LTS-547AKS LED Display Datasheet - 0.52-inch Digit Height - Yellow Color - 2.6V Forward Voltage - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTS-547AKS wani babban aikin nuni ne na lamba guda, wanda aka ƙera shi don aikace-aikacen da ke buƙatar bayyanar lambobi masu haske, bayyananne, da dogaro. Babban aikinsa shi ne nuna lamba guda ta decimal (0-9) tare da maki goma. An gina na'urar ta amfani da ci-gaban fasahar semiconductor na AS-AlInGaP (Aluminum Indium Gallium Phosphide), wanda aka ƙera musamman don fitar da haske mai haske rawaya. Wannan tsarin kayan, wanda aka girma akan substrate na GaAs (Gallium Arsenide), an san shi da ingantaccen aiki da tsaftar launi a cikin bakan rawaya-lemu. Nuni yana da siffa ta musamman tare da fuskar launin toka da sassuna fari, wanda ke haɓaka bambanci da karantawa a ƙarƙashin yanayin haske daban-daban. An rarrabe shi don ƙarfin haske, yana tabbatar da daidaiton haske a cikin samfuran samarwa.

1.1 Fa'idodi na Asali da Kasuwar Manufa

LTS-547AKS yana ba da fa'idodi masu mahimmanci da yawa waɗanda suka sa ya dace da aikace-aikace masu yawa na masana'antu, kasuwanci, da masu amfani. Ƙarancin buƙatun wutar lantarki fa'ida ce mai mahimmanci, yana ba da damar haɗawa cikin tsarin da ke amfani da baturi ko ingantaccen makamashi. Babban haske da babban bambanci suna tabbatar da kyakkyawan gani ko da a cikin wurare masu haske. Faɗin kusurwar kallo yana ba da sassauci a cikin hawa da matsayin mai amfani. Dogaron ƙwaƙƙwaran fasahar LED yana fassara zuwa tsawon rayuwar aiki, juriya ga girgiza, da ƙarancin kulawa idan aka kwatanta da tsofaffin fasahohin nuni kamar na incandescent ko na'urori masu haske. Hakanan ana ba da na'urar a cikin kunshin da ba shi da gubar, yana bin ka'idojin muhalli na zamani kamar RoHS (Ƙuntata Abubuwa masu haɗari). Kasuwomin manufa na yau da kullun sun haɗa da allunan kayan aikin, kayan aikin gwaji da aunawa, sarrafa masana'antu, na'urorin likitanci, na'urorin gida, da nunin dashboard na mota inda ake buƙatar alamar lamba guda, bayyananne.

2. Zurfin Fassarar Ma'auni na Fasaha

Wannan sashe yana ba da cikakken bincike, mai ma'ana game da mahimman ma'auni na lantarki da na gani da aka ƙayyade a cikin takardar bayanai. Fahimtar waɗannan ma'auni yana da mahimmanci don ƙera da'ira daidai da tabbatar da ingantaccen aikin nuni.

2.1 Halayen Hoto da Na Gani

Babban siffa ta gani ita ceMatsakaicin Ƙarfin Hasken (Iv). An auna shi a gaba na gaba (IF) na 1 mA, ƙimar al'ada ita ce 1400 µcd (microcandelas), tare da mafi ƙarancin ƙayyadaddun ƙimar 500 µcd. Wannan ma'auni yana bayyana hasken da ake gani na kowane sashe mai haske. Matsakaicin Daidaitawar Ƙarfin Hasken (IV-m)an ƙayyade shi azaman matsakaicin 2:1. Wannan rabo yana nuna matsakaicin bambancin da aka yarda a cikin haske tsakanin mafi haske da mafi duhu sassa a cikin na'ura guda, yana tabbatar da kamanni iri ɗaya lokacin da duk sassun suka haskaka. Halayen launi an bayyana su ta hanyar tsawon zango. Matsakaicin Tsawon Zangon Fitarwa (λp)yawanci 588 nm (nanometers) ne a IF=20mA. Tsawon Zangon da Ya Fi Rinjaye (λd), wanda ya fi dacewa da launin da ake gani, yana da kewayon 584 nm zuwa 594 nm. Rabin Faɗin Layin Bakan (Δλ)yawanci 15 nm ne, yana bayyana tsaftar bakan hasken rawaya da aka fitar.

