Takardun Bayani na LED LTC-5753JD-01 - Tsayin Lamba 0.56-inch - Jan Hyper (650nm) - Ƙarfin Wutar Gaba 2.6V - Ragewar Wutar Lantarki 70mW - Takardun Fasaha na Hausa

1. Bayyani Game da Samfurin

LTC-5753JD-01 wani babban tsari ne mai aiki mai ƙarfi, mai nuni mai lamba huɗu da sassa bakwai, wanda aka ƙera don aikace-aikacen da ke buƙatar bayyanannun karatun lambobi. Babban aikinsa shine wakiltar bayanan lambobi a zahiri a cikin lambobi huɗu daban-daban, kowannensu ya ƙunshi sassa bakwai na LED da za a iya kaiwa da kansu tare da ma'auni na goma. An ƙera na'urar don haɗawa cikin allunan kayan aikin ƙira, tsarin sarrafa masana'antu, kayan aikin gwaji, na'urorin lantarki na mabukaci, da kowane mu'amala inda amintaccen nunin lambobi masu yawa ya zama dole.

Babban fa'idar wannan nunin yana cikin amfani da fasahar semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide) don guntu na LED Jan Hyper. Wannan tsarin kayan yana da suna saboda ingantaccen aiki da ƙarfin haske mai kyau a cikin bakan jan-lemu. Nunin yana da fuskar launin toka mai haske tare da sassa fari, wanda ke haɓaka bambanci da karantawa sosai a ƙarƙashin yanayin haske daban-daban, yana ba da gudummawa ga "kyakkyawan bayyanar harafi." An rarraba na'urar don ƙarfin haske, yana tabbatar da daidaiton matakan haske a cikin rukunin samarwa don daidaiton aikin gani a cikin shigarwar na'urori da yawa.

2. Zurfin Bincike na Ƙayyadaddun Fasaha

Wannan sashe yana ba da cikakken bincike na zahiri game da mahimman ma'auni na fasaha da aka ayyana a cikin takardun bayani, yana bayyana mahimmancinsu don ƙira da aikace-aikace.

2.1 Halaye na Hoto da na Gani

Aikin gani shine tsakiyar aikin nunin. Ana auna mahimman ma'auni a ƙarƙashin daidaitattun yanayin gwaji (yawanci Ta=25°C).

• Matsakaicin Ƙarfin Hasken (I_V):Ya bambanta daga mafi ƙarancin 200 µcd zuwa ƙimar al'ada na 650 µcd a ƙarfin gaba (I_F) na 1mA. Wannan ma'auni yana ƙididdige hasken da ido na mutum ya gani na sashin da aka haskaka, ta amfani da tacewa wanda ke kusantar lankwasa amsawar haske na CIE photopic. Babban ƙimar al'ada yana tabbatar da kyakkyawan gani.
• Matsakaicin Tsawon Zango na Fitowa (λ_p):Nanomita 650 (nm). Wannan shine tsawon zangon da ƙarfin haske na LED ya kasance a mafi girmansa. Yana ayyana halayen launin "Jan Hyper".
• Mafi Rinjaye Tsawon Zango (λ_d):639 nm. Wannan shine tsawon zango guda ɗaya wanda ya fi dacewa da launin hasken LED da ido na mutum ya gani. Bambanci tsakanin kololuwa da tsawon zango mafi rinjaye na al'ada ne ga LED saboda siffar bakan fitarwa.
• Rabin Faɗin Layin Bakan (Δλ):20 nm. Wannan yana ƙayyade faɗin band na hasken da aka fitar, wanda aka auna shi azaman cikakken faɗi a rabin matsakaicin (FWHM) na rarraba ƙarfin bakan. Ƙimar 20 nm tana nuna launin ja mai tsafta, cikakke.
• Matsakaicin Daidaiton Ƙarfin Hasken (I_V-m):2:1 matsakaici. Wannan ma'auni ne mai mahimmanci don daidaiton nunin. Yana ƙayyade cewa ƙarfin hasken kowane sashi bai kamata ya wuce sau biyu na kowane sashi a cikin na'urar ɗaya ba lokacin da ake tuƙa shi a ƙarƙashin yanayi iri ɗaya (I_F=1mA). Wannan yana tabbatar da daidaiton haske a duk sassan lamba.

