Takardar Bayanin Siffofin Fitilun LED Mai Sauko SMD Yellow 3030 - Girman 3.0x3.0x0.55mm - Voltage 2.0-2.6V - Kalar Yellow - Karfin ~0.8W - Takarda ta Fasaha ta Turanci

1. Bayani Gaba Daya na Samfur

Wannan takarda ta bayyana cikakkun bayanai game da siffofin babban aikin Fitilun LED mai Sauko SMD na Yellow. Na'urar tana da girman 3.0mm x 3.0mm tare da tsayin 0.55mm, wanda ya sa ya dace da aikace-aikacen da ke da karancin sarari kuma yana bukatar fitar da haske mai karfi da dogaro.

1.1 Amfanai Masu Muhimmanci da Kasuwar Da Ake Heta

Babban amfanin wannan LED sun hada da marufin sa na Epoxy Molding Compound (EMC), wanda ke ba da kyakkyawan kwanciyar hankali na zafi da muhalli, da kuma fadin kusurwar gani mai girman digiri 120 don samar da haske mai daidaito. An tsara shi don hanyoyin hadawa na atomatik na SMT kuma ana samar da shi akan tef da reel. Samfurin ya cancanta bisa ga madaidaicin jagororin gwajin danniya na AEC-Q102 don na'urori masu zaman kansu na mota, wanda ya sa kasuwarsa ta farko ita ce hasken mota na ciki da na waje. Haka nan ya bi ka'idojin muhalli na RoHS da REACH.

2. Bincike Mai zurfi na Siffofin Fasaha

Ana bayyana siffofi masu zuwa a daidaitan yanayin gwaji na zafin junction (Tj) na 25°C da kuma halin yanzu na gaba (IF) na 350mA, sai dai idan an bayyana wani abu daban.

2.1 Siffofin Wutar Lantarki da na Gani

Voltage na Gaba (VF):Yana farawa daga mafi kankanin 2.0V zuwa mafi girma 2.6V, tare da madaidaicin darajar 2.31V. Wannan siga tana da mahimmanci ga tsarin da'irar turawa da lissafin narkar da wutar lantarki.

Juzu'in Hasken da Ake Iya Gani (Φ):Fitar haske tana farawa daga 37 lm (mummunan) zuwa 55.3 lm (mafi girma), tare da madaidaicin darajar 45 lm. An samu wannan babban haske daga kayan na'urar semiconductor na AlGaInP.

Matsakaicin Tsayin Tsawon Watsawa (Wd):Yana bayyana kala da mutum ke gani na LED. Yana farawa daga 587 nm zuwa 597 nm, yana sanya shi a tsaye a yankin rawaya na bayyanannen haske, tare da madaidaicin darajar 590 nm.

Kusurwar Dubawa (2θ1/2):Cikakken nisa a rabin matsayi na girma shine digiri 120, yana ba da tsarin fitarwa mai fadi da daidaito.

Juriya na Zafi (RthJ-S):Juriya na zafi daga junction zuwa wurin solder shine mafi girma na 20 °C/W. Wannan wata muhimmiyar siffa ce don tsarin sarrafa zafi don hana yin zafi sosai.

Halin Yanzu na Baya (IR):An iyakance shi zuwa mafi girma na 10 µA a wutar baya na 5V.

2.2 Matsakaicin Matsayi na Gaba Daya

Wadannan matsayi suna bayyana iyakokin da wata lahani mai dorewa na iya faruwa bayansu. Ba a ba da shawarar sarrafa na'urar a ci gaba a wadannan iyakokin.

• Rarrabuwar Karfi (PD):1092 mW
• Halin Yanzu na Gaba na Ci Gaba (IF):420 mA
• Kololuwar Halin Yanzu na Gaba (IFP):700 mA (a cikin yanayin aiki na 1/10, nisa mai nisa na 10ms)
• Voltage na Baya (VR):5 V
• Fitarwa na Tashin Hankali na Lantarki (ESD) HBM:2000 V (tare da samar da sama da 90%)
• Zafin Aiki (TOPR):-40°C zuwa +125°C
• Zafin Ajiya (TSTG):-40°C zuwa +125°C
• Matsakaicin Zafin Junction (TJ):150°C

3. Bayanin Tsarin Bin

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana raba LED zuwa bins bisa ga mahimman siffofi da aka auna a IF=350mA.

3.1 Bin na Voltage na Gaba

Ana yin bin voltage a cikin matakai na 0.1V daga 2.0-2.1V (Bin C1) har zuwa 2.5-2.6V (Bin E2). Masu tsara na iya zabar bins don dacewa da bukatun wutar lantarki da tsarin zafi.

