Takardar Bayanin Fasaha na LED Ja 3030 3.0x3.0x0.55mm SMD 2.6V 2.184W AlGaInP Na Motoci

1. Bayanin Samfura

Wannan takarda ta bayyana cikakkun bayanai game da ƙayyadaddun abubuwan aiki na babban aikin LED ja mai hawa saman (SMD). Na'urar ita ce fakitin 3.0mm x 3.0mm x 0.55mm da aka tsara don aikace-aikace masu ƙarfi, musamman a cikin sashin mota. Fasahar tsakiyarta ta dogara ne akan kayan semiconductor na Aluminum Gallium Indium Phosphide (AlGaInP), wanda aka sani da samar da haske ja, orange, da rawaya mai inganci da kwanciyar hankali.

1.1 Fa'idodi Na Asali Da Matsayin Samfura

Wannan LED an sanya shi a matsayin mafita mai ƙarfi don hasken mota. Manyan fa'idodinsa sun haɗa da ƙaramin shafi, babban fitar da haske, da bin ƙa'idodin amincin mota. Amfani da fakitin Epoxy Molding Compound (EMC) yana haɓaka aikin zafi da amincin dogon lokaci idan aka kwatanta da robobi na gargajiya. Tare da faɗin kusurwar kallo na digiri 120, yana dacewa don hasken aiki da na ado inda ake buƙatar rarraba haske daidai.

1.2 Kasuwar Da Ake Kaiwa Da Yanayin Aikace-aikace

Babbar kasuwar da ake kaiwa ita ce masana'antar mota. Takamaiman aikace-aikacen sun haɗa da, amma ba'a iyakance su ga:

• Hasken Waje:Fitilun baya haɗe (fitilun baya, fitilun tsayawa), fitilun tsakiyar babban tsayawa (CHMSL), fitilun alamar gefe.
• Hasken Ciki:Hasken bayan dashboard, hasken yanayi na mood, hasken maɓalli, fitilun karatu, da sauran fitilun nuni a cikin cabin.

Shirin cancantar samfurin ya dogara ne akan AEC-Q102, ƙa'idar gwaji na masana'antu don semiconductor na optoelectronic na mota, wanda ke nuna dacewarsa ga yanayin mawuyacin hali na amfani da mota.

2. Bincike Mai Zurfi Na Sigogi Na Fasaha

Sassan masu zuwa suna ba da cikakken bayani, fassarar haƙiƙa game da muhimman sigogi na lantarki, na gani, da na zafi da aka ƙayyade don wannan LED.

2.1 Halayen Photometric Da Na Gani

Duk sigogi na gani ana auna su a yanayin gwaji na yau da kullun na zafin jiki 25°C (Ts) da kuma kwarara gaba (IF) na 700mA, wanda ake ɗauka a matsayin madaidaicin wurin aiki.

• Juzu'in Hasken Gani (Φ):Jimlar fitar da hasken gani tana tsakanin mafi ƙanƙanta na lumens 105 (lm) zuwa mafi girma na 144 lm. Wannan babban fitarwa yana da halayen manyan LED na AlGaInP masu ƙarfi a cikin wannan girman fakitin.
• Matsakaicin Tsawon Tsawon Ruwa (λD):Babban launin hasken da aka fitar yana faɗuwa cikin kewayon 612.5 nm zuwa 620 nm. Wannan yayi daidai da launin ja, musamman a cikin ɓangaren tsawon tsawon ruwa (mafi orange-ja) na bakan ja.
• Kusurwar Kallo (2θ1/2):Madaidaicin kusurwar rabin ƙarfi shine yawanci digiri 120. An sami wannan faɗin tsarin haske ta hanyar ƙirar LED da tsarin fakitin mara dome, yana ba da faɗi, daidaitaccen haske wanda ya dace da yawancin ayyukan hasken mota.

2.2 Halayen Lantarki

• Ƙarfin Gaba (VF):A 700mA, ƙarfin gaba yana da kewayon 2.0V (min) zuwa 2.6V (max). Wannan ƙaramin ƙarfi yana da inganci kuma yana taimakawa rage ɓarnawar wutar lantarki. Ma'aunin ma'auni na wannan sigogi shine ±0.1V.
• Kwarara Baya (IR):Tare da biyan kuɗin baya na 5V, ƙarar ɓarna an iyakance shi zuwa matsakaicin 10 µA, yana nuna kyakkyawan halayen diode.

