Takardar Bayani na Fasaha na LED SMD 3014 Fari - Girman 3.0x1.4x0.8mm - Ƙarfin Lantarki 2.4-3.6V - Wutar Lantarki 0.093W - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Wannan takarda tana ba da cikakkun ƙayyadaddun bayanai na fasaha don na'urar LED mai hawa a saman (SMD) a cikin tsarin fakitin 3014, wanda aka saita don fitar da haske daga sama. Babban launin da ake fitarwa shine fari, wanda aka samu ta hanyar haɗa kayan guntu na InGaN da resin mai launin rawaya. An ƙera na'urar don aikace-aikacen nuna alama da haskakawa na gabaɗaya inda aikin dogaro da sauƙin haɗawa suke da muhimmanci.

Babban fa'idodin wannan LED sun haɗa da ƙaramin fakitin P-LCC-2, wanda ke sauƙaƙa hawan PCB mai yawa. Yana da mai nuna haske a ciki da jikin fakitin fari don haɓaka fitar da haske da alkiblarsa. Na'urar ta cika daidai da ƙa'idodin muhalli da masana'antu na zamani, kasancewar ba ta da gubar, ta dace da RoHS, ta dace da REACH, kuma ba ta da halogen. An riga an shirya ta bisa ga JEDEC J-STD-020D Mataki na 3 don hankakar danshi, yana tabbatar da dogaro a cikin hanyoyin siyar da reflow.

Kasuwarmar da aka yi niyya ta ƙunshi nau'ikan na'urorin lantarki da yawa waɗanda ke buƙatar nuna matsayi, hasken baya, ko haskakawa na gabaɗaya. Ƙirarta ta sa ta dace da na'urorin lantarki na mabukaci da na masana'antu.

2. Bincike Mai zurfi na Sigogi na Fasaha

2.1 Matsakaicin Matsakaicin Matsakaici

Iyakar aikin na'urar an ayyana su a ƙarƙashin daidaitattun yanayin muhalli (Ta=25°C). Wucewa waɗannan ƙimar na iya haifar da lalacewa ta dindindin.

• Ƙarfin Lantarki na Baya (VR):5 V. Wannan shine matsakaicin ƙarfin lantarki da za a iya amfani da shi a cikin alkiblar baya a kan tashoshin LED.
• Halin Yanzu na Gaba (IF):30 mA. Matsakaicin ci gaba da halin yanzu na DC da aka ba da shawarar don aikin dogaro.
• Matsakaicin Halin Yanzu na Gaba (IFP):60 mA. Wannan yana halatta ne kawai a ƙarƙashin yanayin bugun jini tare da cikakken aiki na 1/10 a 1 kHz.
• Rushewar Wutar Lantarki (Pd):93 mW. Matsakaicin wutar lantarki da fakitin zai iya watsawa ba tare da wuce iyakar zafin jiki ba.
• Zazzabi na Junction (Tj):115 °C. Matsakaicin zafin jiki da aka yarda da shi na haɗin semiconductor.
• Zazzabin Aiki (Topr):-40 °C zuwa +85 °C. Kewayon zafin muhalli wanda aka ƙayyade na'urar don yin aiki a kai.
• Zazzabin Ajiya (Tstg):-40 °C zuwa +90 °C.
• Fitowar Lantarki Mai Tsauri (ESD):Yana jure 2000 V (Samfurin Jikin Mutum), yana nuna matsakaicin hankali na sarrafawa.
• Zazzabin Siyarwa:Na'urar za ta iya jure siyar da reflow tare da matsakaicin zafin jiki na 260°C na dakika 10, ko siyar da hannu a 350°C na dakika 3 kowace tasha.

2.2 Halayen Lantarki da Haske

Mahimman sigogi na aiki ana auna su a Ta=25°C tare da halin yanzu na gaba (IF) na 20 mA, wanda shine daidaitaccen yanayin gwaji.

