LTD-5023AJR 0.56-inch AlInGaP Super Red LED Display Datasheet - Tsawon Lambobi 14.22mm - Karfin Gaba 2.6V - Rage Wutar Lantarki 70mW - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTD-5023AJR babban na'ura ne mai nuna lambobi bakwai na LED, mai ƙarancin wutar lantarki. Babban aikinsa shine samar da fitarwar lambobi da haruffa masu haske da bayyananne don na'urorin lantarki da ke buƙatar karatun dijital. Fasahar tushe ta dogara ne akan kayan semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide), wanda aka ƙera musamman don samar da launin ja mai ƙarfi tare da inganci da aminci.

Ana rarraba na'urar a matsayin nau'in "common cathode", ma'ana duk cathodes na LED na kowane lamba suna haɗuwa a ciki. Wannan tsari yana sauƙaƙa kewayen sarrafawa, musamman don aikace-aikacen multiplexed. Yana da alamar maki goma na hannun dama a kowane lamba, yana ba da damar wakilcin lambobi mai sassauci. Ana siffanta nuni da tsarin gina jiki mai ƙarfi, yana ba da fa'idodi akan tsofaffin fasahohi kamar na'urori masu haske ko na'urori masu ƙonewa dangane da juriya ga girgiza, tsawon rayuwa, da ingancin wutar lantarki.

2. Zurfafa Cikin Ƙayyadaddun Fasaha

2.1 Halayen Hoto da Na'urar Gani

Aikin gani shine tsakiyar aikin wannan nuni. Ana ayyana babban launi a matsayin "super red", wanda aka samu ta hanyar guntu na AlInGaP. Manyan ma'auni na gani da aka auna a yanayin zafin muhalli na 25°C sun haɗa da:

• Matsakaicin Ƙarfin Hasken (I_V):Ya bambanta daga mafi ƙanƙanta na 320 µcd zuwa matsakaicin matsakaici na 700 µcd lokacin da ake tuƙa shi da ƙaramin ƙarfin gaba (I_F) na 1mA a kowane sashi. Wannan haske mai girma a ƙaramin ƙarfi babban siffa ce.
• Matsakaicin Tsawon Tsawon Tsawon (λ_p):Yawanci nanomita 639 (nm). Wannan yana ayyana takamaiman wuri mafi girma a cikin bakan hasken da aka fitar.
• Matsakaicin Tsawon Tsawon (λ_d):Yawanci 631 nm. Wannan shine tsawon zango da idon ɗan adam ke gani kuma yana da mahimmanci don ƙayyadaddun launi.
• Rabin Faɗin Layin Bakan (Δλ):Kimanin 20 nm. Wannan ma'auni yana nuna tsaftar bakan ko kunkuntar bandejin hasken da aka fitar.
• Matsakaicin Daidaitawar Ƙarfin Hasken (I_V-m):Matsakaicin 2:1 a I_F=1mA. Wannan yana tabbatar da daidaito a cikin haske tsakanin sassa daban-daban na lamba ɗaya, mai mahimmanci don bayyanar gani mai daidaito.

Duk ma'aunin ƙarfin haske ana yin su ta amfani da na'urar firikwensin da tacewa wanda aka daidaita zuwa lanƙwan amsawar ido na CIE photopic, yana tabbatar da dacewar bayanai ga hangen nesa na ɗan adam.

2.2 Ƙididdiga na Lantarki da Cikakken Matsakaici

Bin waɗannan ƙididdiga yana da mahimmanci don aiki mai aminci da hana lalacewa ta dindindin ga na'urar.

