Bayanin Fasaha na Dual Color SMD LED LTST-C295KGKSKT - Girman Kunshin - Kore/Rawa - 20mA - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfurin

Wannan takarda ta ba da cikakken bayani game da ƙayyadaddun bayanai na LED mai hawa a saman, mai launi biyu. Na'urar tana haɗa ƙananan ƙwayoyin semiconductor guda biyu na AlInGaP a cikin kunshi ɗaya mai siriri sosai, wanda ke ba da damar fitar da haske mai launin kore da rawa. An ƙera shi don dacewa da tsarin haɗawa ta atomatik da dabarun gishiri marasa gubar na zamani, wanda ya sa ya dace da masana'antu masu yawan samarwa.

Babban fa'idodin wannan ɓangaren sun haɗa da ƙaramin siffarsa, ƙarfin haske mai ƙarfi daga fasahar AlInGaP ta ci gaba, da kuma bin ka'idojin muhalli. An yi niyya ne don aikace-aikace a cikin na'urorin lantarki na masu amfani, alamomin masana'antu, hasken cikin mota, da sauran alamomin gama gari inda ake buƙatar ingantaccen nuni mai launi biyu a cikin ƙaramin wuri.

2. Zurfin Bincike na Ƙayyadaddun Fasaha

2.1 Iyakar Ma'auni Mafi Girma

Waɗannan ma'auni suna ayyana iyakokin damuwa waɗanda za su iya haifar da lalacewa na dindindin ga na'urar. Ba a ba da garantin aiki a ƙarƙashin waɗannan sharuɗɗan ba. Ga duka ƙwayoyin kore da rawa:

• Rushewar Wutar Lantarki (Pd):75 mW. Wannan shine iyakar wutar lantarki da LED zata iya fitarwa a matsayin zafi.
• Matsakaicin Halin Yanzu na Gaba (I_FP):80 mA. Wannan yana yiwuwa ne kawai a ƙarƙashin yanayin bugun jini (1/10 aikin hawan keke, faɗin bugun 0.1ms) don hana yin zafi sosai.
• Ci gaba da Halin Yanzu na Gaba (I_F):30 mA DC. Wannan shine shawarar mafi girman halin yanzu don ci gaba da aiki.
• Ƙarfin Wutar Lantarki na Baya (V_R):5 V. Wucewa wannan ƙarfin wutar lantarki a cikin karkatar da baya na iya rushe haɗin semiconductor.
• Zafin Aiki (T_opr):-30°C zuwa +85°C. Kewayon yanayin zafin da ake amfani da shi don aiki mai dogaro.
• Zafin Ajiya (T_stg):-40°C zuwa +85°C.

2.2 Halayen Lantarki da Gani

An auna a Ta=25°C da I_F=20mA, waɗannan sigogi suna ayyana aikin na'urar a ƙarƙashin yanayin aiki na yau da kullun.

• Ƙarfin Hasken (I_V):Ƙwayar kore tana da mafi ƙarancin 18.0 mcd da matsakaicin 112.0 mcd. Ƙwayar rawa tana da mafi ƙarancin 28.0 mcd da matsakaicin 180.0 mcd. Ba a ƙayyade ƙimar yau da kullun ba, wanda ke nuna aikin an ayyana shi ta tsarin binning.
• Kusurwar Dubawa (2θ_1/2):Digiri 130 (na yau da kullun). Wannan faɗin kusurwar dubawa ya sa LED ya dace da aikace-aikacen da ke buƙatar ganuwa daga faɗin hangen nesa.
• Matsakaicin Tsawon Tsawon (λ_P):574 nm (kore, na yau da kullun) da 591 nm (rawa, na yau da kullun). Wannan shine tsawon tsawon lokacin da mafi girman ƙarfin haske ke fitowa.
• Matsakaicin Tsawon Tsawon (λ_d):571 nm (kore, na yau da kullun) da 589 nm (rawa, na yau da kullun). Wannan shine tsawon tsawon guda ɗaya da idon ɗan adam ke gani, wanda ke ayyana wurin launi akan zanen CIE chromaticity.
• Faɗin Tsawon Tsawon (Δλ):15 nm (na yau da kullun) ga duka launuka, yana nuna fitowar launi mai tsafta.
• Ƙarfin Wutar Lantarki na Gaba (V_F):2.0 V (na yau da kullun), 2.4 V (matsakaici) a 20mA. Wannan ƙaramin ƙarfin wutar lantarki yana dacewa da na'urorin wutar lantarki na yau da kullun.
• Halin Yanzu na Baya (I_R):10 μA (matsakaici) a V_R=5V.

