LED na Top View 67-21 Series - Kunshin P-LCC-2 - Fari - 1.75-2.35V - 120mW - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Jerin 67-21 yana wakiltar iyali na LED na Top View waɗanda aka ƙera don aikace-aikacen nuna alama da hasken baya. Waɗannan sassan suna cikin ƙunƙuntaccen kunshin P-LCC-2 (Plastic Leaded Chip Carrier) tare da jikin fari da taga mai tsabta mara launi, wanda ke ba da gudummawar faɗin kusurwar kallo. Babban manufar ƙira ita ce inganta haɗin haske ta hanyar mai nuna haske na ciki, wanda ya sa waɗannan LED suka dace musamman don amfani da bututun haske. Ƙarancin buƙatar wutar lantarki na gaba ya sa su zama zaɓi mai kyau don aikace-aikacen masu hankali ga wutar lantarki kamar na'urorin lantarki masu ɗaukuwa, dashbodin motoci, da kayan aikin sadarwa.

1.1 Fa'idodi na Cibiyar da Kasuwar Manufa

Babban fa'idodin wannan jerin LED sun haɗa da faɗin kusurwar kallo na yau da kullun digiri 120, dacewa da kayan aikin sanyawa ta atomatik da hanyoyin siyar da reflow na vapor-phase, da samuwa akan tef na 8mm da reel don samarwa mai yawa. Samfurin ba shi da gubar kuma ya bi ka'idojin RoHS. Kasuwannin manufa sun bambanta, sun haɗa da motoci (hasken baya na dashboard da sauyawa), sadarwa (alamun waya da faks), hasken baya na gabaɗaya na LCD da alamomi, da kowane aikace-aikacen nuna alama na gabaɗaya inda ake buƙatar haske mai aminci, ƙarancin wutar lantarki.

2. Bincike Mai zurfi na Ma'auni na Fasaha

Wannan sashe yana ba da cikakken bayani game da mahimman ma'auni na lantarki, na gani, da na zafi waɗanda ke ayyana iyakokin aiki da yanayin aiki na LED.

2.1 Matsakaicin Matsakaicin Ƙimar

Matsakaicin Matsakaicin Ƙimar yana ayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. Waɗannan ba shawarar yanayin aiki ba ne. Matsakaicin ƙarfin lantarki na baya (VR) shine 5V. Ci gaba da wutar lantarki na gaba (IF) bai kamata ya wuce 50mA ba, yayin da matsakaicin wutar lantarki na gaba (IFP) na 100mA ya halatta a ƙarƙashin yanayin bugun jini (1/10 aikin aiki a 1kHz). Matsakaicin raguwar wutar lantarki (Pd) shine 120mW. Na'urar na iya jure watsawar lantarki (ESD) na 2000V ta amfani da Tsarin Jikin Mutum (HBM). Kewayon zafin aiki (Topr) daga -40°C zuwa +85°C ne, kuma kewayon zafin ajiya (Tstg) daga -40°C zuwa +90°C ne. An ƙayyade yanayin zafi na siyarwa don duka reflow (260°C na dakika 10) da siyar da hannu (350°C na dakika 3).

2.2 Halayen Lantarki-Gani

Ana auna Halayen Lantarki-Gani a daidaitaccen yanayin gwaji na Ta=25°C da IF=20mA. Ƙarfin haske (Iv) yana da kewayon yau da kullun, tare da mafi ƙanƙanta na 180 mcd da matsakaicin 565 mcd, ƙarƙashin ƙimar ±11%. Babban tsayin raƙuman ruwa (λd) don bayanan da aka bayar yana cikin bakan ja, daga 621nm zuwa 631nm, tare da ƙimar ±1nm. Ƙarfin lantarki na gaba (VF) yana daga 1.75V zuwa 2.35V, tare da ƙimar ±0.1V. Kusurwar kallo (2θ1/2) yawanci digiri 120 ne. Wutar lantarki ta baya (IR) matsakaicin 10µA ne a VR=5V.

3. Bayanin Tsarin Binning

Don tabbatar da daidaito a cikin haske, launi, da halayen lantarki, ana rarraba LED zuwa kwandon shara. Wannan yana ba masu ƙira damar zaɓar sassa waɗanda suka cika takamaiman buƙatun aikace-aikace.

3.1 Binning na Ƙarfin Hasken

An rarraba ƙarfin haske zuwa kwandon shara biyar: S1 (180-225 mcd), S2 (225-285 mcd), T1 (285-360 mcd), T2 (360-450 mcd), da U1 (450-565 mcd). Duk ma'auni suna a IF=20mA.

3.2 Binning na Babban Tsayin Raƙuman Ruwa

An haɗa babban tsayin raƙuman ruwa a ƙarƙashin lambar 'F', tare da ƙananan kwandon shara biyu: FF1 (621-626 nm) da FF2 (626-631 nm).