2.3 Halayen Zafi Da Matsakaicin Ƙididdiga

Gudanar da zafi daidai yana da mahimmanci ga aikin LED da tsawon rai. Muhimman sigogi na zafi sun haɗa da:

• Juriya na Zafi (R_thJ-S):An ba da ƙimomi biyu.
  • Na gaske (an auna):Yawanci 8.3 °C/W (max 13.3 °C/W). Wannan shine juriya na zafi daga haɗin semiconductor zuwa wurin solder a ƙarƙashin yanayin aiki na gaske.
  • Na Lantarki (an lissafta):Yawanci 5 °C/W (max 8 °C/W). Wannan sau da yawa ana samunsa daga canjin ƙarfin gaba tare da zafin jiki kuma yana ba da hanyar aunawa ta dabam.
  Waɗannan ƙimomi suna nuna yadda za a iya canja wurin zafi daga guntuwar LED zuwa allon kewayawa (PCB). Ƙananan ƙimomi sun fi kyau.
• Matsakaicin Zafin Haɗin Kai (T_J):Matsakaicin matsakaicin zafin jiki da aka yarda a haɗin semiconductor shine 150°C. Ci gaba da aiki a ko kusa da wannan zafin jiki zai rage tsawon rai sosai.
• Rushewar Wutar Lantarki (P_D):Matsakaicin ƙarfin wutar lantarki da aka yarda shine 2184 mW. Ainihin ikon aiki ana lissafta shi azaman Kwarara Gaba (I_F) × Ƙarfin Gaba (V_F). Misali, a 700mA da 2.6V, ikon shine 1820 mW, wanda yake cikin iyaka.
• Ƙididdigar Kwarara Gaba:Matsakaicin ci gaba da kwarara gaba (I_F) shine 840 mA. Matsakaicin kwarara gaba (I_FP) don aikin pulsed (faɗin bugun jini 10ms, sake zagayowar aiki 1/10) shine 1000 mA.

3. Bayanin Tsarin Binning

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana raba LED (binning) bisa ga muhimman sigogi. Wannan samfurin yana amfani da tsarin binning mai girma biyu don ƙarfin gaba da juzu'in haske a 700mA.

3.1 Binning na Ƙarfi Da Juzu'in Hasken Gani

Matrix din binning (Tebur 1-3 a cikin tushe) yana tsara na'urori kamar haka:

• Bins na Ƙarfin Gaba (Ginshiƙai):C0 (2.0-2.2V), D0 (2.2-2.4V), E0 (2.4-2.6V).
• Bins na Juzu'in Hasken Gani (Layuka):SA, SB (takamaiman kewayon lumen an nuna amma ba a bayyana su a fili a cikin abin da aka cire ba, yawanci suna wakiltar matakan fitarwa daban-daban, misali, SA don babban juzu'i).

Masu zane dole ne su ƙayyade V da ake buƙata_F/Bin juzu'i lokacin yin oda don tabbatar da daidaiton lantarki da haske da ake buƙata don aikace-aikacensu, musamman a cikin jerin LED da yawa.

4. Bincike Mai Lankwasa Na Aiki

Yayin da takamaiman bayanan zane aka ambata amma ba a cikakken bayani a cikin rubutun da aka bayar ba, madaidaicin lanƙwasa halayen gani don irin wannan LED zai haɗa da:

• Matsakaicin Ƙarfin Hasken Gani vs. Kwarara Gaba (I_F):Yana nuna yadda fitar da haske ke ƙaruwa tare da halin yanzu, yawanci a cikin alaƙar ƙasa-da-layin a manyan halayen yanzu saboda tasirin zafi.
• Ƙarfin Gaba vs. Kwarara Gaba (Lanƙwasa I-V):Yana nuna halayen kunna diode da kuma ƙarfin aiki a halayen yanzu daban-daban.
• Juzu'in Hasken Gani vs. Zafin Haɗin Kai:Yana kwatanta raguwar fitar da haske yayin da zafin haɗin LED ya tashi, yana nuna mahimmancin sarrafa zafi.
• Rarraba Ƙarfin Bakan:Zane da ke nuna ƙarfin hasken da aka fitar a kowane tsawon tsawon ruwa, yana tabbatar da tsayin tsawon ruwa da faɗin bakan (yawanci kunkuntar don LED mai launi ɗaya kamar wannan).

