana wani lamba ya bayyana a fili ya fi wani duhu ko haske a cikin na'urar mai lambobi da yawa. Wannan yana da mahimmanci don daidaiton ƙira da aiki a cikin samfurin ƙarshe. Duk da yake takardun bayanin ba ta ba da cikakken bayani game da takamaiman lambobin kwantena ko iyakoki ba, ambaton rarrabuwar yana tabbatar da mai amfani da wannan matakin ingancin.

4. Binciken Lanƙwasa Ayyuka

Takardun bayanin ta haɗa da sashe na "Lanƙwasa Halaye na Lantarki/Gani na Yau da Kullun." Waɗannan jadawali suna da mahimmanci don zurfin binciken ƙira. Ko da yake ba a ba da cikakkun lanƙwasa a cikin rubutun da aka bayar ba, lanƙwasa na yau da kullun don irin wannan na'urar za su haɗa da:Ƙarfin Lantarki na Gaba vs. Ƙarfin Lantarki na Gaba (Lanƙwasa I-V):Wannan yana nuna alaƙa tsakanin ƙarfin lantarki da ke ratsa LED da raguwar ƙarfin lantarki a cikinta. Ba ta da layi, kuma masu ƙira suna amfani da wannan don zaɓar masu hana ƙarfin lantarki da suka dace.Ƙarfin Hasken vs. Ƙarfin Lantarki na Gaba (Lanƙwasa L-I):Wannan jadawalin yana nuna yadda fitowar haske ke ƙaruwa tare da ƙarfin lantarki. Gabaɗaya yana da layi a cikin wani kewayo amma zai cika a manyan ƙarfin lantarki.Ƙarfin Hasken vs. Yanayin Yanayi:Wannan lanƙwasa tana nuna yadda fitowar haske ke raguwa yayin da zafin haɗin LED ke ƙaruwa. Fahimtar wannan raguwa yana da mahimmanci ga ƙira da ke aiki a yanayin zafi mai girma.Rarraba Bakan:Zane na ƙarfin dangi da tsayin raƙuman ruwa, yana nuna siffa da tsaftar kololuwar fitar da ja a kusa da 640-656 nm.

5. Bayanin Injiniya da Fakitin

Ƙirar injiniya tana tabbatar da amintaccen hawa da haɗin lantarki. Na'urar tana da fakitin daidaitaccen tsari tare da tsawon lamba na 0.56 inches (14.2 mm). An ba da girman fakitin a cikin cikakken zane tare da duk ma'aunin a millimita da ƙimar jurewa na yau da kullun na ±0.25 mm sai dai idan an faɗi akasin haka. Wannan yana ba da damar ƙirar sawun PCB (Allon Da'ira da aka Buga) daidai. Zanen haɗin ƙulla yana da mahimmanci don igiyoyin lantarki daidai. LTC-571JD nau'in katoda gama gari ne mai yawa tare da maki goma sha biyu na hannun dama. Tsarin ƙulla 12 shine kamar haka: Ƙulla 1: Anode E, Ƙulla 2: Anode D, Ƙulla 3: Anode D.P. (Maki Goma), Ƙulla 4: Anode C, Ƙulla 5: Anode G, Ƙulla 6: Babu Haɗi, Ƙulla 7: Anode B, Ƙulla 8: Katoda Gama Gari don Lamba 3, Ƙulla 9: Katoda Gama Gari don Lamba 2, Ƙulla 10: Anode F, Ƙulla 11: Anode A, Ƙulla 12: Katoda Gama Gari don Lamba 1. Zanen da'ira na ciki yana nuna cewa sassan kowane lamba suna raba haɗin katoda gama gari, wanda shine daidaitaccen tsari don nunin da aka haɗa don rage adadin filayen direba da ake buƙata.