• Ƙarfin Hasken (Iv):Ya kewayo daga mafi ƙarancin 2240 mcd zuwa matsakaicin 3550 mcd, tare da ƙimar al'ada da aka nuna a cikin wannan kewayon. Rashin daidaituwa na ±11% ya shafi ƙarfin hasken.
• Kusurwar Dubawa (2θ1/2):Cikakkiyar kusurwar da ƙarfin haske ya rabi na matsakaicin ƙarfin yawanci digiri 120 ne, yana nuna tsarin dubawa mai faɗi wanda ya dace da haskakawa mai yaduwa.
• Ƙarfin Lantarki na Gaba (VF):Ya kewayo daga 2.40 V zuwa 3.60 V a 20 mA. Rashin daidaituwa don ƙarfin lantarki na gaba an ƙayyade shi azaman ±0.1V. Wannan siga yana da mahimmanci don ƙirar da'irar iyakance halin yanzu.
• Halin Yanzu na Baya (IR):Matsakaicin 10 μA lokacin da aka yi amfani da ƙarfin lantarki na baya na 5V, yana nuna kyawawan halayen diode.
• Rashin Daidaituwar Ma'aunin Launi:Matsayin launi akan ginshiƙi na CIE yana da rashin daidaituwa na ±0.01, wanda yake da mahimmanci don daidaiton launi a aikace-aikacen da ke buƙatar LED da yawa.

3. Bayanin Tsarin Rarrabawa

Don tabbatar da daidaito a cikin haske da launi, ana rarraba LED ɗin zuwa kwandon shara bisa ga aikin da aka auna.

3.1 Rarrabawar Ƙarfin Hasken

Ana rarraba LED ɗin zuwa manyan kwandon shara guda biyu bisa ga ƙarfin haskensu da aka auna a IF=20mA:

• Lambar Kwandon BB:Kewayon ƙarfin haske daga 2240 mcd zuwa 2800 mcd.
• Lambar Kwandon CA:Kewayon ƙarfin haske daga 2800 mcd zuwa 3550 mcd.

Rashin daidaituwa na ±11% ya shafi kowane kwandon. Wannan rarrabawar yana ba masu ƙira damar zaɓar LED ɗin da suka dace da matakin haske da ake buƙata a aikace-aikacensu.

3.2 Rarrabawar Ma'aunin Launi

An ayyana launin hasken fari ta hanyar ma'aunansa akan zane na launi na CIE 1931. Takardar bayani tana ba da cikakkiyar tebur na lambobin kwandon shara (misali, SB, J5, J6, K5, K6, L5, L6, M5, M6) tare da madaidaicin mafi ƙanƙanta da mafi girma x da y ma'auni. Misali, lambar kwandon J5 ta ƙunshi ma'auni daga (0.2800, 0.2566) zuwa (0.2800, 0.2666). Wannan ingantaccen rarrabawa yana da mahimmanci ga aikace-aikacen inda daidaiton launi a cikin LED da yawa ke da mahimmanci, kamar a cikin hasken baya na nuni ko hasken gine-gine. Rashin daidaituwa na waɗannan ma'auni shine ±0.01.

4. Bincike na Lanƙwasa Aiki

Takardar bayani ta ƙunshi lanƙwasa halaye da yawa waɗanda ke ba da zurfin fahimta game da halayen LED a ƙarƙashin yanayi daban-daban.

4.1 Rarraba Tsarin Tsarin

Lanƙwasa rarraba tsarin al'ada yana nuna ƙarfin hasken da aka fitar a cikin tsayin daban-daban. Ga LED fari, yawanci yana nuna babban kololuwa a yankin shuɗi (daga guntun InGaN) da babban kololuwa na biyu a yankin rawaya-kore (daga canjin phosphor). Matsakaicin tsayin daka (λp) shine mahimmin siga. Ana kwatanta lanƙwasa da daidaitaccen lanƙwasa amsawar ido V(λ).