Waɗannan lanƙwasa suna da mahimmanci don ƙirar da'irar direba da tsarin zafi don cimma mafi kyawun aiki da kwanciyar hankali a tsawon rayuwar samfurin.

5. Bayanin Injiniya Da Fakitin

5.1 Girman Da Zane-zane

LED yana da ƙafar murabba'i 3.0mm x 3.0mm tare da tsayi na 0.55mm. Muhimman girmansu sun haɗa da girman ruwan tabarau kusan 2.60mm x 2.60mm. Duk ƙayyadaddun girma sune ±0.2mm sai dai idan an faɗi.

5.2 Ƙirar Pad Da Gano Polarity

An ba da tsarin sandar solder da aka ba da shawarar don tabbatar da ingantaccen solder da kuma ingantaccen nutsewar zafi. LED yana da anode da cathode. An bayyana polarity a kan na'urar da kanta (yawanci tare da tsaga, bevel, ko alama a gefen cathode). Daidai polarity yana da mahimmanci yayin haɗawa, kamar yadda amfani da ƙarfin baya zai iya lalata LED.

6. Jagororin Soldering Da Haɗawa

6.1 Umarnin SMT Reflow Soldering

Na'urar ta dace da duk daidaitattun hanyoyin haɗawa na Surface Mount Technology (SMT). Yakamata a haɓaka takamaiman bayanan reflow bisa ga shawarwarin masana'antar man solder. Muhimman abubuwan da za a yi la'akari da su sun haɗa da:

• Matsakaicin Zafin Jiki:Kada ya wuce matsakaicin ƙimar zafin jiki na fakitin LED (wanda aka samo daga zafin ajiya, yawanci 125°C don jiki, amma reflow peak yawanci yana da girma na ɗan lokaci kaɗan). Madaidaicin bayanan maras gubar (SAC) gabaɗaya suna dacewa.
• Lokaci Sama da Liquidus (TAL):Yakamata a sarrafa shi don rage matsanancin zafi akan kayan.

6.2 Gudanarwa Da Kula Da Ajiya

• Matakin Sensitiv na Dampi (MSL):Wannan ɓangaren an ƙididdige shi MSL Mataki 2. Wannan yana nufin cewa za'a iya fallasa shi ga yanayin yanayin masana'antu (≤ 30°C / 60% RH) har zuwa shekara guda. Idan an buɗe jakar busasshiyar asali ko wuce wannan lokacin, dole ne a gasa na'urorin kafin reflow soldering bisa ga ƙa'idodin IPC/JEDEC don hana fashewar popcorn yayin reflow.
• Zubar da Wutar Lantarki (ESD):Na'urar tana da juriya na ESD na 2000V (Samfurin Jikin Mutum). Yakamata a bi matakan kariya na ESD na yau da kullun yayin gudanarwa da haɗawa.
• Yanayin Ajiya:-40°C zuwa +125°C a cikin yanayi mai bushewa.

7. Bayanin Fakitin Da Oda

7.1 Ƙayyadaddun Fakitin

Ana samar da LED akan tef da reel don haɗawar atomatik.

• Tef Mai ɗauka:Madaidaicin tef mai bin EIA-481 tare da aljihu masu girman fakitin 3030.
• Girman Reel:Ana amfani da madaidaicin girman reel (misali, diamita inci 7 ko inci 13), tare da ƙayyade adadin kowane reel.
• Lakabi:Kowane reel ya haɗa da lakabi tare da lambar sashi, adadi, lambar lot, da bayanin lambar bin.

7.2 Fakitin Kariya Na Dampi

Don ɓangarorin MSL Mataki 2, ana sanya reels a cikin jakunkuna masu kariya daga danshi tare da desiccant da katunan nuna danshi don kare su yayin jigilar kaya da ajiya.