2.2 Ma'auni na Lantarki

Mahimmin ma'auni na lantarki shineƘarfin Lantarki na Gaba (VF)kowane sashe. A gaba na gaba na 20 mA, VF na al'ada shine 2.6 Volts, tare da mafi ƙarancin 2.05 Volts. Wannan shine raguwar ƙarfin lantarki a kan LED lokacin da yake gudanar da wutar lantarki kuma yana fitar da haske. Dole ne masu ƙira su tabbatar da cewa da'irar tuƙi na iya samar da wannan ƙarfin lantarki. Ƙarfin Lantarki na Baya (IR)an ƙayyade shi azaman matsakaicin 10 µA a ƙarfin lantarki na baya (VR) na 5V, yana nuna ƙaramin ƙarfin lantarki na yabo lokacin da LED ke da karkatar da baya. Wucewa Matsakaicin Matsakaicin Ƙimar don ƙarfin lantarki na baya (5V) na iya lalata na'urar.

2.3 Matsakaicin Matsakaicin Ƙimar da La'akari da Zazzabi

Waɗannan ƙimar suna bayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. Ba don aikin al'ada ba ne. Ci gaba da Ƙarfin Lantarki na Gabakowane sashe shine 25 mA a 25°C. An ba da ƙimar rage darajar 0.33 mA/°C, ma'ana matsakaicin ƙarfin lantarki na ci gaba da raguwa yayin da yanayin yanayi ya tashi sama da 25°C. Misali, a 85°C, matsakaicin ƙarfin lantarki zai kasance kusan 25 mA - (0.33 mA/°C * 60°C) = 5.2 mA. Matsakaicin Ƙarfin Lantarki na Gabashine 60 mA amma ana yarda da shi kawai a ƙarƙashin yanayin bugun jini (1 kHz, 25% aikin aiki). Rushewar Wutar Lantarkikowane sashe shine 70 mW. An ƙayyade kewayon yanayin aiki da ajiya daga -35°C zuwa +85°C, yana bayyana yanayin muhalli da na'urar za ta iya jurewa.

3. Bayanin Tsarin Rarrabe

Takardar bayanai tana nuna cewa samfurinan rarrabe shi don ƙarfin haske. Wannan yana nufin tsarin rarrabe ko rarrabawa da ake yi yayin samarwa. Saboda bambance-bambance na asali a cikin girma na semiconductor epitaxial da sarrafa wafer, LEDs daga rukunin samarwa ɗaya na iya samun bambance-bambance kaɗan a cikin mahimman ma'auni kamar ƙarfin haske da ƙarfin lantarki na gaba. Don tabbatar da daidaito ga mai amfani na ƙarshe, masu samarwa suna gwada kowane na'ura kuma suna rarraba su cikin "kwantena" ko rukuni daban-daban dangane da aikin da aka auna. LTS-547AKS an rarrabe shi musamman don ƙarfin haske (Iv), ma'ana abokan ciniki za su iya zaɓar na'urori daga takamaiman kewayon ƙarfi (kwandon) don tabbatar da daidaiton haske a cikin duk lambobi a aikace-aikacen nuni mai lambobi da yawa. Takardar bayanai tana ba da mafi ƙarancin (500 µcd) da ƙimar al'ada (1400 µcd), amma takamaiman lambobin kwandon da kewayon ƙarfinsu da suka dace za a yi cikakken bayani a cikin takardar rarrabe daban ko ana samun su bisa buƙata.

4. Binciken Lanƙwasa Aiki

Duk da yake ba a yi cikakken bayani game da takamaiman jadawali a cikin rubutun da aka bayar ba, lanƙwasa aiki na yau da kullun na irin wannan na'urar zai ba da haske mai mahimmanci na ƙira. Waɗannan lanƙwasa suna wakiltar alaƙa tsakanin mahimman ma'auni ta hanyar hoto.

4.1 Ƙarfin Lantarki na Gaba vs. Ƙarfin Lantarki na Gaba (Lanƙwasa I-V)

Wannan lanƙwasa yana nuna alaƙar da ba ta da layi tsakanin wutar lantarki da ke gudana ta LED da ƙarfin lantarki a cikinta. Yana nuna ƙarfin lantarki na "kunna" (kusan 2.0-2.1V don AlInGaP) da yadda ƙarfin lantarki na gaba ya ƙaru kaɗan tare da wutar lantarki. Wannan bayanin yana da mahimmanci don ƙera da'irori masu iyakance wutar lantarki, ko dai ta amfani da masu jurewa masu sauƙi ko direbobi masu ƙarfin lantarki na yau da kullun.

