LTF-3605KR-01 LED Display Datasheet - 0.3-inch Digit Height - AlInGaP Super Red - 2.6V Forward Voltage - Takardun Fasaha na Turanci

1. Bayyani Game da Samfur

LTF-3605KR-01 wani kayan aiki ne na nunin LED mai lambobi shida da sassa bakwai, wanda aka tsara don aikace-aikacen karanta lambobi. Yana da tsayin lamba 0.3 inches (7.68 mm), yana ba da nunin da ya bayyana sosai kuma ana iya karantawa wanda ya dace da nau'ikan na'urorin lantarki daban-daban. Na'urar tana amfani da fasahar semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide) akan wani abu mai suna GaAs don samar da haske mai launin ja mai ƙarfi. Nunin yana da fuskar baƙi don bambanci mai girma da fararen sassa don mafi kyawun watsa haske da kamanni. Babban fa'idodinsa sun haɗa da ƙarancin amfani da wutar lantarki, daidaiton haruffa mai kyau, haske mai girma, da kuma faɗin kusurwar kallo, wanda ya sa ya zama mai kyau don na'urorin lantarki na masu amfani, kayan aikin aunawa, da kuma allunan sarrafa masana'antu inda ake buƙatar nuna lambobi masu dogaro.

1.1 Siffofi Masu Muhimmanci

• Tsayin Lamba 0.3 inch (7.68 mm)
• Sassa Masu Daidaito Ci gaba don kamanni mai daidaito
• Ƙarancin Bukatar Wutar Lantarki
• Kyakkyawan Kamannin Haruffa
• Hasken Gani Mai Girma & Bambanci Mai Girma
• Faɗin Kusurwar Kallo
• Dogaro Mai Ƙarfi (Solid-State)
• An Rarrabe don Ƙarfin Hasken Gani (Binning)
• Kunshin Ba shi da Gubar (Ya bi Ka'idodin RoHS)

1.2 Bayanin Na'ura

Wannan nunin ne na cathode gama gari (common cathode) mai yawa (multiplex). Kowane lamba daga cikin shida yana raba haɗin cathode ɗinsa, yayin da anodes na kowane sashe (A-G da DP) suka haɗu a kan lambobi, yana buƙatar tsarin tuƙi mai yawa (multiplexed driving scheme). Ya haɗa da maki goma na hannun dama (DP) a kowane lamba.

2. Ma'auni na Fasaha: Cikakken Fassarar Manufa

2.1 Matsakaicin Matsakaicin Ƙimar (Absolute Maximum Ratings)

Waɗannan ƙimar suna ayyana iyakokin da za su iya haifar da lalacewa ta dindindin ga na'urar. An ƙayyade su a yanayin zafin muhalli (Ta) na 25°C.

• Rushewar Wutar Lantarki a kowane Sashe:70 mW. Wannan shine matsakaicin wutar lantarki da za a iya watsar da shi ta hanyar aminci ta kowane sashe na LED.
• Matsakaicin Halin Gaba na Gaba a kowane Sashe:90 mA. Ana ba da izinin wannan kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms) don hana zafi mai yawa.
• Ci gaba da Halin Gaba na Gaba a kowane Sashe:25 mA a 25°C. Wannan halin yana raguwa a layi daya a 0.28 mA/°C yayin da yanayin zafin muhalli ya ƙaru sama da 25°C. Da'irar tuƙi dole ne ta tabbatar da cewa halin bai wuce wannan ƙimar da aka rage ba a matsakaicin zafin aiki.
• Yanayin Aiki & Adanawa:-35°C zuwa +105°C. An ƙididdige na'urar don yanayin zafin masana'antu.
• Yanayin Solder:Ya kamata a yi solder reflow tare da zafin jiki a 1/16 inch ƙasa da filin zama bai wuce 260°C ba na tsawon dakika 3.

2.2 Halayen Lantarki & Gani

Waɗannan sune ma'auni na yau da kullun na aiki da aka auna a Ta=25°C a ƙarƙashin ƙayyadaddun yanayin gwaji.