3.3 Binning na Ƙarfin Lantarki na Gaba

An haɗa ƙarfin lantarki na gaba a ƙarƙashin lambar 'B', tare da ƙananan kwandon shara uku: 0 (1.75-1.95V), 1 (1.95-2.15V), da 2 (2.15-2.35V).

4. Bincike na Lanƙwasa Aiki

Bayanan hoto suna ba da haske game da halayen LED a ƙarƙashin yanayi daban-daban, wanda yake da mahimmanci don ƙirar da'ira mai ƙarfi.

4.1 Lanƙwasa Rage Ƙarfin Wutar Lantarki na Gaba

Lanƙwasa yana nuna matsakaicin wutar lantarki na gaba da aka halatta yana raguwa yayin da zafin yanayi ya ƙaru sama da 25°C. Wannan yana da mahimmanci don sarrafa zafi da tabbatar da amincin dogon lokaci.

4.2 Wutar Lantarki na Gaba da Ƙarfin Lantarki na Gaba

Wannan lanƙwasa halayen IV yana nuna alaƙa tsakanin wutar lantarki na gaba da ƙarfin lantarki na gaba a 25°C. Ba shi da layi, na yau da kullun na diode, kuma yana da mahimmanci don ƙirar da'irar iyakance wutar lantarki.

4.3 Dangantakar Ƙarfin Hasken da Wutar Lantarki na Gaba

Wannan lanƙwasa yana nuna yadda fitar da haske ke ƙaruwa tare da wutar lantarki na gaba. Yana taimaka wa masu ƙira daidaita buƙatun haske da amfani da wutar lantarki da damuwa na na'ura.

4.4 Dangantakar Ƙarfin Hasken da Zafin Yanayi

Wannan jadawali yana nuna raguwar fitar da haske yayin da zafin haɗin gwiwa ya tashi, yana nuna mahimmancin zubar da zafi don kiyaye haske mai daidaito.

4.5 Rarraba Bakan

Jadawalin fitarwa na bakan yana nuna tsayin raƙuman ruwa mai kusa da 632nm, yana tabbatar da fitar da launin ja, tare da faɗin bakan (Δλ) na yau da kullun na 20nm.

4.6 Zanen Radiation

Zanen polar yana kwatanta rarraba sararin samaniya na ƙarfin haske, yana tabbatar da faɗin kusurwar kallo na digiri 120. Ƙarfin yana da daidaito a cikin faɗin yanki na tsakiya.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin

Zanen fasaha yana ƙayyade ma'auni na zahiri na kunshin P-LCC-2. Ma'auni masu mahimmanci sun haɗa da tsayin gabaɗaya, faɗi, da tsayi, tazarar jagora, da girman buɗaɗɗen ruwan tabarau. Duk ƙimar da ba a ƙayyade ba ±0.1mm ne.

5.2 Gano Polarity

Ana gano cathode ta hanyar notch ko alamar kore akan kunshin. Dole ne a kiyaye daidaitaccen polarity yayin haɗawa don hana gazawar na'ura.

6. Jagororin Siyarwa da Haɗawa

6.1 Ma'auni na Siyar da Reflow

LED ya dace don siyar da reflow na vapor-phase. Matsakaicin zafin jiki da aka ba da shawarar shine 260°C, kuma bai kamata a fallasa na'urar zuwa yanayin zafi sama da wannan fiye da dakika 10 ba. Daidaitaccen bayanin martaba na reflow don masu siyar da Pb-free ya dace.

6.2 Siyar da Hannu

Idan siyar da hannu ya zama dole, zafin ƙarshen gwangwani bai kamata ya wuce 350°C ba, kuma lokacin tuntuɓar kowane jagora ya kamata a iyakance zuwa dakika 3 ko ƙasa da haka.

6.3 Yanayin Ajiya

Ana kunna na'urori a cikin jakunkuna masu hana danshi tare da busasshiyar abu don hana shan danshi. Da zarar an buɗe jakar, ya kamata a yi amfani da sassan a cikin takamaiman lokaci (ba a bayyana a cikin PDF da aka bayar ba amma aikin yau da kullun ne) ko a gasa bisa ga jagororin MSL (Matakin Hankali na Danshi) kafin reflow don guje wa lalacewar tasirin \"popcorn\" yayin siyarwa.

7. Bayanin Kunshin da Oda

7.1 Ƙayyadaddun Tef da Reel

Ana samar da LED akan tef mai ɗaukar 8mm. An yi cikakken bayani game da girman reel da tazarar aljihu na tef mai ɗauka a cikin zane-zane. Kowane reel yana ƙunshe da guda 2000.

