LTW-C230DS LED Mai Haɗawa ta Baya - Farin InGaN - 20mA - 72mW - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Wannan takarda tana ba da cikakkun ƙayyadaddun bayanai na fasaha don LED mai haske mai ƙarfi, mai haɗawa ta baya (SMD). An ƙera kayan don tsarin haɗawa ta atomatik kuma ya bi ka'idojin RoHS da samfuran kore. Babban aikace-aikacensa shine a cikin hasken baya da ayyukan nuni a cikin na'urorin lantarki na mabukaci, kayan aikin ofis, da na'urorin sadarwa inda ake buƙatar haske mai aminci da ƙanƙanta.

2. Bincike Mai Zurfi na Sigogi na Fasaha

2.1 Matsakaicin Matsakaicin Matsakaici

An ƙera na'urar don aiki a cikin ƙayyadaddun iyakokin muhalli da na lantarki don tabbatar da dogon aminci. Matsakaicin matsakaicin matsakaici yana ayyana iyakokin da wucewarsu na iya haifar da lalacewa na dindindin.

• Rushewar Wutar Lantarki:72 mW. Wannan shine matsakaicin adadin wutar lantarki da fakitin LED zai iya watsawa a matsayin zafi a kowane yanayin aiki.
• Matsakaicin Halin Gaba:100 mA. Wannan halin yanzu yana halatta ne kawai a ƙarƙashin yanayin bugun jini tare da zagayowar aiki na 1/10 da faɗin bugun jini na 0.1ms, yawanci don gwaji gajere ko yanayin tuƙi na musamman.
• Halin Gaba na DC:20 mA. Wannan shine halin yanzu na gaba na ci gaba da aka ba da shawarar don aiki na yau da kullun, yana daidaita haske da tsawon rai.
• Kewayon Yanayin Zafin Aiki:-30°C zuwa +85°C. An ƙera LED don yin aiki daidai a cikin wannan kewayon zafin muhalli.
• Kewayon Yanayin Zafin Ajiya:-55°C zuwa +105°C. Ana iya adana na'urar ba tare da lalacewa ba a cikin waɗannan iyakokin.
• Yanayin Haɗa Infrared:260°C na dakika 10. Wannan yana ayyana matsakaicin zafin jiki da tsawon lokacin da LED zai iya jurewa yayin tsarin haɗa IR reflow na yau da kullun.

Mahimmin Bayanin Kula:Ba a ƙera na'urar don aiki a ƙarƙashin ƙarfin lantarki na baya ba. Yin amfani da ƙarfin lantarki na baya na ci gaba zai iya haifar da gazawa nan da nan.

2.2 Halaye na Lantarki da Na Gani

Ana auna waɗannan sigogi a zafin muhalli (Ta) na 25°C kuma suna ayyana aikin LED na yau da kullun.

• Ƙarfin Hasken (Iv):180 - 450 mcd (millicandela) a halin yanzu na gaba (IF) na 20 mA. Ainihin ƙimar na'ura ta musamman ta faɗi cikin wannan kewayon kuma an rarrabe ta ta lambar bin.
• Kusurwar Dubawa (2θ1/2):Digiri 130. Wannan faɗin kusurwar dubawa yana nuna tsarin fitarwa na Lambertian ko kusa da Lambertian, wanda ya dace da hasken yanki.
• Haɗin Haɗin Launi (x, y):Ƙimar yau da kullun sune x=0.294, y=0.286 (wanda aka auna a IF=20mA). Waɗannan haɗin kai akan zanen launi na CIE 1931 suna ayyana farin batu na LED. Ana amfani da jurewar ±0.02 ga waɗannan haɗin kai.
• Ƙarfin Lantarki na Gaba (VF):2.8 - 3.6 Volts a IF=20mA. Faɗuwar ƙarfin lantarki a cikin LED lokacin aiki, wanda ake amfani da shi don ƙirar da'irar tuƙi.
• Halin Yanzu na Baya (IR):10 μA (matsakaici) a ƙarfin lantarki na baya (VR) na 5V. Wannan yanayin gwaji ne don siffanta kawai; ba dole ba ne a yi aiki da na'urar a cikin ƙarancin baya.

Bayanan Aunawa:Ana auna ƙarfin haske ta amfani da kayan aikin da aka daidaita zuwa lanƙwasa amsa ido na CIE photopic. Ana buƙatar yin taka tsantsan game da fitar da wutar lantarki (ESD) yayin sarrafawa don hana lalacewa.