• Matsakaicin Ƙarfin Hasken Gani (Iv):Ya bambanta daga 320 µcd (m) zuwa 900 µcd (na al'ada) a IF=1mA. A IF=10mA, matsakaicin ƙarfin shine 11,700 µcd. Wannan babban inganci shine halayen fasahar AlInGaP.
• Matsakaicin Tsawon Tsawon Watsawa (λp):639 nm (na al'ada). Wannan yana ayyana wurin launi na farko na watsawar ja mai ƙarfi.
• Rabin Faɗin Layin Bakan (Δλ):20 nm. Wannan yana nuna tsaftar bakan hasken da aka fitar.
• Matsakaicin Tsawon Tsawon (λd):631 nm. Wannan shine tsayin raƙuman ruwa guda ɗaya da idon ɗan adam ke gani lokacin kallon launi.
• Ƙarfin Gaba a kowane Chip (VF):2.6V (matsakaici) a IF=20mA. Dole ne a tsara da'irar tuƙi don ɗaukar wannan matsakaicin raguwar ƙarfin lantarki.
• Halin Koma Baya (IR):100 µA (matsakaici) a VR=5V. Wannan ma'auni ne don dalilai na gwaji kawai; an haramta aiki na ci gaba da koma baya.
• Matsakaicin Daidaiton Ƙarfin Hasken Gani:2:1 (matsakaici). Wannan yana ƙayyade matsakaicin bambancin da aka yarda da shi a cikin haske tsakanin sassa a ƙarƙashin yanayin tuƙi iri ɗaya, yana tabbatar da daidaiton gani.
• Maganar Ketare (Cross Talk):≤ 2.5%. Wannan yana ayyana matsakaicin adadin hasken da ba a yi niyya ba daga wani sashe da ba a tuƙa ba lokacin da wani sashe na kusa ya haskaka.

3. Bayanin Tsarin Binning

Takardar bayanan ta ce samfurin "An Rarrabe don Ƙarfin Hasken Gani." Wannan yana nuna tsarin binning inda ake rarraba nuni bisa ga aunannin fitar haske a daidaitaccen gwajin gwaji (mai yiwuwa 1mA ko 10mA kamar yadda aka bayyana a cikin teburin halaye). Yin amfani da nuni daga rukunin ƙarfin haske iri ɗaya a cikin aikace-aikace guda ɗaya yana da mahimmanci don guje wa bambance-bambancen haske da ake iya gani tsakanin raka'a, wanda aka ba da shawarar a fili a cikin gargaɗin aikace-aikace. Duk da yake PDF ɗin bai yi cikakken bayani game da takamaiman kewayon lambobin kwandon ba, masu ƙira yakamata su tuntubi mai kera don bayanan binning lokacin da ake buƙatar daidaito a cikin nuni da yawa.

4. Bincike na Lanƙwasa Aiki

PDF ɗin yana nuni zuwa "Lanƙwasa Halayen Lantarki / Gani na Al'ada" akan shafi na 7/10. Duk da yake ba a ba da takamaiman jadawali a cikin rubutun ba, daidaitattun lanƙwasa don irin waɗannan LED ɗin galibi sun haɗa da:

• Lanƙwasa IV (Hali vs. Ƙarfin Lantarki):Yana nuna alaƙar ma'auni, yana taimakawa wajen tantance ƙarfin lantarki da ake buƙata don manufar halin yanzu.
• Ƙarfin Hasken Gani vs. Halin Gaba:Yana nuna yadda fitar haske ke ƙaruwa tare da halin yanzu, mai mahimmanci don daidaita haske da fahimtar inganci.
• Ƙarfin Hasken Gani vs. Yanayin Muhalli:Yana nuna raguwar fitar haske yayin da zafin jiki ya tashi, mai mahimmanci don sarrafa zafi a cikin aikace-aikace.
• Ƙarfin Gaba vs. Yanayin Muhalli:Yana nuna yadda VF ke canzawa tare da zafin jiki, wanda zai iya shafar ƙirar direban halin yanzu na dindindin.
• Rarraba Bakan:Wani makircin ƙarfin dangi vs. tsawon raƙuman ruwa, wanda ke tsakiya a kusa da kololuwar 639nm, yana tabbatar da launin ja mai ƙarfi.

