Bayanin Jan LED - Kayan 3.50mm x 2.80mm x 1.85mm - Ƙarfin Gaba 2.0V-2.6V - Ƙarfin Watsi 182mW - Takardar Bayanin Fasaha

1. Bayanin Samfur

Wannan takarda tana ba da cikakkun bayanan fasaha don jan LED mai haske mai ƙarfi (Diode Mai Fitowa da Hasken). An gina na'urar ta amfani da kayan semiconductor AlGaInP (Aluminum Gallium Indium Phosphide) da aka girma akan substrate, wanda shine daidaitaccen fasaha don samar da ingantattun LED na ja, orange, da rawaya. Babban abin da ake mayar da hankali a kai na wannan ɓangaren shine a cikin sashin mota, inda aminci da aiki a ƙarƙashin yanayi mai tsanani suke da muhimmanci.

1.1 Matsayin Samfur da Fa'idodin Cibiya

An sanya wannan LED a matsayin madaidaicin mafita don hasken cikin gida da waje na mota, da kuma hasken baya don maɓalli da nuni. Fa'idodinsa na cibiya sun samo asali daga ƙirarsa da ingancinsa:

• Babban Aminci don Amfani da Mota:Shirin gwajin ingancin samfurin ya dogara ne akan ma'auni na AEC-Q102, wanda ke ayyana buƙatun gwajin damuwa don semiconductors na optoelectronic a cikin aikace-aikacen mota. Wannan yana tabbatar da cewa LED zai iya jurewa matsanancin zafin jiki, girgiza, da buƙatun aiki na dogon lokaci na mota.
• Faffadan Kusurwar Dubawa:Ƙirar kayan tana samar da faffadan kusurwar dubawa, yana tabbatar da daidaitaccen haske da ganuwa daga matsayi daban-daban, wanda yake da muhimmanci ga hasken sigina da nuni.
• Daidaitawar SMT:Bangaren yana cikakkiyar daidaitawa da daidaitaccen Fasahar Surface-Mount (SMT) haɗawa da hanyoyin sake gudana na solder, yana ba da damar haɗa PCB (Printed Circuit Board) mai sauri, ta atomatik.
• Yin Biyayya da Muhalli:Na'urar tana bin umarnin RoHS (Ƙuntata Abubuwa masu Hadari) kuma tana da Matakin Hankali na Danshi (MSL) na Mataki na 2, yana nuna cewa tana buƙatar gasa idan an fallasa shi ga iskar yanayi fiye da shekara guda kafin yin solder.

1.2 Kasuwar Manufa da Aikace-aikace

Babban kasuwar manufa ita ce masana'antar mota. Takamaiman aikace-aikace sun haɗa da, amma ba'a iyakance su zuwa:

• Hasken Waje na Mota:Hasken Tsayawa na Tsakiya Mai Tsayi (CHMSL), fitilun alamar gefe, da sauran ayyukan sigina inda ake buƙatar launin ja.
• Hasken Cikin Gida na Mota:Nunan dashboard, hasken baya na maɓalli, da hasken yanayi.
• Gabaɗaya Hasken Baya na Maɓalli:Ana iya amfani da shi a cikin na'urorin lantarki daban-daban da fale-falen sarrafawa bayan mota.

2. Bincike Mai Zurfi na Sigogi na Fasaha

2.1 Halayen Photometric da Na Gani (Ts=25°C, IF=50mA)

Ma'auni mafi mahimmanci suna ayyana fitowar haske da launin LED a ƙarƙashin yanayin gwaji na daidaito. Duk ma'auni ana yawan ɗaukar su tare da igiyar bugun jini don rage tasirin dumama.

• Matsakaicin Tsawon Zango (λD):Ya kewayo daga 612.5 nm zuwa 625 nm. Wannan yana sanya fitowar LED a cikin ɓangaren ja na bakan gani. Takamaiman tsawon zango yana shafar launin hasken ja da ake gani.
• Ƙarfin Hasken (Iv):Ya kewayo daga 2300 mcd (millicandela) zuwa 4300 mcd a 50mA. Wannan ma'auni ne na hasken LED kamar yadda idon ɗan adam ke gani. Babban ƙarfi yana sa ya dace da aikace-aikacen da ke buƙatar ganuwa mai girma, ko da a cikin hasken rana.
• Kusurwar Dubawa (2θ1/2):Matsakaicin cikakken kusurwar dubawa a rabin ƙarfi shine digiri 120. Wannan faffadan kusurwa halayar ce ta kayan PLCC (Plastic Leaded Chip Carrier) tare da ruwan tabarau mai kambi, wanda ke yada haske yadda ya kamata.

