Takardun Bayanan Fasaha na LTS-3403LJG LED Display - Tsayin Lamba 0.8-inch - Kori AlInGaP - Ƙarfin Wutar Gaba 2.6V - Takardun Fasaha na Turanci

1. Bayyani Game da Samfur

LTS-3403LJG wani ingantaccen na'ura ne mai nuni mai lamba guda ɗaya, mai sassa bakwai, wanda aka ƙera don karanta lambobi a sarari a cikin aikace-aikacen lantarki daban-daban. Babban aikinsa shine samar da fitarwa na lambobi na dijital da ake iya karantawa sosai. Babban fa'idar wannan na'urar ya ta'allaka ne a cikin amfani da fasahar guntu LED ta Aluminum Indium Gallium Phosphide (AlInGaP). Wannan tsarin kayan yana da sanin samar da haske mai inganci a cikin bakan kori zuwa ja, yana ba da haske mafi girma da tsaftar launi idan aka kwatanta da tsofaffin fasahohi. Nuni yana da fuska mai launin toka tare da sassa farare, wanda ke haɓaka bambanci da iya karantawa a ƙarƙashin yanayin haske daban-daban. Ƙarancin amfani da wutar lantarki da dacewa da da'irori na yau da kullun sun sa ya dace da babban kasuwa, ciki har da na'urorin lantarki na masu amfani, kayan aikin masana'antu, kayan aikin gwaji da aunawa, da tsarin da aka haɗa inda ake buƙatar nuni na lambobi mai aminci, mai ƙarancin wutar lantarki.

2. Zurfin Bincike Kan Ma'auni na Fasaha

2.1 Halaye na Hoto da Na Gani

An ayyana mahimman ma'auni na aiki a ƙarƙashin daidaitattun yanayin gwaji a yanayin zafin muhalli (Ta) na 25°C.Matsakaicin Ƙarfin Hasken (Iv)an ƙayyade shi da mafi ƙarancin 320 µcd, ƙimar al'ada na 900 µcd, kuma ba a bayyana mafi girma ba, lokacin da aka tuƙa shi da igiyar gaba (IF) na 1mA. Wannan ma'auni yana nuna hasken da ake gani na sassan da aka haskaka. An rarraba fitarwar haske, ma'ana ana rarraba na'urori bisa ga ƙarfin hasken da aka auna, don tabbatar da daidaiton matakan haske ga rukunin samarwa.

An ayyana halayen launi ta hanyar tsawon raƙuman ruwa.Matsakaicin Tsawon Raƙuman Ruwa (λp)yawanci yana nanomita 571 (nm) a IF=20mA, wanda ke sanya hasken da aka fitar a cikin yankin kori na bakan gani.Matsakaicin Tsawon Raƙuman Ruwa (λd)yawanci 572 nm ne, ma'auni mai alaƙa da wanda ke kwatanta launin da ake gani.Rabin Faɗin Layin Bakan (Δλ)yawanci 15 nm ne, yana nuna ƙunƙuntaccen faɗin bakan, wanda ke taimakawa wajen samun launin kori mai tsafta, cikakke. Ana auna ƙarfin haske ta amfani da firikwensin da tacewa da aka daidaita zuwa lanƙwasa amsawar ido na CIE photopic, don tabbatar da cewa ƙimar sun dace da hangen nesa na ɗan adam.

2.2 Ma'auni na Lantarki

Ƙayyadaddun lantarki suna ayyana iyakoki da yanayi na aiki.Ƙarfin Wutar Gaba Kowane Bangare (VF)yana da ƙimar al'ada na 2.6V kuma mafi girma na 2.6V lokacin IF=10mA. Wannan ma'auni ne mai mahimmanci don ƙirar da'irar iyakancewar igiya.Kowane Bangare na Koma Baya (IR)yana da iyaka na 100 µA lokacin da aka yi amfani da ƙarfin wutar koma baya (VR) na 5V, yana nuna igiyar ɓarna a cikin yanayin kashewa.

TheMatsakaicin Ƙimar Cikakkesuna saita iyakoki don aiki mai aminci. Matsakaicin ci gaba da igiyar gaba kowane bangare shine 25 mA. Ana amfani da ƙimar ragewa na 0.33 mA/°C a layi daya daga 25°C, ma'ana ƙimar igiyar ci gaba da aka halatta tana raguwa yayin da yanayin zafin muhalli ya tashi sama da 25°C don hana lalacewa ta zafi. Matsakaicin ƙarfin wutar koma baya kowane bangare shine 5V. Wucewa waɗannan ƙimar na iya haifar da lalacewa ta dindindin ga na'urar.

