Takardun Bayani na LTC-2623JS LED Display - Tsawon Lamba 0.28-inch - AlInGaP Yellow - 2.6V Farashin Gaba - 70mW Watsawar Wutar Lantarki - Takardun Fasaha na Turanci

1. Bayyani Game da Samfur

LTC-2623JS na'urar nuni ce ta lambobi hudu, mai sassa bakwai, wacce aka tsara don aikace-aikacen da ke bukatar karanta lambobi masu haske da tsabta. Tana amfani da fasahar semiconductor ta Aluminium Indium Gallium Phosphide (AlInGaP) mai ci gaba akan wani abu na Gallium Arsenide (GaAs) marar gani don samar da haske mai launin rawaya na musamman. Nuni yana da fuskar fuska mai launin toka tare da alamomin sassa farare, yana ba da bambanci mai girma don mafi kyawun karantawa. Manufar tsarinsa ta asali ita ce samar da mafita mai aminci, mai karancin wutar lantarki don kayan aiki kamar allunan kayan aiki, kayan aikin gwaji, masu sarrafa masana'antu, da kayan lantarki na mabukaci inda ake bukatar nuna lambobi da yawa a cikin tsari mai kankanta.

1.1 Fa'idodi na Asali da Kasuwar da Ake Nufi

An kera wannan na'urar tare da fa'idodi masu mahimmanci da yawa waɗanda suka sa ta dace da aikace-aikace iri-iri. Haskensa mai girma da kyakkyawan bambanci suna tabbatar da ganuwa a ƙarƙashin yanayi daban-daban na haske, gami da hasken muhalli mai haske. Faɗin kusurwar kallo yana ba da damar karantawa daga wurare da ba a kan axis ba, wanda ke da mahimmanci ga na'urorin da aka ɗora akan allon. Tsarin da aka yi da ƙarfe yana ba da ingantaccen aminci da tsawon rai idan aka kwatanta da sauran fasahohin nuni, ba tare da sassa masu motsi ko filaments da za su kasa ba. An rarraba na'urar don ƙarfin haske, yana tabbatar da daidaito a cikin haske a cikin rukunin samarwa. Bugu da ƙari, ya bi ka'idojin marufi maras gubar (RoHS), yana sa ya dace da ƙirar kayan lantarki na zamani. Kasuwannin da ake nufi sun haɗa da sarrafa kai na masana'antu, na'urorin likita (inda aka tabbatar da ingantaccen aminci a gaba), kayan aikin sadarwa, allunan motoci (nuni na biyu), da kayan aikin gida.

1.2 Tsarin Na'urar

Lambar sashi LTC-2623JS tana nuna musamman nuni na LED AlInGaP rawaya tare da tsarin anode gama gari da aka haɗa. Ya haɗa da cikakkun lambobi huɗu (0-9) da maki goma na hannun dama ga kowane lamba, yana sauƙaƙa nuna lambobi goma. Tsarin haɗawa yana da mahimmanci don rage adadin fil ɗin direba da ake buƙata, yana mai da shi mai inganci don haɗawa da microcontrollers ko ICs direba na musamman.

2. Zurfin Bincike na Ma'auni na Fasaha

Cikakkiyar fahimtar ma'auni na lantarki da na gani yana da mahimmanci don samun nasarar haɗawa cikin ƙirar da'ira.

2.1 Matsakaicin Matsakaicin Matsayi

Aiki da na'urar fiye da waɗannan iyakoki na iya haifar da lalacewa ta dindindin. Matsakaicin watsawar wutar lantarki a kowane sashi shine 70 mW. Matsakaicin halin yanzu na gaba a kowane sashi an ƙididdige shi a 60 mA, amma wannan yana halatta ne kawai a ƙarƙashin yanayi na musamman na bugun jini: cikakken aiki 1/10 tare da faɗin bugun jini na 0.1 ms. Ci gaba da halin yanzu na gaba a kowane sashi shine 25 mA a 25°C, tare da ƙimar rage darajar 0.33 mA/°C. Wannan yana nufin halin yanzu mai izini yana raguwa yayin da yanayin yanayi ya tashi sama da 25°C. An ƙididdige na'urar don yanayin aiki da adanawa na -35°C zuwa +85°C. Yanayin gyaɗa ya ƙayyade cewa zafin jikin ɓangaren bai wuce matsakaicin ƙimar sa ba yayin haɗawa, tare da yanayin sake kwarara na yau da kullun yana ba da izinin dakika 3 a 260°C wanda aka auna 1/16 inch (kusan 1.6 mm) a ƙasa da matakin wurin zama.