3. Bayanin Tsarin Binning

Don tabbatar da daidaito a cikin samarwa mai yawa, ana rarraba LED zuwa kwandon aiki. Wannan yana ba masu ƙira damar zaɓar sassa waɗanda suka cika takamaiman buƙatu don ƙarfin lantarki, haske, da launi.

3.1 Kwandon Ƙarfin Lantarki na Gaba (VF)

Ana rarraba LED bisa ƙarfin lantarki na gaba a 20mA. Kowane kwandon yana da jurewar ±0.1V.

• D7:2.80V - 3.00V
• D8:3.00V - 3.20V
• D9:3.20V - 3.40V
• D10:3.40V - 3.60V

3.2 Kwandon Ƙarfin Hasken (IV)

Ana rarraba LED ta mafi ƙarancin fitar da haske, tare da jurewar ±15% a cikin kowane kwandon.

• Kwandon S:180 mcd - 280 mcd
• Kwandon T:280 mcd - 450 mcd

3.3 Kwandon Hue (Launi)

An ayyana farin launi a cikin takamaiman murabba'ai akan zanen CIE 1931, mai lakabin S1, S2, S3, da S4. Kowane kwandon yana da madaidaicin iyakokin haɗin kai (x, y) tare da jurewar ±0.01. Wannan tsarin yana tabbatar da daidaiton launi a cikin LED da yawa a cikin taro.

4. Bincike na Lanƙwasa Aiki

Yayin da aka ambaci takamaiman lanƙwasa a cikin takardar bayanai (misali, Hoto na 6 don kusurwar dubawa), fassararsu tana da mahimmanci don ƙira.

• Lanƙwasa IV (Halin Yanzu da Ƙarfin Lantarki):Wannan lanƙwasa ba ta layi daya ba. An ƙayyade ƙarfin lantarki na gaba (VF) a halin yanzu na aiki na yau da kullun (20mA). Tuƙi LED a ƙaramin halin yanzu zai haifar da ƙaramin VF, kuma akasin haka. Wannan yana da mahimmanci don ƙirar direbobi masu ƙarfi na dindindin.
• Ƙarfin Hasken da Halin Yanzu (Lanƙwasa LI-I):Fitar da haske yana daidai da halin yanzu na gaba har zuwa wani lokaci. Wucewa da matsakaicin halin yanzu na DC (20mA) na iya ƙara fitarwa na ɗan lokaci amma zai rage tsawon rai sosai kuma zai iya haifar da gazawa mai ban tsoro.
• Dogaro da Zazzabi:Aikin LED yana da hankali ga zafin jiki. Yawanci, ƙarfin lantarki na gaba yana raguwa tare da haɓaka zafin haɗin gwiwa, yayin da ingancin haske (fitowar haske kowace wutar lantarki) shima yana raguwa. An ƙayyade sigogi a 25°C; ƙila za a buƙaci raguwa don yanayin zafi mai girma.

5. Bayanin Injiniya & Fakitin

5.1 Girman Fakitin

LED ya yi daidai da daidaitaccen tsarin fakitin EIA don abubuwan haɗawa ta baya. Mahimman iyakokin girma sune ±0.10mm sai dai idan an ƙayyade su. Fakitin yana da ruwan tabarau mai rawaya wanda ke ɗauke da die semiconductor na InGaN.

5.2 Gano Polarity

A matsayin abu mai haɗawa ta baya, polarity (anode/cathode) ana nuna shi ta tsarin fakitin ko alama akan tef da reel. Daidaitaccen yanayin wurin yana da mahimmanci don aikin da'ira.

5.3 Tsarin Haɗa Haɗa da aka Ba da Shawara

An ba da tsarin ƙasa (sawun ƙafa) da aka ba da shawarar don tabbatar da samuwar haɗin gwiwar da ya dace, kwanciyar hankali na injiniya, da sarrafa zafi yayin haɗa reflow. Yin bin wannan shimfidar yana rage tsawan kabari kuma yana inganta aminci.

6. Jagororin Haɗawa & Taro

6.1 Bayanin Haɗa Reflow

LED ya dace da hanyoyin reflow na infrared (IR). An ba da bayanin da aka ba da shawarar, yana bin ka'idojin JEDEC.

• Dumama Kafin:150°C zuwa 200°C.
• Lokacin Dumama Kafin:Matsakaicin dakika 120 don ba da damar dumama daidai da kunna manna.
• Matsakaicin Zazzabi:Matsakaicin 260°C.
• Lokaci Sama da Liquidus (a kololuwa):Matsakaicin dakika 10. Ba dole ba ne a sanya kayan aikin ga wannan matsakaicin zafin jiki fiye da sau biyu.