4.2 Tsarin Radiation

Zanen halayen radiation (ƙarfin dangi vs. kusurwa) yana wakiltar kusurwar dubawa na digiri 120 a zahiri, yana nuna yadda ƙarfin haske ya ragu daga tsakiya (axis digiri 0) zuwa gefuna.

4.3 Halin Yanzu na Gaba vs. Ƙarfin Lantarki na Gaba

Wannan lanƙwasa yana kwatanta alaƙar da ba ta da layi tsakanin halin yanzu da ke gudana ta cikin LED da faɗuwar ƙarfin lantarki a kanta. Yana da mahimmanci don ƙirar da'irar tuƙi, saboda ƙaramin canji a cikin ƙarfin lantarki zai iya haifar da babban canji a cikin halin yanzu. Lanƙwasa yawanci yana nuna haɓaka mai yawa.

4.4 Launi vs. Halin Yanzu na Gaba

Wannan jadawali yana nuna yadda ma'aunin launi (x, y) zai iya canzawa tare da canje-canje a cikin halin yanzu na aiki. Fahimtar wannan alaƙa yana da mahimmanci ga aikace-aikacen da ake amfani da duhu ko canjin halin yanzu, saboda yana iya shafar daidaiton launi.

4.5 Ƙarfin Hasken Dangi vs. Halin Yanzu na Gaba

Wannan lanƙwasa yana nuna yadda fitar da haske ke ƙaruwa tare da halin yanzu na tuƙi. Gabaɗaya yana da layi a cikin kewayon amma zai cika a manyan halin yanzu. Yin aiki fiye da yankin layi ba shi da inganci kuma yana ƙara zafi.

4.6 Matsakaicin Halin Yanzu na Gaba da aka yarda da shi vs. Zazzabi

Wannan lanƙwasa na rage daraja yana da mahimmanci ga dogaro. Yana nuna matsakaicin halin yanzu na gaba da LED zai iya ɗauka a matsayin aikin zafin muhalli (ko harka). Yayin da zafin jiki ya ƙaru, matsakaicin halin yanzu da aka yarda da shi yana raguwa don hana zafi mai yawa fiye da iyakarsa na 115°C. Dole ne a duba wannan jadawali don kowane ƙira da ke aiki a cikin yanayin zafi mai girma.

5. Bayanin Injiniya da Fakitin

5.1 Girman Fakitin

LED yana zuwa a cikin daidaitaccen fakitin 3014. Mahimman girmansu (a cikin mm, tare da rashin daidaituwa na al'ada na ±0.1mm sai dai idan an ƙayyade) sun haɗa da:

• Tsawon gabaɗaya: 3.0 mm
• Faɗin gabaɗaya: 1.4 mm
• Tsayin gabaɗaya: 0.8 mm
• Girman kushin da tazara don ƙirar tsarin ƙasa na PCB.

Zanen mai girma yana da mahimmanci don ƙirar madaidaicin sawun PCB don tabbatar da ingantaccen siyarwa da daidaitawa.

5.2 Gano Polarity

Zanen duban sama yawanci yana nuna alamar cathode, wanda ke da mahimmanci don daidaitaccen alkibla yayin haɗawa. Rashin daidaituwar polarity zai hana LED haskakawa kuma yana iya sanya shi ƙarƙashin ƙarfin lantarki na baya.

6. Jagororin Siyarwa da Haɗawa

6.1 Bayanin Siyarwar Reflow

An ba da shawarar bayanin zafin jiki na siyar da reflow mara gubar. Manyan matakai sun haɗa da:

• Dumama Kafin:Hawaya daga muhalli zuwa 150-200°C a matsakaicin ƙimar 3°C/sec, an riƙe shi na dakika 60-120.
• Reflow:Dole ne a kiyaye zafin jiki sama da 217°C na dakika 60-150, tare da matsakaicin zafin jiki bai wuce 260°C ba wanda aka riƙe na matsakaicin dakika 10.
• Sanyaya:Sanyaya daga sama da 255°C a matsakaicin ƙimar 6°C/sec.

