LTC-5685TBZ LED Nuni Takardar Bayani - Tsawon Lamba 0.56-inch - Launi Shudi - Ƙarfin Wutar Gaba 3.6V - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTC-5685TBZ na'urar nuni ce mai lamba uku, bakwai-sashe, ta amfani da fasahar LED (Light-Emitting Diode) mai haske shudi. An tsara ta don aikace-aikacen da ke buƙatar karanta lambobi bayyananne da haske. Na'urar tana da fuska baƙi tare da masu watsa sashe fari, suna ba da bambanci mai girma don kyakkyawar karatun haruffa. Babban ginin ya ƙunshi InGaN (Indium Gallium Nitride) yadudduka a kan tushen sapphire, wanda shine ma'auni don samar da LED shudi. Wannan ƙirar ƙwaƙƙwafar tsari tana ba da fa'idodin amintacciyar gaske fiye da sauran fasahohin nuni.

1.1 Muhimman Siffofi da Gano Na'ura

Nunin yana ba da fa'idodi daban-daban don haɗawa cikin tsarin lantarki. Tsawon lamba 0.56-inch (14.22 mm) yana daidaita tsakanin bayyanawa da ƙanƙanta, ya dace da mitoci na panel, kayan aiki, da na'urorin lantarki na mabukaci. Na'urar tana aiki da ƙarancin buƙatun wutar lantarki, tana ba da gudummawa ga ƙirar mai amfani da makamashi. Babban fitarwa mai haske tare da fuska baƙi yana tabbatar da babban bambanci, yana sa lambobin su kasance masu sauƙin karantawa ko da a cikin yanayi mai haske. Kallon kusurwa yana da faɗi, yana ba da damar ganin nunin bayyananne daga matsayi daban-daban. Ana rarraba abubuwan don ƙarfin haske, ma'ana ana jera LED ɗin kuma a rarraba su don tabbatar da daidaiton matakan haske a cikin rukunin samarwa, wanda yake da mahimmanci ga nunin lambobi da yawa su bayyana iri ɗaya. Bugu da ƙari, kunshin ya bi ka'idojin ƙirar maras gubar bisa ga umarnin RoHS.

Takamaiman lambar sashi, LTC-5685TBZ, ta gano wannan a matsayin na'urar tsarin anode gama gari tare da maki goma na hannun dama. Kari "TBZ" yawanci yana nuna launi (Shudi) da takamaiman kunshi ko saitin fasali.

2. Bayanin Injiniya da Kunshi

Girman zahiri na nunin yana da mahimmanci don shimfidar PCB (Allon Kewayawa da aka Buga) da ƙirar akwati. Yayin da ake nuni da zanen girma daidai a cikin takardar asali, ana ba da mahimman ƙa'idodi da bayanan haɗawa. Duk manyan girmansu an ƙayyade su a cikin milimita tare da ƙa'idar ƙa'idar ±0.25 mm sai dai idan an faɗi akasin haka. Don ɗora PCB, ana ba da shawarar diamita rami na 1.00 mm don ƙafafun. Ƙafafun ƙafafun suna da ƙa'idar canjin matsayi na ±0.40 mm, wanda dole ne masu ƙira su yi la'akari da shi a cikin shimfidar kushinsu. Hakanan an ayyana sigogin sarrafa inganci, ana iyakance kayan waje, kumfa a cikin yankin sashe, da gurɓatar tawada a saman zuwa 10 mils (kusan 0.254 mm) kowanne.

3. Tsarin Lantarki da Tsarin Ƙafafu

3.1 Zanen Kewayawa na Ciki

Zanen ciki yana bayyana tsarin lantarki na nunin. Kowane sashe (A zuwa G da maki goma na kowane lamba) an kafa shi ta ɗaya ko fiye da guntu LED shudi. Muhimmin abu a cikin kewayawa shine diode na Zener da aka haɗa a layi daya da guntun LED. Wannan diode yana aiki azaman abu mai kariya, yana taimakawa wajen ɗaure ƙararrakin wutar lantarki na ɗan lokaci kuma yana ba da matakin kariya daga fitar da wutar lantarki (ESD), wanda ya yi daidai da ƙayyadaddun babban bakin kofa na ESD. An ƙayyade guntun LED tare da babban tsayin raƙuman ruwa (λd) na 470 nm, yana sanya fitarwa a cikin yankin shudi na bakan gani.