3. Bayanin Tsarin Binning

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LED zuwa kwandon shara. Wannan na'urar tana amfani da tsarin binning na ƙarfin haske.

3.1 Binning na Ƙwayar Kore

Kwandon shara: M (18.0-28.0 mcd), N (28.0-45.0 mcd), P (45.0-71.0 mcd), Q (71.0-112.0 mcd). Kowane kwandon shara yana da juzu'i na +/-15%.

3.2 Binning na Ƙwayar Rawa

Kwandon shara: N (28.0-45.0 mcd), P (45.0-71.0 mcd), Q (71.0-112.0 mcd), R (112.0-180.0 mcd). Kowane kwandon shara yana da juzu'i na +/-15%.

Dole ne masu ƙira su ƙayyade lambobin kwandon shara da ake buƙata lokacin yin oda don tabbatar da matakan haske da ake so don aikace-aikacensu. Babu wani rarrabuwar tsawon tsawon launi/launi da aka nuna, yana nuna tsauraran kulawa akan tsawon tsawon da ke rinjaye yayin samarwa.

4. Bincike na Lankwasa Aiki

Yayin da aka ambaci takamaiman bayanan hoto amma ba a cikakken bayani a cikin rubutun da aka bayar ba, lankwasan na yau da kullun don irin wannan na'urar zai haɗa da:

• Lankwasa I-V (Halin Yanzu-Ƙarfin Wutar Lantarki):Yana nuna alaƙar ma'auni tsakanin ƙarfin wutar lantarki na gaba da halin yanzu. Lankwasa zai sami halin ƙarfin wutar lantarki na "gwiwa" a kusa da 2.0V.
• Ƙarfin Hasken vs. Halin Yanzu na Gaba:Alaƙa mai kama da layi har zuwa matsakaicin halin yanzu da aka ƙayyade, bayan haka inganci na iya raguwa saboda dumama.
• Ƙarfin Hasken vs. Yanayin Zafi:Yana nuna raguwar fitowar haske yayin da zafin haɗin ke tashi, wani muhimmin abu ne don sarrafa zafi a cikin ƙira.
• Rarraba Tsawon Tsawon:Zane-zane da ke nuna ƙarfin haske mai alaƙa da tsawon tsawon, yana kololuwa a ƙayyadadden λ_Ptare da faɗin da Δλ ya ayyana.

5. Bayanin Injiniya da Kunshi

Na'urar tana da kunshin SMD na ƙa'idar masana'antu. Muhimman bayanan injiniya sun haɗa da:

• Kunshin yana da siriri sosai tare da tsayi na 0.55 mm.
• Duk girmansu suna amfani da milimita a matsayin babban raka'a, tare da juzu'i na gabaɗaya na ±0.10 mm sai dai idan an ƙayyade.
• Aikin fil ɗin shine: LED kore akan fil ɗin 1 da 3, LED rawa akan fil ɗin 2 da 4. Wannan tsarin cathode ko anode na gama gari (ba a bayyana shi a sarari ba amma na yau da kullun ga LED biyu) yana ba da damar sarrafa kowane launi da kansa.
• Ruwan tabarau yana da tsabta, yana ba da damar ganin ainihin launin ƙwayar.
• An ba da cikakkun zane-zane na girman kunshi, girman tef, da ƙayyadaddun reel (diamita inci 7, guda 4000 a kowace reel) don ƙirar ƙirar ƙasa ta PCB da sarrafawa ta atomatik.

6. Jagoran Gishiri da Haɗawa

6.1 Bayanin Yanayin Gishiri Reflow

An ba da shawarar bayanin reflow na infrared don hanyoyin marasa gubar. Muhimman sigogi sun haɗa da:

• Pre-heat:150-200°C.
• Lokacin Pre-heat:Matsakaicin dakika 120.
• Matsakaicin Zafi:Matsakaicin 260°C.
• Lokacin Sama da Liquidus:Dakika 10 matsakaici (ana ba da shawarar matsakaicin sake zagayowar reflow guda biyu).
• Bayanin ya dogara ne akan ƙa'idodin JEDEC don tabbatar da hawa mai dogaro ba tare da lalata kunshin LED ko haɗin waya na ciki ba.

