Takardar Bayanin Fasaha ta LTC-5689KY LED Display - Tsawon Lamba 0.56-inch - Amber Yellow - Ƙarfin Gaba 2.6V - Ragewar Wutar Lantarki 70mW - Takardar Fasaha ta Turanci

1. Duba Samfurin

LTC-5689KY babban na'ura ne mai aiki mai ƙarfi, mai lamba uku, na'urar nuni ta LED mai sassa bakwai, wanda aka tsara don aikace-aikacen da ke buƙatar karanta lambobi masu haske da bayyananne. Babban aikinsa shine samar da fitarwar lambobi ta gani a cikin na'urorin lantarki kamar kayan aikin ma'auni, kwamfutocin sarrafa masana'antu, kayan aikin gwaji, da kayan amfani na mabukaci.

Babban fa'idar wannan na'urar nuni yana cikin amfani da fasahar LED ta AlInGaP (Aluminum Indium Gallium Phosphide) don sassanta. Wannan tsarin kayan sananne ne don samar da fitarwar haske mai inganci a cikin bakan amber/rawaya, yana ba da haske mafi girma da kyakkyawan gani. Na'urar tana da fuskar baƙi tare da fararen sassa, wanda ke haifar da bayyanar da ya bambanta sosai wanda ke haɓaka iya karantawa, musamman a cikin yanayi daban-daban na hasken muhalli. Sassa masu ci gaba da daidaito suna tabbatar da bayyanar hali mai tsabta da ƙwararru.

Kasuwarmar da aka yi niyya ta haɗa da masu zane da injiniyoyin da ke aiki akan na'urorin da ingantaccen wutar lantarki, aminci, da bayyananniyar sadarwar gani suka fi muhimmanci. Ƙarfinsa na haske da aka rarraba da kuma kunshin da bai ƙunshi gubar ba, mai bin ka'idodin RoHS, sun sa ya dace da ƙirar lantarki na zamani, mai kula da muhalli.

2. Bincike Mai zurfi na Sigogi na Fasaha

2.1 Halayen Hoto da na Gani

Aikin gani shine tsakiyar aikin na'urar nuni. A daidaitaccen gwajin na'urar na 1mA, matsakaicin ƙarfin haske a kowane sashe yana da ƙimar al'ada na 2222 µcd (microcandelas), tare da mafi ƙarancin ƙayyadaddun ƙimar 800 µcd. Wannan matakin haske mai girma yana tabbatar da cewa lambobin suna bayyana cikin sauƙi. Hasken da aka fitar yana da siffa ta madaidaicin tsawon zango (λp) da rinjaye tsawon zango (λd) na 595 nm, yana sanya shi cikin yankin amber-rawaya na bakan gani. Rabin faɗin layin bakan (Δλ) shine 15 nm, yana nuna launi mai tsafta tare da ƙaramin yaduwa zuwa tsayin zango na kusa. Daidaitawar ƙarfin haske tsakanin sassa an ƙayyade shi a rabo na 2:1 ko mafi kyau, yana tabbatar da daidaitaccen haske a duk faɗin na'urar nuni don kallon daidaito.

2.2 Sigogi da Ƙimar Lantarki

Fahimtar iyakokin lantarki yana da mahimmanci don aiki mai aminci. Matsakaicin ƙimar ƙididdiga yana bayyana iyakokin aiki:

• Ragewar Wutar Lantarki a kowane Sashe:70 mW matsakaici.
• Ci gaba da Ƙarfin Gaba a kowane Sashe (I_F):25 mA matsakaici.
• Kololuwar Ƙarfin Gaba a kowane Sashe:60 mA matsakaici, mai amfani a ƙarƙashin yanayin bugun jini (1 kHz, 10% aikin aiki).
• Rage Ƙarfin Gaba:Ana buƙata sama da 25°C a ƙimar 0.33 mA/°C. Wannan yana da mahimmanci don sarrafa zafin jiki.
• Ƙarfin Gaba a kowane Sashe (V_F):Yawanci 2.6V a I_F= 20 mA, tare da matsakaicin 2.6V. Mafi ƙanƙanta shine 2.05V.
• Juyar Ƙarfin (V_R):5 V matsakaici. Wucewa wannan na iya lalata haɗin LED.
• Juyar Ƙarfin (I_R):100 µA matsakaici a V_R= 5V.

2.3 Ƙayyadaddun Zafin Jiki da Muhalli

An ƙididdige na'urar don kewayon zafin aiki na -35°C zuwa +105°C, da kuma daidai kewayon zafin ajiya. Wannan faɗin kewayon yana sa ya dace da mawuyacin yanayi. Ƙimar zafin solder yana da mahimmanci don haɗawa: kayan aikin na iya jure 260°C na tsawon dakika 3 a wuri 1/16 inch ƙasa da matakin wurin zama. Yin bin wannan bayanin yana da mahimmanci don hana lalacewa yayin aikin gudanar da solder.