2.2 Halaye na Lantarki & Na Gani

An ayyana waɗannan ma'auni a daidaitaccen yanayin yanayi (Ta) na 25°C. Matsakaicin ƙarfin haske a kowane sashi (Iv) ya bambanta daga 320 µcd (mafi ƙanƙanta) zuwa 800 µcd (na yau da kullun) a halin yanzu na gaba (IF) na 1 mA, yana nuna fitarwa mai haske. Matsakaicin tsayin tsayin fitarwa (λp) shine 588 nm, kuma babban tsayin tsayi (λd) shine 587 nm, duk an auna su a IF=20mA, suna sanya fitarwa a cikin yankin rawaya na bakan. Rabin faɗin layin bakan (Δλ) shine 15 nm, yana nuna launi mai tsafta. Farashin gaba a kowane guntu (VF) yana da ƙimar yau da kullun na 2.6V tare da matsakaicin 2.6V a IF=20mA, tare da mafi ƙanƙanta da aka lura a 2.05V. Dole ne masu ƙira su yi la'akari da wannan kewayon VF don tabbatar da daidaitaccen ƙa'idar halin yanzu. Juyawar halin yanzu a kowane sashi (IR) shine matsakaicin 100 µA a juyawar wutar lantarki (VR) na 5V. Yana da mahimmanci a lura cewa wannan yanayin juyawar wutar lantarki don dalilai na gwaji ne kawai kuma dole ne a guji ci gaba da aiki a ƙarƙashin juyawa. Matsakaicin daidaiton ƙarfin haske don sassan a cikin wuraren haske iri ɗaya shine 2:1 matsakaicin, ma'ana mafi ƙarancin sashi bai kamata ya zama rabin haske kamar mafi haske ba a ƙarƙashin yanayi iri ɗaya, yana tabbatar da kamanni iri ɗaya.

3. Bayanin Tsarin Rarrabawa

Takardun bayani yana nuna cewa na'urar "An Rarraba don Ƙarfin Hasken." Wannan yana nuna cewa an rarraba raka'a (bin) dangane da ƙimar hasken da aka auna a daidaitaccen gwajin halin yanzu. Duk da yake ba a cikakken bayyana takamaiman lambobin kwandon a cikin wannan ɓangaren ba, aikin yana tabbatar da cewa masu ƙira za su iya zaɓar nunin tare da matakan haske masu daidaito. Don aikace-aikacen da ke amfani da nuni biyu ko fiye a cikin haɗuwa ɗaya, ana ba da shawarar sosai don amfani da nunin daga kwandon ƙarfin haske iri ɗaya don hana bambance-bambance a cikin launi ko haske tsakanin raka'a, wanda zai iya rage kyawun samfur da ingancin aiki.

4. Bincike na Lanƙwasa Aiki

An koma ga lanƙwasan aiki na yau da kullun a cikin takardun bayani. Waɗannan jadawali suna da mahimmanci don fahimtar halayen na'urar a ƙarƙashin yanayin da ba daidai ba. Yawanci sun haɗa da alaƙar tsakanin halin yanzu na gaba (IF) da wutar lantarki na gaba (VF), wanda ba shi da layi kuma yana da mahimmanci don ƙirar direba. Wani muhimmin lanƙwasa yana nuna ƙarfin haske da halin yanzu na gaba, yana nuna yadda fitarwa haske ke ƙaruwa tare da halin yanzu amma yana iya cika ko lalacewa a matakan mafi girma. Lanƙwasa na uku mai mahimmanci yana nuna ƙarfin haske da yanayin yanayi, yana nuna raguwar fitarwa da ake tsammani yayin da zafin jiki ya tashi. Waɗannan lanƙwasan suna ba da damar injiniyoyi su inganta yanayin tuƙi don takamaiman yanayin aikace-aikacen su, daidaita haske, amfani da wutar lantarki, da tsawon rai na na'urar.