2.2 Halaye na Lantarki da na Zafi

Waɗannan ma'auni suna ayyana iyakokin aiki na lantarki da yanayi don amintaccen amfani da aminci.

• Ƙarfin Wutar Gaba kowane Sashi (V_F):Yawanci 2.6V, tare da matsakaicin 2.6V a I_F=20mA. Wannan shine raguwar ƙarfin lantarki a kan sashin LED lokacin da yake gudanar da wutar lantarki. Yana da mahimmanci don ƙira kewayawar iyakance wutar lantarki a matakin tuƙi.
• Ci gaba da Ƙarfin Wutar Gaba kowane Sashi (I_F):25 mA matsakaici a 25°C. Wannan shine matsakaicin wutar lantarki DC wanda za'a iya ci gaba da amfani da shi ga sashi ɗaya ba tare da haɗarin lalacewa ba. Takardun bayani ya ƙayyade ma'aunin ragewa na 0.33 mA/°C sama da 25°C, ma'ana matsakaicin wutar lantarki da aka yarda yana raguwa yayin da yanayin yanayi ya ƙaru don sarrafa zafin haɗin gwiwa.
• Kololuwar Ƙarfin Wutar Gaba kowane Sashi:90 mA matsakaici. Ana yarda da wannan kawai a ƙarƙashin yanayin bugun jini tare da zagayowar aiki 1/10 da faɗin bugun jini 0.1ms. Wannan yana ba da damar tsare-tsaren haɗawa inda ake amfani da ƙarfin wutar lantarki na lokaci don cimma hasken da ake gani yayin da ake kiyaye matsakaicin ragewar wutar lantarki cikin iyaka.
• Ƙarfin Wutar Koma baya kowane Sashi (V_R):5 V matsakaici. Yin amfani da ƙarfin lantarki na koma baya sama da wannan na iya haifar da gazawar nan take kuma mai ban tsoro na haɗin LED.
• Ƙarfin Wutar Koma baya kowane Sashi (I_R):100 µA matsakaici a V_R=5V. Wannan shine ƙaramin wutar lantarki da ke gudana lokacin da LED ke da koma baya a cikin matsakaicin matsayinsa.
• Ragewar Wutar Lantarki kowane Sashi (P_D):70 mW matsakaici. Wannan shine matsakaicin wutar lantarki da za'a iya watsawa azaman zafi a cikin sashi ɗaya. Wucewa wannan iyaka, wanda aka ƙaddara da farko ta I_F* V_F, na iya haifar da dumama da rage tsawon rayuwa.

2.3 Matsakaicin Matsayin Ƙarfafawa da Iyakokin Muhalli

Waɗannan su ne iyakokin damuwa waɗanda ba dole ba ne a wuce su a kowane yanayi, ko da na ɗan lokaci. Aiki fiye da waɗannan matakan na iya haifar da lalacewa ta dindindin.

• Kewayon Yanayin Zafin Aiki:-35°C zuwa +85°C. An tabbatar da cewa na'urar za ta yi aiki a cikin wannan kewayon zafin yanayi, ko da yake ma'auni na lantarki kamar ƙarfin wutar lantarki na gaba na iya buƙatar ragewa a yanayin zafi mai girma.
• Kewayon Yanayin Zafin Ajiya:-35°C zuwa +85°C. Ana iya adana na'urar ba tare da aiki ba a cikin wannan kewayon.
• Zafin Solder:Matsakaicin 260°C na matsakaicin dakika 3, wanda aka auna 1.6mm (1/16 inch) ƙasa da matakin wurin zama. Wannan yana da mahimmanci don aikin solder na igiyar ruwa ko sake kwarara don hana lalacewar zafi ga guntu na LED ko marufi.

