Bayanin LED na Infrared RE30A0-IPX-FR - 3.0x3.0x2.53mm - 1.5V - 0.85W - 950nm - Takardar Fasaha ta Hausa

1. Duba na Samfur

Wannan takarda ta bayyana cikakken bayanin LED na infrared (IR) mai ƙarfi wanda aka tsara don aikace-aikace masu buƙatar haske mai aminci, wanda ba a iya gani. Na'urar tana amfani da kunshin Epoxy Molding Compound (EMC), wanda ke ba da ingantaccen aikin zafi da dogon lokaci na aminci idan aka kwatanta da kunshin filastik na gargajiya. Babban fitowar sa yana cikin kewayon tsawon raƙuman 950nm, wanda ya sa ya dace da amfani da na'urori masu daukar hoto na CCD da CMOS waɗanda ke da hankali a cikin kewayon infrared na kusa.

Babban fa'idar wannan samfurin yana cikin haɗuwar kunshin EMC mai ƙarfi, tsayin raƙuman da aka inganta don na'urori masu daukar hoto na gama gari, da tsarin da aka mai da hankali kan fasahar haɗawa ta saman (SMT). An tsara shi don aikace-aikace inda aikin da ya dace, juriya ga abubuwan muhalli, da kuma kawar da zafi mai inganci suke da muhimmanci.

Kasuwar da aka yi niyya don wannan LED ita ce masana'antar tsaro da sa ido, inda ake amfani da ita a cikin kyamarorin hangen dare da masu haskaka infrared. Hakanan ya dace da tsarin hangen nesa na inji, sarrafa masana'antu, da sauran aikace-aikacen ji waɗanda ke buƙatar hasken infrared da aka sarrafa.

2. Bincike Mai zurfi na Sigogi na Fasaha

2.1 Halaye na Lantarki & na Gani

Ana siffanta aikin na'urar a ƙarƙashin daidaitattun yanayin gwaji (Ts=25°C). Maɓallan sigogi suna ayyana iyakokin aikinta da fitarwa da ake tsammani.

• Ƙarfin Wutar Gaba (V_F): A yawan yanayin kwararar 500mA, ƙarfin wutar gaba shine 1.5V (mafi ƙanƙanta: 1.4V). Wannan ƙaramin ƙarfin wutar yana ba da gudummawa ga ingantaccen tsarin ta hanyar rage asarar wutar a kan LED kanta.
• Tsayin Raƙuman Kololuwa (λ_p): Babban tsayin raƙuman fitarwa shine 950nm (mafi ƙanƙanta: 942nm). Wannan tsayin raƙuman ba a iya ganinsa ga idon ɗan adam amma yana cikin babban kewayon hankali na na'urori masu daukar hoto na silicon, yana ba da haske mai inganci ba tare da haifar da jajayen haske mai gani ("jajayen yabo").
• Jimlar Ƙarfin Hasken Radiant (Φ_e): Jimlar ƙarfin hasken fitarwa shine 224mW (mafi ƙanƙanta: 140mW) lokacin da aka tuƙa shi da 500mA. Wannan sigogi yana da mahimmanci don tantance ƙarfin haskakawa da yankin ɗaukar hoto na tushen IR.
• Kusurwar Dubawa (2θ_1/2): Rabin kusurwar ƙarfi shine digiri 120, yana ba da faɗin filin haskakawa wanda ya dace da ɗaukar hoto na yanki na gabaɗaya a cikin aikace-aikacen sa ido.
• Juriya na Zafi (R_THJ-S): Juriya na zafi daga haɗin gwiwa zuwa wurin gyaɗa shine 14°C/W. Wannan ƙimar yana da mahimmanci don ƙirar sarrafa zafi, saboda yana ƙayyade yadda zafin haɗin gwiwa zai tashi don adadin wutar da aka watsar.
• Kwararar Koma Baya (I_R): Tare da ƙarfin wutar koma baya na 5V, ƙarfin ɗigon ya kai iyakar 10µA.

2.2 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙimar suna ayyana iyakokin damuwa waɗanda sama da su lalacewar dindindin na na'urar na iya faruwa. Ba a ba da garantin aiki a waje da waɗannan iyakokin ba.