2.2 Halayen Lantarki da Zazzabi

Fahimtar iyakokin lantarki da halayen zafin jiki yana da mahimmanci don ingantaccen ƙirar kewayawa da tabbatar da dogon rayuwar LED.

• Ƙarfin Gaba (VF):Tsakanin 2.0V da 2.6V a ƙarfin gaba (IF) na 50mA. Wannan raguwar ƙarfin lantarki mai ƙanƙanta yana da inganci kuma yana sauƙaƙa kewayawar tuƙi. Dole ne masu ƙira su yi la'akari da wannan kewayon lokacin zaɓar resistors masu iyakancewa ko ƙirar tuƙi mai dindindin.
• Matsakaicin Matsayin Cikakke:Waɗannan iyakoki ne na damuwa waɗanda ba za a taɓa wucewa ba, ko da na ɗan lokaci.
  • Ci gaba da Ƙarfin Gaba (IF):70 mA.
  • Ƙarfin Gaba na Kololuwa (IFP):100 mA (a 1/10 aikin aiki, faɗin bugun 10ms).
  • Ƙarfin Watsi (PD):182 mW. Wannan shine matsakaicin ƙarfin da kayan zai iya ɗauka, wanda aka lissafta shi azaman VF * IF.
  • Ƙarfin Baya (VR):5 V. Wucewa wannan zai iya lalata haɗin LED nan take.
  • Yanayin Aiki/Ajiya (TOPR / TSTG):-40°C zuwa +110°C.
  • Zazzabi na Junction (TJ):Matsakaicin 125°C. Zazzabin cibiyar guntu semiconductor kanta.
• Juri na Zazzabi (Rth):Wannan sigogi yana nuna yadda zafi ke tafiya yadda ya kamata daga haɗin semiconductor zuwa wurin solder. Ƙimar ƙasa ce mafi kyau.
  • Rth JS (na gaske):Matsakaicin 150 °C/W, Max 170 °C/W. Wannan shine juri na zazzabi a ƙarƙashin yanayin aiki na gaske.
  • Rth JS (na lantarki):Matsakaicin 80 °C/W, Max 90 °C/W. Wannan ƙimar aunawa ce a ƙarƙashin takamaiman yanayin gwajin lantarki (50mA, 25°C yanayi).

Tasirin Ƙira:Takardar bayanin ta faɗi a sarari cewa dole ne a ƙayyade matsakaicin ƙarfin aiki bayan auna zafin jikin kayan yayin aiki don tabbatar da cewa zazzabin junction (TJ) bai wuce 125°C ba. Mummunan ƙirar zazzabi na PCB (misali, ƙaramin yanki na jan karfe don sanyaya zafi) zai iya haifar da gazawar da wuri saboda yawan zafi, ko da idan ƙarfin lantarki yana cikin iyaka.

3. Bayanin Tsarin Binning

Ana rarraba LED zuwa ƙungiyoyin aiki, ko "bins," bisa mahimman sigogi da aka auna yayin samarwa. Wannan yana tabbatar da daidaito ga mai amfani na ƙarshe. Wannan samfurin yana amfani da tsarin binning mai girma uku.

3.1 Binning na Ƙarfin Gaba (VF)

Ana rarraba LED zuwa bins na ƙarfin lantarki guda shida (C1, C2, D1, D2, E1, E2), kowanne yana wakiltar kewayon 0.1V daga 2.0V zuwa 2.6V. Wannan yana ba masu ƙira damar zaɓar LED tare da ƙarfafan juriya na ƙarfin lantarki don aikace-aikacen da ke buƙatar daidaitaccen haske lokacin da tushen ƙarfin lantarki mai dindindin ke tuƙa su.

3.2 Binning na Ƙarfin Hasken (Iv)

Ana rarraba fitowar haske zuwa bins na ƙarfi guda uku (N2, O1, O2) a ƙarfin gwaji na 50mA:

• N2: 2300 - 2800 mcd
• O1: 2800 - 3500 mcd
• O2: 3500 - 4300 mcd

Wannan binning yana da mahimmanci ga aikace-aikacen da ake amfani da LED da yawa tare kuma suna buƙatar daidaita haske, kamar a cikin sandunan haske ko tsararraki.