6. Jagororin Solder da Haɗawa

Daidaitaccen sarrafawa yana da mahimmanci ga amincin. Babban jagora da aka bayar shine iyakar zafin solder: 260°C matsakaicin don dakika 3 a 1.6mm ƙasa da farfajiyar zama. Wannan ya dace da daidaitattun bayanan sake karkatar solder maras gubar. Masu ƙira yakamata su tabbatar da tsarin haɗawar PCB ɗin su ya bi wannan iyaka don hana damuwa na zafi akan guntun LED, wanda zai iya haifar da raguwar fitowar haske, canjin launi, ko gazawar bala'i. Don solder na hannu, yakamata a yi amfani da ƙarfe mai sarrafa zafi tare da ƙaramin lokacin tuntuɓar. Yakamata a adana na'urar a cikin asalin jakar shinge na danshi a cikin yanayi da aka sarrafa (a cikin ƙayyadaddun kewayon -35°C zuwa +85°C) kafin amfani don hana shakar danshi, wanda zai iya haifar da "popcorning" yayin sake karkatarwa.

7. Bayanin Marufi da Oda

Lambar sashi ita ce LTC-571JD. Duk da yake ba a lissafa cikakkun bayanan marufi (misali, tef da reel, adadin bututu) a cikin abin da aka cire ba, al'adar masana'antu ta yau da kullun don irin waɗannan nunin ita ce jigilar su a cikin bututu ko tirelolin anti-static don kare ƙullun da fuska. "Spec No." DS30-2001-188 da "Effective Date" 06/12/2001 su ne masu gano sarrafa bita. Tsarin sunan samfurin "LTC-571JD" mai yiwuwa yana bin tsarin lambobi na ciki inda "LTC" na iya nuna layin samfurin nuni, "571" ya ƙayyade girman da nau'in, kuma "JD" zai iya nuna launi, rarraba, ko wasu bambance-bambance.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan nuni ya dace da kowane na'urar da ke buƙatar karantawar lambobi masu yawa da bayyananne. Aikace-aikacen gama gari sun haɗa da: na'urorin auna lantarki na dijital da na manne, ƙididdiga na mitar, lokaci da masu sarrafa tsari, nunin na'urar samar da wutar lantarki, kayan aikin sa ido na likita, kayan aikin bincike na mota, da tashoshin siyarwa. Babban haskensa da faɗin kusurwar kallonsa sun sa ya dace da aikace-aikacen da za a iya kallon nuni daga kusurwa ko ƙarƙashin hasken yanayi mai haske.

8.2 Abubuwan Tunani na Ƙira da Aiwa da'ira

Ƙira tare da LTC-571JD yana buƙatar da'irar direba mai yawa saboda tsarin katoda gama gari. Ana amfani da microcontroller ko takamaiman IC direban nuni (kamar MAX7219 ko makamancinsa) akai-akai. Direban yana kunna katoda gama gari na kowane lamba (ƙullun 8, 9, 12) a babban mitar (misali, 100Hz-1kHz) yayin samar da bayanan anode na sashe da suka dace (ƙullun 1,2,3,4,5,7,10,11) don wannan lambar. Wannan hanyar tana rage adadin filayen I/O da ake buƙata daga (sassa 7 + 1 DP) * lambobi 3 = 24 zuwa sassa 7 + 1 DP + lambobi 3 = 11. Masu hana ƙarfin lantarki suna wajibi ne ga kowane layin anode na sashe don saita ƙarfin lantarki na gaba (misali, 10-20 mA kowane sashe). Ana iya ƙididdige ƙimar resistor ta amfani da R = (Vcc - Vf) / If, inda Vf shine ƙarfin lantarki na gaba na yau da kullun (2.6V). Don samar da 5V da ƙarfin lantarki na manufa na 15mA: R = (5 - 2.6) / 0.015 = 160 ohms. Resistor na 150 ko 180 ohm zai dace. Masu ƙira dole ne su tabbatar da cewa matsakaicin ƙarfin lantarki kowane sashe bai wuce ƙimar bugun jini na 110mA ba kuma matsakaicin watsawar wutar lantarki kowane sashe, la'akari da aikin aiki na yawa, ya kasance ƙasa da 70mW.