3.2 Bin na Juzu'in Hasken da Ake Iya Gani

Ana yin bin fitar haske zuwa rukuni hudu: NA (37.0-40.9 lm), NB (40.9-45.3 lm), OA (45.3-50.0 lm), da OB (50.0-55.3 lm). Wannan yana ba da damar zabar bisa ga matakan haske da ake bukata.

3.3 Bin na Matsakaicin Tsayin Tsawon Watsawa

Ana yin bin kalar rawaya zuwa wurare guda hudu na tsawon tsawon watsawa: B1 (587-589.5 nm), B2 (589.5-592 nm), C1 (592-594.5 nm), da C2 (594.5-597 nm). Wannan yana tabbatar da daidaitaccen daidaita launi a cikin aikace-aikace, wanda ke da mahimmanci ga siginar mota da hasken ciki.

4. Bincike akan lanƙwan Ayyuka

Bayanan sun hada da daidaitattun lanƙwan siffofi wadanda ke kwatanta halayen na'urar a cikin yanayi daban-daban.

4.1 Lanƙwan Siffar IV

Lanƙwan Voltage na Gaba vs. Halin Yanzu na Gaba yana nuna dangantakar da ba ta layi daya ba na diodes. A cikin kimantawar 350mA, wutar lantarki ita ce madaidaicin 2.31V. Lanƙwan yana da mahimmanci don fahimtar juriya mai karfi na LED da kuma tsara turawa na ci gaba na halin yanzu.

4.2 Hankali na Gani vs. Siffofin Wutar Lantarki/Zafi

Sauran lanƙwan da aka saba hadawa (kuma aka samu daga bayanan bin) za su nuna:

- Juzu'in Hasken da Ake Iya Gani vs. Halin Yanzu na Gaba:Fitar haske tana karuwa tare da halin yanzu amma a karshe za ta cika kuma ta ragu saboda zafi.

- Matsakaicin Tsayin Tsawon Watsawa vs. Zafin Junction:Kololuwar tsawon tsawon watsawa na LED na AlGaInP gaba daya yana canzawa tare da zazzabi, wanda zai iya shafar kwanciyar hankali na wurin launi. Daidaitaccen sarrafa zafi yana da mahimmanci don rage wannan canji.

- Voltage na Gaba vs. Zafin Junction:Wutar lantarki na gaba tana da ma'aunin zafi mara kyau, yana raguwa yayin da zafin jiki ya tashi. Ana iya amfani da wannan a wasu da'irorin fahimtar zafi.

5. Bayanin Injiniya da Marufi

5.1 Girman Marufi

Na'urar tana da daidaitaccen girman 3030 (3.0mm x 3.0mm). Matsakaicin tsayi shine 0.55mm ± 0.2mm. Cikakkun bayanai na sama, gefe, da kuma rabin su sun bayyana ainihin siffar da wuraren tashar.

5.2 Gano Iri da Tsarin Solder Pad

Ana yiwa alama a sarari a saman na'urar. Ana ba da shawarar tsarin filin solder (girman sawu) don tsarin PCB. Tsarin ba shi da daidaito (2.40mm x 1.55mm na anode da 0.65mm x 1.55mm na cathode), wanda ke taimakawa wajen duba na gani na atomatik (AOI) bayan solder kuma yana ba da babban pad na zafi ga anode don inganta narkar da zafi.

6. Jagororin Solder da Haɗawa

6.1 Bayanin Yanayin Solder na SMT Reflow

Na'urar ta dace da daidaitattun hanyoyin solder na SMT reflow. Ana ba da shawarar takamaiman bayanin zafin solder na reflow, wanda yawanci ya hada da:

- Yankin preheat don haɓaka zafin jiki a hankali da kuma kunna flux.

- Yankin jika don daidaita zazzabi a cikin PCB.

- Yankin reflow tare da kololuwar zafin jiki wanda bai wuce 260°C ba don wani lokaci (misali, dakika 10 sama da 240°C).

- Yankin sanyaya da aka sarrafa.

Bin wannan bayanin yana hana girgizar zafi kuma yana tabbatar da haɗin solder na dogaro.

6.2 Tsare-tsare na Sarrafa da Ajiya

Matsayin Hankali na Danshi (MSL) an kimanta shi mataki na 2. Wannan yana nufin ana iya adana marufin a yanayin yanayi (<30°C/60% RH) har zuwa shekara guda. Idan an bude jakar bushewa ta masana'anta, dole ne a yi solder da kayan a cikin sa'o'i 168 (mako 1) idan aka ajiye su a <30°C/60% RH, ko kuma dole ne a sake gasa su kafin amfani. Daidaitattun matakan kariya na ESD (ta amfani da wuraren aiki masu tushe, igiyoyin wuyan hannu) wajibi ne saboda na'urar tana da hankali ga fitarwa na tashin hankali na lantarki.