3. Tsarin Rarraba da Rarrabawa

Takardun bayani ta bayyana a sarari cewa na'urar "an rarraba ta don ƙarfin haske." Wannan yana nuna tsarin rarraba samarwa. Duk da yake ba a bayar da takamaiman lambobin kwandon a cikin wannan ɓangaren ba, rarrabuwar al'ada don irin waɗannan nunin ya haɗa da rarraba raka'a bisa ga ƙarfin hasken da aka auna a daidaitaccen gwajin wutar lantarki (misali, I_F=1mA). Wannan yana tabbatar da cewa masu ƙira waɗanda ke samo nunai da yawa don samfurin guda ɗaya za su iya cimma daidaiton haske a duk raka'a, wanda ke da mahimmanci ga samfuran ƙarshe masu kama da ƙwararru. An nuna cewa sauran mahimman ma'auni kamar ƙarfin wutar lantarki na gaba da tsawon zango mafi rinjaye suma ana sarrafa su cikin ƙayyadaddun izini don tabbatar da aiki mai daidaito.

4. Bincike akan Lankwasa Ayyuka

Takardun bayani tana nuni zuwa "Lankwasa Halaye na Lantarki / Na Gani na Al'ada." Duk da yake ba a ƙididdige takamaiman jadawali a cikin rubutun da aka bayar ba, lankwasan daidaitattun don irin waɗannan na'urori yawanci sun haɗa da:

• Dangantakar Ƙarfin Hasken da Ƙarfin Wutar Gaba (I_Vda I_F):Yana nuna yadda haske ke ƙaruwa tare da wutar lantarki, yawanci a cikin yanayin ƙasa da layi a manyan wutar lantarki saboda dumama da raguwar inganci.
• Ƙarfin Wutar Gaba da Ƙarfin Wutar Gaba (V_Fda I_F):Yana nuna halayen I-V na diode mai ma'ana, mai mahimmanci don ƙira masu tuƙi na wutar lantarki akai-akai.
• Dangantakar Ƙarfin Hasken da Yanayin Yanayi (I_Vda T_a):Yana kwatanta yadda fitarwar LED ke raguwa yayin da zafin haɗin gwiwa ya tashi, yana nuna mahimmancin sarrafa zafi.
• Rarraba Ƙarfin Bakan:Jadawali da ke nuna ƙarfin hasken da aka fitar a cikin bakan tsawon zango, wanda ya ta'allaka a kusa da kololuwar 650nm.

Waɗannan lankwasan suna ba masu ƙira damar yin hasashen aiki a ƙarƙashin yanayin aiki mara daidaito da inganta kewayawar tuƙi don inganci da tsawon rayuwa.

5. Bayanin Injiniya da Marufi

5.1 Girman Jiki da Tsari

An yi nuni ga zanen marufi. Muhimman fasaloli na daidaitaccen nunin lamba 4, 0.56-inch sun haɗa da girman tsarin gabaɗaya wanda ke ɗauke da lambobi huɗu a gefe, tazarar fil da ta dace da daidaitattun soket na DIP (Dual In-line Package) ko sawun PCB, da tsayin sashi na 14.2 mm. Fasalin "sassa masu daidaito ci gaba" yana nuna bayyanar mara tsaga tsakanin lambobi, wanda galibi ana cimma shi tare da farantin fuska guda ɗaya, wanda aka yi da gyare-gyare. Ana jure girman girma yawanci ±0.25 mm sai dai idan an ƙayyade in ba haka ba.

5.2 Haɗin Fil da Tsarin Kewayawa

Na'urar tana da tsarin fil 12. Tana amfani daKatod Gama garitsarin gine-ginen haɗawa. Wannan yana nufin cewa an haɗa katod (gefen mara kyau) na duk LED na takamaiman lamba tare a ciki, yayin da an raba anodes (gefen tabbatacce) ga kowane nau'in sashi (A-G, DP) a ko'ina cikin duk lambobi.

• Fil 6, 8, 9, 12:Waɗannan su ne fil ɗin katod gama gari don Lamba 4, Lamba 3, Lamba 2, da Lamba 1, bi da bi.
• Fil 1, 2, 3, 4, 5, 7, 10, 11:Waɗannan su ne fil ɗin anode don sassan E, D, DP, C, G, B, F, da A, bi da bi.

Zanen kewayawa na ciki zai nuna saiti huɗu na LED bakwai (da DP) waɗanda aka tsara tare da anodes ɗin su da aka ɗaure zuwa layukan sashi kuma katod ɗin su ya ɗaure zuwa layukan lambobi masu dacewa. Wannan tsari shine tushen dabarar tuƙi ta haɗawa.