7.2 Bayanin Alama

Alamar reel ta ƙunshi lambobi da yawa: CAT (Matsayi na Ƙarfin Hasken), HUE (Matsayi na Babban Tsayin Raƙuman Ruwa), da REF (Matsayi na Ƙarfin Lantarki na Gaba). Waɗannan suna daidai da bayanan binning kai tsaye, suna ba da damar gano asali da tabbatar da amfani da bambancin samfurin daidai.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

• Motoci:Hasken baya don gungu na kayan aiki, sauye-sauyen dashboard, da kuma kwamfitin sarrafawa.
• Sadarwa:Alamun matsayi akan wayoyi, na'urorin faks, da kayan aikin sadarwa.
• Kayan Lantarki na Masu Amfani:Hasken baya don sauye-sauyen membrane, maɓallan maɓalli, da kuma allunan LCD a cikin kayan aiki.
• Nuna Alama na Gabaɗaya:Matsayin wutar lantarki, zaɓin yanayi, da alamun faɗakarwa a cikin kewayon na'urorin lantarki.

8.2 Abubuwan da ake la'akari da Ƙira

• Iyakance Wutar Lantarki:Koyaushe yi amfani da resistor na jerin ko direba mai wutar lantarki don iyakance wutar lantarki na gaba zuwa ƙimar da ake so (misali, 20mA don haske na yau da kullun). Lissafa ƙimar resistor ta amfani da R = (Vsupply - Vf) / If.
• Gudanar da Zafi:Don ci gaba da aiki a manyan yanayin zafi ko kusa da matsakaicin wutar lantarki, yi la'akari da shimfidar PCB don zubar da zafi. Guji sanya LED kusa da wasu tushen zafi.
• Haɗin Bututun Hasken:An inganta faɗin kusurwar kallo da ƙirar kunshin don bututun haske. Tabbatar da daidaitaccen daidaito da ƙaramin tazara tsakanin LED da wurin shigar bututun haske don ingantaccen haɗin haske.
• Kariya ta ESD:Ko da yake an ƙididdige shi don 2000V HBM, aiwatar da matakan kariya na ESD na yau da kullun yayin sarrafawa da haɗawa.

9. Gwajin Aminci

An tabbatar da amincin samfurin ta hanyar jerin gwaje-gwajen da aka gudanar tare da matakin amincewa na 90% da LTPD (Lot Tolerance Percent Defective) na 10%. Manyan gwaje-gwaje sun haɗa da:

• Siyar da Reflow:Jure 260°C ±5°C na matsakaicin dakika 10.
• Zagayowar Zafin Jiki:Zagaye 300 tsakanin -40°C da +100°C.
• Girgizar Zafi:Canje-canje cikin sauri tsakanin -40°C da +100°C.

Waɗannan gwaje-gwajen suna tabbatar da ƙarfin na'urar a cikin yanayin samarwa da aiki na yau da kullun.

10. Tambayoyin da ake yawan yi (FAQs)

10.1 Menene manufar lambobin binning (CAT, HUE, REF)?

Ana amfani da lambobin binning don rarraba LED bisa ga ƙarfin haske da aka auna (CAT), babban tsayin raƙuman ruwa/launi (HUE), da ƙarfin lantarki na gaba (REF). Wannan yana ba masana'antun da masu ƙira damar zaɓar sassa tare da halaye masu sarrafa ƙarfi, suna tabbatar da daidaito a cikin haske da launi na samfurin ƙarshe, musamman lokacin da ake amfani da LED da yawa a cikin jeri.

10.2 Shin zan iya tuƙa wannan LED ba tare da resistor mai iyakance wutar lantarki ba?

A'a. LED na'ura ce mai tuƙa wutar lantarki. Haɗa shi kai tsaye zuwa tushen wutar lantarki sama da ƙarfin lantarki na gaba zai haifar da wutar lantarki mai yawa, wanda zai iya lalata LED nan take saboda guduwar zafi. Resistor na jerin ko da'irar wutar lantarki na yau da kullun wajibi ne.

10.3 Ta yaya zafin yanayi ke shafar aiki?

Yayin da zafin yanayi ya ƙaru, zafin haɗin gwiwar LED yana tashi. Wannan yana haifar da raguwar ingancin haske (ƙananan fitar da haske don wutar lantarki iri ɗaya) da ɗan raguwar ƙarfin lantarki na gaba. Lanƙwasa rage ƙimar yana ƙayyade yadda dole ne a rage matsakaicin wutar lantarki da aka halatta a manyan yanayin zafi don hana yawan zafi da gazawa da wuri.

10.4 Shin wannan LED ya dace don aikace-aikacen waje?

Kewayon zafin aiki na -40°C zuwa +85°C ya sa ya dace da yawancin yanayin waje da na motoci. Duk da haka, don fallasa kai tsaye na waje, ana buƙatar ƙarin la'akari da ƙira, kamar kariya daga radiation UV (wanda zai iya launin rawaya epoxy bayan lokaci), rufewar danshi na gabaɗayan haɗawa, da ingantaccen sarrafa zafi a ƙarƙashin hasken rana kai tsaye.