7. Marufi da Dogaro

7.1 Siffofin Marufi

Ana samar da LED akan tef na ɗaukar kaya da aka dora akan reels don injunan ɗauka da sanya atomatik. Ana bayyana cikakkun bayanai game da aljihu na tef mai ɗaukar kaya (don riƙe kayan 3.0x3.0mm) da reel (daidaitacce ko girman keɓaɓɓe). Lakabin da ke kan reel yana ba da bayanan gano kamar lambar sashi, adadi, lambar kuri'a, da lambar kwanan wata.

7.2 Gwajin Dogaro

Samfurin yana fuskantar cikakken jerin gwaje-gwajen dogaro bisa ga AEC-Q102. An tsara waɗannan gwaje-gwaje don kwatanta yanayin aiki mai tsanani da amfani na dogon lokaci. Abubuwan gwaji masu mahimmanci sun hada da:

- Rayuwar Aiki mai Zafi (HTOL):Sarrafa LED a babban zafin jiki da halin yanzu don hanzarta tsufa.

- Zagayowar Zazzabi (TC):Zagayowar tsakanin matsanancin zafi da sanyi don gwada danniya na injiniya.

- Gwaje-gwajen Juriyar Danshi:Fallasa na'urar zuwa babban danshi, sau da yawa tare da amfani da son rai.

- Gwaje-gwajen ESD:Tabbatar da karko a kan fitarwa na tashin hankali na lantarki.

Ana bayyana takamaiman yanayi (zafin jiki, tsawon lokaci, girman samfuri) da ka'idojin zartarwa/matsala (misali, ƙasa da canjin 10% a cikin juzu'in hasken da ake iya gani, babu gazawar bala'i) don tabbatar da ingancin matakin mota.

8. Tunani akan Tsarin Aikace-aikace

8.1 Yanayin Aikace-aikacen da Aka saba Gani

Aikace-aikacen farko shinehasken mota. Wannan ya hada da:

- Waje:Alamar juyawa, fitilun gudu na rana (DRL), fitilun alamar gefe, fitilun tsakiyar babban tsayi (CHMSL).

- Ciki:Hasken baya na dashboard, hasken maɓalli, hasken yanayi, alamomin gargadi.

Dogararsa, fadin kusurwar gani, da fitar da rawaya mai haske sun sa ya dace da waɗannan ayyuka masu mahimmanci na aminci da kyan gani.

8.2 Abubuwan Tunani Masu Muhimmanci na Tsari

• Sarrafa Zafi:Matsakaicin zafin junction na 150°C dole ne kada a wuce. Yi amfani da juriya na zafi (20°C/W) don lissafin hawan zafi daga wurin solder zuwa junction (ΔT = Karfi * Rth). Tabbatar cewa PCB yana da isasshen taimakon zafi, kamar ramukan zafi da ke haɗa pad na anode zuwa tsarin ƙasa na ciki, da kuma yi la'akari da yanayin yanayin aiki.
• Tukin Halin Yanzu:Koyaushe yi amfani da LED tare da tushen halin yanzu na ci gaba, ba wutar lantarki mai ci gaba ba. Shawararren halin yanzu na aiki shine 350mA, amma dole ne tsarin ya tabbatar cewa mafi girman iyaka na 420mA ba a taɓa wucewa ba a kowace yanayi, gami da wuce gona da iri.
• Kariyar ESD:Saka diodes na kariyar ESD akan layukan PCB da aka haɗa zuwa tashoshin LED, musamman a aikace-aikacen hannu ko na iya isa ga mai amfani, ko da yake na'urar da kanta tana da wasu ƙarfin gwiwa na asali.

9. Mahallin Kwatankwacin Fasaha

Idan aka kwatanta da daidaitattun LED na SMD na filastik, wannan na'urar da aka yi masa marufi na EMC tana ba da mafi kyawun aikin zafi, wanda ke ba shi damar ci gaba da tuka halin yanzu mafi girma da haske ba tare da hanzarta raguwar lumen ba. Tsarin kayan AlGaInP yana ba da inganci mai girma a yankin rawaya/amber idan aka kwatanta da fitilun LED farare da aka canza su zuwa phosphor, wanda ke haifar da cikar launi mai tsabta. Cancantar AEC-Q102 ya sanya shi cikin matakin dogaro mafi girma fiye da LED na kasuwanci, yana ba da hujjar amfani da shi a cikin mota da sauran aikace-aikace masu buƙata.

