LTP-4323JD LED Display Datasheet - 0.4-inch Digit Height - Hyper Red Color - 2.6V Forward Voltage - 70mW Power Dissipation - Takardun Fasaha na Hausa

1. Bayyani Game da Samfur

LTP-4323JD wani tsari ne na nuni mai haruffa biyu, wanda aka ƙera don aikace-aikacen da ke buƙatar karanta lambobi da wasu haruffa a sarari da haske. Fasahar sa ta asali ta dogara ne akan kayan semiconductor na Aluminium Indium Gallium Phosphide (AlInGaP), wanda aka ƙera musamman don fitar da haske a cikin kewayon Hyper Red. Zaɓin wannan kayan, wanda aka girma akan wani tushe na Gallium Arsenide (GaAs) marar gani, yana ba da ingantacciyar inganci da haske don fitar da ja idan aka kwatanta da tsofaffin fasahohi. Na'urar tana da fuskar launin toka tare da sassuna fari, yana ba da bambanci mai girma don ingantaccen karantawa a ƙarƙashin yanayin haske daban-daban. An rarrabe ta don ƙarfin haske, yana tabbatar da aiki iri ɗaya a cikin rukunin samarwa, kuma ana samunsa a cikin kunshin da bai ƙunshi gubar ba wanda ya dace da umarnin RoHS.

1.1 Muhimman Siffofi da Fa'idodi

• Ƙanƙanta da Karantawa:Yana da tsayin lambobi 0.4-inch (10.0 mm), yana sa ya dace da allunan da ke da ƙarancin sarari yayin da yake kiyaye ingantaccen ma'anar haruffa.
• Ingantaccen Aikin Gani:Yana ba da haske mai girma, bambanci mai girma, da faɗin kusurwar kallo saboda guntun LED na AlInGaP da ƙirar sassa masu ci gaba da kaiɗa.
• Mai Amfani da Makamashi:Yana da ƙarancin buƙatun wutar lantarki, yana ba da gudummawar rage yawan amfani da wutar lantarki na tsarin gaba ɗaya.
• Sassauƙan Ƙira:Ana samunsa a cikin tsarin cathode na gama gari (kamar yadda yake a cikin wannan takardar bayanai), yana sauƙaƙa ƙirar da'irar tuƙi don yawancin tsarin da ke da microcontroller.
• Ƙirar Ƙarfi:Yana ba da amintaccen aminci na ƙwaƙƙwaran jiki tare da kyakkyawan bayyanar haruffa kuma yana da sauƙin hawa akan allunan da'ira na yau da kullun (PCBs).
• Daidaitawa da Muhalli:An kunna shi azaman kayan da ba shi da gubar, yana bin ka'idojin muhalli na zamani.

1.2 Aikace-aikace da Kasuwa

An yi amfani da wannan nuni ne a cikin kayan lantarki na yau da kullun a fannoni daban-daban. Aikace-aikacen yau da kullun sun haɗa da allunan kayan aiki, kayan aikin gwaji da aunawa, tsarin siyarwa a wurin siyarwa, hanyoyin sadarwa na sarrafa masana'antu, na'urorin masu amfani, da na'urorin sadarwa. An ƙera shi don aikace-aikacen da ake buƙatar ingantaccen nuni na lambobi da haruffa mai haske da aminci. Takardar bayanai ta faɗi a sarari cewa ba za a yi amfani da wannan ma'aunin kasuwanci na yau da kullun a cikin tsarin masu mahimmanci na aminci (misali, jiragen sama, tallafin rayuwa na likita, sarrafa sufuri) ba tare da tuntuɓar farko ba, yana nuna kasuwarsa ta farko a cikin lantarki na masana'antu da na masu amfani na gabaɗaya.

2. Ƙayyadaddun Fasaha da Fassarar Manufa

Sashe na gaba yana ba da cikakken bincike na haƙiƙa game da halayen lantarki, gani, da zafi na na'urar kamar yadda aka ayyana a cikin takardar bayanai.

2.1 Matsakaicin Matsakaicin Ƙididdiga

Waɗannan ƙididdiga suna ayyana iyakokin damuwa waɗanda za su iya haifar da lalacewa na dindindin ga na'urar. Ba a ba da garantin aiki a ƙarƙashin ko a waɗannan iyakokin ba.