5. Bayanin Injiniya & Marufi

5.1 Girman Marufi da Tolerances

Nuni yana da tsayin lamba na 0.28 inches (7.0 mm). Duk tolerances masu girma suna ±0.25 mm sai dai idan an faɗi akasin haka. Muhimman bayanan injiniya sun haɗa da: ƙimar canjin ƙarshen fil ±0.4 mm, wanda dole ne a yi la'akari da shi don sanya ramin PCB; iyakoki akan kayan waje (≤10 mils), gurɓataccen tawada (≤20 mils), da kumfa (≤10 mils) a cikin yankin sashi; da kuma iyaka akan lanƙwasa mai nuni (≤1% na tsawonsa). Ana ba da shawarar diamita ramin PCB don fil ɗin shine 1.0 mm don tabbatar da dacewa da haɗin gyaɗa mai aminci.

5.2 Pinout da Gano Polarity

Na'urar tana da tsarin fil 16, ko da yake ba duka fil ɗin suna nan a zahiri ko an haɗa su ta lantarki ba. Tana amfani da tsarin anode gama gari da aka haɗa. Haɗin fil kamar haka: Fil 1 shine anode gama gari don Lamba 1. Fil 8 shine anode gama gari don Lamba 4. Fil 11 shine anode gama gari don Lamba 3. Fil 14 shine anode gama gari don Lamba 2. Fil 12 shine wani anode gama gari na musamman don sassan colon na gefen hagu (L1, L2, L3), idan suna cikin bambancin fakitin. Cathodes na sassan an rarraba su a cikin fil 2 (C, L3), 3 (DP), 5 (E), 6 (D), 7 (G), 13 (A, L1), 15 (B, L2), da 16 (F). Fil 4, 9, da 10 an lura da su a matsayin "Babu Haɗin" ko "Babu Fil." Zanen da'ira na ciki zai nuna haɗin waɗannan anodes da cathodes don lambobi huɗu.

6. Jagororin Gyaɗa & Haɗawa

6.1 Ma'auni na Sake Kwarara Gyaɗa

Bangaren ya dace da hanyoyin gyaɗa sake kwarara. Muhimmin ma'auni shine cewa zafin jikin ɓangaren da kansa bai wuce matsakaicin ƙimar sa ba yayin aikin gyaɗa. An ba da takamaiman yanayi: yankin haɗin gyaɗa (1/16 inch a ƙasa da matakin wurin zama) ana iya fuskantar 260°C har zuwa dakika 3. Dole ne masu ƙira da injiniyoyin tsari su tabbatar da bayanin martabar sake kwarara su bi wannan buƙatar don hana lalacewar zafi ga guntun LED ko fakitin epoxy.

6.2 Yanayin Sarrafawa da Adanawa

Don kiyaye yuwuwar gyaɗa da hana lalacewar aiki, ana ba da shawarar takamaiman yanayin adanawa. Ya kamata a ajiye samfurin a cikin ainihin fakitin shinge na danshi. Ana ba da shawarar muhallin adanawa shine tsakanin 5°C da 30°C tare da danshin dangi a ƙasa da 60% RH. Idan an cire samfurin daga jakar shinge ko an buɗe jakar sama da watanni 6, ana ba da shawarar hanyar gasa na sa'o'i 48 a 60°C kafin amfani don cire danshin da aka sha da kuma hana "popcorning" ko oxidation yayin gyaɗa. Ana hana dogon lokacin adanawa na manyan kayayyaki; ana ba da shawarar manufar cinyewa "farko-shigo, farko-fita" (FIFO).