4.2 Ƙarfin Hasken vs. Ƙarfin Lantarki na Gaba

Wannan makircin yana kwatanta yadda fitowar haske (a cikin µcd ko mcd) ke ƙaruwa tare da ƙarfin lantarki na gaba. Gabaɗaya yana da layi a cikin kewayon amma yana iya cika a cikin wutar lantarki mai yawa sosai. Wannan yana taimaka wa masu ƙira su zaɓi wutar lantarki na aiki wanda ke ba da hasken da ake buƙata ba tare da wuce iyakokin ɓarnawar wutar lantarki ko haɓaka raguwar lumen ba.

4.3 Halayen Zazzabi

Lanƙwasa da ke nuna bambancin ƙarfin lantarki na gaba da ƙarfin haske tare da yanayin yanayi (Ta) ko zazzabi na haɗin gwiwa (Tj) suna da mahimmanci. Yawanci, ƙarfin lantarki na gaba yana raguwa tare da ƙaruwar zazzabi (mummunan ƙimar zazzabi), yayin da ƙarfin haske shima yana raguwa yayin da zazzabi ya tashi. Fahimtar waɗannan yanayin yana da mahimmanci don aikace-aikacen da ke ƙarƙashin faɗuwar zazzabi don tabbatar da kwanciyar hankali.

5. Bayanin Injiniya da Kunshin

LTS-547AKS yana da tsayin lamba na 0.52 inches (13.2 mm). An ba da girman kunshin a cikin zane tare da duk ma'aunai a cikin millimeters da daidaitaccen jurewa na ±0.25 mm sai dai idan an lura daban. Wannan zane yana da mahimmanci don shimfidar PCB (Allon Da'ira da aka Buga), yana tabbatar da cewa ana ƙera sawun ƙafa da tsarin ramuka daidai. Na'urar tana da fil 10 a cikin tsarin kunshin biyu-a-layin.

5.1 Haɗin Fil da Da'irar Ciki

Tsarin fil shine kamar haka: Fil 1: Anode E, Fil 2: Anode D, Fil 3: Common Cathode, Fil 4: Anode C, Fil 5: Anode D.P. (Maki Goma), Fil 6: Anode B, Fil 7: Anode A, Fil 8: Common Cathode, Fil 9: Anode F, Fil 10: Anode G. Na'urar tana amfani datsarin cathode gama gari. Wannan yana nufin cewa an haɗa cathodes (tashoshi marasa kyau) na duk sassun LED (A-G da DP) a ciki kuma an fitar da su zuwa fil biyu (3 da 8, waɗanda aka haɗa). Don haskaka takamaiman sashe, dole ne a tuƙi fil ɗin anode ɗinsa zuwa ƙarfin lantarki mai kyau (ta hanyar mai jure wutar lantarki ko direba) yayin da fil ɗin cathode gama gari ke haɗe da ƙasa. Zanen da'irar ciki zai nuna wannan haɗin cathode gama gari ga duk sassun.

6. Jagororin Solder da Haɗawa

Takardar bayanai ta ƙayyade ma'auni mai mahimmanci na solder: matsakaicinzazzabin solder shine 260°C, kuma wannan zazzabin za a iya amfani da shi kawai na matsakaicindakika 3. Ana ɗaukar wannan ma'auni a wani batu 1.6 mm (1/16 inch) ƙasa da matakin zama na kayan a kan PCB. Wannan jagora yana da mahimmanci don hanyoyin solder na igiyar ruwa ko sake kunnawa. Wuce waɗannan iyakokin lokaci/zazzabi na iya haifar da lalacewar zazzabi ga guntuwar LED, epoxy encapsulant, ko haɗin waya na ciki, wanda ke haifar da gazawar nan take ko rage dogon lokacin dogaro. Ana ba da shawarar bin ka'idojin IPC na yau da kullun don haɗin LED. Don ajiya, an ƙayyade kewayon daga -35°C zuwa +85°C a cikin yanayi mai bushewa don hana ɗaukar danshi, wanda zai iya haifar da "popcorning" yayin sake kunnawa.

7. Shawarwari na Aikace-aikace

7.1 Yanayin Aikace-aikace na Yau da Kullun

LTS-547AKS ya dace da kowane na'urar da ke buƙatar nuni na lamba guda, mai iya karantawa sosai. Aikace-aikace na yau da kullun sun haɗa da: na'urori masu auna lambobi da na'urori masu manne, na'urori masu ƙidaya mitar, wutar lantarki na benci, na'urori masu ƙidayar lokaci da ƙidayawa, kayan aikin sa ido na likitanci (misali, nunin ma'auni guda), na'urorin gida (microwaves, tanda, masu yin kofi), ma'aunin mota bayan kasuwa (ƙarfin lantarki, zazzabi), da alamun allunan sarrafa masana'antu.