2.3 Halaye na Zafi

Ana nuna sarrafa zafi ta hanyar ƙayyadaddun ragewa don ci gaba da igiyar gaba. An ƙididdige na'urar donKewayon Yanayin Zafin Aikina -35°C zuwa +85°C da kuma irin wannanKewayon Yanayin Zafin Ajiya.Zafin Solderƙididdigewa ya ƙayyade cewa na'urar za ta iya jure 260°C na dakika 3 a wani batu 1/16 inch (kusan 1.6mm) ƙasa da matakin wurin zama yayin ayyukan solder na igiyar ruwa ko sake kwarara. Bin wannan jagorar yana da mahimmanci don hana lalacewa ga guntun LED na ciki da haɗin waya.

3. Bayanin Tsarin Rarrabawa

Takardun bayanai a sarari ya bayyana cewa na'uraran rarraba ta don ƙarfin haske. Wannan yana nufin cewa yayin samarwa, ana gwada nunin LED kuma a raba su zuwa kwandon daban-daban bisa ga aunannun fitarwar haske a daidaitaccen igiyar gwaji (yawanci 1mA, kamar yadda ƙayyadaddun Iv ya nuna). Wannan tsarin rarrabawa yana tabbatar da cewa masu amfani na ƙarshe suna karɓar samfuran tare da daidaitattun matakan haske, wanda ke da mahimmanci ga aikace-aikacen da ake amfani da lambobi da yawa a gefe da gefe don guje wa bambance-bambance a ƙarfin sassa. Duk da yake takardar ba ta ba da cikakkun bayanai game da takamaiman lambobin kwandon ko iyakoki ba, aikin yana ba da garantin mafi ƙarancin matakin aiki (320 µcd) kuma yana haɗa na'urori masu irin wannan halayen fitarwa tare.

4. Bincike Kan Lanƙwasa Aiki

Takardun bayanai yana nuni gaLanƙwasa Halaye na Lantarki/Gani na Al'ada. Ko da yake ba a ba da takamaiman jadawali a cikin ɓangaren rubutun ba, irin waɗannan lanƙwasa sun zama daidaitattun a cikin takaddun bayanai na LED. Yawanci sun haɗa da:

• Lanƙwasa Igya Gaba (IF) da Ƙarfin Wutar Gaba (VF):Wannan yana nuna alaƙar da ba ta layi tsakanin igiya da ƙarfin wutar lantarki, mai mahimmanci don ƙirar da'irar tuƙi daidai. Ƙarfin wutar gwiwa yawanci yana kusa da VF da aka bayyana na 2.05-2.6V.
• Lanƙwasa Ƙarfin Hasken (Iv) da Igya Gaba (IF):Wannan jadawali yana kwatanta yadda fitarwar haske ke ƙaruwa tare da igiyar tuƙi. Gabaɗaya yana layi a kan kewayon amma zai cika a manyan igiyoyi saboda iyakokin zafi da inganci.
• Lanƙwasa Ƙarfin Hasken da Yanayin Zafin Muhalli:Wannan yana nuna tasirin kashe zafi, inda fitarwar hasken LED ke raguwa yayin da zafin haɗin ke ƙaruwa. Wannan yana ƙarfafa mahimmancin ƙayyadaddun rage igiyar yanzu.
• Lanƙwasa Rarraba Bakan:Zane na ƙarfin dangi da tsawon raƙuman ruwa, yana nuna kololuwa a ~571nm da ƙunƙuntaccen rabin faɗi, yana tabbatar da fitarwar launin kori mai tsafta.

Waɗannan lanƙwasa suna ba masu ƙira fahimta mai zurfi game da halayen na'urar a ƙarƙashin yanayin da ba na daidaitaccen ba, suna ba da damar ƙirar tsarin mai ƙarfi da ingantacce.