Bai kamata a yi siyar da reflow fiye da sau biyu akan na'ura ɗaya ba.

6.2 Siyar da Hannu

Idan siyar da hannu ya zama dole, dole ne zafin ƙarshen ƙarfe ya zama ƙasa da 350°C, kuma lokacin tuntuɓar kowace tasha bai kamata ya wuce dakika 3 ba. Ana ba da shawarar ƙarfe mai ƙarancin wutar lantarki (≤25W), tare da tazara aƙalla dakika 2 tsakanin siyar da kowace tasha don ba da damar sanyaya.

6.3 Ajiya da Sarrafawa

• Ana tattara LED ɗin a cikin jakunkuna masu jure danshi. Jakar za a buɗe ta kawai kafin amfani da ita.
• Muhallin da aka ba da shawarar bayan buɗewa shine <30°C da <60% Danshin Dangi.
• Idan an wuce yanayin Hankakar Danshi (MSL), ko kuma idan katin nuna danshi ya nuna danshi mai yawa, dole ne a gasa abubuwan a 60°C ±5°C na awanni 24 kafin amfani.
• Bai kamata a yi amfani da damuwa ga jikin LED yayin dumama ko bayan siyarwa ba, kuma ba za a karkatar da allunan da'ira ba.

7. Bayanin Tattarawa da Oda

7.1 Ƙayyadaddun Reel da Teep

Ana ba da LED ɗin akan teep ɗin mai ɗaukar hoto da aka yi wa reels. Daidaitattun adadin da aka ɗora akan kowane reel sune 250, 500, 1000, ko 2000 guda. An ba da cikakkun girmansu don aljihun teep ɗin mai ɗaukar kaya, tazarar, da reel don tabbatar da dacewa da kayan aikin zaɓe da sanyawa ta atomatik.

7.2 Bayanin Alamar

Alamar reel ta ƙunshi mahimman bayanai: Lambar Samfurin Abokin Ciniki (CPN), Lambar Samfuri (P/N), Adadin Tattarawa (QTY), Matsayin Ƙarfin Hasken (CAT), Matsayin Tsayin Daka/Matsayi (HUE), Matsayin Ƙarfin Lantarki na Gaba (REF), da Lambar Lot (LOT No).

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Al'ada

• Masu Nuna Matsayi:Mai kyau ga maɓalli, alamomi, da masu nuna haske a cikin na'urorin lantarki na mabukaci, kayan aiki, da allunan sarrafa masana'antu.
• Hasken Baya:Ya dace da wayoyin hannu, maɓallan maɓalli, da alamun talla masu haske saboda siririnsa da faɗin kusurwar dubawa.
• Haskakawa na Gabaɗaya:Ana iya amfani da shi azaman madadin fitilun nuna alama na gargajiya a aikace-aikacen ciki da waje.
• Haɗin Jagoran Hasken:Ƙirar fakitin ta dace da haɗa haske cikin jagororin haske masu hasken gefe don hasken panel.

8.2 Muhimman Abubuwan Ƙira

• Iyakance Halin Yanzu:Resistan mai iyakance halin yanzu na waje yana da mahimmanci. Halayen I-V mai yawa yana nufin ƙaramin canjin ƙarfin lantarki yana haifar da babban canjin halin yanzu, wanda zai iya lalata LED nan take ("kone"). Dole ne a ƙididdige ƙimar resistor bisa ga ƙarfin lantarki da ƙarfin lantarki na gaba na LED a halin yanzu na aiki da ake so.
• Gudanar da Zafi:Ko da yake rushewar wutar lantarki yana da ƙasa, daidaitaccen shimfidar PCB don watsar zafi yana da mahimmanci, musamman lokacin aiki a yanayin zafi mai girma ko kusa da matsakaicin halin yanzu. Yi shawara da lanƙwasa rage daraja.
• Kariya ta ESD:Duk da yake an ƙididdige shi don 2000V HBM, yakamata a kiyaye matakan kariya na ESD na yau da kullun yayin sarrafawa da haɗawa.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da LED ɗin rami na gargajiya, wannan LED SMD 3014 yana ba da fa'idodi masu mahimmanci:

• Girman da Yawa:Ƙaramin sawun 3.0x1.4mm yana ba da damar hawa mafi girma akan PCBs.
• Kudin Haɗawa:Yana ba da damar cikakken zaɓe da sanyawa ta atomatik da siyar da reflow, yana rage lokacin haɗawa da farashi idan aka kwatanta da shigar da hannu.
• Aiki:Yawanci yana ba da ingantaccen haske mafi girma da ƙarin daidaitattun halayen gani saboda masana'antu ta atomatik da rarrabawa.
• Dogaro:Ginin ƙwaƙƙwaran jiki da ƙirar hawa a saman gabaɗaya suna haifar da juriya mafi girma ga girgiza da rawar jiki.

A cikin dangin LED SMD, fakitin 3014 yana ba da daidaito tsakanin fitar da haske, girman, da farashi, yana sanya shi tsakanin ƙananan fakitoci kamar 0402/0603 (ƙananan fitarwa) da manyan fakitoci kamar 2835/5050 (fitarwa mafi girma).

10. Tambayoyin da ake yawan yi (Bisa ga Sigogi na Fasaha)

Tambaya: Wane ƙimar resistor nake buƙata don wadatar 5V?

A: Ta amfani da Dokar Ohm: R = (Vsupply - Vf) / If. Zaton Vf na al'ada na 3.0V da If da ake so na 20mA: R = (5V - 3.0V) / 0.020A = 100 Ohms. Koyaushe yi amfani da matsakaicin Vf daga takardar bayani (3.6V) don ƙira mai ra'ayin mazan jiya don tabbatar da halin yanzu bai wuce iyaka ba: R_min = (5V - 3.6V) / 0.030A ≈ 47 Ohms. Ƙimar tsakanin 68-100 Ohms ta zama ruwan dare.

Tambaya: Zan iya tuƙi wannan LED tare da wadatar 3.3V?

A: Ee, amma a hankali. Kewayon ƙarfin lantarki na gaba (2.4V-3.6V) yana nufin wasu LED ɗin bazai haskaka a 3.3V ba idan Vf ɗinsu ya fi girma. Ko da sun yi, halin yanzu ba zai daidaita ba ba tare da da'irar tuƙi ba. Ana ba da shawarar tuƙi na halin yanzu na akai-akai ko resistor mai ƙaramin ƙima don aikin 3.3V.

Tambaya: Ta yaya zan fassara lambobin kwandon ƙarfin haske BB da CA?

A> Kwandon BB yana ƙunshe da LED ɗin masu ƙarancin haske (2240-2800 mcd), kuma Kwandon CA yana ƙunshe da LED ɗin masu haske (2800-3550 mcd). Don kamannin iri ɗaya a cikin jeri, ƙayyade kuma yi amfani da LED ɗin daga lambar kwandon ɗaya.

Tambaya: Takardar bayani ta ambaci \"Resin mai ɗan launin kore mai ɗigo.\" Shin wannan yana shafar launin haske?

A: Launin rawaya/kore na resin wani ɓangare ne na tsarin canza launi. Guntun InGaN yana fitar da hasken shuɗi, wanda ke tada phosphors a cikin resin don samar da hasken rawaya. Haɗin yana haifar da hasken fari. Launin resin da kansa ba launin hasken da aka fitar ba ne.

11. Misalai na Ƙira da Amfani na Aiki

Misali 1: Panel Mai Nuna Matsayi na LED da yawa

Panel ɗin sarrafawa yana buƙatar masu nuna alama fari iri ɗaya 10. Don tabbatar da daidaito, mai ƙira ya kamata:

1. Ƙayyade duk LED ɗin daga kwandon ƙarfin haske ɗaya (misali, CA) da kwandon launi ɗaya (misali, K5).