• Ci gaba da Ƙarfin Gaba a kowane Sashi:Cikakken matsakaici shine 25 mA. Ana amfani da ma'aunin rage layi na 0.33 mA/°C don yanayin zafin muhalli (T_A) sama da 25°C.
• Matsakaicin Ƙarfin Gaba a kowane Sashi:Matsakaicin 90 mA, amma kawai a ƙarƙashin yanayin bugun jini tare da aikin aiki 1/10 da faɗin bugun jini na 0.1ms. Wannan yana ba da damar tuƙi na ɗan gajeren lokaci don samun mafi girman haske a cikin tsarin multiplexed.
• Rage Wutar Lantarki a kowane Sashi:Matsakaicin 70 mW. Wannan iyaka, haɗe da ƙimar ƙarfin gaba, yana ƙayyade matsakaicin ƙarfin gaba da aka halatta a ƙarƙashin yanayin aiki.
• Juyawar Ƙarfin Lantarki a kowane Sashi:Matsakaicin Volts 5. Wuce wannan na iya lalata haɗin LED.
• Ƙarfin Gaba a kowane Sashi (V_F):Yawanci 2.6V, tare da matsakaicin 2.6V a gwajin ƙarfi (I_F) na 20mA. An jera mafi ƙanƙanta a matsayin 2V.
• Juyawar Ƙarfin Lantarki a kowane Sashi (I_R):Matsakaicin 100 µA lokacin da aka yi amfani da juyawar ƙarfin lantarki (V_R) na 5V.

2.3 Ƙayyadaddun Zafi da Muhalli

• Kewayon Zafin Aiki:-35°C zuwa +85°C. Wannan faɗin kewayon yana sa nuni ya dace da yanayi daban-daban, daga sarrafa masana'antu zuwa na'urorin lantarki na mabukaci.
• Kewayon Zafin Ajiya:-35°C zuwa +85°C.
• Zafin Solder:Na'urar na iya jure zafin solder na 260°C na dakika 3, wanda aka auna inci 1/16 (kimanin 1.6mm) a ƙasa da filin zama. Wannan ya dace da daidaitattun hanyoyin solder reflow marasa gubar.

3. Tsarin Rarraba da Rarrabawa

Takardar bayanan ta bayyana a sarari cewa an "rarraba na'urar don ƙarfin haske." Wannan yana nuna tsarin rarraba samarwa inda ake rarraba nunin bisa ga ƙimar hasken da aka auna a daidaitaccen gwajin ƙarfi (mai yiwuwa 1mA ko 20mA). Ana ayyana kwandon ta hanyar mafi ƙanƙanta da/ko ƙimar ƙarfi na yau da kullun (misali, kewayon 320-700 µcd). Wannan yana ba masu ƙira damar zaɓar sassa tare da matakan haske masu daidaito don aikace-aikacensu, yana tabbatar da bayyanar daidaito a cikin raka'a da yawa a cikin samfur. Duk da ba a cikakken bayani a cikin wannan takarda ta musamman ba, na'urori iri ɗaya sau da yawa suna da kwandon don ƙarfin gaba (V_F) da tsayin zango mai rinjaye (λ_d) don tabbatar da daidaiton lantarki da launi.

4. Bincike na Lanƙwan Ayyuka

Takardar bayanan tana nuni ga "Lanƙwan Halayen Lantarki/Hoto na Yau da Kullun." Ko da yake ba a ba da takamaiman zane-zane a cikin rubutun ba, daidaitattun lanƙwan don irin wannan na'urar za su haɗa da:

• Ƙarfin Gaba vs. Ƙarfin Gaba (Lanƙwan I-V):Yana nuna alaƙar ma'auni, mai mahimmanci don ƙirar kewayen iyakance ƙarfi. Ƙarfin gwiwa yana kusa da na yau da kullun V_Fna 2.6V.
• Ƙarfin Hasken vs. Ƙarfin Gaba (Lanƙwan I-L):Yana nuna yadda fitarwar haske ke ƙaruwa tare da ƙarfi, yawanci a cikin alaƙar kusa da layi a cikin kewayon aiki. Yana nuna inganci mai girma a ƙananan ƙarfi (1mA).
• Ƙarfin Hasken vs. Yanayin Zafin Muhalli:Yana nuna raguwar fitarwar haske yayin da zafin haɗin ke tashi, mai mahimmanci don aikace-aikacen zafi mai girma ko ƙarfin wutar lantarki.
• Lanƙwan Rarraba Bakan:Zane na ƙarfin dangi akan tsawon zango, mai tsakiya a kusa da yankin 631-639 nm tare da ƙayyadadden rabin faɗin 20 nm.