7.2 La'akari da Ƙira

• Iyakance Wutar Lantarki:LEDs na'urori ne masu tuƙi. Dole ne a haɗa mai jure wutar lantarki a jere tare da kowane anode (ko kuma a yi amfani da direba mai ƙarfin lantarki na yau da kullun) don saita ƙarfin lantarki na gaba zuwa ƙimar da ake so (misali, 10-20 mA don cikakken haske). Ana ƙididdige ƙimar mai jurewa ta amfani da R = (Vcc - Vf) / If, inda Vcc shine ƙarfin lantarki, Vf shine ƙarfin lantarki na gaba na LED, kuma If shine ƙarfin lantarki na gaba da ake so.
• Haɗawa da Yawa:Don tuƙi lambobi da yawa, ana amfani da dabarar haɗawa da yawa inda ake haɗa sassun iri ɗaya a cikin lambobi tare, kuma ana kunna cathode gama gari na kowane lamba a jere a babban mitar. Wannan yana adana fil ɗin I/O akan microcontroller.
• Kusurwar Kallo:Faɗin kusurwar kallo yana ba da damar hawa mai sassauci, amma don mafi kyawun karantawa, yi la'akari da layin gani na mai amfani na farko dangane da saman nuni.
• Kariya daga ESD:Duk da yake ba a bayyana shi a sarari ba, AlInGaP LEDs na iya zama masu hankali ga zubar da wutar lantarki (ESD). Yakamata a kiyaye matakan kula da ESD na yau da kullun yayin haɗawa.

8. Kwatancen Fasaha

Idan aka kwatanta da sauran fasahohin nuni na lamba guda, LTS-547AKS (AlInGaP Yellow) yana ba da fa'idodi na musamman. Idan aka kwatanta da tsofaffinLEDs ja GaAsP ko GaP, AlInGaP yana ba da haske da inganci sosai ga launuka a cikin bakan rawaya-lemu-ja. Idan aka kwatanta daLCDs masu sassa 7, yana ba da fifikon gani a cikin yanayi mara haske, faɗin kewayon yanayin aiki, kuma baya buƙatar hasken baya. Idan aka kwatanta dana'urorin nuni masu haske na vacuum (VFDs), yana da ƙarfi, yana da ƙarancin ƙarfin lantarki na aiki, kuma yana amfani da ƙarancin wutar lantarki, ko da yake VFDs na iya ba da launi daban (sau da yawa shuɗi-kore) da faɗin kusurwar kallo. Ana zaɓen launin rawaya sau da yawa saboda ingantaccen haskensa da bayyanarsa mai bayyanawa, wanda ya bambanta da nunin ja ko kore na yau da kullun.

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

Q1: Menene manufar fil ɗin cathode gama gari biyu (3 da 8)?

A1: An haɗa su a ciki. Samun fil biyu yana ba da daidaiton injiniya, mafi kyawun rarraba wutar lantarki, da ingantaccen zubar da zafi daga gefen cathode na guntuwar LED. A cikin shimfidar PCB, duka yakamata a haɗa su da ƙasa.

Q2: Shin zan iya tuƙa wannan nuni kai tsaye daga fil ɗin microcontroller na 5V?

A2: A'a, ba kai tsaye ba. Ƙarfin lantarki na gaba na al'ada shine 2.6V, kuma fil ɗin microcontroller da ke fitar da 5V zai haifar da wutar lantarki mai yawa, yana lalata sashin LED. Dole ne ka yi amfani da mai jure wutar lantarki na jere. Don samar da wutar lantarki 5V da manufar wutar lantarki na 20 mA, ƙimar mai jurewa zata kasance kusan (5V - 2.6V) / 0.02A = 120 Ohms. Ana amfani da ƙimar kaɗan (misali, 150 Ohms) sau da yawa don aminci da tsawon rai.

Q3: Menene ma'anar "an rarrabe shi don ƙarfin haske" ga ƙirar ta?

A3: Yana nufin za ku iya yin odar na'urori daga takamaiman kwandon haske. Idan kuna gina samfur mai yawa ko nuni mai lambobi da yawa, ƙayyade lambar kwandon ɗaya ga duk nuninku yana tabbatar da cewa duk zasu kasance da haske iri ɗaya, wanda zai haifar da kamanni iri ɗaya da na ƙwararru. Idan kun haɗa kwanduna, wasu lambobi na iya bayyana a fili mafi haske ko duhu fiye da wasu.

Q4: Ta yaya zan fassara ƙimar rage darajar ƙarfin lantarki na gaba?