Bayanin Kula:Dole ne a siffanta ainihin bayanin don takamaiman ƙirar PCB, manna haɗa, da tanda da aka yi amfani da su.

6.2 Haɗa Hannu (Idan Ya Bukata)

Idan ana buƙatar haɗa hannu, dole ne a yi taka tsantsan sosai:

• Zafin Ƙarfe:Matsakaicin 300°C.
• Lokacin Haɗawa:Matsakaicin dakika 3 kowane kushin.
• Mita:Ana ba da izinin zagayowar haɗawa guda ɗaya kawai don guje wa lalacewar zafi ga ruwan tabarau na epoxy da die semiconductor.

6.3 Yanayin Ajiya

Hankalin danshi abu ne mai mahimmanci ga abubuwan SMD.

• Fakitin da aka Rufe:Ajiye a ≤30°C da ≤90% RH. Yi amfani da shi cikin shekara guda daga ranar fakitin.
• Fakitin da aka Buɗe:Ajiye a ≤30°C da ≤60% RH. Ya kamata a yi IR-reflow na abubuwan cikin sa'o'i 672 (kwanaki 28) na fallasa. Don ajiya mai tsawo, yi amfani da akwati mai rufi tare da desiccant ko desiccator na nitrogen. Abubuwan da aka fallasa sama da mako guda ya kamata a gasa a 60°C na aƙalla sa'o'i 20 kafin haɗawa.

6.4 Tsaftacewa

Kawai ya kamata a yi amfani da takamaiman wakilai na tsaftacewa don guje wa lalata fakitin LED ko ruwan tabarau.

• Maganin da aka Ba da Shawara:Barasa na ethyl ko isopropyl alcohol.
• Hanyar Aiki:A nutsar da shi a zafin jiki na yau da kullun na ƙasa da minti ɗaya idan tsaftacewa ya zama dole.
• Kaucewa:Ruwayen sinadarai da ba a ƙayyade ba.

7. Bayanin Fakitin & Oda

7.1 Ƙayyadaddun Tef da Reel

Ana samar da LED a cikin fakitin daidaitaccen masana'antu don injunan zaɓe da wuri na atomatik.

• Tef ɗin Carrier:Fadi 8mm.
• Diamita na Reel:Inci 7.
• Adadin kowane Reel:Guda 3000.
• Mafi ƙarancin Adadin Oda (don sauran):Guda 500.
• Rufin Aljihu:Ana rufe aljihu fanko da tef ɗin rufi.
• Fitilun da suka ɓace:Matsakaicin fitilu biyu na LED da suka ɓace a jere an yarda da su, bisa ga ƙayyadaddun ANSI/EIA 481.

8. Bayanan Aikace-aikace & Abubuwan Ƙira

8.1 Amfani da aka Yi niyya

An ƙera wannan LED don na'urorin lantarki na yau da kullun waɗanda suka haɗa da na'urori na sarrafa ofis, kayan aikin sadarwa, da na'urorin gida. Ba a ƙididdige shi don aikace-aikacen aminci masu mahimmanci inda gazawar za ta iya haifar da rayuwa ko lafiya (misali, jirgin sama, tallafin rayuwa na likita). Don irin waɗannan aikace-aikace, tuntuɓar masana'anta don matakan aminci masu girma ya zama dole.

8.2 Ƙirar Da'ira

• Iyakance Halin Yanzu:Koyaushe yi amfani da resistor na jerin gwano ko direba mai ƙarfi na dindindin don iyakance halin yanzu na gaba zuwa 20mA DC ko ƙasa. Kada ku haɗa kai tsaye zuwa tushen wutar lantarki.
• Gudanar da Zazzabi:Yayin da rushewar wutar lantarki ta yi ƙasa (72mW), tabbatar da isasshen yankin tagulla na PCB a kusa da kushin haɗa yana taimakawa wajen watsa zafi, musamman a cikin yanayin zafi mai girma ko lokacin da ake tuƙi a matsakaicin halin yanzu.
• Kariya ta ESD:Haɗa kariyar ESD akan layukan shigarwa idan LED yana cikin wuri da aka fallasa (misali, alamar gaban allon). Koyaushe bi hanyoyin sarrafa ESD masu aminci yayin haɗawa.