9. Kwatancen Fasaha da Bambance-bambance

LTC-571JD ya bambanta da kansa da farko ta hanyar amfani da fasahar LED AlInGaP. Idan aka kwatanta da tsofaffin fasahohi kamar daidaitattun LED ja GaAsP (Gallium Arsenide Phosphide), AlInGaP yana ba da ingantaccen ingancin haske sosai. Wannan yana nufin yana samar da ƙarin fitowar haske (babban haske) don adadin ƙarfin lantarki iri ɗaya, ko kuma yana iya samun haske iri ɗaya a ƙaramin ƙarfin lantarki, yana haɓaka ingancin wutar lantarki. Sunan "Hi-Eff. Red" yana jaddada wannan fa'ida. Bugu da ƙari, LED na AlInGaP gabaɗaya suna da ingantaccen kwanciyar hankali na zafi da tsawon rayuwa. Fasalin "sassa masu ci gaba daidai" yana nuna babban abin rufe fuska ko ƙirar mai watsawa wanda ke kawar da gibi ko rashin daidaiton haske a cikin kowane sashe, yana samar da bayyanar ƙwararru, mai inganci wanda ya fi nunin da ke da siffofi ko tsari mai ɗigo a fili.

10. Tambayoyin da ake yawan yi (FAQ)

Q: Menene manufar ƙullun "Babu Haɗi" (Ƙulla 6)?

A: Wannan ƙullun yana nan a injiniyance amma an keɓe shi ta hanyar lantarki. Mai yiwuwa an haɗa shi don daidaiton injiniyance da kwanciyar hankali yayin tsarin ƙirƙira ko don kiyaye daidaitaccen tazarar ƙulla. Kada a haɗa shi da kowane alamar da'ira.

Q: Ta yaya zan iya ƙididdige matsakaicin ƙarfin lantarki kowane sashe a cikin tsarin da aka haɗa?

A: Matsakaicin ƙarfin lantarki shine matsakaicin ƙarfin lantarki da aka ninka ta aikin aiki. Don haɗa lambobi 3 tare da daidaitaccen lokaci kowane lamba, aikin aiki na kowane lamba shine 1/3. Idan kun tuka kowane sashe da 20mA lokacin da lambarsa ke aiki, matsakaicin ƙarfin lantarki kowane sashe shine 20mA * (1/3) ≈ 6.67mA. Ana amfani da wannan matsakaicin ƙarfin lantarki don ƙididdigar watsawar wutar lantarki.

Q: Zan iya tuka wannan nuni tare da ƙarfin lantarki mai dorewa (wanda ba a haɗa shi ba)?

A: A fasaha a'a, ta hanyar haɗa duk katoda gama gari tare da tuka kowane anode na sashe daban. Duk da haka, wannan zai buƙaci layukan direba 11 (anodes 8 + katoda 3 sun haɗa tare) kuma ba shi da inganci dangane da adadin abubuwan da aka haɗa da amfani da microcontroller I/O idan aka kwatanta da haɗawa. Har yanzu ƙididdigar lantarki suna aiki.

Q: Menene ma'anar "fuskar launin toka da sassa fari"?

A> Wannan yana bayyana bayyanar nuni lokacin da ya kashe. Fuskar (bango) launin toka ce, wanda ke taimakawa haɓaka bambanci lokacin da sassan ja suka haskaka. Sassan da kansu fari ne, wanda shine launin kayan watsawa ko abin rufe fuska wanda hasken LED ja ke haskakawa, yana haifar da fitar da ja mai haske lokacin da aka kunna wutar lantarki.