3. Tsarin Rarrabawa da Rarrabuwa

Takardar bayanin ta bayyana a sarari cewa na'urar "An Rarraba don Ƙarfin Hasken." Wannan yana nufin ana gwada LED ɗin kuma a raba su (bin) bisa ga ƙimar hasken da aka auna a daidaitaccen yanayin gwaji. Wannan tsari yana tabbatar da masu zane suna karɓar abubuwan haɗin gwiwa tare da matakan haske masu daidaito, wanda ke da mahimmanci ga aikace-aikacen da ake amfani da na'urori masu nuni da yama a gefe ko kuma inda ake buƙatar takamaiman mafi ƙarancin haske. Yayin da ba a bayyana takamaiman lambobin bin a cikin wannan ɓangaren ba, ƙimar al'ada (2222 µcd) da mafi ƙanƙanta (800 µcd) suna ba da taga aiki.

4. Bincike na Lanƙwasa Aiki

Takardar bayanin tana nuni ga "Lanƙwasa Halayen Lantarki / Gani na Al'ada" waɗanda ke da mahimmanci don aikin zane mai zurfi. Ko da yake ba a ba da takamaiman jadawali a cikin rubutun ba, irin waɗannan lanƙwasan yawanci sun haɗa da:

• Ƙarfin Gaba (I_F) da Ƙarfin Gaba (V_F):Yana nuna alaƙar da ba ta layi ba, yana taimakawa wajen ƙirar da'irar iyakance ƙarfin lantarki.
• Ƙarfin Hasken (I_V) da Ƙarfin Gaba (I_F):Yana kwatanta yadda fitarwar haske ke ƙaruwa tare da ƙarfin lantarki, yana taimakawa wajen daidaita haske da ƙididdige inganci.
• Ƙarfin Hasken da Zafin Muhalli:Yana nuna raguwar fitarwar haske yayin da zafin jiki ya tashi, mahimmanci ga aikace-aikacen zafi mai girma.
• Rarraba Bakan:Jadawali da ke nuna ƙarfin dangi a tsawon zango, yana tabbatar da kololuwar 595 nm da rabin faɗin 15 nm.

Ya kamata masu zane su tuntubi cikakkiyar takardar bayanin daga mai kera don waɗannan jadawalin don yin takamaiman ƙididdiga don takamaiman yanayin aikinsu.

5. Bayanin Injiniya da Kunshin

5.1 Girman Jiki da Zane

Na'urar nuni tana da tsayin lamba 0.56 inches (14.2 mm). An ba da girman kunshin a cikin zane tare da duk raka'a a cikin milimita. Mahimman ƙa'idodin sune ±0.25 mm sai dai idan an ƙayyade su daban, kuma ƙa'idar motsin ƙugiya ita ce +0.4 mm. Wannan bayanin yana da mahimmanci don ƙirar sawun allon da'ira (PCB), yana tabbatar da dacewa da daidaitawa yayin haɗawa.

5.2 Pinout da Gano Polarity

Na'urar tana amfani da kunshin layi biyu mai ƙugiya 14 (DIP). An saita shi azamannuni na anode gama gari mai yawa. Wannan yana nufin anodes na LED ɗin don kowane lamba suna haɗe tare a ciki (gama gari), yayin da cathodes na kowane sashe (A-G, DP) aka raba a cikin lambobi. An ba da tebur haɗin ƙugiya:

• Ƙugiya 1-7: Cathodes don sassa A, B, C, D, E, F, G bi da bi.
• Ƙugiya 8: Cathode gama gari don maki goma uku (DP1, DP2, DP3).
• Ƙugiya 9, 10, 11: Anodes gama gari don Lamba 3, Lamba 2, da Lamba 1 bi da bi.
• Ƙugiya 12: Anode gama gari don maki goma biyu na hannun dama (DP4, DP5).
• Ƙugiya 13, 14: Cathodes don DP5 da DP4 bi da bi.

Zanen da'ira na ciki yana tabbatar da wannan tsari mai yawa, yana nuna saiti uku na LED ɗin sassa bakwai tare da anodes ɗin su da aka ɗaure zuwa layukan lambobi da cathodes ɗin su da aka ɗaure zuwa layukan sassa.

