Bayanin Fasaha na LED LTST-S220KGKT - Chip Mai Duban Gefe - Kori (568nm) - 2.4V - 75mW - Takardun Fasaha na Hausa

1. Bayanin Samfur

Wannan takarda ta bayyana cikakkun bayanai na fasaha don LED mai ƙarfin haske, SMD (Surface Mount Device) mai duban gefe. Na'urar tana amfani da ingantacciyar chip na semiconductor AlInGaP (Aluminum Indium Gallium Phosphide) don samar da hasken kori. An tsara shi don tsarin haɗawa ta atomatik kuma ya dace da gyarar IR reflow, wanda ya sa ya dace da samarwa mai yawa. Ana ba da kunshin a kan tef ɗin daidaitaccen masana'antu na 8mm da aka nannade akan reels na inci 7.

1.1 Fa'idodi na Asali

• Ƙarfin Haske:Yana da chip na AlInGaP mai ƙarfi sosai don ƙarfin haske mafi girma.
• Fitowar Duban Gefe:An tsara kunshin don fitar da haske daga gefe, mai dacewa da aikace-aikacen da ke buƙatar hasken gefe ko nuna matsayi akan na'urori masu siririn siffa.
• Dacewa da Masana'antu:Ya dace da kayan aikin ɗauka da sanyawa ta atomatik da daidaitattun bayanan gyarar IR reflow.
• Bin Ka'idojin Muhalli:Samfurin ya cika umarnin RoHS (Ƙuntata Abubuwa Masu Haɗari).
• Ginin Amincewa:Yana da igiyoyin da aka lulluɓe da tin don kyakkyawan gyaruwa da tsawon rayuwa.

1.2 Aikace-aikacen Da Ake Nufi

Wannan LED an yi niyya don amfani da shi a cikin daidaitattun kayan aikin lantarki. Aikace-aikacen yau da kullun sun haɗa da, amma ba'a iyakance su ga:

• Hasken baya don allunan LCD a cikin kayan lantarki na mabukaci.
• Fitilolin matsayi da nuna alama a cikin na'urorin sadarwa, kayan aikin ofis, da kayan aikin gida.
• Hasken panel akan dashboard ɗin mota ko allunan sarrafawa (don ayyukan da ba su da mahimmanci, bisa ga takamaiman cancanta).
• Duk wani aikace-aikacen da ke buƙatar amintaccen, mai haske, tushen hasken kori mai fitar da gefe a cikin ƙaramin kunshin SMD.

2. Bincike Mai Zurfi na Sigogi na Fasaha

Duk sigogi an ƙayyade su a yanayin zafin muhalli (Ta) na 25°C sai dai idan an faɗi akasin haka.

2.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙididdiga suna bayyana iyakokin da za su iya haifar da lalacewa ta dindindin ga na'urar. Ba a ba da garantin aiki a ƙarƙashin waɗannan sharuɗɗan ba.

• Rushewar Wutar Lantarki (Pd):75 mW. Wannan shine matsakaicin wutar da kunshin zai iya ɓarke a matsayin zafi.
• Matsakaicin Halin Yanzu na Gaba (I_FP):80 mA. Wannan shine matsakaicin halin yanzu na nan take, wanda aka yarda da shi kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun 0.1ms).
• Ci gaba da Halin Yanzu na Gaba (I_F):30 mA DC. Wannan shine matsakaicin halin yanzu da aka ba da shawarar don ci gaba da aiki.
• Ƙarfin Lantarki na Baya (V_R):5 V. Wuce wannan ƙarfin lantarki a cikin karkatar da baya zai iya lalata haɗin LED.
• Kewayon Zafin Aiki:-30°C zuwa +85°C. Kewayon zafin muhalli don aiki mai aminci.
• Kewayon Zafin Ajiya:-40°C zuwa +85°C.
• Zafin Gyaruwa:Yana jure gyarar IR reflow tare da matsakaicin zafin 260°C har zuwa dakika 10.

2.2 Halayen Lantarki da Na'ura mai kama da na gani

Waɗannan su ne sigogin aiki na yau da kullun da aka auna a ƙarƙashin daidaitattun sharuɗɗan gwaji (I_F= 20mA).