3.2 Ayyana Haɗin Ƙafafu

Na'urar tana da ƙafafu 11 a cikin tsari-layi guda ɗaya. Tsarin ƙafafu kamar haka ne:
Ƙafa 1: Cathode don Lamba 1, Sashe A da Maki Goma
Ƙafa 2: Cathode don Lamba 2, Sashe B
Ƙafa 3: Cathode don Lamba 3, Sashe C
Ƙafa 4: Cathode don Lamba 4, Sashe D
Ƙafa 5: Cathode don Lamba 1, Sashe E
Ƙafa 6: Cathode don Lamba 2, Sashe F
Ƙafa 7: Cathode don Sashe G (gama gari a cikin lambobi, amma ana sarrafa shi ta zaɓin anode)
Ƙafa 8: Anode Gama Gari don Lamba 4
Ƙafa 9: Anode Gama Gari don Lamba 3
Ƙafa 10: Anode Gama Gari don Lamba 2
Ƙafa 11: Anode Gama Gari don Lamba 1
Wannan tsarin anode gama gari yana nufin cewa don haskaka wani sashe, dole ne a tuka ƙafar cathode ɗinsa ta dace zuwa ƙasa (ƙasa) yayin da ake tuka anode na lambar da ake so zuwa sama. Ana amfani da haɗakarwa don sarrafa lambobi uku daban ta hanyar kunna kowane anode na lamba a jere yayin gabatar da bayanan sashen na wannan lamba akan layukan cathode.

4. Matsakaicin Ƙimar Ƙimar da Iyakokin Aiki

Waɗannan ƙimar suna ayyana iyakokin damuwa waɗanda sama da su lalacewar dindindin na iya faruwa ga na'urar. Ba a nufin su don aiki na yau da kullun ba.
Rushewar Wutar Lantarki:Matsakaicin raguwar wutar lantarki a kowane guntun LED shine 70 mW. Wuce wannan zai iya haifar da zafi da raguwa cikin sauri.
Halin Gaba:Matsakaicin halin gaba na ci gaba a kowane sashe an ƙididdige shi a 20 mA a 25°C. Wannan ƙimar tana raguwa a layi daya sama da 25°C a ƙimar 0.21 mA/°C. Misali, a 85°C, matsakaicin halin yanzu na ci gaba zai kasance ƙasa. Ana ba da izinin matsakaicin halin gaba na 100 mA a ƙarƙashin yanayin bugun jini (kashi 15% na aiki, faɗin bugun jini 0.1 ms), wanda yake da amfani don haɗakarwa ko samun haske na ɗan lokaci mafi girma.
Kewayon Zafin Jiki:Na'urar na iya aiki kuma a adana ta a cikin kewayon zafin jiki na -35°C zuwa +85°C.
Fitar da Wutar Lantarki (ESD):Ƙimar ESD na ƙirar Jikin Mutum (HBM) shine 8000 V, yana nuna kyakkyawar kariya ta asali, amma har yanzu ana buƙatar hanyoyin sarrafa ESD da suka dace.
Solder:Na'urar na iya jure wa solder na igiyar ruwa ko sake kwarara tare da sharadin cewa zafin jiki a jikin naúrar bai wuce matsakaicin ƙimar ba yayin haɗawa. Takamaiman jagora shine solder na dakika 3 a 260°C, wanda aka auna 1/16 inch (≈1.59 mm) ƙasa da matakin wurin zama.

5. Halayen Lantarki da Na Gani

Ana auna waɗannan sigogi a kewayon zafin jiki (Ta) na 25°C kuma suna ayyana aikin yau da kullun a ƙarƙashin yanayin aiki na yau da kullun.