3.3 Binning na Tsawon Zango (WD)

Ana rarraba matsakaicin tsawon zango zuwa bins guda biyar (C2, D1, D2, E1, E2), kowanne yana shimfiɗa 2.5 nm daga 612.5 nm zuwa 625 nm. Wannan yana tabbatar da daidaiton launi a cikin guntu na LED, wanda ke da mahimmanci musamman ga aikace-aikacen kayan ado da sigina.

4. Bincike na Lanƙwasa Aiki

Yayin da takardar bayanin ta yi nuni da "Matsakaicin Lanƙwasa Halayen Gani," teburun da aka bayar suna ba da damar bincike na ma'ana na yanayin aiki da ake tsammani.

4.1 Halayen Ƙarfi vs. Ƙarfin Lantarki (I-V)

Bisa ga ƙayyadaddun ƙarfin gaba, lanƙwasa I-V don wannan AlGaInP LED zai nuna kaifi mai kaifi a kusan 1.8V zuwa 2.0V, yana haɓaka sosai zuwa wurin aiki da aka ayyana a 50mA (tsakanin 2.0V da 2.6V). Lanƙwasa ba layi daya ba ne kuma yana dogara da zafin jiki; ƙarfin lantarki yawanci yana raguwa yayin da zazzabin junction ya ƙaru don wani ƙarfi na musamman.

4.2 Zazzabi vs. Ƙarfin Hasken

Kamar duk LED, fitowar haske na wannan na'urar tana raguwa yayin da zazzabin junction ya ƙaru. Wannan ana kiransa da sanyaya zafi. Ba a bayar da cikakkiyar lanƙwasa rage ƙarfi ba, amma dole ne masu ƙira su yi la'akari da wannan tasiri, musamman a cikin yanayi mai zafi kamar ɗakunan injin mota ko rufaffiyar da ba su da iska mai kyau. Kiyaye ƙaramin juri na zazzabi daga LED zuwa muhalli shine mabuɗin don adana haske.

5. Bayanin Injiniya da Kayan Aiki

5.1 Girman Kayan Aiki da Zane-zane

Na'urar tana amfani da kayan PLCC-4 (Plastic Leaded Chip Carrier, 4-pin). Manyan girma daga zane-zane sune:

• Girman Kayan Aiki Gabaɗaya: 3.50 mm (Tsawon) x 2.80 mm (Faɗi) x 1.85 mm (Tsayi). Duk ƙarfin jurewa shine ±0.05 mm sai dai idan an faɗi in ba haka ba.
• Girman Pad na Frame Lead: Ƙananan pads suna auna 2.60 mm x 1.60 mm.
• Girma na Kogo / Ruwan Tabarau: Budewar sama tana da diamita 2.40 mm.

5.2 Gano Polarity da Tsarin Ƙasa na Solder

Kayan aiki sun haɗa da alamar polarity, yawanci kusurwa mai kusurwa ko ɗigo a saman saman, don gano Pin 1. An ba da shawarar tsarin ƙasa na PCB (sawun solder) don tabbatar da ingantaccen haɗin solder da kwanciyar hankali na injiniya yayin sake gudana. Bin wannan tsarin yana da mahimmanci don daidaita kai yayin aikin solder da kuma don ingantaccen haɗin zazzabi da lantarki.

6. Jagororin Solder da Haɗawa

6.1 Umarnin Solder na Sake Gudana na SMT

LED yana dacewa da duk hanyoyin SMT. Kamar yadda bangaren MSL Level 2 ne, dole ne a yi amfani da shi cikin watanni 12 na kwanan rufewar jakar ko a gasa kafin solder idan an fallasa shi fiye da haka. An ba da shawarar daidaitaccen bayanin sake gudana mara gubar (SnAgCu), tare da matsakaicin zazzabi yawanci bai wuce 260°C ba na ɗan gajeren lokaci (misali, 10-30 dakika sama da 240°C). Dole ne a tabbatar da cikakken bayanin tare da ƙayyadaddun masana'anta na man solder.

6.2 Kula da Kula da Ajiya

Manyan matakan kariya sun haɗa da:

• Kariyar ESD:Na'urar tana da juriya na ESD na 2000V (HBM). Dole ne a ko da yaushe a yi amfani da matakan kariya na ESD na daidaito (wrist straps, mats masu aiki da lantarki, kayan aiki masu tushe) yayin sarrafawa.
• Sarrafa Danshi:Ku bi hanyoyin sarrafa MSL Level 2 don hana "popcorning" (fashewar kayan aiki) yayin sake gudana sakamakon ɓoyayyen danshi yana tururi.
• Kaucewa Damuwa na Injiniya:Kar a yi amfani da ƙarfi ga ruwan tabarau mai kambi, saboda zai iya fashewa ko rabuwa.
• Tsaftacewa:Idan ana buƙatar tsaftacewa bayan solder, yi amfani da kaushi masu dacewa waɗanda ba su lalata kayan filastik ko ruwan tabarau ba. Ku tuntubi masana'anta don shawararrun wakilai na tsaftacewa.