5. Bayanin Injiniya & Kunshi

5.1 Girman Kunshi

An ayyana jigon injiniyan nunin a cikin takardar bayanan. Muhimman bayanan sun haɗa da:

• Duk girma suna cikin millimeters.
• Tolerance na gabaɗaya shine ±0.25 mm sai dai idan an ƙayyade in ba haka ba.
• Tolerance na canjin ƙafar ƙafar shine ±0.4 mm.
• Ana ba da shawarar diamita ramin PCB don ƙafafun shine 0.9 mm.
• An ƙayyade ma'auni na inganci don kayan waje (≤10mil), gurɓataccen tawada (≤20mils), kumfa a cikin sassa (≤10mil), da lanƙwasa mai nuna haske (≤1% na tsayi).

5.2 Haɗin Ƙafa & Ganewar Polarity

Na'urar tana da ƙafafu 14 a jere guda ɗaya. Tsarin ƙafafun shine kamar haka:

• Ƙafa 1: Cathode Gama Gari don Lamba 2
• Ƙafa 2: Cathode Gama Gari don Lamba 3
• Ƙafa 3: Anode don Sashe D
• Ƙafa 4: Anode don Maki Goma (DP)
• Ƙafa 5: Cathode Gama Gari don Lamba 4
• Ƙafa 6: Anode don Sashe C
• Ƙafa 7: Cathode Gama Gari don Lamba 5
• Ƙafa 8: Cathode Gama Gari don Lamba 6
• Ƙafa 9: Anode don Sashe E
• Ƙafa 10: Anode don Sashe F
• Ƙafa 11: Anode don Sashe G
• Ƙafa 12: Anode don Sashe A
• Ƙafa 13: Anode don Sashe B
• Ƙafa 14: Cathode Gama Gari don Lamba 1

An yiwa ƙafa 1 alama a matsayin "Babu Haɗin" a cikin tebur, wanda ya bayyana kamar rashin daidaituwar takardu kamar yadda kuma aka jera shi a matsayin Cathode don Lamba 2. Yakamata a duba zanen da'irar ciki don bayani.cathode gama gari configuration.

6. Jagororin Solder & Taro

Matsakaicin ƙimar ƙididdiga suna ƙayyade bayanin solder: zafin jiki a wani wuri 1/16 inch (kusan 1.6 mm) ƙasa da filin zama na nunin bai kamata ya wuce 260°C ba fiye da dakika 3 yayin haɗawa. Wannan shine daidaitaccen yanayin solder reflow. Dole ne masu ƙira su tabbatar cewa shimfidar PCB da bayanin tanda reflow sun bi wannan don hana lalacewar zafi ga guntuwar LED ko kunshin filastik.

7. Shawarwarin Aikace-aikace

7.1 Yanayin Aikace-aikace na Al'ada

An yi nuni ne don kayan aikin lantarki na yau da kullun ciki har da kayan aikin ofis, na'urorin sadarwa, da aikace-aikacen gida. Lambobinsa masu launin ja masu bayyanawa sun sa ya dace don:

• Na'urorin aunawa da lambobi da kayan aikin gwaji
• Nunin lokaci da ƙidaya na masana'antu
• Allunan sarrafa kayan amfani na mabukaci (misali, tanda, microwave)
• Nunin mitar/ matakin kayan aikin sauti
• Karatu na tashar sayar da kayayyaki

7.2 Abubuwan Ƙira & Gargaɗi

Takardar bayanan ta haɗa da faɗaɗaɗɗun gargaɗin aikace-aikace waɗanda suka zama mahimman ka'idojin ƙira:

• Ƙirar Da'irar Tuƙi:Ana ba da shawarar tuƙi na halin yanzu na dindindin sosai don tabbatar da daidaiton haske da tsawon rai. Dole ne a tsara da'irar don ɗaukar cikakken kewayon ƙarfin lantarki na gaba (VF, har zuwa 2.6V) don tabbatar da cewa an ba da halin tuƙi da aka yi niyya a ƙarƙashin duk yanayi.
• Sarrafa Halin Yanzu & Zafi:Dole ne a zaɓi halin aiki yana la'akari da matsakaicin zafin muhalli, yana amfani da ƙayyadaddun ƙimar raguwa (0.28 mA/°C sama da 25°C). Wucewa ƙididdiga yana haifar da lalacewar haske mai tsanani ko gazawa.
• Da'irorin Kariya:Da'irar tuƙi dole ne ta kare LED ɗin daga ƙarfin lantarki na baya da ƙarfin ƙarfin lantarki na wucin gadi yayin kunna wutar lantarki/kashewa. Ci gaba da koma baya na iya haifar da ƙaura na ƙarfe, ƙara yawan ɗigon ruwa ko haifar da gajere.
• Abubuwan Muhalli:A guji saurin canjin yanayin zafi a cikin ɗanɗano mai girma don hana hazo akan nunin. Kada a yi amfani da ƙarfin injiniya mara kyau yayin haɗawa.
• Fina-finan Gani/ Rufe-fage:Idan ana amfani da fim mai matsa lamba ko rufewa, a guji barin shi ya danna kai tsaye kan saman nunin, saboda yana iya canzawa kuma ya haifar da matsalolin kallo.
• Daidaiton Nuni Da Yawa:Don aikace-aikacen da ke amfani da nuni biyu ko fiye, zaɓi raka'a daga kwandon ƙarfin haske iri ɗaya don guje wa rashin daidaiton haske (launi) a cikin saiti.

8. Yanayin Ajiya

Don dogon lokaci na dogaro, an tilasta takamaiman yanayin ajiya:

• Ajiya na Al'ada (a cikin kunshin asali):Zazzabi: 5°C zuwa 30°C. Danshi: Ƙasa da 60% RH.
• Ajiya a waje da waɗannan sharuɗɗan na iya haifar da lalata ƙafar, yana buƙatar sake yin plating kafin amfani.
• Ana ba da shawarar cinye kayan cikin sauri kuma a guji manyan hannun jari na dogon lokaci.
• Idan kunshin da ba a rufe ba an adana shi sama da watanni 6, ana ba da shawarar gasa nuni a 60°C na tsawon sa'o'i 48 kuma a kammala haɗawa cikin mako guda don cire danshi da hana "popcorning" yayin solder.

9. Kwatancen Fasaha & Bambance-bambance

LTF-3605KR-01 ya bambanta kansa ta hanyar amfani da fasahar AlInGaP don launin ja mai ƙarfi. Idan aka kwatanta da tsofaffin fasahohi kamar daidaitattun LED ja na GaAsP, AlInGaP yana ba da ingantaccen inganci mai haske (haske kowace raka'a halin yanzu), mafi kyawun kwanciyar hankali na zafin jiki, da tsawon rai. Tsayin lamba 0.3-inch yana ba da daidaito tsakanin karantawa da ƙanƙanta. Ƙirar cathode gama gari mai yawa (multiplex) ita ce ma'auni don nuni mai lambobi da yawa, tana rage ƙafafun direba da ake buƙata daga 48 (lambobi 6 * sassa 8) zuwa 14, yana sauƙaƙa microcontroller ko direban IC.

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

Tambaya: Menene bambanci tsakanin tsayin raƙuman ruwa (639nm) da tsayin raƙuman ruwa (631nm)?
Amsa: Tsayin raƙuman ruwa shine wurin matsakaicin ƙarfi a cikin fitarwar bakan. Tsayin raƙuman ruwa shine tsayin raƙuman ruwa guda ɗaya da idon ɗan adam ke gani lokacin kallon launi, wanda zai iya ɗan bambanta saboda siffar lanƙwasa hankali na ido da bakan LED.

T: Zan iya tuƙa wannan nunin tare da tushen ƙarfin lantarki na dindindin da resistor?
A: Ko da yake yana yiwuwa, ba a ba da shawarar ba. Resistor mai sauƙi yana iyakance halin yanzu amma baya rama bambancin VF tsakanin LED ko tare da zafin jiki, yana haifar da rashin daidaiton haske. Direban halin yanzu na dindindin shine hanyar da aka fi so don ƙira na ƙwararru.

T: Ta yaya zan aiwatar da haɗawa (multiplexing) don lambobi shida?
A: Microcontroller ko keɓaɓɓen direban nunin IC yana kunna (ƙasa) cathode gama gari ɗaya (Lamba 1-6) a lokaci guda yayin amfani da daidaitaccen tsarin anode (A-G, DP) don wannan lamba. Wannan zagayowar yana maimaitawa cikin sauri (yawanci >100Hz) don ƙirƙirar tunanin cewa duk lambobi suna kan lokaci guda.

