Bayanin Fasaha na LED na Amber PLCC-2 - Amber da aka Canza da Phosphor - Kallon 120° - 3.0V @ 20mA - Nau'in Motoci

1. Bayanin Samfur

Wannan takarda ta bayyana cikakkun bayanai na LED mai dogaro, mai hawa a saman a cikin kunshin PLCC-2. Na'urar tana fitar da hasken Amber da aka Canza da Phosphor (PCA), tana ba da matsakaicin ƙarfin haske na millicandelas 900 (mcd) lokacin da aka tuka da igiyar gaba na milliamperes 20 (mA). Babban abin da aka tsara shi ne don amfanin cikin mota, inda aikin da ya dace, dogon dogaro, da bin ƙa'idodin masana'antu masu tsauri suke da muhimmanci.

LED yana da faɗin kusurwar kallo na digiri 120, wanda ya sa ya dace da aikace-aikacen da ke buƙatar haske mai daidaitawa a kan faffadan yanki, kamar hasken baya don maɓalli da gungu na kayan aiki. Ya cancanci ma'aunin AEC-Q102 don semiconductors na gani a aikace-aikacen mota, yana tabbatar da cewa ya cika ƙaƙƙarfan buƙatun inganci da dogaro don amfani a cikin motoci. Bugu da ƙari, samfurin ya bi umarnin muhalli ciki har da RoHS, REACH, da ƙayyadaddun maras halogen, yana daidaitawa da ƙa'idodin masana'antu na zamani da na muhalli.

2. Bincike Mai zurfi na Sigogi na Fasaha

2.1 Halayen Hoto da Lantarki

An ayyana ainihin sigogi a ƙarƙashin yanayin yanayin igiyar gaba na 20mA (I_F) da zafin yanayi na 25°C. Ƙarfin lantarki na gaba (V_F) yakan auna volts 3.0, tare da ƙayyadadden kewayon daga 2.5V (ƙarami) zuwa 3.5V (matsakaici). Wannan sigogi yana da mahimmanci don ƙirar da'irar tuƙi da tabbatar da isar da wutar lantarki mai ƙarfi.

Fitowar farko ta hoto shine ƙarfin haske (I_V), tare da ƙimar yau da kullun na 900 mcd. Ƙananan da matsakaicin iyaka na wannan sashe na musamman sune 560 mcd da 1400 mcd, bi da bi. Yana da mahimmanci a lura da ƙimar aunin ƙarfin haske shine ±8%. Babban haɗin launi (CIE x, y) an ƙayyade shi azaman (0.56, 0.42) tare da ƙaramin iyaka na ±0.005, yana tabbatar da daidaitaccen fitar da launin amber a cikin rukunin samarwa.

2.2 Matsakaicin Matsakaici da Gudanar da Zafi

Aiki da na'urar fiye da waɗannan iyakoki na iya haifar da lalacewa na dindindin. Matsakaicin ci gaba na ci gaba na gaba shine 30 mA, tare da matsakaicin ɓarnawar wutar lantarki na 75 mW. Don gajerun bugun jini (t ≤ 10 µs, aikin D=0.005), na'urar na iya jure igiyar guguwa (I_FM) har zuwa 250 mA. Zafin haɗin gwiwa (T_J) bai kamata ya wuce 125°C ba, tare da kewayon zafin aiki (T_opr) na -40°C zuwa +110°C.

Gudanar da zafi yana da mahimmanci ga aikin LED da tsawon rai. Bayanin fasaha ya ƙayyade ƙimar juriya na zafi guda biyu: ainihin juriya na zafi (R_{th JS real}) na 160 K/W matsakaici da juriya na lantarki na zafi (R_{th JS el}) na 120 K/W matsakaici. Waɗannan ƙimar suna wakiltar ƙarancin zafi daga haɗin gwiwar semiconductor zuwa wurin solder, yana jagorantar ƙirar heatsink. Lanƙwan rage ƙarfin igiyar gaba yana nuna a fili cewa matsakaicin ƙarfin ci gaba da aka yarda dole ne a rage yayin da zafin fakitin solder ya ƙaru, yana faɗuwa zuwa 27 mA a 110°C.

3. Bayanin Tsarin Rarrabawa

Don sarrafa bambance-bambancen samarwa, ana rarraba LED zuwa kwandon asusun sigogi masu mahimmanci. Fahimtar wannan tsarin yana da mahimmanci don daidaiton ƙira.