A4: Ƙimar rage darajar 0.33 mA/°C tana nufin cewa ga kowane digiri na Celsius da yanayin yanayi ya tashi sama da 25°C, dole ne ku rage matsakaicin ƙarfin lantarki na ci gaba da 0.33 mA. Wannan yana da mahimmanci don hana zazzabin haɗin gwiwar LED ya wuce iyakarsa ta aminci, wanda zai rage tsawon rayuwarsa sosai. A cikin yanayi mai zafi, kuna iya buƙatar aiki da nuni a ƙaramin wutar lantarki don kiyaye dogaro.

10. Hali na Ƙira na Aiki

Yanayi:Ƙera mai sauƙin na'urar auna wutar lantarki mai baturi don nuna 0-9.9V.

Ai watar:Yi amfani da microcontroller tare da mai canza analog-zuwa-lamba (ADC) don auna ƙarfin lantarki. Microcontroller zai buƙaci aƙalla fil ɗin I/O 8 don tuƙi sassuna 7 da maki goma na LTS-547AKS. Ana buƙatar mai jure wutar lantarki (misali, 180-220 Ohms don tsarin 3.3V-5V) akan kowane layin anode. An haɗa fil ɗin cathode gama gari biyu zuwa ƙasa. Firmware na microcontroller zai karanta ƙimar ADC, ya canza shi zuwa lamba decimal, kuma ya haskaka sassun da suka dace ta hanyar saita fil ɗin anode da suka dace sama. Don nuna wurin goma ("9" a cikin 9.9), za a buƙaci lamba ta biyu, kuma za a yi amfani da haɗawa da yawa don tuƙi lambobi biyu daga layukan sassa 8 iri ɗaya, ta amfani da fil ɗin I/O daban-daban don sarrafa cathode gama gari na kowane lamba.

11. Gabatarwa da Ka'idar Aiki

LTS-547AKS yana aiki bisa ka'idarelectroluminescencea cikin diode semiconductor. Tsakiyar kowane sashe ƙaramin guntun ne da aka yi da yadudduka na AlInGaP waɗanda aka girma akan substrate na GaAs. Wannan tsari ya samar da haɗin p-n. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce yuwuwar ginin haɗin gwiwa (kusan 2.0-2.1V), electrons daga yankin n-type da ramuka daga yankin p-type ana shigar da su a kan haɗin gwiwa. Lokacin da waɗannan masu ɗaukar caji suka sake haɗuwa a cikin yankin aiki na semiconductor, ana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na AlInGaP yana ƙayyade makamashin bandgap na semiconductor, wanda kuma yana ƙayyade tsawon zango (launi) na hasken da aka fitar—a wannan yanayin, rawaya (~588 nm). Fuskar toka da sassuna fari suna aiki azaman mai watsawa da mai haɓaka bambanci, bi da bi, suna siffata da jagorantar haske don mafi kyawun karantawa.

12. Trends na Fasaha

Ci gaban fasahohin nuni yana ci gaba. Don rarrabe nunin lamba na LED kamar LTS-547AKS, trends suna mai da hankali kan yankuna da yawa.Ƙara Ingantacciyar Aiki:Binciken kimiyyar kayan aiki na ci gaba yana nufin inganta ingantaccen aiki na quantum na ciki (IQE) da ingantaccen fitar da haske na AlInGaP da sauran semiconductors guda biyu, yana samar da nunin haske a ƙananan wutar lantarki, wanda ke da mahimmanci ga na'urori masu ɗaukuwa.Ƙananan Girma:Duk da yake 0.52-inch matsakaicin girma ne, akwai buƙatar ƙananan lambobi don ƙananan na'urori da manyan, lambobi masu haske don kallo mai nisa.Haɗawa:Akwai wani yanayi zuwa nunin da ke da direbobi masu haɗawa (I2C, SPI) ko ma microcontrollers, yana sauƙaƙe mu'amala don mai ƙira tsarin.Zaɓuɓɓukan Launi:Duk da yake rawaya yana da inganci sosai, ci gaban a cikin InGaN LEDs shuɗi da canjin phosphor sun sa nunin RGB cikakken launi da nunin fari su zama masu sauƙin samu, ko da yake sau da yawa a wani matsayi na farashi/aiki daban. Fa'idodi na asali na LEDs—dogaro, tsawon rai, da ƙarfin ƙwaƙƙwaran jiki—suna tabbatar da cewa sun kasance zaɓi mai rinjaye ga yawancin aikace-aikacen nunin lamba inda waɗannan halaye suka fi mahimmanci.