6. Jagororin Solder da Haɗawa

Bin ƙayyadaddun bayanin solder ba shi da sasantawa don aminci. Matsakaicin matsakaicin matsayin zafin solder shine 260°C na dakika 3. A aikace, ana ba da shawarar bayanin sake kwarara mara gubar tare da matsakaicin zafin jiki ɗan ƙasa da wannan matsakaicin (misali, 250°C) don samar da gefen aminci. Ma'aunin ma'auni (1.6mm ƙasa da matakin wurin zama) yana da mahimmanci saboda yana wakiltar zafin jiki a filayen tuƙi na marufi, ba lallai ba ne zafin iska mai zafi a cikin tanda sake kwarara. Tsawaita bayyanar da zafi mai girma na iya lalata haɗin waya na ciki, lalata epoxy na LED, ko haifar da ɓarna. Solder na hannu tare da ƙarfe ya kamata a yi shi da sauri kuma tare da isasshen taimakon zafi akan kushin PCB. Ya kamata a koyaushe a bi ƙa'idodin sarrafa ESD (Fitowar Wutar Lantarki na Electrostatic) yayin haɗawa.

7. Shawarwari na Aikace-aikace

7.1 Kewayawan Aikace-aikace na Yau da Kullun

An ƙera LTC-5753JD-01 donaikin haɗawa (multiplex). Kewayawan tuƙi na al'ada ya ƙunshi microcontroller ko takamaiman IC mai tuƙi nunin (misali, MAX7219, TM1637). Direban yana kunna (yana jefa wutar lantarki zuwa ƙasa) katod lamba ɗaya a lokaci guda yayin da yake amfani da daidaitaccen tsarin ƙarfin lantarki na anode sashi (ta hanyar masu jure wutar lantarki) don wannan lamba. Wannan zagayowar yana maimaitawa a babban mitar (yawanci >100Hz), yana amfani da dagewar gani don sa duk lambobi huɗu su bayyana suna haskakawa ci gaba. Wannan hanyar tana rage yawan fil ɗin tuƙi da ake buƙata daga 36 (lambobi 4 * sassa 9) zuwa 12 kawai (sassa 8 + lambobi 4).

7.2 Abubuwan Ɗauka da Mafi Kyawun Ayyuka

• Masu Jure Wutar Lantarki:Mahimmanci ga kowane layin anode sashi. Ana ƙididdige ƙimar resistor bisa ga ƙarfin wutar lantarki (V_CC), ƙarfin wutar lantarki na gaba na LED (V_F), da wutar lantarki sashi da ake so (I_F). Tsari: R = (V_CC- V_F) / I_F. Don haɗawa, I_Fshinekololuwawutar lantarki, ba matsakaici ba.
• Mita na Haɗawa da Zagayowar Aiki:Ana buƙatar mita mai girma wanda ya isa don guje wa ƙyalli da ake gani (yawanci >60-100 Hz). Zagayowar aiki ga kowane lamba a cikin haɗawa na lamba 4 shine 1/4 (25%). Don cimma irin wannan hasken da ake gani kamar LED da ake tuƙa a tsaye a wutar lantarki I, dole ne kololuwar wutar lantarki a lokacin ramin aikinta ya zama kusan 4I. Dole ne a duba wannan da ƙimar kololuwar wutar lantarki (90mA).
• Ragewar Wutar Lantarki:Sanya capacitor na yumbu 0.1µF kusa da fil ɗin wutar lantarki na tsarin nunin don daidaita buƙatun wutar lantarki mai bugun jini na haɗawa.
• Kusurwar Dubawa:Fasalin "kusurwar dubawa mai faɗi" yana da amfani ga aikace-aikacen da nunin zai iya zama ana duba shi daga wuraren da ba a kan axis ba. Haɗa PCB ya kamata a yi la'akari da layukan gani na mai amfani da aka yi niyya.

8. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tsofaffin fasahohi kamar daidaitattun LED na jan GaAsP ko GaP, LED Jan Hyper na AlInGaP yana ba da ingantaccen inganci mai haske sosai, yana haifar da mafi girma haske don irin wannan wutar lantarki tuƙi ko ƙananan amfani da wutar lantarki don irin wannan haske. Tsawon zango na 650nm yana ba da launin ja mai raɗaɗi, mai zurfi. Idan aka kwatanta da tsarin anode gama gari, tsarin katod gama gari yawanci ya fi dacewa don mu'amala tare da microcontrollers na zamani, waɗanda suka fi kyau wajen jefa wutar lantarki (zuwa ƙasa) fiye da samar da shi. Tsayin lamba 0.56-inch ya sanya shi cikin rukunin da ya dace da duban nesa-tsaka, wanda ya fi girma fiye da ƙananan nunin SMD amma ƙanana fiye da manyan raka'a masu hawa panel.