7. Bayanin Kayan Aiki da Oda

7.1 Ƙayyadaddun Reel da Tepe

Ana ba da samfurin akan tepe da reel don haɗawa ta atomatik na ɗauka da sanyawa. Girman tepe mai ɗauka (girman aljihu, tsayi) da girman reel (diamita, girman cibiya) an ƙayyade su don dacewa da na'urori masu ciyarwa na daidaitaccen SMT.

7.2 Jakar Tsaro na Danshi da Lakabi

Ana tattara reels a cikin jakunkunan tsaro na danshi tare da desiccant don kiyaye matakin MSL. Ƙayyadaddun lakabin waje ya haɗa da mahimman bayanai kamar lambar ɓangare, yawa, lambar kwanan wata, da lambobin bin don ƙarfin haske, ƙarfin lantarki, da tsawon zango.

8. Abubuwan Ƙira na Aikace-aikace

8.1 Ƙirar Kewayawar Tuƙi

Don mafi kyawun aiki da dogon rayuwa, ku tuƙa LED tare da tushen ƙarfi mai dindindin maimakon ƙarfin lantarki mai dindindin tare da resistor na jeri, musamman a cikin aikace-aikacen mota inda ƙarfin samarwa (misali, 12V) zai iya bambanta sosai. Direba mai dindindin na ƙarfi yana tabbatar da kwanciyar hankali na haske kuma yana kare LED daga ƙyalli na ƙarfi. Idan kuna amfani da resistor, ku lissafa ƙimarsa bisa matsakaicin ƙarfin samarwa da mafi ƙarancin ƙarfin gaba daga bin don kaucewa wucewa matsakaicin ƙarfin cikakke.

8.2 Gudanar da Zazzabi akan PCB

Don sarrafa juri na zazzabi da kiyaye zazzabin junction ƙasa:

• Yi amfani da shawarar tsarin ƙasa na solder.
• Haɗa pad ɗin zazzabi (idan an haɗa shi da lantarki zuwa wani jagora) zuwa babban yanki na jan karfe akan PCB. Wannan jan karfe yana aiki azaman sanyaya zafi.
• Yi amfani da hanyoyin zazzabi da yawa don canja wurin zafi daga saman zuwa cikin ko ƙananan layukan jan karfe.
• A cikin aikace-aikacen babban ƙarfi ko babban yanayi-zazzabi, ku yi la'akari da yin amfani da PCB mai cibiyar ƙarfe (MCPCB) don mafi girman watsi da zafi.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da daidaitaccen PLCC jan LED wanda bai cancanci amfani da mota ba, manyan bambance-bambance na wannan samfurin sune:

• Ingancin AEC-Q102:Wannan shine mafi girma fa'ida, wanda ya haɗa da jerin gwaje-gwaje masu tsanani (rayuwar aiki mai zafi, kewayawar zafin jiki, juriya ga danshi, da sauransu) waɗanda ke ba da garantin aminci a cikin yanayin mota.
• Faɗaɗa Kewayon Zazzabi:Aiki daga -40°C zuwa +110°C, ya dace da aikace-aikacen haske na ƙarƙashin hula da waje.
• Ƙarfafa Sarrafa Sigogi da Binning:Yana yiwuwa yana fasalta ƙarin sarrafa masana'antu da hanyoyin rarrabawa don saduwa da buƙatun OEM na mota don daidaito.

10. Tambayoyin da ake yawan yi (FAQ)

Q: Zan iya tuƙa wannan LED kai tsaye daga samar da 5V ko 12V?
A: A'a. Dole ne ku yi amfani da hanyar iyakancewa ƙarfi. Don samar da 5V, resistor na jiri ya zama na kowa. Don 12V (mota), ana iya amfani da resistor amma ba shi da inganci kuma haske zai bambanta da ƙarfin lantarki; an ba da shawarar direba mai dindindin ko naƙasasshe mai ƙarfi.