7. Shawarwarin Aikace-aikace

7.1 Da'irorin Aikace-aikace na Yau da Kullun

Tsarin anode gama gari da aka haɗa yana buƙatar da'irar direba mai iya ƙarfafa kowane anode gama gari na lamba yayin samar da alamun cathode na sashe masu dacewa don wannan lamba. Ana samun wannan yawanci ta amfani da microcontroller tare da isassun fil ɗin I/O ko takamaiman IC direba na LED tare da goyon bayan haɗawa. Ana ba da shawarar tuƙi na halin yanzu akai-akai fiye da tuƙi na wutar lantarki akai-akai don tabbatar da daidaitaccen ƙarfin haske a cikin sassa da lambobi, ba tare da la'akari da bambance-bambancen wutar lantarki na gaba (VF) ba. Dole ne da'irar direba ta haɗa da kariya daga juyawar wutar lantarki da ƙwanƙwasa wutar lantarki na wucin gadi waɗanda zasu iya faruwa yayin kunna wutar lantarki ko jerin kashewa, saboda waɗannan na iya lalata guntun LED.

7.2 Muhimman Abubuwan Ƙira da Ake Yi La'akari

Iyakance Halin Yanzu:Dole ne a ƙirƙiri da'irar don iyakance halin yanzu na gaba a kowane sashi zuwa cikin matsakaicin matsakaicin matsayi, la'akari da aiki na ci gaba da bugun jini. Dole ne a mutunta lanƙwasa rage darajar don ci gaba da halin yanzu da zafin jiki.
Gudanar da Zafi:Ya kamata a zaɓi halin yanzu na aiki bayan la'akari da matsakaicin yanayin yanayi na ƙarshen aikace-aikace. Yawan halin yanzu a babban zafin jiki shine babban dalilin haɓakar fitarwa haske da gazawar farko.
Haɗin Gani:Idan ana amfani da allon gaba, tacewa, ko mai watsawa, tabbatar cewa bai yi matsi na injiniya akan fuskar nuni ba, musamman idan an shafa fim ɗin kayan ado. Irin wannan matsi na iya haifar da rashin daidaito ko lalacewa.
Gwajin Muhalli:Idan samfurin ƙarshe yana buƙatar nuni don fuskantar gwajin faɗuwa ko girgiza, ya kamata a tantance takamaiman yanayin gwaji a gaba don tabbatar da dacewa.

8. Kwatancen Fasaha & Bambance-bambance

LTC-2623JS ya bambanta kansa ta hanyar amfani da fasahar AlInGaP akan substrate na GaAs don fitarwa rawaya. Idan aka kwatanta da tsofaffin fasahohi kamar GaAsP, AlInGaP yana ba da ingantaccen inganci mai haske da ingantaccen kwanciyar hankali na zafin jiki, yana haifar da nunin masu haske tare da mafi daidaiton launi a cikin faɗin kewayon zafin jiki. Tsayin lamba 0.28-inch yana ba da daidaito tsakanin karantawa da amfani da sararin allon. Ƙirar haɗawa tana rage rikitarwar haɗin kai idan aka kwatanta da nunin tuƙi na tsaye. Haɗa maki goma na hannun dama ga kowane lamba yana ƙara aiki don nuna ƙimar lambobi. Ginin sa maras gubar, mai bin ka'idojin RoHS ya yi daidai da ka'idojin muhalli na zamani.

9. Tambayoyin da ake yawan yi (FAQ)

Q: Shin zan iya tuƙa wannan nuni tare da fil ɗin microcontroller 5V kai tsaye?
A: A'a. Matsakaicin wutar lantarki na gaba shine 2.6V, amma ana buƙatar resistor mai iyakance halin yanzu ko, zai fi dacewa, direba na halin yanzu akai-akai don saita daidaitaccen halin yanzu. Haɗawa kai tsaye zuwa 5V zai iya lalata sashin LED saboda yawan halin yanzu.

Q: Menene manufar fil ɗin "Babu Haɗin"?
A: Suna yiwuwa masu riƙe injiniya ne don daidaita ƙafar ƙafar fakitin tare da sauran bambance-bambancen nuni a cikin iyali ɗaya waɗanda zasu iya amfani da waɗannan fil ɗin don ƙarin fasali (misali, colon na hannun hagu, maki goma daban-daban).

Q: Ta yaya zan iya ƙididdige resistor mai iyakance halin yanzu da ya dace?
A: Yi amfani da Dokar Ohm: R = (V_supply - VF_LED) / I_desired. Don samar da 5V, VF na 2.6V, da halin yanzu da ake so na 10 mA: R = (5 - 2.6) / 0.01 = 240 Ohms. Koyaushe yi amfani da matsakaicin VF daga takardun bayani don ƙira mai ra'ayin mazan jiya don tabbatar da halin yanzu bai wuce iyakoki ba idan kun sami naúrar VF mai ƙanƙanta.