• Watsar da Wutar Lantarki (P_D): 0.85W. Jimlar wutar lantarki da aka canza zuwa zafi da haske ba dole ba ne ta wuce wannan ƙimar.
• Kwararar Gaba (I_F): 500mA (DC).
• Ƙarfin Wutar Koma Baya (V_R): 5V.
• Zubar da Wutar Lantarki ta Electrostatic (ESD): 2000V (Samfurin Jikin Mutum). Dole ne a bi hanyoyin sarrafa ESD da suka dace.
• Zafin Aiki (T_OPR): -40°C zuwa +85°C.
• Zafin Ajiya (T_STG): -40°C zuwa +100°C.
• Zafin Haɗin gwiwa (T_J): 95°C (matsakaici). Wannan shine mafi mahimmancin iyakar zafin jiki don tsawon rayuwar LED.

3. Bayanin Tsarin Binning

Samfurin yana amfani da tsarin binning don maɓallan sigogi don tabbatar da daidaito a cikin rukunin samarwa kuma ya ba da damar zaɓi daidai bisa ga buƙatun aikace-aikace. Babban sigogi da aka yi binning su ne Ƙarfin Wutar Gaba (V_F) da Jimlar Ƙarfin Hasken Radiant (Φ_e), dukansu ana auna su a I_F= 500mA.

Wannan binning yana ba masu ƙira damar zaɓar LEDs tare da ƙungiyoyin halaye na lantarki da na gani masu matsi, wanda ke da mahimmanci ga aikace-aikacen da ke buƙatar daidaitaccen haskakawa ko takamaiman sigogin da'irar tuƙi. Bayanin da aka bayar ya lissafa ƙimomin na yau da kullun; don takamaiman lambobin bin da kewayon su, tuntuɓi cikakken takaddun binning na masana'anta.

4. Bincike na Lanƙwasa Aiki

Lanƙwasan halaye suna ba da haske game da halayen na'urar a ƙarƙashin yanayi daban-daban.

• Ƙarfin Wutar Gaba da Kwararar Gaba (Lanƙwasa IV): Wannan lanƙwasa yana nuna alaƙar da ba ta layi tsakanin ƙarfin wutar lantarki da kwarara. Yana da mahimmanci don ƙirar da'irar tuƙi (misali, direban kwarara akai) don tabbatar da aiki mai ƙarfi.
• Kwararar Gaba da Ƙarfin Dangi: Wannan lanƙwasa yana nuna dogaron fitarwa na gani akan kwararar tuƙi. Yawanci yana nuna alaƙar ƙasa da layi a manyan kwarara saboda raguwar inganci da tasirin zafi.
• Zafin Akwati da Ƙarfin Dangi: Wannan jadawalin yana kwatanta tasirin kashe zafi. Yayin da zafin akwatin LED ya karu, fitowar sa ta gani gabaɗaya tana raguwa. Ingantaccen nutsewar zafi yana da mahimmanci don kiyaye fitar da haske mai daidaito.
• Rarraba Spectral: Makircin bakan yana tabbatar da fitarwa mai kololuwa a 950nm kuma yana nuna faɗin bakan (yawanci 40nm FWHM). Ƙunƙuntaccen bakan na iya zama da amfani ga aikace-aikacen da ke buƙatar takamaiman tace tsayin raƙuman.

5. Bayanin Injiniya & Kunshi

5.1 Girman Kunshi

Ana ajiye na'urar a cikin kunshin da za'a haɗa a saman tare da girma na 3.00mm (Tsawon) x 3.00mm (Faɗi) x 2.53mm (Tsayi). Ƙirar ƙafar da tsarin gyaɗa an tsara su don daidaitattun hanyoyin haɗawa na SMT. Duk ƙimar girma shine ±0.2mm sai dai idan an faɗi.

5.2 Gano Polarity & Ƙirar Gyaɗa

An ba da alamar polarity bayyananne a saman kunshin don hana sanya ba daidai ba yayin haɗawa. An ba da tsarin gyaɗa da aka ba da shawarar (tsarin ƙasa) don tabbatar da samuwar haɗin gyaɗa mai aminci da ingantaccen haɗin zafi zuwa allon da'ira (PCB). Bin wannan ƙafar da aka ba da shawarar yana da mahimmanci don kwanciyar hankali na injiniya da ingantaccen canja wurin zafi daga haɗin gwiwar LED zuwa PCB.