• Rushewar Wutar Lantarki Kowane Sashe:70 mW. Wannan shine matsakaicin wutar lantarki da za a iya watsar da shi ta hanyar sashin LED guda ɗaya ba tare da haɗarin yin zafi sosai ba.
• Matsakaicin Halin Gaba Kowane Sashe:90 mA. Ana ba da izinin wannan halin yanzu kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun 0.1ms) na ɗan lokaci, ba don ci gaba da aiki ba.
• Ci gaba da Halin Gaba Kowane Sashe:25 mA a 25°C. Wannan halin yanzu yana raguwa a layi daya a 0.33 mA/°C yayin da yanayin yanayi (Ta) ya karu sama da 25°C. Misali, a 85°C, matsakaicin halin yanzu na ci gaba zai kasance kusan: 25 mA - ((85°C - 25°C) * 0.33 mA/°C) ≈ 5.2 mA.
• Kewayon Zafin Jiki:Kewayon zafin jiki na aiki da ajiya shine -35°C zuwa +85°C.
• Yanayin Solder:Na'urar na iya jure solder a 260°C na dakika 5, wanda aka auna 1/16 inch (≈1.59 mm) a ƙasa da farantin zama.

2.2 Halayen Lantarki da Gani

Waɗannan sune ma'auni na yau da kullun da matsakaicin/ƙananan ayyuka da aka auna a ƙarƙashin ƙayyadaddun yanayin gwaji (Ta=25°C).

• Matsakaicin Ƙarfin Hasken (Iv):Ya kasance daga 200 μcd (Min) zuwa 650 μcd (Max), tare da ƙimar yau da kullun da aka bayar, an gwada shi a IF=1mA. Wannan yana nuna fitar da haske.
• Ƙarfin Gaba Kowane Sashe (VF):Yawanci 2.6V, tare da matsakaicin da aka ƙayyade, a IF=20mA. Masu ƙira dole ne su tabbatar da cewa da'irar tuƙi na iya samar da isasshen ƙarfin lantarki don cimma halin da ake so a duk raka'a, la'akari da wannan kewayon VF.
• Matsakaicin Tsawon Tsawon Tsakiya (λp):650 nm. Wannan shine tsayin raƙuman ruwa wanda ƙarfin hasken da aka fitar ya fi girma, yana ayyana launin \"Hyper Red\".
• Matsakaicin Tsawon Tsawon Tsakiya (λd):639 nm. Wannan shine tsayin raƙuman ruwa guda ɗaya wanda idon ɗan adam ya gane ya dace da launin hasken, yana da mahimmanci don ƙayyadaddun launi.
• Rabin Faɗin Layin Bakan (Δλ):20 nm. Wannan yana nuna tsaftar bakan; ƙaramin ƙima yana nufin haske mafi monochromatic.
• Halin Baya (IR):Matsakaicin 100 μA a VR=5V. Takardar bayanai ta lura da ƙarfi cewa wannan yanayin ƙarfin baya ne don dalilai na gwaji kawai kuma na'urar ba za ta iya aiki ci gaba ba a ƙarƙashin bambance-bambancen baya.
• Matsakaicin Daidaitawar Ƙarfin Hasken:2:1 matsakaicin ga sassuna a cikin \"yankin haske iri ɗaya.\" Wannan yana ƙayyade bambancin haske da aka yarda tsakanin sassa a cikin harafi ɗaya.
• Maganar Ketare:An ƙayyade shi azaman ≤ 2.5%, yana nufin tsangwama na gani mara so tsakanin sassuna maƙwabta.

3. Tsarin Rarraba da Rarrabawa

LTP-4323JD yana amfani da tsarin rarrabawa don ƙarfin haske. Wannan yana nufin ana gwada raka'o'i kuma an raba su zuwa kwandon ayyuka daban-daban dangane da fitar da hasken da aka auna. Alamar module ta haɗa da mai ganowa \"Z: BIN CODE\". Wannan yana ba masu ƙira damar zaɓar nunin da ke da matakan haske iri ɗaya don bayyanar iri ɗaya a cikin aikace-aikacen raka'a da yawa. Takardar bayanai ba ta ba da cikakkun bayanai game da ƙimar lambobin kwandon ko kewayon ƙarfi da ke da alaƙa da kowace lamba ba, wanda yawanci za a ayyana shi a cikin takardar rarrabawa daban ko kuma an yarda da shi yayin siye.