5. Bayanin Injiniya da Kunshin

5.1 Girman Jiki

Nuni yana da tsayin lamba na inci 0.56 (14.22 mm). An yi nuni ga zanen girman kunshin, yana ƙayyade duk ma'aunai a cikin milimita tare da daidaitaccen jurewa na ±0.25mm sai dai idan an lura da haka. Kunshin jiki yana ɗauke da cikakkun lambobi bakwai guda biyu tare da maki goma na kansu.

5.2 Haɗin Fil da Kewayen Ciki

Na'urar tana da tsarin fil 18. An ayyana fil a sarari:

• Fil 1-12, 15-18: Haɗin Anode don sassa daban-daban (A-G, DP) na Lamba 1 da Lamba 2.
• Fil 13 da 14: Common Cathode na Lamba 2 da Lamba 1, bi da bi.

Zanen kewayen ciki yana nuna tsarin common cathode: duk LED na lamba da aka bayar suna raba filin cathode guda ɗaya, yayin da kowane sashi (da maki goma) yana da nasa filin anode mai zaman kansa. Wannan shine daidaitaccen tsari don common cathode, nuni mai lamba da yawa.

6. Jagororin Solder da Taro

Babban ƙayyadaddun taro da aka bayar shine bayanin martabar solder: 260°C na dakika 3 a wuri 1.6mm a ƙasa da filin zama. Wannan ya yi daidai da ma'auni na IPC/JEDEC don sake solder na'urar da aka ɗora a saman. Mafi kyawun ayyuka sun haɗa da:

• Yin amfani da tanda reflow mai sarrafawa tare da bayanin martaba wanda ke haɓaka zuwa kuma yana sanyaya daga matsakaicin zafin jiki yadda ya kamata don rage matsin zafi.
• Guji solder da hannu kai tsaye zuwa kunshin LED don hana zafi da lalata guntu na semiconductor ko ruwan tabarau na filastik.
• Tabbatar da an adana nuni a cikin yanayi mai bushewa kafin haɗawa don hana ɗaukar danshi, wanda zai iya haifar da "popcorning" yayin sake dawowa.

7. Shawarwarin Aikace-aikace

7.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan nuni yana da kyau don aikace-aikacen da ke buƙatar karatun lambobi masu haske, ƙarancin wutar lantarki:

• Kayan Awo da Auna:Multimeters, ƙididdiga mitar, wadatar wutar lantarki.
• Sarrafa Masana'antu:Mita na panel, nuna alamar tsari, nuna lokaci.
• Kayan Lantarki na Mabukaci:Kayan aikin sauti (masu ƙara ƙarfi, masu karɓa), kayan aikin dafa abinci, agogo.
• Bayan Kasuwan Motoci:Ma'auni da kayan aikin bincike (inda ƙayyadaddun muhalli suka dace).

7.2 Abubuwan Tunani na Ƙira

• Iyakance Ƙarfi:LED na'urori ne masu tuƙi. Dole ne a tuƙi kowane filin anode ta hanyar resistor mai iyakance ƙarfi na jerin. Ana ƙididdige ƙimar resistor kamar R = (V_wadata- V_F) / I_F. Yin amfani da na yau da kullun V_Fna 2.6V da wanda ake so I_Fna 5-10mA don kyakkyawan haske ya zama gama gari.
• Multiplexing:Don nunin lambobi da yawa, ana amfani da multiplexing don sarrafa sassa da yawa tare da ƙananan fil masu tuƙi. Wannan ya haɗa da saurin zagayawa wutar lantarki tsakanin common cathode na kowane lamba yayin haskaka sassan da suka dace. Ƙirar common cathode na LTD-5023AJR ta dace da wannan. Ƙimar ƙarfin kololuwa (90mA) tana ba da damar mafi girman ƙarfin nan take yayin ɗan gajeren bugun jini na multiplexing don samun matsakaicin haske kwatankwacin ƙarancin ƙarfi mai ci gaba.
• Haɗin Microcontroller:Yawanci yana buƙatar filin GPIO ko takamaiman IC mai tuƙa LED (kamar mai rijistar motsi ko direba mai ƙarfi akai) don sarrafa anodes da transistor (NPN ko N-channel MOSFET) don zubar da ƙarfi daga kowane filin cathode na gama gari yayin multiplexing.
• Kusurwar Dubawa:Takardar bayanan ta ambaci "faɗin kusurwar dubawa," wanda ke da amfani ga aikace-aikacen da za a iya duba nuni daga wuraren da ba su da axis.