3.1 Rarrabawar Ƙarfin Hasken

Ana rarraba ƙarfin haske ta amfani da tsarin lambar haruffa wanda ya kai daga L1 (11.2-14 mcd) har zuwa GA (18000-22400 mcd). Ga wannan lambar sashe ta musamman (65-11-PA0200H-AM), an haskaka kwandon fitarwa mai yuwuwa kuma yana cikin kewayon V1 (710-900 mcd) da V2 (900-1120 mcd), tare da ƙimar yau da kullun na 900 mcd yana zaune a kan iyaka.

3.2 Rarrabawar Launi da Ƙarfin Lantarki na Gaba

An ayyana launin Amber da aka Canza da Phosphor a cikin takamaiman yankuna akan zanen launi na CIE. Tsarin kwandon da aka bayar yana nuna haɗin kai don lambobi kamar 8285, 8588, da 8891, waɗanda ke ayyana sararin launi da aka yarda don fitar da amber. Hakanan an rarraba ƙarfin lantarki na gaba tare da lambobi kamar 2527 (2.50-2.75V), 2730 (2.75-3.00V), da 3032 (3.00-3.25V), wanda aka auna a I_F=20mA. Ƙimar yau da kullun na 3.0V ta faɗi cikin kwandon 2730.

4. Binciken Lanƙwan Aiki

Bayanin fasaha ya haɗa da jadawali da yawa da ke nuna alaƙa tsakanin sigogi na lantarki, zafi, da na gani.

4.1 Alakar Lantarki da Na Gani

NaIgya ta Gaba vs. Ƙarfin Lantarki na Gabajadawali yana nuna halayen diode na al'ada. NaMatsakaicin Ƙarfin Hasken vs. Igya ta Gabalanƙwan yana kusan layi har zuwa matsakaicin maki 20mA, yana nuna ingantaccen inganci a cikin kewayon aiki na yau da kullun. NaCanjin Haɗin Launi vs. Igya ta Gabajadawali yana nuna ƙaramin canji a cikin launi (duka Δx da Δy suna da ƙanƙanta) tare da bambancin igiya, wanda ake so don kwanciyar hankali na fitar da launi.

4.2 Dogaro da Zafin Jiki

Zafin jiki yana tasiri sosai ga aikin LED. NaMatsakaicin Ƙarfin Lantarki na Gaba vs. Zafin Haɗin gwiwalanƙwan yana nuna ƙimar zafi mara kyau, tare da V_Fyana raguwa a layi yayin da zafin jiki ya ƙaru. Wannan dukiya wani lokaci ana iya amfani da ita don jin zafin jiki. Akasin haka, naMatsakaicin Ƙarfin Hasken vs. Zafin Haɗin gwiwalanƙwan yana nuna raguwa a fili a cikin fitar da haske yayin da zafin jiki ya tashi, wani abu da aka sani da zazzagewar zafi. Saboda haka ƙirar zafi mai tasiri yana da mahimmanci don kiyaye haske. NaCanjin Haɗin Launi vs. Zafin Haɗin gwiwajadawali yana nuna ƙarin bayyanannen canjin launi tare da zafin jiki idan aka kwatanta da bambancin igiya, wanda dole ne a yi la'akari da shi a cikin aikace-aikacen launi mai zurfi.

4.3 Tsarin Bakan da Tsarin Radiation

NaHalayen Tsawon Tsawonjadawali yana nuna rarraba ƙarfin bakan na dangi na hasken amber da aka canza da phosphor, yawanci yana nuna kololuwar faɗi a yankin rawaya-amber. NaHalayen Jadawali na Tsarin Radiationyana kwatanta rarraba ƙarfin sararin samaniya, yana tabbatar da faɗin kusurwar kallo na 120° inda ƙarfin ya faɗi zuwa rabin ƙimar kololuwa a ±60° kashe-axis.

5. Bayanin Injiniya, Haɗawa, da Kunshin

5.1 Girman Jiki da Polarity

An sanya kayan a cikin daidaitaccen kunshin PLCC-2 (Plastic Leaded Chip Carrier) mai hawa a saman. Zanen injiniya yana ba da madaidaicin girma don tsawon jiki, faɗi, tsayi, da tazarar jagora. Ana gano cathode ta hanyar alamar gani kamar tsaga ko digo akan kunshin, ko kusurwa mai chamfered, wanda aka nuna a fili a cikin zanen. Daidaitaccen alkibla yayin haɗawa yana da mahimmanci.