11. Ƙira da Amfani na Aiki

Yi la'akari da ƙirar mai sauƙin na'urar auna voltmeter mai lamba uku ta amfani da microcontroller tare da mai canza analog zuwa dijital (ADC). Microcontroller yana karanta ƙarfin lantarki (0-5V), yana canza shi zuwa lamba mai lamba uku (0.00 zuwa 5.00), kuma yana tuka LTC-571JD. Lambar direban za ta aiwatar da haɗawa ta rarraba lokaci. A cikin madauki, zai: 1) Saita tsarin sashe don lambar ɗari akan tashoshin anode, sannan kunna katoda don Lamba 1 (ƙulla 12). 2) Jira ɗan jinkiri (misali, 2ms). 3) Kashe Lamba 1, saita tsarin sashe don lambar goma, kuma kunna katoda don Lamba 2 (ƙulla 9). 4) Maimaita don lambobi/maki goma ta amfani da Lamba 3 (ƙulla 8) da anode maki goma (ƙulla 3). Zagayowar yana maimaitawa cikin sauri, yana haifar da tunanin kwanciyar hankali, lamba mai lamba uku mai haske ci gaba. Masu hana ƙarfin lantarki da suka dace akan kowane layin anode, waɗanda aka ƙididdige su don matsakaicin ƙarfin lantarki na 15-20mA, suna da mahimmanci. Wannan ƙira tana amfani da ƴan filayen I/O na microcontroller kawai cikin inganci.

12. Gabatarwar Ka'idar Fasaha

LTC-571JD ya dogara ne akan fitar da haske na semiconductor mai ƙarfi. Babban abin da aka haɗa shi ne guntun LED AlInGaP. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce ƙarfin haɗin diode (kusan 2.1-2.6V), electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki na semiconductor, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gami na AlInGaP yana ƙayyade makamashin bandgap, wanda kai tsaye yayi daidai da tsayin raƙuman ruwa (launi) na hasken da aka fitar—a wannan yanayin, ja (~640-656 nm). An ɗora guntun a kan wani abu mai ƙarfi na GaAs, wanda ke taimakawa haskaka haske a waje, yana inganta inganci. Hasken daga ƙananan guntun LED yana wucewa ta cikin fakitin filastik mai siffa tare da farin kayan watsawa don sassa da tace launin toka don bango, yana haifar da siffofi na lamba bakwai da aka sani. Tsarin haɗin katoda gama gari shine zaɓin ƙirar lantarki wanda ke haɗa duk LED ɗin don lamba ɗaya zuwa tashar mara kyau da aka raba, yana ba da damar sarrafa lamba ɗaya.

13. Trends da Juyin Halitta na Fasaha

Duk da yake LTC-571JD yana wakiltar fasaha mai girma kuma mai aminci, faɗin fagen fasahar nuni yana ci gaba da haɓakawa. Trends a cikin nunin sassa bakwai ya kasance zuwa ga ingantaccen inganci da haɗawa. Bambance-bambancen zamani na iya amfani da ƙarin ci-gaban kayan semiconductor ko fakitin ma'aunin guntu don ɗan ingantaccen aiki ko ƙananan gefuna. Duk da haka, ainihin nunin sashen LED da aka haɗa ya kasance yana da mahimmanci saboda sauƙinsa, ƙarfi, ƙaramin farashi don fitarwa na lamba kawai, da kyakkyawan ganuwa. Babban ka'idojin da ke cikin wannan takardun bayanin—ingantattun kayan (AlInGaP), rarraba a hankali don daidaito, da bayyanannun ƙayyadaddun injiniya/lantarki—suna kasancewa tushen ƙirar abin nuni mai aminci. Don sabbin ƙira, injiniyoyi na iya kuma kimanta cikakkun ƙira masu haɗawa tare da masu sarrafawa na ciki ko kuma yi la'akari da OLEDs na matrix ɗigo don sassauƙar haruffa da lambobi, amma don aikace-aikacen lamba kawai waɗanda ke buƙatar babban haske da tsawon rayuwa, nunin kamar LTC-571JD suna ci gaba da zama mafi kyawun magani kuma an tabbatar da shi.