5.1 Halayen DC

Ƙarfin Hasken (I_V):Matsakaicin ƙarfin haske a kowane sashe ya bambanta daga 5400 µcd (mafi ƙanƙanta) zuwa 9000 µcd (na yau da kullun) lokacin da aka tuka shi a halin gaba (I_F) na 10 mA. Wannan ma'auni ne na hasken da idon ɗan adam ya gane, wanda aka auna tare da tacewa wanda ya dace da lanƙwan amsawar hotopic na CIE.
Ƙarfin Wutar Gaba (V_F):Faɗuwar wutar lantarki a kan sashe lokacin da yake gudanar da 20 mA yawanci 3.6 V ne, tare da mafi ƙanƙanta 3.3 V. Wannan sigogi yana da mahimmanci don ƙirar wutar lantarki na kewayawar tuƙi da masu hana halin yanzu.
Halin Baya (I_R):Lokacin da aka yi amfani da ƙarfin wutar lantarki na baya (V_R) na 5V, halin yanzu na yabo shine matsakaicin 100 µA. Takardar bayani ta bayyana a sarari cewa wannan yanayin ƙarfin wutar lantarki na baya ne don dalilai na gwaji kawai kuma ba dole ne a yi amfani da na'urar ci gaba a ƙarƙashin son zuciya na baya ba.

5.2 Halayen Bakan

Matsakaicin Tsawon Raƙuman Ruwa (λ_p):Tsawon raƙuman ruwa wanda ƙarfin fitarwa ya fi girma shine 468 nm (a I_F=20mA).
Babban Tsawon Raƙuman Ruwa (λ_d):Wannan shine tsayin raƙuman ruwa guda ɗaya wanda zai samar da fahimtar launi iri ɗaya da faɗin bakan na LED. Ya bambanta daga 470 nm zuwa 475 nm.
Rabin Faɗin Bakan (Δλ):Wannan shine faɗin bakan fitarwa a rabin matsakaicin ƙarfinsa, yawanci 15 nm. Ƙunƙarar rabin faɗi yana nuna launi mafi tsafta a cikin bakan.

5.3 Daidaitawa da Rarrabawa

Matsakaicin Daidaitawar Ƙarfin Hasken:Ga sassan da ke cikin "yankin haske mai kama", matsakaicin haske mafi haske zuwa mafi duhu bai kamata ya wuce 2:1 ba lokacin da aka auna shi a ƙaramin halin yanzu na 1 mA. Wannan ƙayyadaddun, haɗe da tsarin rarrabawar masana'anta, yana tabbatar da daidaiton gani a duk sassan nunin.

6. Jagororin Aikace-aikace da Gargaɗi

Wannan sashe yana ƙunshe da mahimman bayanai don haɗin amintaccen nunin cikin samfurin ƙarshe.

6.1 La'akari da Ƙira da Amfani

Amfanin da Ake Nufi:An tsara nunin don daidaitattun lantarki na kasuwanci da masana'antu. Ba a ba da takaddun shaida don aikace-aikacen aminci mai mahimmanci (jirgin sama, tallafin rayuwa na likita, da sauransu) ba tare da tuntubar farko da kimantawa ba.
Hanyar Tuƙi:Ana ba da shawarar tuƙin halin yanzu akai-akai fiye da tuƙin ƙarfin wutar lantarki akai-akai. Wannan yana tabbatar da daidaiton haske kuma yana kare LED ɗin daga guduwar zafi, kamar yadda ƙarfin wutar lantarki na gaba na LED ke raguwa tare da ƙaruwar zafin jiki. Dole ne a tsara kewayawar tuƙi don ɗaukar cikakken kewayon V_F(3.3V zuwa 3.6V) don tabbatar da cewa ana kaiwa manufar tuƙin tuƙi koyaushe.
Rage Halin Yanzu:Dole ne a zaɓi halin yanzu na aiki bisa ga matsakaicin yanayin yanayin da ake tsammani a aikace-aikacen, la'akari da raguwar da aka ƙayyade a cikin matsakaicin ƙimar ƙima.
Kariya daga Ƙarfin Wutar Baya:Dole ne ƙirar kewayawa ta hana aiwatar da son zuciya na baya ko manyan ƙararrakin wutar lantarki yayin jerin kunna/kashe wutar lantarki, saboda hakan na iya haifar da ƙaura na ƙarfe kuma ya haifar da ƙaruwar yabo ko gajeriyar kewayawa.
Zafi da Muhalli:A guji saurin canjin zafin jiki a cikin yanayi mai ɗanɗano don hana hazo a kan nunin. Kada a yi amfani da ƙarfin injiniya ga jikin nunin yayin haɗawa.
Daidaiton Gani:Lokacin amfani da nunai da yawa a cikin haɗawa ɗaya, ana ba da shawarar amfani da raka'a daga rukunin samarwa ɗaya don guje wa bambance-bambance a cikin launi ko haske.
Gwaji:Idan samfurin ƙarshe yana buƙatar nunin ya ɗauki gwajin faɗuwa ko girgiza, yakamata a raba takamaiman yanayi don kimantawa, saboda damuwar injiniya na iya shafar haɗin ciki.