• Ƙarfin Hasken (I_V):18.0 - 35.0 mcd (millicandela). Adadin hasken da ake iya gani, wanda aka auna akan-axis. Ainihin ƙimar an tsara ta (duba Sashe na 3).
• Kusurwar Dubawa (2θ_1/2):Digiri 130. Wannan shine cikakken kusurwar da ƙarfin haske ya ragu zuwa rabin ƙimar kololuwa (akan-axis). Faɗin kusurwar 130° yana nuna faɗaɗa, tsarin fitarwa mai yaduwa wanda ya dace da hasken gefe.
• Matsakaicin Tsawon Tsawon (λ_P):574 nm. Tsawon tsawon da aka fi rarraba ikon bakan.
• Matsakaicin Tsawon Tsawon (λ_d):568 nm. Wannan shine tsawon tsawon guda ɗaya wanda ya fi wakiltar launin da idon ɗan adam ya gani na LED, wanda aka samo daga madaidaitan launi na CIE. Wannan yana bayyana launin "kori".
• Faɗin Bakan (Δλ):15 nm. Faɗin bakan fitarwa a rabin matsakaicin ikonsa (FWHM). Ƙunƙuntaccen bandwidth yana nuna launi mafi tsafta a cikin bakan.
• Ƙarfin Lantarki na Gaba (V_F):2.0V - 2.4V. Faɗin ƙarfin lantarki a kan LED lokacin da ake tuƙa shi a 20mA. Wannan siga kuma an tsara ta.
• Halin Yanzu na Baya (I_R):10 μA (max). Halin yanzu na ɓarna lokacin da aka yi amfani da 5V a cikin karkatar da baya.

3. Bayanin Tsarin Binning

Don tabbatar da daidaito a cikin samarwa mai yawa, ana rarraba LED ɗin bisa mahimman sigogi. Wannan yana ba masu zane damar zaɓar sassa waɗanda suka cika takamaiman buƙatu don launi, haske, da ƙarfin lantarki.

3.1 Binning Ƙarfin Lantarki na Gaba

Bins suna tabbatar da cewa LED ɗin a cikin kewayawa suna da faɗuwar ƙarfin lantarki iri ɗaya, suna haɓaka daidaiton haske lokacin da ake tuƙa su a layi daya. Haƙuri a cikin kowane kwandon shine ±0.1V.

• Bin 4:1.90V - 2.00V
• Bin 5:2.00V - 2.10V
• Bin 6:2.10V - 2.20V
• Bin 7:2.20V - 2.30V
• Bin 8:2.30V - 2.40V

3.2 Binning Ƙarfin Hasken

Bins suna rarraba LED ɗin ta hanyar fitar da haske. Haƙuri a cikin kowane kwandon shine ±15%.

• Bin M:18.0 mcd - 28.0 mcd
• Bin N:28.0 mcd - 45.0 mcd
• Bin P:45.0 mcd - 71.0 mcd

3.3 Binning Matsakaicin Tsawon Tsawon

Wannan yana tabbatar da daidaiton launi. Haƙuri a cikin kowane kwandon shine ±1nm.

• Bin C:567.5 nm - 570.5 nm
• Bin D:570.5 nm - 573.5 nm
• Bin E:573.5 nm - 576.5 nm

Takamaiman lambar sashi LTST-S220KGKT yana nufin haɗuwa da waɗannan kwandon (mai yiwuwa takamaiman V_F, I_V, da λ_dbin).

4. Bincike Mai Zurfi na Lankwasa Aiki

Yayin da aka ambaci takamaiman zane-zane a cikin takardar bayanai (misali, Fig.1, Fig.5), ana yin binciken mai zuwa bisa daidaitaccen halayen LED da sigogin da aka bayar.

4.1 Halin Halin Yanzu vs. Ƙarfin Lantarki (I-V)

Ƙarfin lantarki na gaba (V_F) yana da ingantaccen coefficient na zafin jiki kuma yana ƙaruwa da logarithmic tare da halin yanzu. Yin aiki a yau da kullun 20mA yana tabbatar da ingantaccen aiki a cikin ƙayyadaddun kewayon V_Fna 2.0-2.4V. Tuƙi LED sama da matsakaicin halin yanzu na DC (30mA) zai haifar da zafi mai yawa, rage inganci (ingancin haske), da rage tsawon rayuwa.

4.2 Dogaro da Zafin Jiki

LED ɗin AlInGaP suna nuna canje-canjen aiki tare da zafin jiki. Yawanci, ƙarfin haske yana raguwa yayin da zafin haɗin yake ƙaruwa. Ƙayyadaddun kewayon aiki na -30°C zuwa +85°C yana bayyana yanayin muhalli inda LED zai yi aiki a cikin ƙayyadaddun bayanansa. Don mafi kyawun tsawon rayuwa da kwanciyar hankali na fitar da haske, ana ba da shawarar kiyaye ƙaramin zafin aiki ta hanyar ingantaccen zane na zafi na PCB.