9. Tambayoyin da ake yawan yi (FAQ)

Q: Shin zan iya tuƙa wannan nunin tare da ƙarfin wutar lantarki DC akai-akai ba tare da haɗawa ba?

A: A zahiri i, amma ba shi da inganci sosai kuma yana buƙatar adadi mai yawa na fil ɗin I/O (ɗaya kowane sashi kowane lamba). Haɗawa shine hanyar aiki da aka yi niyya kuma mafi kyau.

Q: Me yasa ƙimar kololuwar wutar lantarki ta fi girma fiye da ƙimar wutar lantarki ta ci gaba?

A

Q: Menene manufar matsakaicin daidaiton ƙarfin haske?

A: Yana ba da garantin daidaiton gani. Ba tare da wannan ƙayyadaddun ba, wani sashi (misali, sashi A) zai iya zama a fili yana da haske ko duhu fiye da wani (misali, sashi D) a cikin lamba ɗaya, yana haifar da bayyanar mara daidaito, mara ƙwararru.

Q: Ta yaya zan iya ƙididdige matsakaicin amfani da wutar lantarki?

A: Don nunin da aka haɗa, ƙididdige wutar lantarki don sashi ɗaya lokacin da aka haskaka shi (I_{F_peak}* V_F), ninka ta adadin sassan da aka haskaka a cikin lamba na al'ada (misali, 7 don "8"), sannan a ninka ta zagayowar aiki (1/4 don mux na lamba 4). Wannan yana ba da matsakaicin wutar lantarki don lamba ɗaya. Ninka da 4 don jimlar wutar lantarki na tsarin. Ka tuna don haɗa amfani da IC mai tuƙi da kansa.

10. Ka'idar Aiki

Na'urar tana aiki bisa ka'idar electroluminescence a cikin haɗin gwiwar p-n semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce ƙarfin kunna diode (kusan 2.1-2.6V) a kan sashin LED na AlInGaP, ana shigar da electrons da ramuka cikin yanki mai aiki inda suke sake haɗuwa. Wannan tsarin sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske) tare da siffar tsawon zango na bandgap kayan AlInGaP, wanda ke cikin yankin jan hyper (~650nm). An tsara kewayawar ciki a cikin matrix (katod gama gari kowane lamba, anodes gama gari kowane nau'in sashi) don ba da damar haɗawa ta rarraba lokaci, inda lamba ɗaya kawai ke aiki da lantarki a kowane lokaci, amma duk suna bayyana suna haskakawa saboda bincike mai sauri na bi da bi.

11. Mahallin Masana'antu da Trends

Nunai kamar LTC-5753JD-01 suna wakiltar fasaha mai girma kuma amintacce. Duk da yake sabbin fasahohin nunin kamar OLEDs da LCDs mai ƙima mai girma suna ba da ƙarin sassauci don zane-zane da rubutun al'ada, nunin LED mai sassa bakwai sun kasance suna rinjaye a cikin aikace-aikacen da ke ba da fifikon amincin gaske, babban haske, faɗin kusurwoyin dubawa, ƙananan farashi, da sauƙi—musamman a cikin masana'antu, motoci, da wuraren waje. Trend a cikin wannan ɓangaren yana zuwa ga mafi inganci (lumens da yawa kowace watt), yana ba da damar rage amfani da wutar lantarki da rage samar da zafi, da kuma zuwa marufi na na'urar hawa saman (SMD) don haɗawa ta atomatik, ko da yake marufi ta hanyar rami kamar wannan ya kasance sananne don ƙira, gyara, da wasu aikace-aikacen da suka ƙunshi ƙarfi. Amfani da manyan kayan semiconductor kamar AlInGaP akan tsofaffin GaAsP sakamako ne kai tsaye na wannan trend ɗin da ke motsa inganci.