10. Tambayoyin da Aka saba Yi (Bisa Siffofin Fasaha)

10.1 Yaya zan zabi daidaitaccen bin na wutar lantarki da juzu'in haske?

Zabi bin voltage wanda ya dace da kewayon wutar lantarki na turawa don haɓaka inganci. Don daidaiton haske a cikin tsararrun, kayyade madaidaicin bin na juzu'in haske (misali, OA ko OB). Don aikace-aikacen da ke da hankali na farashi inda wasu bambance-bambance ke karɓuwa, bin mai faɗi (NA-NB) na iya dacewa.

10.2 Menene mafi mahimmancin al'amari don dogon lokaci na dogaro?

Sarrafa zafin junction shine mafi mahimmanci. Wuce mafi girman kimantawa ba wai kawai yana haifar da hadarin gazawar nan take ba amma yana ƙara hanzarta lalata lumen na dogon lokaci. Daidaitaccen heatsinking ta hanyar PCB yana da mahimmanci, musamman lokacin tuƙi a ko kusa da mafi girman halin yanzu.

10.3 Shin zan iya amfani da bayanin reflow don solder mara gubar?

Ee, bayanin reflow da aka bayar yana dacewa da daidaitattun man guduro marasa gubar (SAC). Mahimmancin abu shine kada a wuce kololuwar zafin jiki da lokaci-sama da-liquidus da aka kayyade a cikin umarnin solder don guje wa lalata kayan haɗin die na ciki da haɗin waya.

11. Misali na Tsari da Amfani da Aiki

Yanayin: Siginar Juyawa na Baya na Motar.

Tsari yana buƙatar gungu na LED 6 rawaya don haske mai haske, mai kusurwa mai faɗi. Mai tsarawa zai:

1. Zabi LED daga bin tsawon tsawon watsawa iri ɗaya (misali, C1) don tabbatar da daidaiton launi.

2. Zabi babban bin juzu'in hasken da ake iya gani (OB) don ganin mafi girma.

3. Tsara PCB tare da zubar da jan karfe a ƙarƙashin pad na anode na dukkan LED, an haɗa su ta hanyar ramukan zafi zuwa babban Layer na ciki don yada zafi.

4. Yi amfani da guda ɗaya na turawa na halin yanzu na ci gaba wanda ke iya samar da 6 * 350mA = 2.1A, tare da dacewar kariya daga kuskure.

5. Bi shawarar tsarin filin solder da bayanin reflow yayin haɗawa.

Wannan hanya tana tabbatar da ingantaccen, madaidaiciyar, kuma mai haske ta hanyar magance hasken mota.

12. Gabatarwa da Ka'idar Fasaha

Wannan LED yana fitar da hasken rawaya ta hanyar electroluminescence daga guntu na semiconductor da ya kunshi Aluminum Gallium Indium Phosphide (AlGaInP). Lokacin da aka yi amfani da wutar lantarki ta gaba, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki na guntun, suna sakin makamashi a cikin nau'in photons. Takamaiman rabo na Al, Ga, In, da P abubuwan a cikin lattice na crystal suna ƙayyade makamashin bandgap, wanda kai tsaye yayi daidai da tsawon tsawon hasken da aka fitar - a wannan yanayin, kimanin 590 nm (rawaya). Marufin EMC yana rufewa da karewaya mai rauni na semiconductor die, yana samar da ruwan tabarau na farko na gani don siffantar katakon haske, kuma yana ba da hanya don zafi don tserewa ta hanyar tashoshin da za a iya solder.

13. Trends na Fasaha

Gabaɗaya trend don irin waɗannan LED yana zuwa ga mafi girma (ƙarin lumen a kowace watt), yana ba da damar ƙarin siginar haske tare da ƙarancin amfani da wutar lantarki da rage nauyin zafi. Haka nan akwai kuma turawa don ƙara yawan wutar lantarki a cikin marufi iri ɗaya ko ƙarami. A cikin aikace-aikacen mota, haɗewa tare da masu turawa na wayo da masu sarrafawa don tasirin haske mai ƙarfi (misali, siginar juyowa na bi da bi) yana zama mafi girma. Bugu da kari, ci gaba a cikin kayan marufi da fasahohin haɗin die suna ci gaba da inganta dogon lokaci na dogaro da juriya ga mawuyacin yanayin muhalli kamar zagayowar zafi da zafi.