4.3 Rarraba Bakan

Tare da matsakaicin tsawon tsawon 568nm da faɗin bakan na 15nm, wannan LED yana fitar da hasken kori mai tsafta. Matsakaicin tsawon tsawon (574nm) ya ɗan fi girma fiye da matsakaicin tsawon tsawon, wanda ya zama ruwan dare ga LED ɗin kori na AlInGaP. Faɗin kusurwar dubawa na 130° ya samo asali ne daga ƙirar ruwan tabarau na kunshin, wanda ke yada hasken da ke fitowa daga chip ɗin duban gefe.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin da Polarity

LED ɗin ya yi daidai da daidaitaccen tsarin kunshin EIA don LED ɗin duban gefe. An ba da cikakkun zane-zane masu girma a cikin takardar bayanai, gami da tsawon jiki, faɗi, tsayi, da tazarar jagora. Ana gano cathode ta hanyar alamar gani akan kunshin, kamar notch, koren ɗigo, ko gajeren jagora. Dole ne a kiyaye daidaitaccen polarity yayin haɗawa don hana lalacewa.

5.2 Tsarin Gyaruwa da Aka Ba da Shawara

An ba da shawarar tsarin ƙasa (ƙirar gyaruwa) don PCB don tabbatar da ingantaccen gyaruwa da daidaitaccen daidaitawa. Bin wannan tsarin yana taimakawa wajen samun kyawawan fillets na gyaruwa, ƙarfin injiniya, da daidaitaccen matsayi na ruwan tabarau mai fitar da gefe. Takardar bayanai kuma tana ba da shawarar mafi kyawun yanayin don igiyar gyaruwa ko tsarin reflow don rage yuwuwar lahani na gyaruwa.

6. Jagororin Gyaruwa da Haɗawa

6.1 Bayanin Yanayin Gyaruwa na IR Reflow

LED ɗin ya cancanci tsarin gyaruwa mara gubar (Pb-free). An ba da shawarar cikakken bayanin yanayin zafin reflow, wanda ya dace da ƙa'idodin JEDEC. Mahimman sigogi sun haɗa da:

• Preheat:150-200°C har zuwa dakika 120 don dumama taron a hankali da kunna flux.
• Matsakaicin Zafin Jiki:Matsakaicin 260°C.
• Lokaci Sama da Liquidus (TAL):Lokacin da ke cikin 5°C na matsakaicin zafin jiki yakamata a iyakance shi zuwa matsakaicin dakika 10.
• Adadin Zagayowar:LED ɗin zai iya jure matsakaicin zagayowar reflow guda biyu a ƙarƙashin waɗannan sharuɗɗan.

Yana da mahimmanci a lura cewa mafi kyawun bayanin ya dogara da takamaiman ƙirar PCB, manna gyaruwa, da tanda. Bayanin da aka bayar yana aiki a matsayin farawa wanda dole ne a tabbatar da shi don saitin samarwa na ainihi.

6.2 Gyaruwa da Hannu

Idan gyaruwa da hannu ya zama dole, dole ne a yi taka tsantsan:

• Yi amfani da ƙarfe mai sarrafa zafin jiki da aka saita zuwa matsakaicin 300°C.
• Iyakance lokacin gyaruwa kowane jagora zuwa matsakaicin dakika 3.
• Yi amfani da zafi ga gindin PCB, ba kai tsaye ga jikin LED ba.
• Ba da isasshen lokacin sanyaya tsakanin haɗin gwiwa.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan gyaruwa, yi amfani da takamaiman kaushi kawai don guje wa lalata ruwan tabarau na filastik da kunshin. Abubuwan da aka ba da shawarar sune ethyl alcohol ko isopropyl alcohol (IPA). Yakamata a nutsar da LED a daidaitaccen zafin ɗaki na ƙasa da minti ɗaya. Dole ne a guji munanan ko sinadarai marasa ƙayyadewa.

6.4 Ajiya da Sarrafawa

Hatsarin ESD:LED ɗin suna da hankali ga fitar da wutar lantarki (ESD). Dole ne a sami ingantattun sarrafawa na ESD a wuri yayin sarrafawa, gami da amfani da igiyoyin wuyan hannu masu ƙasa, tabarma mai hana tashin hankali, da kwantena masu ɗaukar wutar lantarki.