4. Bincike na Lanƙwasa Aiki

Takardar bayanai tana nufin \"Yanayin Lantarki/Gani na Yau da Kullun.\" Duk da yake ba a ƙayyade takamaiman jadawali a cikin rubutun da aka bayar ba, irin waɗannan lanƙwasan yawanci sun haɗa da:

• Halin Gaba vs. Ƙarfin Gaba (Lanƙwasa I-V):Yana nuna alaƙar da ba ta dace ba, mai mahimmanci don ƙirar direbobi masu ci gaba.
• Ƙarfin Hasken vs. Halin Gaba (Lanƙwasa I-L):Yana nuna yadda fitar da haske ke ƙaruwa tare da halin yanzu, sau da yawa yana zama ƙasa da layi a manyan halayen yanzu saboda tasirin dumama.
• Ƙarfin Hasken vs. Yanayin Yanayi:Yana nuna raguwar fitar da haske yayin da zafin jiki ke ƙaruwa, wanda yake da mahimmanci ga aikace-aikacen da ba a sarrafa yanayin yanayi ba.
• Rarraba Bakan:Makircin ƙarfin dangi da tsayin raƙuman ruwa, yana nuna kololuwa a 650nm da rabin faɗin 20nm.

Waɗannan lanƙwasan suna da mahimmanci don fahimtar halayen na'urar a ƙarƙashin yanayin da ba na daidaitaccen tsari ba (halayen yanzu daban-daban, yanayin zafi) da don inganta ƙira don inganci da tsawon rai.

5. Bayanan Injiniya da Kunshin

5.1 Girman Kunshin

Nuni yana da daidaitaccen ƙafar kunshin biyu a cikin layi (DIP). Muhimman bayanan girma sun haɗa da:

• Duk girma suna cikin milimita tare da juzu'i na gabaɗaya na ±0.25 mm sai dai idan an ƙayyade.
• Juzu'in canjin ƙugiya shine 0.4 mm.
• An saita takamaiman iyakokin inganci don kayan waje akan sassa (≤10 mils), gurɓataccen tawada (≤20 mils), lanƙwasa mai nuna haske (≤1/100 na tsawonsa), da kumfa a cikin sashin (≤10 mils).
• Ana ba da shawarar diamita ramin PCB don jagororin shine Ø1.30mm.

5.2 Pinout da Ganewar Polarity

Na'urar tana da fil 20. Jadawalin da'irar ciki da tebur haɗin fil sun nuna cewacathode na gama garinau'in don wannan takamaiman lambar sashi (LTP-4323JD). Kowane sashin (A, B, C, D, E, F, G, H, K, M, N, P, R, S, T, U, DP) yana da nasa fil ɗin anode. Haruffa biyu suna raba fil ɗin cathode na gama gari (Pin 4 don Harafi 1, Pin 10 don Harafi 2). Pin 14 an jera shi azaman \"Babu Haɗin kai.\" Ganewar daidai na fil ɗin cathode na gama gari yana da mahimmanci don ingantaccen ƙirar da'ira don nutse da halin yanzu daidai.

6. Jagororin Solder da Taro

6.1 Bayanin Solder na atomatik

Don solder ko sake kunnawa, an ƙayyade yanayin azaman 260°C na dakika 5, wanda aka auna 1.59mm (1/16 inch) a ƙasa da farantin zama na kayan. Zafin jikin kayan da kansa yayin haɗawa bai kamata ya wuce matsakaicin ƙimar zafin jiki ba.

6.2 Umarnin Solder na Hannu

Don solder na hannu, ya kamata a shafa ƙarshen ƙarfe 1.59mm a ƙasa da farantin zama. Lokacin solder dole ne ya kasance cikin dakika 5 a zafin jiki na 350°C ±30°C. Wuce waɗannan iyakokin lokaci ko zafin jiki na iya lalata haɗin waya na ciki ko guntun LED.

7. Gwajin Aminci

Na'urar tana fuskantar cikakken jerin gwaje-gwajen aminci dangane da soja (MIL-STD), masana'antu na Japan (JIS), da ma'auni na ciki. Waɗannan gwaje-gwajen suna tabbatar da ƙarfinsa da tsawon rai:

• Gwajin Rayuwar Aiki (RTOL):Sa'o'i 1000 na ci gaba da aiki a matsakaicin halin da aka ƙayyade don gwada lalacewar haske na dogon lokaci da gazawa.
• Gwaje-gwajen Damuwa na Muhalli:Ya haɗa da Ajiyar Zafi/Zafi (500 hrs a 65°C/90-95% RH), Ajiyar Zafi (1000 hrs a 105°C), da Ajiyar Ƙananan Zafin Jiki (1000 hrs a -35°C).
• Zagayowar Zafi & Girgiza:Zagayowar Zafin Jiki (30 zagaye tsakanin -35°C da 105°C) da Girgizar Zafi (30 zagaye tsakanin -35°C da 105°C tare da saurin canji) don gwada gazawar injiniya saboda rashin daidaituwar ƙimar faɗaɗawar zafi (CTE).
• Gwaje-gwajen Solderability:Juriya na Solder (10 sec a 260°C) da Solderability (5 sec a 245°C) suna tabbatar da cewa jagororin za su iya jure tsarin haɗawa.