6. Jagororin Gyaɗa & Haɗawa

6.1 Gyaɗa SMT Reflow

Samfurin ya dace da hanyoyin gyaɗa reflow marasa gubar (Pb-free). An rarraba shi azaman Matakin Hankali na Danshi (MSL) 3. Wannan yana nufin ana iya fallasa na'urar zuwa yanayin bene na masana'anta har zuwa sa'o'i 168 (kwanaki 7) kafin gyaɗa reflow ba tare da buƙatar gasa ba. Idan an wuce lokacin fallasa, dole ne a gasa na'urorin bisa ga daidaitattun jagororin IPC/JEDEC J-STD-033 don cire danshin da aka sha kuma a hana "popcorning" (fashewar kunshi) yayin aikin reflow mai zafi.

Ya kamata a haɓaka takamaiman sigogin bayanin martaba na reflow (dumi-dumi, jiƙa, zafin kololuwa na reflow, lokacin sama da ruwa) bisa ga man gyaɗa da aka yi amfani da shi da buƙatun haɗawa na allon gabaɗaya, tare da tabbatar da cewa babban zafin jikin kunshi bai wuce matsakaicin matsakaicin ba.

6.2 Kula da Sarrafa & Ajiya

• Koyaushe ku bi hanyoyin sarrafa aminci na ESD (Zubar da Wutar Lantarki ta Electrostatic). Yi amfani da tashoshi na ƙasa da takalman wuyan hannu.
• Ajiye a cikin yanayi mai bushewa, mai sarrafawa a cikin kewayon zafin ajiya da aka ƙayyade.
• Ku bi buƙatun sarrafa MSL 3 don guje wa lalacewar da danshi ya haifar yayin reflow.
• Ku guji damuwa na injiniya akan ruwan tabarau ko jikin kunshi.
• Yayin aiki, tabbatar da cewa babban zafin haɗin gwiwa (T_J) ba a wuce shi ta hanyar aiwatar da isasshen sarrafa zafi, kamar amfani da PCB tare da ramukan zafi ko heatsink na waje.

7. Bayanin Kunshi & Oda

Ana ba da LEDs a cikin kunshin daidaitaccen masana'antu don haɗawa ta atomatik.

• Kaset ɗin Mai ɗauka: Ana sanya na'urori a cikin kaset ɗin mai ɗauka da aka zana don kariya da sarrafa ta injunan zaɓi da sanyawa. An ƙayyade girman tef (girman aljihu, tsalle).
• Reel: Ana jujjuya kaset ɗin mai �auka akan reel. An ba da girman reel (diamita, faɗi, girman cibiya).
• Jakar Kariya daga Danshi: Ana kunna reels a cikin jakunkuna masu hana danshi tare da katin nuna danshi don kare na'urorin MSL 3 yayin ajiya da jigilar kaya.
• Lakabi: Reel da akwati sun haɗa da lakabi tare da bayanin samfur, adadi, lambar kuri'a, da sauran bayanan gano kamar yadda aka ƙayyade.

Lambar sashi "RE30A0-IPX-FR" tana bin al'adar suna na ciki na masana'anta, yawanci tana ɓoye bayani game da nau'in kunshi, fasahar guntu, tsayin raƙuman, da kwandon aiki.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

• Masu Haskaka IR na Kyamarar Sa ido: Bayar da hasken dare wanda ba a iya gani ga kyamarorin tsaro. Tsayin raƙuman 950nm ya dace sosai saboda yana bayyan hangen nesa na ɗan adam amma yana cikin hankalin kyamara.
• Hasken Hangen Nesa na Injin: Ana amfani da shi don dubawa, rarrabawa, ko tsarin jagora inda hasken IR da aka sarrafa zai iya haɓaka bambanci ko kawar da tsangwama na hasken gani na yanayi.
• Na'urori masu auna masana'antu: Ji na kusa, gano abu, da na'urori masu ɓoye haske.