Hankalin Danshi:Kunshin yana da hankali ga danshi. Reels ɗin da ba a buɗe ba (wanda aka rufe tare da desiccant) yakamata a adana su a ≤30°C da ≤90% RH kuma a yi amfani da su cikin shekara guda. Da zarar an buɗe ainihin marufi, yakamata a adana LED ɗin a ≤30°C da ≤60% RH. Don tsawaita ajiya a waje da ainihin jakar, a adana a cikin akwati mai rufi tare da desiccant. Abubuwan da aka buɗe ajiya fiye da mako guda yakamata a gasa su a kusan 60°C na aƙalla sa'o'i 20 kafin gyaruwa don cire danshin da aka sha da hana "popcorning" yayin reflow.

7. Bayanin Marufi da Oda

7.1 Ƙayyadaddun Tef da Reel

Ana ba da LED ɗin akan tef ɗin mai ɗaukar hoto don haɗawa ta atomatik.

• Faɗin Tef:8 mm.
• Diamita na Reel:Inci 7 (178 mm).
• Adadin kowane Reel:Guda 4000 (daidaitaccen cikakken reel).
• Mafi ƙarancin Adadin Kunshin:Guda 500 don ɓangarorin reels ko ragowar.
• Daidaitaccen Kunshin:Ya bi ƙa'idodin ANSI/EIA-481.
• Tef ɗin Murfi:Aljihun da ba kowa a kan tef ɗin mai ɗaukar kaya ana rufe su da tef ɗin murfi na sama.

8. Bayanan Aikace-aikace da Abubuwan Ƙira

8.1 Iyakance Halin Yanzu

LED na'ura ce mai tuƙi ta halin yanzu. Resistor na iyakance halin yanzu a jere ya zama dole lokacin tuƙi daga tushen ƙarfin lantarki. Ana iya ƙididdige ƙimar resistor ta amfani da Dokar Ohm: R = (V_source- V_F) / I_F. Koyaushe yi amfani da matsakaicin V_Fdaga takardar bayanai (2.4V) don ƙirar mafi munin yanayi don tabbatar da cewa halin yanzu bai wuce matakin da ake so ba (misali, 20mA). Don daidaito ko kwanciyar hankali na dogon lokaci, yi la'akari da amfani da da'irar tuƙi ta halin yanzu akai-akai.

8.2 Gudanar da Zafin Jiki

Ko da yake ɓarnawar wutar lantarki tana da ƙasa (75mW max), ingantaccen sarrafa zafin jiki yana da mahimmanci ga aminci da kiyaye fitar da haske. Tabbatar da cewa PCB yana da isasshen yanki na jan ƙarfe da aka haɗa zuwa gindin zafi na LED (idan ya dace) ko gindin gyaruwa don fitar da zafi daga haɗin gwiwa. Guji sanya LED kusa da wasu abubuwan da ke haifar da zafi.

8.3 Ƙirar Na'ura mai kama da na gani

Fitarwar duban gefe da kusurwar dubawa na 130° sun sa wannan LED ya dace da aikace-aikacen da ke buƙatar jagorar haske daidai da saman PCB, kamar cikin farantin jagorar haske don nunin hasken gefe ko don haskaka abubuwan da ke kusa. Yi la'akari da bayanin ruwan tabarau da tsarin fitarwa lokacin ƙira bututun haske, masu yaduwa, ko buɗaɗɗen don cimma sakamakon na'ura mai kama da na gani da ake so.

9. Kwatancin Fasaha da Bambance-bambance

Idan aka kwatanta da tsohuwar fasaha kamar GaP (Gallium Phosphide) LED ɗin kori, AlInGaP yana ba da ƙarfin haske da inganci sosai. Idan aka kwatanta da LED ɗin kori na InGaN (Indium Gallium Nitride), AlInGaP yawanci yana ba da ingantaccen aiki a cikin ainihin bakan kori zuwa rawaya-kori (kusan 570nm) tare da inganci mafi girma da mafi kwanciyar hankali tsawon tsawon tsawon zafin jiki da halin yanzu. Kunshin duban gefe ya bambanta shi da LED ɗin da ke fitar da sama, yana magance takamaiman ƙuntatawa na sarari a cikin ƙira.