5. Bayanin Injiniya da Kunshin

An ba da na'urar tare da cikakkenzane na girman kunshin. Duk girmansu an ƙayyade su a cikin milimita tare da daidaitaccen jurewa na ±0.25mm sai dai idan an lura daban. Wannan zane yana da mahimmanci don shimfidar PCB (Allon Da'ira da aka Buga), don tabbatar da cewa ƙafar ƙafa da wuraren kiyayewa an ƙera su daidai. An ƙera nuni donsauƙin hawa akan allon P.C. ko soket, yana nuna cewa yana da ƙusoshin da suka dace don solder ta rami ko shigarwa cikin soket mai dacewa. Bayanin zahiri ya lura dafuska mai launin toka da sassa farare, wanda shine babban fasalin injiniya da ke shafar kyawu da iya karantawa.

6. Haɗin Ƙulla da Da'irar Ciki

LTS-3403LJG wani nau'in nuni ne nakatoda gama gari. Wannan yana nufin cewa an haɗa katododin (tashoshi marasa kyau) na dukkan sassan LED a ciki tare kuma an fitar da su zuwa ƙusoshin gama gari, yayin da kowane bangaren anode (tashoshi masu kyau) yana da nasa ƙulla na musamman. Teburin haɗin ƙulla ya lissafa ƙusoshi 17, tare da da yawa da aka yiwa alama da "BABU ƘULLA" (mai yiwuwa ba a yi amfani da su ba ko kuma akwai su ne kawai a injiniya). Ƙusoshin aiki suna sarrafa sassa A zuwa G, maki goma biyu (Maki Goma na Hagu da Dama, L.D.P da R.D.P), da haɗin katoda gama gari guda biyar (ƙusoshi 4, 6, 12, 17, da ɗaya da bayanin katoda gama gari ya nuna).Zanen da'irar cikizai wakilta wannan ginin katoda gama gari a gani, yana nuna yadda ƙusoshin katoda da yawa aka haɗa su a ciki tare don rarraba igiya kuma mai yiwuwa suna taimakawa wajen kawar da zafi.

7. Jagororin Solder da Taro

Babban jagora da aka bayar shineƙayyadaddun zafin solder: 260°C na dakika 3 a 1/16 inch ƙasa da matakin wurin zama. Wannan daidaitaccen bayanin JEDEC ne don solder na igiyar ruwa ko sake kwarara na abubuwan rami. Dole ne masu ƙira su tabbatar cewa tsarin taronsu ya bi wannan iyaka don guje wa girgizar zafi, wanda zai iya fashe kunshin epoxy ko lalata guntun semiconductor. Dole ne gabaɗayan sarrafawa ya bi ƙa'idodin ESD (Fitarwa na Wutar Lantarki) na yau da kullun don na'urorin semiconductor. An ayyana yanayin ajiya ta hanyar kewayon zafin ajiya na -35°C zuwa +85°C.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Al'ada

Wannan nuni yana da kyau ga kowane aikace-aikacen da ke buƙatar lamba guda ɗaya, mai iya gani sosai. Amfanin gama gari ya haɗa da: mitoci na panel don ƙarfin wutar lantarki, igiya, ko zafin jiki; agogon dijital da na'urorin ƙidayar lokaci; raka'o'in allon maki; ƙididdiga na samarwa; lambobin nuna matsayi akan kayan aikin gida ko na masana'antu; da kuma a matsayin wani ɓangare na manyan nunin lambobi da yawa a cikin tsarin da ake haɗa lambobi.

8.2 Abubuwan da ake la'akari da ƙira

• Iyakancewar Igya:Koyaushe yi amfani da resistors masu iyakancewar igiya a jere don kowane anode na bangare. Ana ƙididdige ƙimar resistor bisa ga ƙarfin wutar lantarki (Vcc), ƙarfin wutar gaba na LED (VF, yi amfani da matsakaicin 2.6V don aminci), da igiyar gaba da ake so (IF, kasancewa ƙasa da 25mA ci gaba). Formula: R = (Vcc - VF) / IF.
• Da'irar Tuƙi:A matsayin nuni na katoda gama gari, yawanci ana haɗa katododin zuwa ƙasa ko canza su zuwa ƙasa ta hanyar IC mai tuƙi (kamar mai rarraba/direba mai sassa bakwai ko ƙullin GPIO na microcontroller da aka saita azaman nutsewa). Ana tuƙa anodes sama ta hanyar resistors masu iyakancewar igiya.
• Haɗawa:Ga tsarin lambobi da yawa da ke amfani da irin wannan nunin, haɗawa wata dabara ce ta gama gari don sarrafa sassa da yawa tare da ƙananan ƙusoshin I/O. Wannan ya haɗa da saurin zagayawa da wutar lantarki ga katoda gama gari na kowane lamba yayin gabatar da bayanan sassa masu dacewa akan layukan anode da aka raba. Ƙarancin amfani da wutar lantarki na LTS-3403LJG da dacewa sun sa ya dace da aikace-aikacen da aka haɗa.
• Kusurwar Dubawa:Takardun bayanai ta yi iƙirarin cewa kusurwar dubawa mai faɗi, wanda ya kamata a tabbatar da shi a cikin zanen injiniya ko kuma a tabbatar da shi don buƙatun takamaiman aikace-aikace.