11. Nazarin Hali na Ƙira na Aiki

Yanayi:Ƙirar allon sauyawa na membrane mai hasken baya don na'urar sarrafa masana'antu da ke buƙatar LED 10 na nuna alama ja. Allon yana aiki daga wadatar 5V a cikin yanayi har zuwa 60°C.

Matakan Ƙira:

1. Zaɓin Wutar Lantarki na Yanzu:Zaɓi wutar lantarki na gaba na 20mA don daidaitaccen daidaito na haske da tsawon rai.
2. Lissafin Resistor:Yin amfani da matsakaicin ƙarfin lantarki na gaba daga kwandon shara B2 (2.35V) don ƙirar mafi munin yanayi: R = (5V - 2.35V) / 0.020A = 132.5Ω. Ana iya amfani da resistor na yau da kullun 130Ω ko 150Ω. Matsayin wutar lantarki na resistor ya kamata ya zama aƙalla (5V-2.35V)*0.02A = 0.053W, don haka resistor na yau da kullun 1/8W (0.125W) ya isa.
3. Binciken Zafi:A 60°C yanayi, tuntuɓi lanƙwasa rage ƙimar. An rage matsakaicin wutar lantarki da aka halatta. Tabbatar da 20mA har yanzu yana cikin yankin aiki mai aminci a 60°C. Idan ba haka ba, rage wutar lantarki ko inganta zubar da zafi.
4. Zaɓin Binning:Don kamanni iri ɗaya, ƙayyade ƙananan kwandon shara don HUE (tsayin raƙuman ruwa) da CAT (ƙarfi), misali, HUE: FF1 da CAT: T1 ko T2, dangane da matakin haske da ake buƙata.
5. Shimfidawa:Sanya LED daidai. Idan ana amfani da jagorar haske, bi zane-zanen injiniya don daidaitaccen daidaito. Tabbatar da kushin PCB sun dace da sawun ƙafa da aka ba da shawarar.

12. Gabatarwar Ka'idar Fasaha

LED yana aiki akan ka'idar electroluminescence a cikin kayan semiconductor. Don bambancin ja da aka bayyana, kayan guntu shine AlGaInP (Aluminum Gallium Indium Phosphide). Lokacin da aka yi amfani da ƙarfin lantarki na gaba a kan haɗin p-n, ana shigar da electrons da ramuka cikin yankin aiki inda suke sake haɗuwa. Wannan tsarin sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gami na AlGaInP yana ƙayyade makamashin bandgap, wanda kuma ya ayyana tsayin raƙuman ruwa (launi) na hasken da aka fitar—a wannan yanayin, a cikin bakan ja (~632mm kololuwa). Kunshin P-LCC-2 yana haɗa die na semiconductor, yana ba da kariya ta injiniya, yana ɗauke da mai nuna haske na ciki don siffanta fitar da haske, kuma yana samar da jagororin lantarki don haɗawa.

13. Trends da Ci gaban Masana'antu

Kasuwar LED na nuna alama kamar jerin 67-21 na ci gaba da haɓaka. Manyan trends sun haɗa da:

• Ƙara Ingantacciyar Aiki:Ci gaba da kimiyyar kayan aiki da ingantattun ƙira na guntu suna haifar da ingantaccen ingancin haske (ƙarin fitar da haske a kowace watt na shigarwar lantarki), yana ba da damar rage amfani da wutar lantarki ko ƙarin haske.
• Ƙananan Girma:Yayin da P-LCC-2 ke da kunshin daidaitaccen, akwai tuƙi na dindindin don ƙananan sawun ƙafa (misali, ƙananan kunshin guntu) don adana sarari akan PCBs masu yawa, musamman a cikin na'urori masu ɗaukuwa.
• Ingantaccen Aminci:Bukatun dogon rayuwa da aiki a cikin mafi munin yanayi (zafi mai yawa, danshi) suna tura ingantattun kayan kunshin, hanyoyin haɗa die, da fasahar phosphor (don fararen LED).
• Haɗin Kai mai Hikima:Trend mai girma shine haɗa da'irar sarrafawa (kamar direbobi na wutar lantarki na yau da kullun ko masu sarrafa PWM) a cikin kunshin LED da kansa, yana sauƙaƙe ƙirar da'irar waje.
• Faɗaɗa Gamut na Launi da Daidaito:Ci gaba a cikin fasahar binning da kayan phosphor suna ba da damar sarrafa launi mai ƙarfi da faɗin kewayon launuka masu jikewa, suna cika buƙatun ƙira na ado da alamun launi.