6. Jagororin Solder da Haɗawa

A matsayin kayan aikin ta hanyar rami, babbar hanyar haɗawa ita ce solder ɗin igiyar ruwa ko solder na hannu. Mahimmin sigar da aka bayar shine bayanin zafin solder mafi girma: 260°C na tsawon dakika 3, wanda aka auna 1.6mm (1/16 inch) ƙasa da matakin wurin zama. Yayin haɗawa, zafin jikin kayan aikin da kansa bai kamata ya wuce matsakaicin zafin ajiya na 105°C ba. Ana ba da shawarar sarrafa daidai don guje wa matsin injiniya akan ƙugiya da kunshin epoxy. Ya kamata a adana kayan aikin a cikin jakunkun su na asali na hana danshi a cikin yanayi mai sarrafawa har sai an yi amfani da su.

7. Bayanin Kunshin da Oda

Lambar sashi ita ce LTC-5689KY. Ma'anar "KY" mai yiwuwa tana nuna launi (Amber Yellow) da yuwuwar wasu siffofi na musamman. An kwatanta na'urar a matsayin "AlInGaP Amber Yellow Multiplex Common Anode Right Hand Decimal" nuni. Daidaitaccen kunshin irin waɗannan abubuwan DIP yawanci yana cikin bututun anti-static ko trays. Ya kamata masu zane su tabbatar da ainihin adadin kunshin (misali, guda 50 a kowane bututu) tare da mai rarrabawa ko mai kera.

8. Shawarwarin Aikace-aikace da Abubuwan Ƙira

8.1 Yanayin Aikace-aikace na Al'ada

• Kayan Aikin Gwaji da Ma'auni:Digital multimeters, masu ƙidaya mitar, wutar lantarki.
• Sarrafa Masana'antu:Mitan panel don zafin jiki, matsa lamba, gudun, ko nunin ƙidaya.
• Kayan Amfani na Mabukaci:Oven na microwave, kayan aikin sauti, tsofaffin samfuran agogo/ma'auni.
• Bayan Kasuwar Motoci:Ma'auni da karantawa inda ake buƙatar haske mai girma.

8.2 Muhimman Bayanan Ƙira

1. Da'irar Tuƙi:Kasancewar anode gama gari, nuni mai yawa, yana buƙatar IC mai tuƙi ko microcontroller mai iya nutsewar ƙarfin lantarki (don tuƙi cathodes sashe) da tushen ƙarfin lantarki (don tuƙi anodes lamba). Ƙa'idodin resistors masu iyakance ƙarfin lantarki suna wajibi ne ga kowane layin cathode sashe.
2. Yawan Aiki:Ana haskaka lambobin ɗaya bayan ɗaya cikin sauri. Dole ne ƙimar sabuntawa ta yi girma sosai (yawanci >60 Hz) don guje wa kyan gani. Aikin aiki yana ƙayyade hasken da ake gani; kololuwar ƙarfin lantarki na iya zama mafi girma fiye da ƙimar DC kamar yadda takardar bayanin ta nuna.
3. Gudanar da Zafin Jiki:Ku bi lanƙwasa raguwar ƙarfin gaba sama da 25°C. A cikin aikace-aikacen zafin muhalli mai girma, rage ƙarfin aiki don ci gaba da kasancewa cikin iyakokin ragewar wutar lantarki.
4. Kusurwar Dubawa:Faɗin kusurwar dubawa yana da fa'ida, amma shimfidar PCB ya kamata ya sanya na'urar nuni don mafi kyawun layukan gani na mai amfani.

9. Kwatanta Fasaha da Bambance-bambance

Idan aka kwatanta da tsofaffin GaP (Gallium Phosphide) ko daidaitattun GaAsP (Gallium Arsenide Phosphide) LED rawaya, fasahar AlInGaP a cikin LTC-5689KY tana ba da ingantaccen inganci da haske sosai. Wannan yana haifar da mafi kyawun gani a cikin yanayi masu haske ko a nesa mai nisa don ƙarfin tuƙi iri ɗaya. Zanen fuskar baƙi/fararen sashe yana ba da bambanci mafi girma fiye da duk kunshin da aka watsa. Idan aka kwatanta da na'urori masu nuni na zamani na saman-mount (SMD) sassa bakwai, wannan sigar ta hanyar rami tana da sauƙin yin samfuri tare da kuma ana iya fifita shi don aikace-aikacen da ke buƙatar ƙarfin ƙarfi a kan girgiza ko don gyara na hannu.

10. Tambayoyin da ake yawan yi (Dangane da Sigogi na Fasaha)

Q: Menene manufar ƙimar kololuwar ƙarfin gaba (60mA a 1kHz, 10% aikin aiki)?

A: Wannan ƙimar yana ba ku damar buga LED tare da ƙarfin lantarki mafi girma yayin yawan aiki don cimma mafi girman hasken da ake gani. Tunda kowane lamba yana kan ɗan lokaci kaɗan (misali, 1/3 aikin aiki don lambobi 3), matsakaicin wutar lantarki da samar da zafi sun kasance cikin iyaka, yayin da fitarwar haske na take yana da haske.