9. Kwatancen Fasaha da Bambance-bambance

Babban abin da ya bambanta LTS-3403LJG shine amfani dafasahar AlInGaPda kuma takamaimantsayin lamba 0.8-inch. Idan aka kwatanta da tsofaffin fasahohi kamar na LED na GaP ko GaAsP na yau da kullun, AlInGaP yana ba da ingancin haske mai girma sosai, yana haifar da nunin haske mai haske a irin wannan igiyar ko kuma irin wannan haske a ƙarancin wutar lantarki. Tsayin 0.8-inch (20.32mm) daidaitaccen girma ne wanda ke ba da daidaito mai kyau tsakanin gani da amfani da sararin allon. Ƙirar fuska mai launin toka/sassa farare tana inganta bambanci idan aka kwatanta da kunshin baƙar fata ko kori gaba ɗaya. Tsarin sa na katoda gama gari shine mafi yawanci kuma yana samun goyon baya daga ICs masu tuƙi da ɗakunan ajiyar microcontroller.

10. Tambayoyin da ake yawan yi (FAQ)

Q: Menene manufar samun ƙusoshin katoda gama gari da yawa (misali, ƙusoshi 4, 6, 12, 17)?

A: Ƙusoshin katoda da yawa suna taimakawa wajen rarraba jimillar igiyar dawowa daga dukkan sassan da aka haskaka, suna rage yawan igiya a kowane ƙulla ɗaya da kuma bin diddigin PCB. Wannan yana inganta aminci kuma yana iya taimakawa wajen kawar da zafi daga guntun LED. An haɗa su a ciki, don haka a lantarki su ne kumburin guda ɗaya.

Q: Zan iya tuƙa wannan nuni kai tsaye daga ƙullin microcontroller na 5V?

A: A'a. Dole ne koyaushe ka yi amfani da resistor mai iyakancewar igiya a jere tare da kowane bangare. Haɗa tushen 5V kai tsaye zuwa anode (tare da katoda a ƙasa) zai yi ƙoƙarin jawo igiya mai yawa, mai yiwuwa ya lalata bangaren LED kuma ya lalata ƙullin microcontroller.

Q: Menene ma'anar "Matsakaicin Daidaita Ƙarfin Hasken (IV-m) na 2:1"?

A: Wannan yana ƙayyade matsakaicin ƙimar da aka halatta tsakanin mafi haske da mafi duhu a cikin na'ura guda ɗaya lokacin da aka auna su a ƙarƙashin yanayi iri ɗaya (IF=1mA). Ƙimar 2:1 tana nufin cewa bangaren mafi haske ba zai wuce sau biyu haske fiye da mafi duhu ba, yana tabbatar da daidaito a cikin lambar.

Q: Ta yaya zan ƙididdige resistor mai iyakancewar igiya da ya dace?

A: Yi amfani da Dokar Ohm: R = (Vsupply - VF) / IF. Misali, tare da wadata 5V (Vsupply), matsakaicin VF na 2.6V, da IF da ake so na 10mA (0.01A): R = (5 - 2.6) / 0.01 = 240 Ohms. Dangane da resistor na 220 ko 270 Ohm zai dace.