8.3 Ƙirar Gani

• Faɗin kusurwar dubawa na digiri 130 yana ba da kyakkyawar ganin kashe-axis, yana mai da shi ya dace da alamomin matsayi waɗanda ake buƙatar ganin su daga kusurwoyi daban-daban.
• Don aikace-aikacen hasken baya, jagororin haske ko masu watsawa na iya zama dole don cimma daidaitaccen haske a saman.

9. Kwatancen Fasaha & Bambance-bambance

Babban abubuwan banbance na wannan abu sunehaɗawa ta bayaƙira dafarin tushen InGaN emission.

• Haɗawa ta Baya da Duba Sama:LED na haɗawa ta baya (ko duban ƙasa) suna fitar da haske ta hanyar substrate kuma suna fitar da gefen fakitin da ke gaban wurin haɗawa. Wannan ya dace da aikace-aikace inda ake haɗa LED a gefen ƙasa na PCB kuma ana buƙatar haske don haskakawa ta rami ko jagorar haske, yana haifar da kyakkyawan bayyanar, mai laushi.
• Fasahar Farin InGaN:Ana amfani da semiconductors na InGaN (Indium Gallium Nitride) don samar da hasken shuɗi. Yawanci ana samun farin haske ta hanyar lulluɓe shuɗi die da phosphor rawaya. Wannan fasaha tana ba da inganci mai girma, yuwuwar yin launi mai kyau, da tsawon rai idan aka kwatanta da tsofaffin fasahohi.
• RoHS & Daidaitaccen Kore:Na'urar ba ta da abubuwa masu haɗari kamar gubar da mercury, yana mai da shi ya dace da kasuwannin duniya tare da ƙa'idodin muhalli.

10. Tambayoyin da ake yawan yi (FAQ)

10.1 Zan iya tuƙi wannan LED tare da samfuri na 3.3V ba tare da resistor ba?

No.Ƙarfin lantarki na gaba yana kewayo daga 2.8V zuwa 3.6V. Haɗa samfuri na 3.3V kai tsaye zai iya haifar da halin yanzu wanda ya wuce 20mA ga yawancin raka'a (musamman waɗanda ke cikin kwandon ƙarfin lantarki na D7 ko D8), yana haifar da lalacewa cikin sauri ko gazawa. Koyaushe ana buƙatar resistor mai iyakance halin yanzu ko mai sarrafawa.

10.2 Menene lambar bin akan jakar ke nufi?

Lambar bin tana nuna ƙungiyar aiki don wannan takamaiman rukunin LED. Yawanci yana haɗa lambobin Ƙarfin Hasken (IV), Ƙarfin Lantarki na Gaba (VF), da Hue (Launi). Misali, lambar na iya zama "T-D8-S2," ma'ana ta faɗi cikin kwandon haske na T, kwandon ƙarfin lantarki na D8, da kwandon launi na S2. Wannan yana ba da damar zaɓi daidai don aikace-aikacen launi ko haske mai mahimmanci.

10.3 Ta yaya zan fassara Zanen Chromaticity da kwandon S1-S4?

Zanen CIE 1931 taswira ce ta launi. Haɗin kai (x, y) daga takardar bayanai (misali, 0.294, 0.286) suna zana batu wanda ke wakiltar farin launi na LED. Kwandon S1-S4 sune yankuna da aka ayyana (murabba'ai) akan wannan taswirar. Duk LED daga wani kwandon da aka ba da su za su sami haɗin launi da ya faɗi cikin takamaiman yankunsa, yana tabbatar da daidaiton launi na gani tsakanin raka'o'i daban-daban.

10.4 Me yasa danshin ajiya yake da mahimmanci haka?

Fakitin SMD na iya ɗaukar danshi daga iska. Yayin tsarin haɗa reflow mai zafi mai girma, wannan danshin da aka ɗauka zai iya juya zuwa tururi cikin sauri, yana haifar da matsa lamba a cikin fakitin. Wannan na iya haifar da "popcorning" - rabuwar ciki ko fashewar ruwan tabarau na epoxy ko abin da aka haɗa die, yana haifar da gazawa nan da nan ko rage dogon aminci. Jagororin ajiya suna hana ɗaukar danshi mai yawa.

11. Misalin Aikace-aikace na Aiki

11.1 Ƙirar Alamar Matsayi na PCB

Yanayi:Allon da ke da microcontroller yana buƙatar alamar kunna wuta. Za a haɗa LED a gefen ƙasa na PCB, yana haskakawa ta wani ƙaramin rami da aka hako.