2. Yi amfani da resistors masu iyakance halin yanzu iri ɗaya ga kowane LED, waɗanda aka ƙididdige su ta amfani da matsakaicin Vf.

3. Tsara PCB don samar da tsayin gado iri ɗaya da taimakon zafi ga kowane kushin LED don rage bambance-bambance.

Misali 2: Hasken Baya na Ƙaramin Nuni

An sanya LED huɗu tare da gefen jagoran haske don haskaka LCD. Matakai masu mahimmanci:

1. Zaɓi wurin LED da kusurwar dubawa (120° ya dace) don tabbatar da haɗin kai daidai cikin jagora.

2. Yi la'akari da amfani da IC ɗin tuƙi na LED na halin yanzu na akai-akai maimakon resistors ɗaiɗaiku don tabbatar da haske iri ɗaya da ba da damar duhu ta hanyar PWM.

3. Tabbatar cewa zafin aiki a cikin rufin na'urar baya buƙatar rage darajar halin yanzu na gaba ta amfani da lanƙwasa \"Matsakaicin Halin Yanzu na Gaba da aka yarda da shi vs. Zazzabi\".

12. Ka'idar Aiki

Wannan diode ne mai fitar da haske mai ƙwaƙƙwaran jiki. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce ƙarfin lantarki na gaba na halayensa (Vf), electrons da ramuka suna sake haɗuwa a cikin kayan semiconductor na InGaN, suna sakin makamashi a cikin nau'in photons (haske). Babban fitarwa daga guntu yana cikin bakan shuɗi. Wannan hasken shuɗi sai ya bugi barbashi na phosphor da aka saka a cikin resin ɗin da ke rufe shi. Phosphors ɗin suna ɗaukar hasken shuɗi kuma suna sake fitar da haske a cikin bakan mafi faɗi, galibi a yankin rawaya. Idon ɗan adam yana ganin haɗuwar hasken shuɗi kai tsaye da hasken rawaya da aka canza zuwa fari. Mai nuna haske na ciki da fakitin fari suna taimakawa wajen jagorantar yawancin wannan hasken da aka fitar daga saman na'urar, yana ƙara ƙarfin hasken gabaɗaya.

13. Trends na Fasaha

Juyin halitta na LED SMD kamar 3014 yana bin wasu ƙa'idodin masana'antu masu haske:

Ƙara Ingantaccen Aiki:Ci gaba da inganta a cikin epitaxy na semiconductor da fasahar phosphor suna ci gaba da haɓaka ingantaccen haske (lumens kowace watt), yana ba da damar haske mai haske ko ƙarancin amfani da wutar lantarki daga girman fakitin ɗaya.

Ingancin Launi:Ci gaba a cikin gaurayawan phosphor da yawa da ƙirar guntu suna inganta Fihirisar Fitar da Launi (CRI) kuma suna ba da damar daidaita daidaitaccen zafin launin fari (CCT).

Ƙananan da Haɗawa:Duk da yake 3014 ya kasance sananne, akwai wani yanayi zuwa ƙananan fakitoci tare da kwatankwacin fitarwa, da kuma haɗaɗɗun ƙirar LED waɗanda ke haɗa LED, tuƙi, da da'irar sarrafawa zuwa fakitin guda ɗaya.

Hasken Wayo:Kasuwa mafi girma yana motsawa zuwa LED ɗin da za a iya magana da su da kuma daidaitawa (CCT da duhu), ko da yake yawanci yana buƙatar fakitoci masu rikitarwa fiye da ainihin LED ɗin nuna alama da aka bayyana a nan.

Dogaro da Daidaitawa:Ci gaba da bin ka'idoji da ci gaban ƙa'idodi don gwaji, rarrabawa, da dogaro (kamar LM-80 don kiyaye lumen) suna ba masu ƙira bayanan aiki na dogon lokaci mafi hasashe.