11: Nazarin Shari'ar Ƙira da Amfani

Yi la'akari da ƙirar mita mai ƙarfin wutar lantarki mai sauƙi wanda ke nuna 0-9.9V. Tsarin yana amfani da microcontroller tare da na'urar canza analog zuwa dijital (ADC) don auna ƙarfin wutar lantarki. Firmware na microcontroller yana karanta ADC, yana canza ƙimar zuwa lambobin BCD (Lambobi da aka ƙidaya da Binary) guda biyu, kuma yana tuƙa nunin LTS-3403LJG guda biyu a cikin tsari mai haɗawa. Nuni ɗaya yana nuna wurin goma (0-9) ɗayan kuma yana nuna wurin ɗaya da maki goma. An haɗa katododin gama gari na kowane nuni zuwa ƙusoshin microcontroller daban-daban waɗanda aka saita azaman buɗe-rami/ƙananan fitarwa. Anodes bakwai (A-G) da anode na maki goma na dama an haɗa su zuwa wasu ƙusoshin microcontroller ta hanyar resistors masu iyakancewar igiya na 220-ohm guda ɗaya, waɗanda aka raba tsakanin nunin biyu. Firmware yana saurin canza wane katoda na nuni yake ƙasa yayin fitar da tsarin sassa don wannan takamaiman lamba. Wannan hanya tana amfani da ƙusoshi 8 kawai don sassa + ƙusoshi 2 don sarrafa lamba = ƙusoshin I/O 10, maimakon ƙusoshi 16+ da ake buƙata don tuƙi mai tsayi. Fasahar AlInGaP tana tabbatar da cewa karatu yana da haske kuma a sarari ko da a cikin wurare masu haske.

12. Gabatarwa Kan Ka'idar Fasaha

LTS-3403LJG ya dogara ne akanfasahar semiconductor na Aluminum Indium Gallium Phosphide (AlInGaP). Wannan wani semiconductor ne na mahadi na III-V inda ƙarfin bandgap--bambancin makamashi tsakanin band ɗin valence da band ɗin gudanarwa--za a iya daidaita shi ta hanyar daidaita ma'auni na Aluminum, Indium, Gallium, da Phosphorus. Don fitarwar kori, an ƙera bandgap don zama kusan 2.2-2.3 electron volts (eV). Lokacin da aka yi amfani da ƙarfin wutar gaba wanda ya wuce ƙarfin kunna diode, ana shigar da electrons da ramuka zuwa yankin aiki inda suke sake haɗuwa. Wannan sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Tsawon raƙuman ruwa (λ) na photon da aka fitar yana da sabanin ƙarfin bandgap (Eg), kamar yadda aka bayyana ta hanyar lissafi λ = hc/Eg (inda h shine akai-akai na Planck kuma c shine saurin haske). Takamaiman abun da ke ciki yana haifar da photons tare da tsawon raƙuman ruwa kusan 571-572 nm, wanda idon ɗan adam ke ganinsa azaman hasken kori. Substrate na GaAs mara ganuwa yana ɗaukar wasu hasken da aka fitar, amma ƙira da kayan har yanzu suna samar da inganci da haske mai girma.

13. Trends na Fasaha

Juyin halittar nunin sassa bakwai yana nuna ci gaba a cikin fasahar LED. Nunin farko sun yi amfani da GaAsP ko GaAsP, waɗanda ke da iyakataccen inganci da kewayon launi. AlInGaP, wanda aka gabatar a cikin 1990s, ya wakilci babban tsalle, yana ba da inganci mai girma da cikakkiyar jikewa na launi a cikin bakan ja-lemu-rawaya-kori. Don kori mai tsafta da shuɗi, fasahar Indium Gallium Nitride (InGaN) daga baya ta zama mafi rinjaye kuma yanzu ma'auni ne don LED farare kuma. Trends na yanzu a cikin nunin lambobi sun haɗa da: canzawa zuwakunshin na'urar hawa saman (SMD)don taron kai tsaye, ko da yake nau'ikan rami kamar wannan sun kasance sananne don ƙirar samfuri da wasu masana'antu; haɗawa daICs masu tuƙi da masu sarrafawakai tsaye cikin kunshin nuni (nuni masu hankali); amfani damatrices mafi girma yawadon nunin haruffa da matrix-dot suna maye gurbin raka'o'in sassa bakwai masu sauƙi a aikace-aikace da yawa; da kuma ci gaba da mayar da hankali kanƙara inganci (lumens kowace watt)daƙananan ƙarfin wutar lantarki na aikidon cika ƙa'idodin ceton makamashi da buƙatun rayuwar baturi. Duk da yake akwai sabbin fasahohi, nunin da ke kan AlInGaP kamar LTS-3403LJG sun kasance mafita mai tsada kuma mai aminci sosai don nuni na lambobi kori guda ɗaya inda takamaiman halayen su na aiki suka fi dacewa.