6.2 Gishiri da Hannu

Idan ya cancanta, gishiri da hannu tare da ƙarfe yana yiwuwa tare da iyakoki:

• Zafin Ƙarfe:Matsakaicin 300°C.
• Lokacin Gishiri:Matsakaicin dakika 3 a kowane haɗin gwiwa, sau ɗaya kawai.

6.3 Ajiya da Sarrafawa

• Tsauraran Matakan ESD:Na'urar tana da hankali ga fitar da wutar lantarki ta electrostatic. Yi amfani da igiyoyin wuyan hannu, kayan aikin da aka kafa, da kuma kunshin anti-static.
• Hankalin Danshi:Lokacin da aka rufe a cikin ainihin jakar kariya daga danshi tare da desiccant, rayuwar shiryayye shekara ɗaya ne a ≤30°C/90%RH. Da zarar an buɗe, yakamata a yi amfani da LED a cikin mako guda ko a gasa (60°C na sa'o'i 20+) kafin reflow idan an adana tsawon lokaci.
• Tsaftacewa:Kawai yi amfani da takamaiman kaushi kamar barasa na ethyl ko isopropyl alcohol a zafin daki na ƙasa da minti ɗaya. Sinadarai da ba a ƙayyade ba na iya lalata ruwan tabarau na epoxy.

7. Kunshi da Oda

Ana samar da na'urar a cikin tef na 8mm akan reels masu diamita inci 7 don dacewa da injunan ɗauka da sanyawa ta atomatik. Mafi ƙarancin adadin oda na ragowar guda 500 ne. Ƙayyadaddun tef da reel suna bin ƙa'idodin ANSI/EIA 481.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

• Alamomin Matsayi:Ƙarfin launi biyu yana ba da damar nuna matakai da yawa (misali, kore=Laifi, rawa=Gargadi) a cikin ƙaramin wurin ɓangaren.
• Hasken Baya:Don ƙananan nunin LCD ko maɓallan maɓalli waɗanda ke buƙatar amsawar launi da aka keɓance.
• Kayan Lantarki na Masu Amfani:Maɓallan wuta, fitilun matsayin caji, hasken kayan ado a cikin ƙananan na'urori.
• Cikin Mota:Hasken dashboard da panel iko inda sarari ya iyakance.

8.2 Abubuwan Ƙira

• Iyakance Halin Yanzu:Koyaushe yi amfani da resistor na jerin ko direba mai ci gaba da halin yanzu don iyakance halin yanzu na gaba zuwa 30mA DC ko ƙasa da haka a kowane ƙwayar.
• Gudanar da Zafi:Tabbatar da isasshen yanki na tagulla na PCB ko ramukan zafi don watsar da zafi, musamman idan ana aiki kusa da matsakaicin halin yanzu ko a cikin yanayin zafi mai girma, don kiyaye fitowar haske da tsawon rai.
• Tsarin Ƙasa na PCB:Bi ƙayyadaddun girman kushin gishiri don tabbatar da ingantaccen gishiri da kwanciyar hankali na injiniya.
• Ƙirar Gani:Faɗin kusurwar dubawa na digiri 130 na iya buƙatar jagororin haske ko masu watsawa idan ana son ƙarin haske mai mai da hankali.

9. Kwatancen Fasaha da Bambanci

Idan aka kwatanta da tsoffin LED masu launi ɗaya ko waɗanda ke amfani da kayan semiconductor daban-daban (kamar GaP na gargajiya), wannan LED mai launi biyu na AlInGaP yana ba da:

• Mafi Girman Ingantacciyar Aiki:Fasahar AlInGaP tana ba da mafi girman ƙarfin haske a kowace raka'a na halin yanzu (mcd/mA) don launin amber/rawa/kore idan aka kwatanta da tsofaffin fasahohi.
• Tanadin Sarari:Haɗa launuka biyu zuwa kunshi ɗaya mai siriri 0.55mm yana rage yankin PCB da adadin ɓangaren idan aka kwatanta da amfani da LED guda biyu.
• Dacewar Tsari:Cikakkiyar dacewa tare da gishiri reflow na infrared da sanyawa ta atomatik yana sauƙaƙe layukan haɗawa na SMT na zamani.

10. Tambayoyin da ake yawan yi (Dangane da Sigogin Fasaha)

Q: Shin zan iya tuƙi duka LED kore da rawa a 30mA lokaci guda?