Q: Ta yaya zan ƙididdige ƙimar resistor mai iyakance ƙarfin lantarki?

A: Yi amfani da Dokar Ohm: R = (V_wadata- V_F) / I_F. Don wadata 5V, al'ada V_Fna 2.6V, da kuma I_Fda ake so na 20mA: R = (5 - 2.6) / 0.02 = 120 Ω. Koyaushe yi amfani da matsakaicin V_Fdaga takardar bayanin don ƙira mai ra'ayin mazan jiya don tabbatar da ƙarfin lantarki bai wuce iyaka ba.

Q: Zan iya tuƙa wannan na'urar nuni ba tare da yawan aiki ba?

A: Ee, amma ba shi da inganci. Za ku buƙaci haɗa kowane anode gama gari na lamba zuwa V_wadatakuma sarrafa kowane cathode sashe daban don duka lambobi uku lokaci guda. Wannan yana buƙatar ƙarin fil ɗin microcontroller ko tashoshi masu tuƙi (sassa 7 x lambobi 3 = layuka 21 da layuka 7+3=10 don yawan aiki).

11. Misalin Ƙira da Amfani na Aiki

Yi la'akari da ƙirar mita mai lamba uku mai sauƙi. Microcontroller tare da mai canza analog-zuwa-lambar (ADC) yana karanta ƙarfin lantarki. Firmware ɗin yana auna wannan ƙimar kuma yana ƙayyade waɗanne sassa za a haskaka don kowane lamba (ɗari, goma, raka'a). Sa'an nan kuma yana amfani da tsarin yawan aiki: yana saita tsarin sashe akan ƙugiyoyin cathode 1-7 da 8/13/14 don ƙima, sa'an nan kuma yana kunna anode don Lamba 1 (ƙugiya 11) na 'yan milliseconds. Sa'an nan kuma yana canza tsarin sashe don lamba na gaba kuma yana kunna anode na Lamba 2 (ƙugiya 10), da sauransu, yana zagayawa akai-akai. An sanya resistors masu iyakance ƙarfin lantarki a jere tare da kowane 7 manyan layukan cathode sashe (ƙugiya 1-7). Ana iya daidaita haske ta hanyar bambanta aikin aiki ko ƙimar resistors masu iyakance ƙarfin lantarki a cikin ƙayyadaddun iyakoki.

12. Gabatarwar Ka'idar Fasaha

Nuni mai sassa bakwai tarin light-emitting diodes (LEDs) ne da aka tsara a cikin tsarin adadi takwas. Ta hanyar haskaka takamaiman sassa (masu lakabi A zuwa G), ana iya samar da kowane lamba daga 0 zuwa 9. LTC-5689KY ya ƙunshi irin waɗannan tarin lambobi uku a cikin kunshi ɗaya. Yawan aiki wata dabara ce inda waɗannan lambobin suke raba daidaitattun layukan sarrafa sassa. Lamba ɗaya kawai ke kunna a kowane lokaci, amma ta hanyar zagayawa da su cikin sauri, idon ɗan adam yana ganin duk lambobin a matsayin suna haskakawa akai-akai. Wannan yana rage yawan ƙugiyoyin sarrafawa da amfani da wutar lantarki sosai. Kayan semiconductor na AlInGaP da aka yi amfani da shi yana fitar da haske lokacin da electrons suka sake haɗuwa tare da ramuka a faɗin bandgap na kayan, wanda aka ƙera don dacewa da photons tare da tsawon zango kusan 595 nm (amber-rawaya).

13. Trends na Masana'antu da Ci gaba

Trend a fasahar nuni yana ƙwarai zuwa ga na'urori na saman-mount (SMDs) don haɗawa ta atomatik, mafi girman yawa, da ƙirar ƙira mai ƙarancin bayyanawa. Yayin da na'urori masu nuni ta hanyar rami kamar LTC-5689KY suka kasance masu mahimmanci don ƙarfi, iya aiki, da wasu aikace-aikacen masana'antu, sabbin ƙira sau da yawa suna zaɓar SMD sassa bakwai ko ƙara yawa, matrix OLED ko LCD displays waɗanda ke ba da damar haruffa da zane. Koyaya, don fitarwar lambobi kawai inda haske mai tsanani, faɗin kewayon zafin jiki, da sauƙi suka kasance mahimmanci, LED sassa bakwai, musamman waɗanda ke amfani da kayan aiki masu inganci kamar AlInGaP, suna ci gaba da samun kwanciyar hankali a kasuwa. Ci gaba yana mai da hankali kan haɓaka inganci (lumens a kowace watt), inganta rabon bambanci, da ba da faɗin kusurwar dubawa a cikin ƙananan siffofi.