8. Kwatancen Fasaha da Bambance-bambance

LTD-5023AJR ya bambanta kansa ta hanyar siffofi masu mahimmanci da yawa:

• Fasahar AlInGaP:Idan aka kwatanta da tsofaffin LED na GaAsP ko GaP, AlInGaP yana ba da inganci mai haske sosai, musamman a cikin bakan ja/lemu/amber, yana haifar da fitarwa mai haske a ƙananan ƙarfi.
• Aikin Ƙarancin Ƙarfi:Gwaji bayyananne da zaɓi don kyawawan halaye na ƙarancin ƙarfi (har zuwa 1mA/sashi) ya sa ya fi kyau ga aikace-aikacen da ke da ƙarfin baturi ko masu kula da makamashi inda kowane milliamp yake ƙidaya.
• Daidaitawar Sashi:Tabbacin daidaiton daidaiton ƙarfin haske (2:1 matsakaici) yana tabbatar da daidaiton gani, wanda ba koyaushe ake bayarwa tare da ƙananan nunin ba.
• Bambanci:Haɗuwar fuskar launin toka mai haske da launin sashi na fari, tare da babban haske, yana ba da gudummawa ga kyakkyawan bayyanar haruffa da babban bambanci don sauƙin karantawa.

9. Tambayoyin da ake yawan yi (Dangane da Ma'auni na Fasaha)

Q: Shin zan iya tuƙa wannan nuni kai tsaye daga filin microcontroller na 5V?

A: A'a. Dole ne ka yi amfani da resistor mai iyakance ƙarfi a cikin jerin tare da kowane anode. Don wadata 5V da ƙarfin da ake nufi na 10mA, resistor zai kasance kusan (5V - 2.6V) / 0.01A = 240 Ohms.

Q: Menene bambanci tsakanin tsayin zango mai kololuwa da tsayin zango mai rinjaye?

A: Tsayin zango mai kololuwa shine wurin jiki mafi girman ƙarfin fitarwa daga LED. Tsayin zango mai rinjaye shine fahimtar launi guda ɗaya ta idon ɗan adam, wanda zai iya bambanta kaɗan. An ba da duka biyun don cikakken ƙayyadaddun gani.

Q: Ta yaya zan yi amfani da lambobi biyu daban?

A: Kuna sarrafa su ta hanyar filayen cathode na gama gari daban-daban (Fil 14 don Lamba 1, Fil 13 don Lamba 2). Ta hanyar juya cathode ɗaya ƙasa (ƙasa) yayin ajiye ɗayan sama (an cire haɗin), zaku iya zaɓar wanne lamba ke aiki. Sa'an nan, yi amfani da ƙarfin lantarki ga filayen anode don sassan da kuke son haskaka akan wannan lamba.

Q: Shin wannan nuni ya dace da amfani a waje?

A: Kewayon zafin aiki (-35°C zuwa +85°C) yana da ƙarfi sosai. Duk da haka, takardar bayanan ba ta ƙayyade ƙimar Shigar Kariya (IP) akan ƙura da ruwa ba. Don amfani a waje, zai buƙaci ƙarin murfin kariya ko akwati.

10. Misalin Ƙira da Amfani na Aiki

Yanayi: Ƙirar karatun voltmeter mai lamba biyu mai sauƙi ta amfani da microcontroller.