8. Shawarwari Na Ƙirar Aikace-aikace

8.1 Muhimman Abubuwan Da Ake Yi La'akari Da Ƙira

• Tuƙi Na Yanzu:Yi amfani da direba na yanzu na yau da kullun, ba tushen ƙarfin wutar lantarki ba, don ingantaccen fitar da haske da daidaito. Yakamata ƙirar ta yi aiki a ko ƙasa da 700mA ci gaba don mafi kyawun tsawon rai, la'akari da yanayin zafi na aikace-aikacen.
• Gudanar da Zafi:Wannan shine mafi mahimmanci al'amari ga manyan LED masu ƙarfi. Dole ne PCB ya sami ingantaccen ƙirar zafi:
  • Yi amfani da PCB mai ɗaukar zafi (misali, PCB na ƙarfe-core (MCPCB) ko FR4 tare da ramukan zafi).
  • Tabbatar cewa an yi amfani da tsarin sandar solder da aka ba da shawarar don ƙaruwa matsakaicin canja wurin zafi.
  • Ƙira don isasshen iska ko heatsinking don kiyaye zafin haɗin LED ƙasa da matsakaicin 150°C, mafi kyau ƙasa da 85-105°C don dogon rai.
• Ƙirar Gani:Faɗin kusurwar kallo na digiri 120 na iya ko ba zai buƙaci na'urorin gani na biyu (ruwan tabarau) ba dangane da aikace-aikacen. Don ayyukan siginar, ana iya buƙatar na'urorin gani don cika takamaiman buƙatun photometric (tsarin rarraba ƙarfi).

9. Tambayoyin Da Ake Yawan Yi Bisa Sigogi Na Fasaha

1. Q: Shin zan iya tuƙi wannan LED a 840mA ci gaba?
   A: Ƙididdigar 840mA shine matsakaicin matsakaici. Ci gaba da aiki a wannan halin yanzu yana yiwuwa ne kawai tare da ingantaccen sarrafa zafi wanda ke kiyaye zafin haɗin kai cikin iyaka. Don aminci da tsawon rai, ana ba da shawarar sosai aiki a ko ƙasa da 700mA na yau da kullun gwajin halin yanzu.
2. Q: Me ya sa akwai ƙimomi biyu daban-daban na juriya na zafi?
   A: Ƙimomin biyu sun samo asali ne daga hanyoyin aunawa daban-daban (na gaske vs na lantarki). Babban ƙimar \"na gaske\" (8.3 °C/W typ) yana da ra'ayi mafi girma kuma yakamata a yi amfani da shi don ƙididdigar ƙirar zafi mafi muni don tabbatar da amintacciyar gefe.
3. Q: Ta yaya zan zaɓi daidai V_Fbin don ƙirara?
   A: Idan ƙirar ku tana amfani da LED da yawa a jere, zaɓi V iri ɗaya_Fbin (misali, duk D0) don tabbatar da cewa suna raba halin yanzu daidai lokacin da wani tushen halin yanzu ya tuka su. Don layukan layi, yi la'akari da daidaitawa V_Fbins ko amfani da masu tsara halin yanzu daban-daban ga kowane layi.
4. Q: Menene tasirin zafin haɗin kai akan aiki?
   A: Yayin da zafin haɗin kai ya tashi, juzu'in hasken gani yana raguwa (yawanci kusan -0.5% zuwa -1% kowace °C don LED ja na AlGaInP), ƙarfin gaba yana raguwa kadan, kuma ƙimar lalacewar dogon lokaci tana haɓaka da ƙarfi. Sanyaya tasiri kai tsaye yana tasiri daidaiton haske da tsawon rai na samfurin.

10. Bayanin Fasaha Da Mahallin

10.1 Ƙa'idar Aiki

Wannan LED ya dogara ne akan fasahar semiconductor AlGaInP. Lokacin da aka yi amfani da ƙarfin gaba, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki na guntun semiconductor, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin Aluminum, Gallium, Indium, da Phosphide yana ƙayyade ƙarfin bandgap don haka tsawon tsawon ruwa (launi) na hasken da aka fitar, wanda a wannan yanayin yana cikin kewayon ja na 612-620 nm.

10.2 Trends a Fasahar LED Na Motoci

Amfani da LED a cikin hasken mota yana ci gaba da girma saboda fa'idodi a cikin ingancin makamashi, sassauƙan ƙira, ƙarfi, da dogon rai. Trends sun haɗa da mafi girman ingancin haske (ƙarin lumens kowace watt), ingantaccen aikin babban zafin jiki, da ƙaƙƙarfan launi da haske binning don kamanni iri ɗaya a cikin tsarin LED da yawa. Sabbin abubuwan ƙirƙira, kamar fakitin EMC da aka yi amfani da shi anan, sun mayar da hankali kan ingantaccen sarrafa zafi da juriya ga matsanancin yanayi (kewayawar zafin jiki, danshi), waɗanda ke da mahimmanci don cika ƙa'idodin amincin mota kamar AEC-Q102.