A: Matsakaicin iyakar wutar lantarki da za a iya watsarwa shine 75mW a kowane ƙwayar. A ƙimar Vf na yau da kullun na 2.0V da 30mA, kowane ƙwayar tana watsar da 60mW (P=I*V). Tuƙi duka biyun lokaci guda zai watsar da 120mW gabaɗaya, wanda ya wuce ƙimar kowane ƙwayar kuma yana buƙatar bincike mai kyau na zafi. Yana da aminci don yin aiki ƙasa da matsakaicin iyakar, watakila a 20mA kamar yadda aka yi amfani da shi a cikin yanayin gwaji.

Q: Menene bambanci tsakanin tsawon tsawon kololuwa da tsawon tsawon da ke rinjaye?

A: Tsawon tsawon kololuwa (λ_P) shine ma'aunin zahiri na mafi girman matsayi a cikin bakan fitarwa na LED. Tsawon tsawon da ke rinjaye (λ_d) ƙima ce da aka ƙididdige ta dangane da fahimtar launi na ɗan adam (gidan CIE) wanda ke wakiltar "launi" da muke gani. Don tushen monochromatic kamar wannan LED, suna kusa sosai.

Q: Ta yaya zan fassara lambobin kwandon shara lokacin ƙira?

A: Zaɓi kwandon shara wanda ke ba da garantin mafi ƙarancin haske da ake buƙata. Misali, idan ƙirar ku tana buƙatar aƙalla 50 mcd daga LED rawa, dole ne ku ƙayyade kwandon shara Q (71.0-112.0 mcd) ko mafi girma, saboda kwandon shara P yana ba da garantin har zuwa 71.0 mcd kawai.

11. Yanayin Ƙira da Amfani na Aiki

Hali: Alamar Matsayin Tsarin Matsayi Biyu

A cikin na'urar likita mai ɗaukuwa, ana amfani da LED guda ɗaya don nuna baturi da matsayin tsarin. Microcontroller yana tuƙi filayen da kansu.

- Daidaitawar Lantarki:Fil ɗin GPIO guda biyu, kowanne yana haɗe ta hanyar resistor mai iyakance halin yanzu na 100Ω (wanda aka ƙididdige don ~20mA daga wadatar 3.3V: R = (3.3V - 2.0V) / 0.02A ≈ 65Ω; 100Ω yana ba da gefen aminci) zuwa anode na launin LED daban-daban. An haɗa cathodes zuwa ƙasa.

- Dabaru:Kore = Tsarin Yana Aiki / Na Al'ada. Rawa = Cargar Baturi / Gargadin Ƙananan. Duka kashe = Tsarin Kashe. Wannan aiwatarwa yana adana sarari, yana sauƙaƙa mu'amalar mai amfani, kuma an haɗa shi ta amfani da hanyoyin reflow na SMT na yau da kullun bin bayanin da aka bayar.

12. Gabatarwar Ƙa'idar Aiki

Wannan LED ya dogara ne akan kayan semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide). Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba a kan haɗin p-n, ana shigar da electrons da ramuka zuwa yankin aiki inda suke sake haɗuwa. Wannan tsarin sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na AlInGaP yana ƙayyade ƙarfin bandgap, wanda kai tsaye yana ƙayyade tsawon tsawon (launi) na hasken da aka fitar - kore a ~571nm da rawa a ~589nm a cikin wannan na'urar. Ƙwayoyin biyu an ajiye su a cikin kunshi ɗaya na epoxy tare da ruwan tabarau mai tsabta wanda ke rage shan haske kuma yana ba da kariya daga muhalli.

13. Trends na Fasaha

Ci gaban LED yana ci gaba da mayar da hankali kan wasu mahimman wurare masu alaƙa da wannan ɓangaren: ƙara ingancin haske (ƙarin fitowar haske a kowace watt na lantarki), ingantaccen daidaiton launi da jikewa, ƙarin ƙananan kunshi, da ingantaccen dogaro a ƙarƙashin yanayin zafi da ɗanɗano mafi girma. Amfani da ci-gaban kayan semiconductor kamar AlInGaP don bakan amber-kore yana wakiltar fasaha mai girma amma ingantacce, yana ba da ma'auni mai ƙarfi na aiki, farashi, da dogaro don aikace-aikacen nuni. Trends na gaba na iya haɗawa da haɗa kayan aikin tuƙi a cikin kunshi ko ma faɗin bakan da za a iya daidaitawa.