1. Zaɓin Abun ciki:Zaɓi LED daga kwandon haske na "T" don kyakkyawar gani. Don ƙira mai sauƙi, zaɓi kwandon ƙarfin lantarki na tsaka-tsaki kamar "D8" ko "D9". Kwandon launi na iya zama daidaitaccen sai dai idan takamaiman sautin farin yana da mahimmanci.
2. Ƙirar Tsari:Haɗa anode na LED (ta hanyar resistor mai iyakance halin yanzu) zuwa filin GPIO na microcontroller da aka saita azaman fitarwa. Haɗa cathode na LED zuwa ƙasa. Haɗa sawun ƙafa don resistor mai iyakance halin yanzu.
3. Lissafin Resistor Mai Iyakance Halin Yanzu:Ana ɗaukar samfuri na microcontroller na 3.3V (Vcc), VF na yau da kullun na 3.2V (daga kwandon D8), da IF da ake so na 15mA (don tsawon rai da ƙaramin wutar lantarki).
   R = (Vcc - VF) / IF = (3.3V - 3.2V) / 0.015A = 6.67 Ω. Yi amfani da ƙimar daidaitaccen mafi kusa, misali, 6.8 Ω. Tabbatar da ƙimar wutar lantarki: P = I²R = (0.015)² * 6.8 = 0.00153W, don haka daidaitaccen resistor 1/10W (0.1W) ya fi isa.
4. Shimfidar PCB:Sanya LED akan Layer na ƙasa. Yi amfani da girman kushin haɗa da aka ba da shawarar daga takardar bayanai. Tabbatar cewa rami a cikin manna haɗa na sama (don fitar da haske) ya yi daidai da yankin fitar da LED. Ka ba da ɗan taimako na zafi akan kushin idan an haɗa su zuwa manyan jiragen ƙasa/wutar lantarki.
5. Taro:Bi jagororin bayanin reflow na IR. Bayan haɗawa, duba haɗin gwiwar da ido.

12. Ka'idar Aiki

Fitar da haske a cikin wannan LED ya dogara ne akan electroluminescence a cikin haɗin gwiwar p-n semiconductor da aka yi da kayan InGaN. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce yuwuwar ginin haɗin gwiwa, electrons daga yankin n-type da ramuka daga yankin p-type ana shigar da su cikin yankin aiki. A nan, sun sake haɗuwa, suna sakin makamashi a cikin nau'in photons. Takamaiman abun da ke cikin yadudduka na InGaN yana ƙayyade babban tsawon zango na fitarwa (shuɗi). Don samar da farin haske, ana ɗaukar wani ɓangare na wannan shuɗi ta hanyar lulluɓe phosphor na cerium-doped yttrium aluminum garnet (YAG:Ce) akan die, wanda ke sake fitar da shi azaman haske mai faɗi mai faɗi. Cakuda sauran shuɗi da hasken rawaya da aka canza ana ganinsa da idon ɗan adam a matsayin fari.

13. Trends na Fasaha

Masana'antar hasken ƙwaƙƙwaran ƙwaƙƙwaran tana ci gaba da haɓakawa. Gabaɗaya trends masu dacewa da abubuwa kamar wannan sun haɗa da:

• Ƙara Ingantacciyar (Lumens kowace Watt):Ci gaba da inganta girma na epitaxial, ƙirar guntu, da fasahar phosphor suna haifar da fitar da haske mafi girma don shigar da wutar lantarki iri ɗaya, yana rage amfani da makamashi.
• Ingantacciyar Ingancin Launi:Haɓakar gaurayawan phosphor da yawa da sabbin tsarin semiconductor (misali, ɗigon ƙididdigewa) don cimma mafi girman ƙimar Fihirisar Yin Launi (CRI) da daidaitaccen daidaitawar launi, suna motsawa fiye da daidaitattun farin batu.
• Ƙananan Ƙirar:Tuƙin ƙananan, lantarki masu yawa suna tura LED a cikin ƙananan ƙananan fakitin yayin da ake kiyayewa ko inganta aikin gani.
• Ingantaccen Aminci & Tsawon Rai:Ci gaba a cikin kayan fakitin, hanyoyin haɗa die, da kwanciyar hankali na phosphor suna tsawaita tsawon rai na aiki da amincin LED, musamman a ƙarƙashin yanayin zafi mai girma da yanayin zafi mai girma.
• Haɗin Kai:Wani babban trend shine haɗa da'irar sarrafawa (direbobi, na'urori masu auna firikwensin) kai tsaye tare da die LED ko a cikin fakitin, yana ba da damar fasalulluka na haske mai hankali.