T: Matsakaicin halin yanzu na ci gaba shine 25mA a kowane sashe. Wane halin yanzu ne zan yi amfani da shi don aiki na yau da kullun?
A> Don aiki na dogon lokaci mai dogaro, al'ada ce ta rage ƙarin ƙarfi. Yin aiki a 15-20mA a kowane sashe yana ba da haske mai kyau yayin da yake rage matsin zafi sosai kuma yana tsawaita rayuwar aiki. Koyaushe tabbatar da cewa zaɓaɓɓen halin yanzu ya cika buƙatar hasken ku a matsakaicin zafin muhalli na aikace-aikacen.

11. Hali na Ƙira na Aiki

Yanayi:Ƙirar mita na panel na lambobi wanda ke aiki a cikin yanayi har zuwa 50°C.
Matakai:
1. Lissafin Halin Yanzu:Ƙayyade matsakaicin halin yanzu na ci gaba da aka rage. Daga 25°C zuwa 50°C shine ƙaruwar 25°C. Rage ƙimar = 25°C * 0.28 mA/°C = 7 mA. Saboda haka, matsakaicin halin yanzu mai aminci a 50°C = 25 mA - 7 mA =18 mA.
2. Zaɓin Direba:Zaɓi direban LED na halin yanzu na dindindin IC wanda zai iya haɗawa (multiplexing) lambobi 6 tare da aƙalla fitarwa 8. Saita iyakar halin yanzu na direba zuwa 18 mA (ko ƙananan ƙima kamar 15 mA don gefe).
3. Ƙirar Zafi:Tabbatar cewa shimfidar PCB tana ba da isasshen yanki na tagulla a kusa da ƙafafun nunin don yin aiki azaman mai sanyaya zafi, yana watsar da zafi daga haɗin LED.
4. Software:Ai watsa firmware mai haɗawa (multiplexing) tare da ƙimar sabunta wanda ya isa don guje wa flicker (misali, 200 Hz). Haɗa da gwajin nunin da kuma gyare-gyaren haske.

12. Ka'idar Aiki

Na'urar ta dogara ne akan electroluminescence na semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce ƙarfin kunna diode (kusan 2V don AlInGaP) a kan wani sashe na LED (anode tabbatacce, cathode mara kyau), electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki na guntuwar semiconductor. Wannan sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke ciki (AlInGaP) yana ƙayyade ƙarfin bandgap, wanda ke ayyana tsayin raƙuman ruwa (launi) na hasken da aka fitar, a wannan yanayin, a cikin bakan ja (~639 nm). Sassa bakwai sune guntuwar LED guda ɗaya waɗanda aka tsara su cikin tsari na takwas, ana sarrafa su da kansu don samar da haruffa na lambobi 0-9.

13. Trends na Fasaha

Duk da yake keɓaɓɓen nunin LED bakwai na sassa sun kasance masu dacewa don takamaiman aikace-aikace, babban yanayin fasahar nunin yana motsawa zuwa mafita haɗe-haɗe. Waɗannan sun haɗa da:
- Nuni Masu Direba Haɗe:Modules tare da ginshiƙan sarrafawa na ciki (kamar TM1637 ko MAX7219 direbobi) waɗanda ke sauƙaƙa mu'amalar microcontroller.
- Kunshin Na'urar Mount Surface (SMD):Maye gurbin nau'ikan rami ta hanyar haɗawa ta atomatik da ƙananan siffofi.
- Madadin Fasahohi:Don aikace-aikacen da ke buƙatar ƙarin zane-zane ko lambobi, nunin OLED ko LCD na matrix-dot suna ƙara zama gama gari saboda sassaucinsu.
Duk da haka, don sauƙi, babban haske, ƙarancin farashin karatun lambobi a cikin yanayi mai tsanani (faɗin yanayin zafi), na al'ada LED bakwai na sassa kamar LTF-3605KR-01 suna ci gaba da ba da inganci mara misaltuwa da sauƙi.