5.2 Jagororin Solder da Reflow

An ba da shimfidar fakitin solder da aka ba da shawarar (tsarin ƙasa) don tabbatar da samar da haɗin gwiwar solder mai dogaro da kwanciyar hankali na injiniya. An ƙididdige na'urar don solder reflow tare da matsakaicin zafin jiki na 260°C na matsakaicin dakika 30, kamar yadda aka bayar a cikin jadawalin reflow soldering. Wannan bayanin martaba yana ayyana yankuna masu mahimmanci: preheat, jiƙa, reflow (tare da lokacin sama da ruwa), da sanyaya. Bin wannan bayanin martaba yana hana lalacewar zafi ga kunshin LED da mutuwar ciki.

5.3 Kunshin da Gudanarwa

Ana ba da LED akan tef da reel don dacewa da kayan aikin haɗawa da zaɓi da wuri ta atomatik. Bayanin kunshin ya ƙididdige girman reel, faɗin tef, tazarar aljihu, da alkiblar abubuwa akan tef. Matsayin Hancin Danshi (MSL) an ƙididdige shi a 3, ma'ana ana iya fallasa kunshin zuwa yanayin bene na masana'anta (≤ 30°C / 60% RH) har zuwa sa'o'i 168 kafin a buƙaci gasa. Ana ba da shawarar gudanar da daidai gwargwado bisa ƙa'idodin IPC/JEDEC don guje wa lalacewar da danshi ya haifar yayin reflow.

6. Bayanan Aikace-aikace da Abubuwan Ƙira

6.1 Yanayin Aikace-aikace na Farko

An tsara wannan LED a fili donHasken Cikin Mota. Wannan ya haɗa da, amma bai iyakance ga:

• Hasken Baya don Maɓalli da Sarrafawa:Masu zaɓin gear, maɓallin taga, bangarorin sarrafa yanayi.
• Hasken Gungu na Kayan Aiki:Hasken baya don ma'auni da alamun gargaɗi.
• Hasken Yanayi na Gabaɗaya:Fitilun ƙafar ƙafa, hasken mai riƙe da kofi, da sauran hasken lafazin gida.

6.2 Ƙirar Da'ira da Abubuwan Kariya

Kamar yadda yake tare da duk LED, ƙa'idar igiya ta wajibi ne; yakamata a tuka na'urar ta hanyar tushen igiya mai dindindin, ba tushen ƙarfin lantarki ba, don tabbatar da fitar da haske mai ƙarfi da hana guduwar zafi. Resistan iyakance igiya na jerin shine mafi sauƙin hanya lokacin amfani da wadataccen wutar lantarki. Da'irar direba dole ne ta mutunta matsakaicin matsakaicin ƙima, gami da iyakance ƙarfin lantarki na baya (ba a tsara na'urar don aikin baya ba).

Ya kamata a aiwatar da matakan kariya na Electrostatic Discharge (ESD) yayin sarrafawa da haɗawa, saboda na'urar tana da hankali na ESD na 8kV (Samfurin Jikin Mutum). Bayanin fasaha kuma ya haɗa da takamaimanAbubuwan Kariya don AmfanidaKa'idojin Gwajin Sulfur, yana nuna yuwuwar yanayin gazawa a cikin mawuyacin yanayi mai ɗauke da iskar gas mai lalata kamar hydrogen sulfide, wanda zai iya kai hari ga jagororin da aka lulluɓe da azurfa. Wannan yana da alaƙa musamman ga aikace-aikacen mota inda za a iya haɗu da irin waɗannan yanayi.

7. Kwatancen Fasaha da Mahallin Kasuwa

Idan aka kwatanta da LED marasa nau'in mota, mabuɗin bambance-bambancen na'urar shine cancantar AEC-Q102, faɗaɗa kewayon zafin aiki (-40°C zuwa +110°C), da ingantaccen gwajin dogaro don yanayin mota. Fasahar Amber da aka Canza da Phosphor tana ba da launi mafi daidaito da cikakke idan aka kwatanta da wasu tsoffin LED ɗin guntu na amber, tare da mafi kyawun juriya ga tuƙin tuƙi da bambance-bambancen zafin jiki. Kunshin PLCC-2 yana ba da daidaito mai kyau tsakanin ƙaramin ƙafa da ingantaccen aikin zafi akan ƙananan fakitoci kamar 0402 ko 0603, saboda babban yankin fakitin zafi.