8. Muhimman Bayanan Aikace-aikace da La'akari da Ƙira

8.1 Gargadi na Ƙira da Ai

• Halin Tuƙi da Gudanar da Zafi:Wuce halin gaba na ci gaba da aka ba da shawarar ko yanayin aiki zai hanzarta lalacewar fitar da haske (ragewar lumen) kuma zai iya haifar da gazawar bala'i da wuri. Dole ne a mutunta lanƙwasa mai layi don halin yanzu.
• Kariyar Da'ira:Da'irar tuƙi dole ne ta haɗa da kariya daga ƙarfin lantarki na baya da saurin canjin ƙarfin lantarki yayin tsarin kunna wutar lantarki ko kashewa, saboda LEDs suna da ƙananan ƙarfin lantarki na baya.
• Tuƙi Mai Ci Gaba:Wannan ita ce hanyar da aka ba da shawarar don tuƙi LED. Yana tabbatar da haske iri ɗaya a cikin raka'o'i da sama da bambancin zafin jiki, kamar yadda yake rama ƙarancin ƙimar zafin jiki na ƙarfin gaba na LED.
• La'akari da Ƙarfin Gaba:Dole ne a ƙera wutar lantarki ko da'irar direba don ɗaukar cikakken kewayon ƙarfin gaba (VF, typ. 2.6V, matsakaicin kamar yadda aka ƙayyade) don tabbatar da cewa an isar da halin tuƙi da aka yi niyya ga duk sassa a ƙarƙashin duk yanayi.

8.2 Ra'ayoyin Da'irar Aikace-aikacen Yau da Kullun

Don nuni na cathode na gama gari kamar LTP-4323JD, ana amfani da tsarin haɗaɗɗiya na yau da kullun don sarrafa sassa 16 a cikin haruffa biyu. Za a sauya fil ɗin cathode na gama gari (4 da 10) zuwa ƙasa a jere (misali, ta transistor), yayin da fil ɗin anode na sashin da ya dace yana tuƙi sama (tare da masu hana halin yanzu ko IC direba mai ci gaba) don haskaka sassan da ake so don wannan harafin. Wannan yana rage adadin fil ɗin microcontroller I/O da ake buƙata. Dole ne ƙirar ta tabbatar da cewa matsakaicin halin yanzu kowane sashin yayin bugun jini na haɗaɗɗiya bai wuce matsakaicin ƙididdiga ba, kuma matsakaicin halin yanzu akan lokaci ya dace da matakin haske da ake so.

9. Fa'idodin Kwatankwacin da Mahallin Fasaha

Amfani da fasahar AlInGaP don LED ja yana wakiltar ci gaba mai mahimmanci akan tsofaffin fasahohi kamar Gallium Arsenide Phosphide (GaAsP). AlInGaP yana ba da ingantacciyar inganci ta waje, yana haifar da fitarwa mai haske don halin shigarwa iri ɗaya. Fitar da \"Hyper Red\" (kololuwa 650nm) kuma ya fi bambanta a gani kuma yana iya ba da ingantaccen aiki a cikin aikace-aikacen da za a iya kallon nuni ta hanyar tacewa ko a cikin hasken rana na yanayi. Ƙirar fuska mai launin toka/sassa fari tana haɓaka bambanci. Idan aka kwatanta da nuni masu sauƙi na sassa 7, tsarin sassa 16 yana ba da damar wakilcin cikakken haruffa (ko da yake yana da iyaka), yana ƙara amfanin na'urar a cikin aikace-aikacen da ke buƙatar saƙon rubutu gajere tare da lambobi.

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

Q: Shin zan iya tuƙa wannan nuni tare da fil ɗin microcontroller 5V kai tsaye?

A: A'a. Matsakaicin ƙarfin gaba shine 2.6V, amma koyaushe ana buƙatar resistor mai iyakancewa don saita halin da ya dace (misali, 20mA). Yin amfani da fil ɗin 5V kawai zai haifar da halin yanzu mai yawa kuma ya lalata sashin LED. Lissafa ƙimar resistor ta amfani da R = (Vcc - Vf) / If.

Q: Menene bambanci tsakanin tsayin raƙuman ruwa da tsayin raƙuman ruwa?

A: Matsakaicin tsayin raƙuman ruwa (650nm) shine kololuwar zahiri na bakan hasken da aka fitar. Matsakaicin tsayin raƙuman ruwa (639nm) shine wurin launi da idon ɗan adam ya gane, wanda zai iya bambanta saboda siffar bakan fitarwa. Dukansu suna da mahimmanci don ƙayyadaddun bayanai.