6.2 Yanayin Ajiya da Sarrafawa

Don ajiya na dogon lokaci, samfurin ya kamata ya kasance a cikin kunshinsa na asali. Yanayin ajiyar da ake ba da shawarar yana cikin kewayon zafin jiki na 5°C zuwa 30°C da ɗanɗano dangi ƙasa da 60%. Ajiye waje da waɗannan sharuɗɗan, musamman a cikin babban ɗanɗano, na iya haifar da oxidization na jagororin abubuwan (ƙafafu), wanda zai iya buƙatar sake sarrafawa kafin amfani kuma zai iya shafar solderability. Saboda haka, ana ba da shawarar sarrafa kayan ajiya don guje wa ajiya mai tsayi kuma a cinye abubuwan cikin lokaci.

7. Bincike na Lanƙwan Aiki

Yayin da ake nuni da takamaiman jadawali a cikin takardar bayani, lanƙwan na yau da kullun don irin waɗannan LED ɗin zai haɗa da:
Halin Gaba vs. Ƙarfin Wutar Gaba (Lanƙwan I-V):Wannan lanƙwan mai ma'ana yana nuna alaƙa tsakanin halin yanzu ta hanyar LED da ƙarfin wutar lantarki a cikinta. Yana nuna buƙatar iyakance halin yanzu.
Ƙarfin Hasken vs. Halin Gaba:Wannan lanƙwan gabaɗaya yana da layi a ƙananan halin yanzu amma yana iya cika a manyan halin yanzu saboda tasirin zafi. Yana taimaka wa masu ƙira su zaɓi wurin aiki don haske da ake so da inganci.
Ƙarfin Hasken vs. Yanayin Yanayi:Wannan yana nuna raguwar fitarwa na haske yayin da zafin haɗin gwiwa ya ƙaru, yana mai da hankali kan mahimmancin sarrafa zafi.
Rarraba Bakan:Tsarin ƙarfin dangi da tsayin raƙuman ruwa, yana nuna kololuwa a ~468 nm da ~15 nm rabin faɗi, yana tabbatar da halayen launin shudi.

8. Yanayin Aikace-aikace na Yau da Kullun

LTC-5685TBZ ya dace da aikace-aikace iri-iri waɗanda ke buƙatar nunin lamba bayyananne, amintacce. Waɗannan sun haɗa da:
• Mitocin panel na dijital don karatun ƙarfin wutar lantarki, halin yanzu, ko zafin jiki.
• Kayan aikin siyarwa a wurin siyarwa da na'urorin kuɗi.
• Allunan sarrafa masana'antu da nunin lokaci.
• Kayan aikin gwaji da aunawa.
• Na'urorin mabukaci kamar tanda microwave, ƙarfafa sauti, ko rediyon agogo.
Launin shudi yana ba da kyakkyawan ƙira na zamani kuma yana iya zama mafi sauƙi a idanu a cikin yanayi mara haske idan aka kwatanta da nunin kore ko ja mai haske sosai.

9. La'akari da Ƙira da Kwatanta

Lokacin zaɓar wannan nunin, masu ƙira yakamata su yi la'akari da tsarin anode gama gari, wanda zai iya buƙatar daban-daban tuƙi ICs ko tsarin tashar microcontroller idan aka kwatanta da nau'ikan cathode gama gari. Matsakaicin ƙarfin wutar lantarki na gaba na 3.6V yana nufin ana amfani da ƙarfin wutar lantarki aƙalla 5V don ɗaukar faɗuwar a kan resistor mai hana halin yanzu da kewayawar tuƙi. Idan aka kwatanta da tsofaffin fasahohi kamar nunin fluorescent na vacuum (VFDs) ko mafi sauƙin nunin incandescent, wannan nunin LED yana ba da ƙarancin amfani da wutar lantarki, tsawon rayuwa, da mafi girman juriya ga girgiza da girgiza. Idan aka kwatanta da LCD, yana ba da mafi girman haske da kusurwoyin kallo ba tare da buƙatar hasken baya ba, ko da yake yana iya cinye ƙarin wutar lantarki idan an haskaka sassa da yawa lokaci ɗaya.