Q: Me ya sa juyawar bias ke da haɗari sosai ga waɗannan LEDs?
A> Yin amfani da wutar lantarki mai juyawa na iya haifar da ƙaura na ƙarfe a cikin guntun semiconductor, wanda zai haifar da haɓakar halin yanzu na yabo na dindindin ko ma gajeren kewayawa, yana sa sashin ya kasa aiki.

10. Nazarin Shari'ar Ƙira

Yi la'akari da ƙirar nuni na mitar dijital na benci. Ana buƙatar lambobi huɗu. An zaɓi LTC-2623JS saboda haskensa, bambancinsa, da karantawa. Microcontroller tare da direban LCD da aka gina a ciki an saita shi a yanayin haɗawa. Fil ɗin direba suna samar da halin yanzu zuwa anodes gama gari huɗu (Lambobi 1-4) a jere a babban ƙimar sabuntawa (>60 Hz). Fil ɗin cathode na sashe an haɗa su da fil ɗin direba masu nutsewa halin yanzu. Software yana sarrafa waɗanne sassa ke haskakawa yayin lokacin kunna kowane lamba. An sanya IC direba na halin yanzu akai-akai tsakanin microcontroller da fil ɗin sashe don tabbatar da daidaitaccen haske ba tare da la'akari da bambance-bambancen VF ba. An saita halin yanzu zuwa 5-8 mA a kowane sashi don cimma kyakkyawan haske yayin kiyaye ƙarancin wutar lantarki da haɓaka tsawon rai na nuni. An yi taka tsantsan a cikin shimfidar wurin PCB don sanya nuni nesa da abubuwan da ke haifar da zafi kamar masu daidaita wutar lantarki.

11. Ka'idar Aiki

Na'urar tana aiki akan ka'idar electroluminescence a cikin haɗin p-n semiconductor. Lokacin da aka yi amfani da wutar lantarki na gaba wanda ya wuce kofa na diode, electrons daga Layer AlInGaP na n-type suna sake haɗuwa tare da ramuka daga Layer p-type. Wannan taron sake haɗawa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na AlInGaP yana ƙayyade ƙarfin bandgap, wanda kai tsaye yana ayyana tsayin tsayi (launi) na hasken da aka fitar—a wannan yanayin, rawaya (~587 nm). Substrate na GaAs marar gani yana sha duk wani haske da aka fitar ƙasa, yana inganta bambanci ta hanyar hana tunani na ciki wanda zai iya "wanke" sassan. Sassa bakwai guntu LED ne na mutum ɗaya da aka haɗa su cikin tsarin lamba '8'. Ta hanyar zaɓin wutar lantarki daban-daban na waɗannan sassan, ana iya samar da duk lambobi da wasu haruffa.

12. Trends na Fasaha

Duk da yake nunin sassa bakwai na keɓaɓɓe suna da mahimmanci don takamaiman aikace-aikace, babban yanayin shine haɗin kai. Wannan ya haɗa da haɓaka nunin tare da haɗaɗɗun ICs direba ("nuni masu hankali") waɗanda ke sauƙaƙe haɗin gwiwar microcontroller. Hakanan akwai ci gaba da turawa don ingantattun kayan aiki, mai yuwuwa motsawa daga AlInGaP zuwa ma ƙarin haɗuɗɗun semiconductor don ƙarancin aikin wutar lantarki da haske mafi girma. Bugu da ƙari, buƙatar gamut launi mai faɗi da ƙira masu daidaitawa ana cika su ta hanyar tsararrun LED na na'urar haɗawa ta saman (SMD) da nunin matrix ɗin ɗigo, waɗanda ke ba da sassauci mafi girma amma tare da ƙarin rikitarwar direba. LTC-2623JS yana wakiltar cikakkiyar mafita, ingantacciyar mafita a cikin ƙwararrun ingantaccen aminci, nunin lambobi masu haɗawa inda sauƙi, ƙarfi, da ingantaccen aiki suka fi mahimmanci.