10. Tambayoyin da Ake Yi Akai-akai (FAQ)

10.1 Wane resistor ne ya kamata in yi amfani da shi tare da samar da 5V?

Yin amfani da matsakaicin V_Fna 2.4V da manufa I_Fna 20mA: R = (5V - 2.4V) / 0.02A = 130 Ohms. Mafi kusancin ƙimar daidaitaccen shine 130Ω ko 150Ω. Resistor na 150Ω zai haifar da ɗan ƙaramin halin yanzu, wanda yake da aminci kuma yana adana wutar lantarki.

10.2 Shin zan iya tuƙa wannan LED ba tare da resistor mai iyakance halin yanzu ba?

A'a. Haɗa LED kai tsaye zuwa tushen ƙarfin lantarki zai haifar da wuce gona da iri na halin yanzu, yana dumama da sauri da lalata na'urar. Koyaushe ana buƙatar resistor a jere ko da'irar halin yanzu akai-akai.

10.3 Me yasa akwai tsarin binning?

Samar da semiconductor yana da bambance-bambance na halitta. Binning yana rarraba LED ɗin zuwa ƙungiyoyi tare da sigogi masu ƙarfi (launi, haske, ƙarfin lantarki), yana ba masu zane damar samo sassa tare da daidaitaccen aiki don aikace-aikacensu, suna tabbatar da daidaiton bayyanar da aiki a cikin samfurin ƙarshe.

10.4 Ta yaya zan gano cathode?

Koma ga zanen tsarin kunshin a cikin takardar bayanai. Don wannan kunshin duban gefe, yawanci ana nuna cathode da koren ɗigo a saman kunshin ko notch/chamfer a ƙarshen jiki. Jagoran da aka haɗa zuwa cathode kuma yana iya zama ɗan gajere.

11. Misalin Aikace-aikace na Aiki

Yanayi: Nuna Alamar Matsayi akan Na'urar da ake ɗauka

Mai zane yana ƙirƙirar na'urar hannu mai siriri. Suna buƙatar ƙaramin wutar lantarki, hasken kori mai haske don nuna matsayin "a shirye". Sarari yana da iyaka sosai a gefen babban PCB.

Mafita:LTST-S220KGKT shine zaɓi mai dacewa. Fitarwar duban gefe yana ba shi damar ɗora shi a kan PCB, tare da ruwan tabarau daidai a gefen allon. Ƙaramin bututun haske ko buɗaɗɗen taga a cikin ginin zai iya tura hasken zuwa waje. Mai zane yana tuƙa shi a 15mA (ƙasa da 20mA na yau da kullun) ta amfani da filin GPIO daga microcontroller tare da resistor a jere, yana adana rayuwar baturi yayin da har yanzu yana ba da isasshen haske. Dacewa da gyarar reflow yana sauƙaƙa haɗawa ta atomatik na dukan PCB.

12. Gabatarwar Ka'idar Fasaha

Wannan LED ya dogara ne akan fasahar semiconductor AlInGaP. Chip ɗin ya ƙunshi yadudduka na Aluminum, Indium, Gallium, da gawa na Phosphide waɗanda aka girma epitaxially akan substrate. Lokacin da aka yi amfani da ƙarfin lantarki na gaba, ana shigar da electrons da ramuka cikin yankin aiki inda suke sake haɗuwa, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na AlInGaP yana ƙayyade ƙarfin bandgap, wanda kai tsaye yana bayyana tsawon tsawon (launi) na hasken da aka fitar—a wannan yanayin, kori a 568nm. Kunshin duban gefe ya haɗa da chip ɗin da aka ɗora akan firam ɗin jagora, igiyar igiya, da kuma an rufe shi a cikin ruwan tabarau na filastik da aka ƙera wanda ke siffanta fitar da haske.

13. Trends na Masana'antu da Ci gaba

Gabaɗayan yanayin fasahar LED yana zuwa ga inganci mafi girma (lumens mafi yawa kowace watt), ƙara yawan wutar lantarki, da mafi girman daidaiton launi da sarrafawa. Don aikace-aikacen nuna alama da hasken baya, ƙananan ƙira yana ci gaba yayin da ake kiyayewa ko inganta aikin na'ura mai kama da na gani. Har ila yau, ana ƙara mai da hankali kan faɗaɗa kewayon zafin aiki da haɓaka aminci don aikace-aikacen mota da masana'antu. Yayin da wannan takamaiman sashi yana wakiltar fasaha mai girma kuma mai aminci, ci gaban kimiyyar kayan aiki da ƙirƙirar marufi suna ci gaba da tura iyakokin abin da zai yiwu a cikin hasken ƙwaƙƙwaran jiki da nuna alama.