1. Haɗin Kayan Aiki:Haɗa fil 18 na nuni zuwa tsarin microcontroller. Filayen cathode na gama gari guda biyu (13, 14) an haɗa su zuwa transistors NPN guda biyu (misali, 2N3904), tare da masu tara transistor zuwa cathodes, masu fitarwa zuwa ƙasa, da tushe zuwa filayen GPIO na microcontroller ta hanyar resistors na tushe. Filayen anode 16 (don sassan A-G da DP na lambobi biyu) an haɗa su zuwa filayen GPIO 16 na microcontroller, kowanne ta hanyar resistor mai iyakance ƙarfi na 220-330 Ohm.
2. Dabarun Software (Multiplexing):Firmware yana gudanar da katsewar timer kowane 'yan millisecond. A cikin aikin hidimar katsewa:
   • Kashe duka transistors masu tuƙa cathode (saita GPIOs sama).
   • Saita GPIOs don filayen anode waɗanda suka dace da sassan da ake buƙatar KASHE donLamba 1.
   • Kunna transistor donLamba 1 tacathode (saita GPIO ƙasa).
   • Jira na ɗan gajeren lokaci (misali, 1-5ms).
   • Kashe cathode na Lamba 1.
   • Saita GPIOs don filayen anode donLamba 2.
   • Kunna transistor donLamba 2 ta cathode.
   • Jira na ɗan gajeren lokaci.
   • Maimaita. Idon ɗan adam yana ganin wannan saurin canzawa a matsayin duka lambobi suna ci gaba da haskakawa.
3. Ƙididdigar Ƙarfi:Idan kowane lamba yana KASHE na 50% na lokaci (aikin aiki 50%) kuma kuna son matsakaicin ƙarfin sashi na 5mA, za ku saita ƙarfin nan take yayin lokacin KASHE zuwa 10mA. Za a ƙididdige ƙimar resistor ta amfani da wannan adadi na 10mA.

11. Ka'idar Aiki

Na'urar tana aiki bisa ka'idar electroluminescence a cikin haɗin P-N na semiconductor. Lokacin da aka yi amfani da ƙarfin gaba wanda ya wuce ƙarfin da aka gina a cikin haɗin (kimanin 2.0-2.6V don AlInGaP), electrons daga kayan N-type suna sake haɗuwa da ramuka daga kayan P-type a cikin yanki mai aiki. Wannan taron sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin lattice crystal na AlInGaP yana ƙayyade ƙarfin bandgap, wanda kai tsaye yana ƙayyade tsayin zango (launi) na hasken da aka fitar—a wannan yanayin, a cikin bakan ja (631-639 nm). Sassan bakwai sune guntu na LED daban-daban waɗanda aka tsara a cikin tsarin adadi takwas. Ta hanyar zaɓin ƙarfafa haɗuwa daban-daban na waɗannan sassan, ana iya samar da lambobi 0-9 da wasu haruffa.

12. Trends na Fasaha da Mahallin

Wannan samfurin yana wakiltar wani balagagge kuma ingantaccen sashe na fasahar nuni na LED. AlInGaP tsarin kayan da aka kafa sosai ne don ingantacciyar LED ja, lemu, da amber. Trends na yanzu a fasahar nuni suna matsawa zuwa mafi girman yawa, cikakkun mafita masu launi kamar OLEDs da micro-LEDs don zane-zane masu rikitarwa. Duk da haka, nunin LED na sassa bakwai sun kasance ba za a iya maye gurbinsu ba a aikace-aikacen da ke ba da fifikon amincin gaske, tsawon rayuwa (sau da yawa ya wuce sa'o'i 100,000), ƙarancin farashi, babban haske, sauƙin haɗin kai, da kyakkyawan karantawa a cikin yanayin haske daban-daban. Ci gaban a wannan fanni yana mai da hankali kan ƙara ƙara inganci (lumens a kowace watt), inganta matsakaicin bambanci, da ba da damar ƙananan ƙarfin tuƙi don na'urorin IoT masu ƙarancin wutar lantarki, yana tabbatar da ci gaba da dacewar wannan fasaha a cikin masana'antu, kayan aiki, da takamaiman aikace-aikacen mabukaci na gaba.