Q: Menene ma'anar "Matakin Hankali na Danshi 2" ga samarwata?
A: Yana nufin cewa LED, da zarar an cire su daga jakunkunan su na tsaro na danshi, dole ne a yi solder a cikin shekara 1 na tattarawar masana'anta a ƙarƙashin yanayin yanayi (<30°C/60%RH). Idan an wuce, suna buƙatar gasa (misali, 125°C na awanni 24) kafin sake gudana don cire ɗaukar danshi.

Q: Ta yaya zan fassara lambobin bin (misali, O1, D2, E1) akan lakabin?
A: Ku koma zuwa Tebur 1-3 a cikin takardar bayanin. "O1" yana nuna bin na ƙarfin haske (2800-3500 mcd), "D2" yana nuna bin na ƙarfin gaba (2.3-2.4V), kuma "E1" yana nuna bin na tsawon zango (620-622.5 nm).

11. Misalin Aikace-aikace na Aiki

Yanayi: Ƙirar Hasken Tsayawa na Tsakiya Mai Tsayi (CHMSL)
Matakan Ƙira:

1. Bukatar Hasken:Ƙayyade ƙarfin haske da ake buƙata kowane LED. Zaɓi bin Iv da ya dace (misali, O2 don matsakaicin haske).
2. Daidaiton Launi:Don bayyanar ja mai daidaito, ƙayyade ƙunƙuntaccen bin na tsawon zango (misali, D2 kawai: 617.5-620 nm).
3. Ƙirar Kewayawa:Ƙirar kewayawar direba mai dindindin wanda ke isar da 50mA zuwa kowane jerin/ layin LED, yana la'akari da samar da mota 12V (na al'ada) wanda zai iya kewayo daga 9V zuwa 16V.
4. Shimfidar PCB:Yi amfani da shawarar tsarin ƙasa. Ƙirar PCB tare da yalwar zubar da jan karfe da aka haɗa da pads na LED don yin aiki azaman mai yada zafi. Sanya LED tare da isasshen tazara don hana crosstalk na zafi.
5. Tabbatar da Zazzabi:Yi samfurin allo kuma ku auna zafin jikin LED a ƙarƙashin yanayi mafi muni (babban yanayi-zazzabi, matsakaicin ƙarfin samarwa). Tabbatar da lissafin zazzabin junction (TJ = Tcase + (Rth JS * Ƙarfi)) ya kasance ƙasa da 125°C.

12. Ƙa'idar Fasaha

Wannan LED ya dogara ne akan fasahar semiconductor AlGaInP. Yankin aiki ya ƙunshi yadudduka na gami na Aluminum Gallium Indium Phosphide da aka girma akan substrate (mai yiwuwa GaAs). Lokacin da aka yi amfani da ƙarfin gaba, electrons da ramuka ana shigar da su cikin yankin aiki inda suke sake haɗuwa, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun ciki na gami na AlGaInP yana ƙayyade ƙarfin bandgap don haka tsawon zango na fitowar haske, wanda a wannan yanayin yana cikin bakan ja (612-625 nm). Kayan PLCC sun haɗa da kofi mai haske don jagorantar haske sama da kuma ruwan tabarau na epoxy da aka ƙera don siffata katako da samar da faffadan kusurwar dubawa.

13. Trends na Masana'antu

Kasuwar hasken mota na ci gaba da haɓaka, tare da trends da ke shafar sassa kamar wannan LED:

• Ƙara Shigar da LED:LED suna maye gurbin kwararan fitila a cikin ƙarin ayyuka na mota saboda ingancinsu, dogon rayuwa, da sassauƙan ƙira.
• Bukatar Mafi Girman Aminci:Kamar yadda ake amfani da LED a cikin ƙarin aikace-aikacen mahimmanci na aminci (misali, fitilun kan hanya, katako na tuƙi masu daidaitawa), buƙatar abubuwan da suka cancanci AEC-Q102 tare da tabbataccen bayanan aminci na dogon lokaci yana girma.
• Ƙanƙanta:Akwai turawa akai-akai don ƙananan girman kayan aiki tare da daidaitaccen fitowar haske ko mafi girma don ba da damar ƙira mai sauƙi, ƙarin haɗaɗɗen ƙira na haske.
• Hasken Wayo:Haɗa LED tare da na'urori firikwensin da kayan lantarki na sarrafawa don tsarin haske masu daidaitawa da sadarwa shine babban trend, ko da yake wannan na'urar ƙaramin ɓangaren fitarwa ne a cikin irin wannan tsarin.