8. Tambayoyin da ake yawan yi (FAQ)

Q: Menene bambanci tsakanin ainihin juriya na zafi da na lantarki (R_{th JS})?

A: R na lantarki_than lissafta shi daga sigogin lantarki masu hankali na zafin jiki (ƙarfin lantarki na gaba), yayin da ainihin R_thza a iya auna shi tare da na'urar firikwensin jiki. Ƙimar lantarki sau da yawa tana ƙasa; Masu ƙira yakamata su yi amfani da mafi ra'ayin mazan jiya (mafi girma) ainihin R_thƙimar 160 K/W don mafi munin ƙirar zafi.

Q: Zan iya tuka wannan LED a 30mA akai-akai?

A: Yayin da 30mA shine matsakaicin matsakaicin ƙima, ba a ba da shawarar ci gaba da aiki a wannan igiyar ba. Duba lanƙwan rage ƙarfin igiyar gaba. A haɓakar zafin fakitin solder (misali, 80°C), matsakaicin ƙarfin ci gaba da aka yarda yana da ƙasa sosai fiye da 30mA. Ƙira don matsakaicin 20mA ko ƙasa don tabbatar da tsawon rai da dogaro.

Q: Ta yaya zan fassara lambar kwandon ƙarfin haske don yin oda?

A> Lambar sashe 65-11-PA0200H-AM ta ƙayyade takamaiman haɗin kwandon. Don neman wani ƙarfi ko kwandon launi, kuna buƙatar tuntubar bayanin oda ko tuntuɓar mai kaya don takamaiman lambobin suffix waɗanda suka dace da V1, V2, ko sauran kwandon a cikin dangin samfurin.

9: Nazarin Shari'ar Ƙira

Yi la'akari da ƙirar hasken baya don kwamitin maɓalli na tsakiyar mota. Ƙirar tana buƙatar haske iri ɗaya, ƙarancin haske a kan maɓallai da yawa. Ta amfani da wannan LED na amber PLCC-2, faɗin kusurwar kallo na 120° yana taimakawa yada haske daidai a ƙarƙashin mai watsawa. An tsara da'irar direba mai dindindin don samar da 18mA (ƙasa kaɗan da 20mA na yau da kullun) ga kowane LED, yana ba da gefen aminci da rage zafin haɗin gwiwa. Binciken zafi na shimfidar PCB yana tabbatar da cewa zafin fakitin solder ya kasance ƙasa da 85°C a cikin mafi munin zafin yanayi na gida (70°C), yana kiyaye LED a cikin iyakokin igiyar da aka rage. Cancantar AEC-Q102 tana ba da kwarin gwiwa ga ikon ɓangaren na jure girgizar mota da zagayowar zafi.

10. Ka'idar Fasaha da Trends

Ka'ida:Wannan LED ne da aka Canza da Phosphor. Yana yiwuwa yana amfani da shuɗi ko kusa da UV semiconductor mutu. Wani ɓangare na hasken farko yana sha ta hanyar Layer na phosphor na yumbu ko silicone, wanda ke sake fitar da haske a tsayin tsayin daka. Haɗin sauran hasken farko da hasken da aka canza da phosphor yana haifar da launin amber da ake gani. Wannan hanyar sau da yawa tana ba da mafi kyawun daidaiton launi da kwanciyar hankali fiye da amfani da kayan semiconductor amber kai tsaye.

Trends:Kasuwar hasken mota na ci gaba da neman mafi girman dogaro, mafi girman inganci (lumens kowace watt), da ƙananan ƙira. Akwai wani yanayi zuwa ga haɗin kai mafi girma, kamar LED tare da direbobi na ciki ko ICs na sarrafawa. Bugu da ƙari, turawa don tsarin taimakon direba na ci gaba (ADAS) da motoci masu cin gashin kansu suna ƙara yin amfani da LED don aikace-aikacen hankali na ciki (misali, sa ido kan direba), wanda zai iya haifar da buƙatu don takamaiman fitar da bakan ko iyawar daidaitawa. Bin muhalli (RoHS, REACH, maras halogen) ya kasance mai ƙarfi kuma ba za a iya yin shawarwari ba a cikin masana'antu.