Q: Me yasa ake ba da shawarar tuƙi mai ci gaba akan ƙarfin lantarki mai ci gaba?

A: Ƙarfin gaba na LED (Vf) yana raguwa yayin da zafin jiki ke ƙaruwa. Tare da samar da ƙarfin lantarki mai ci gaba, wannan zai sa halin yanzu ya ƙaru, yana haifar da ƙarin dumama da guduwar zafi. Tushen halin yanzu mai ci gaba yana kiyaye halin yanzu mai tsayi ba tare da la'akari da bambance-bambancen Vf ba, yana tabbatar da tsayin haske da kare LED.

Q: Ta yaya zan fassara \"Matsakaicin Daidaitawar Ƙarfin Hasken\" na 2:1?

A: Wannan yana nufin sashin mafi haske a cikin \"yankin haske iri ɗaya\" (mai yiwuwa a cikin harafi ɗaya) ba zai wuce sau biyu haske fiye da mafi duhun sashin a cikin wannan yanki ba. Ma'auni ne na daidaito.

11. Misalin Ƙira da Amfani na Aiki

Yanayi: Ƙirar karatun voltmeter mai lambobi biyu mai sauƙi.LTP-4323JD zai dace sosai. ADC na microcontroller yana karanta ƙarfin lantarki, yana canza shi zuwa lambar decimal, kuma yana tuƙa nuni. Firmware zai sarrafa haɗaɗɗiya: yana saita tsarin sashin don lambar goma akan layukan anode, ya kafa fil ɗin cathode na gama gari Pin 4 na ɗan lokaci (misali, 5ms), sannan ya saita tsarin sashin don lambobin raka'a kuma ya kafa fil ɗin cathode na gama gari Pin 10 na tsawon lokaci ɗaya, maimaita da sauri. Dagewar hangen nesa yana haifar da ruɗi na cewa duka lambobin suna kan ci gaba. Ana buƙatar lissafin ƙididdiga na masu hana halin yanzu dangane da ƙarfin wutar lantarki da matsakaicin halin yanzu na sashin da ake so (la'akari da aikin haɗaɗɗiya). Dole ne ƙirar ta haɗa da diodes na kariya idan da'irar tuƙi na iya sanya LED zuwa ƙarfin lantarki na baya.

12. Ka'idar Aiki

Na'urar tana aiki akan ka'idar electroluminescence a cikin haɗin p-n semiconductor. Lokacin da aka yi amfani da ƙarfin gaba wanda ya wuce kofa na diode, electrons daga Layer AlInGaP na n-type suna sake haɗuwa tare da ramuka daga Layer p-type. Wannan taron sake haɗawa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman haɗin gawa na lattice crystal AlInGaP yana ƙayyade ƙarfin bandgap, wanda kai tsaye yana ayyana tsayin raƙuman ruwa (launi) na hasken da aka fitar—a wannan yanayin, a cikin yankin ja kusa da 650 nm. Tushen GaAs marar gani yana ɗaukar duk wani haske da aka fitar zuwa ƙasa, yana inganta inganci gabaɗaya ta hanyar tunani sama. Kowane sashin a cikin nuni yana ƙunshe da ɗaya ko fiye na waɗannan ƙananan guntun LED.

13. Trends na Fasaha da Mahallin

LEDs na tushen AlInGaP suna wakiltar fasaha mai girma kuma an inganta su sosai don fitar da amber, ja, da hyper-red. Duk da yake sabbin kayan kamar Gallium Nitride (GaN) sun mamaye kasuwannin LED blue, kore, da fari, AlInGaP ya kasance jagoran inganci don tsayin raƙuman ruwa masu tsayi. Trends na yanzu a cikin fasahar nuni suna mai da hankali kan ƙananan ƙira (ƙananan lambobi fiye da 0.4-inch), mafi girman yawan pixel (motsawa zuwa matrix matrix ko OLED don cikakkun zane-zane), da ingantaccen inganci (ƙananan halayen tuƙi don haske iri ɗaya). Koyaya, don keɓaɓɓe, babban aminci, babban haske na alamun lambobi da haruffa a cikin yanayi mai tsauri (faɗin yanayin zafi), nunin LED na sassa kamar LTP-4323JD suna ci gaba da zama ingantaccen mafita mai tsada. Ci gaba na gaba na iya haɗawa da haɗa kayan lantarki direba kai tsaye cikin kunshin ko ƙarin gyara kunshin don ingantaccen sarrafa zafi.