8.2 Abubuwan da ake la'akari da ƙira

• Sarrafa Zafi: Wannan shine mafi mahimmanci. Tare da watsar wutar lantarki har zuwa 0.85W da juriya na zafi na 14°C/W, hawan zafi na iya zama mai mahimmanci. Yi amfani da PCB tare da isasshen yanki na tagulla (gyaɗa na zafi), ramukan zafi a ƙarƙashin kunshi, da yuwuwar heatsink na waje don kiyaye zafin haɗin gwiwa a ƙasa da 95°C don matsakaicin aminci da kwanciyar hankali na fitar da haske.
• Da'irar Tuƙi: Yi amfani da direban kwarara akai, ba tushen ƙarfin wutar lantarki akai ba, don tabbatar da ingantaccen fitarwa na gani da hana guduwar zafi. Direban ya kamata ya kasance mai ƙima aƙalla 500mA. Yi la'akari da aiwatar da Pulse-width modulation (PWM) don sarrafa duhu idan an buƙata.
• Ƙirar Gani: Kusurwar dubawa na digiri 120 tana ba da ɗaukar hoto mai faɗi. Don tsawo mai tsawo ko takamaiman tsarin katako, ana iya buƙatar na'urori na gani na biyu (ruwan tabarau).
• Kariya ta ESD: Haɗa diodes na murƙushe ƙarfin wutar lantarki na wucin gadi (TVS) ko wasu da'irorin kariya akan shigarwar PCB idan yanayin haɗawa ko amfani na ƙarshe ya haifar da haɗarin ESD.

9. Kwatancen Fasaha & Bambance-bambance

Babban abubuwan da suka bambanta na wannan LED sune kunshin EMC da tsayin raƙuman 950nm.

• EMC da Filastik na Yau da Kullun (PPA/PCT): Kunshin EMC yana ba da mafi girman juriya ga zafi da danshi, wanda ke haifar da ingantaccen aminci na dogon lokaci (kula da lumen) da juriya ga sulfurization, wanda zai iya duhun ruwan tabarau na filastik na yau da kullun bayan lokaci. Wannan ya sa su dace da munanan yanayi na waje ko na masana'antu.
• 950nm da 850nm: Yayin da LEDs na 850nm suka fi yawa kuma galibi suna da ingantaccen inganci na radiant, suna fitar da jajayen haske mai duhu da ake gani a cikin duhu. Tsayin raƙuman 950nm ba a iya ganinsa gaba ɗaya, wanda ya sa ya fi dacewa ga aikace-aikacen sa ido na ɓoye. Koyaya, hankalin kyamara gabaɗaya yana da ƙasa a 950nm fiye da 850nm, wanda zai iya buƙatar ƙarin ƙarfi ko kyamarori masu hankali.

10. Tambayoyin da ake yawan yi (FAQs)

10.1 Me yasa ƙarfin wutar gaba yake da ƙasa sosai (1.5V)?

LEDs na infrared, musamman waɗanda suka dogara da wasu kayan semiconductor kamar GaAlAs, a asali suna da ƙaramin ƙarfin wutar gaba fiye da LEDs na hasken gani (waɗanda galibi suna kusa da 3.0V don fari/shudi). Wannan saboda ƙaramin ƙarfin bandgap na kayan semiconductor da ake amfani da su don samar da hasken infrared.

10.2 Ta yaya zan sarrafa haske?

Hasken (ƙarfin hasken radiant) ana sarrafa shi da farko ta hanyar kwararar gaba (I_F). Hanya mafi kwanciyar hankali kuma aka ba da shawarar ita ce amfani da direban kwarara akai da daidaita saitin kwararar sa. Don sarrafa ƙarfi, PWM dimming na tushen kwarara akai yana da tasiri kuma yana guje wa canjin launi.

10.3 Me ake nufi da "free of red"?

"Free of red" ko "no red leak" yana nuna cewa LED yana fitar da ɗan ƙaramin hasken jajaye mai gani (kusan 650-700nm). LED mai tsafta na 950nm ya kamata ya bayyana duhu gaba ɗaya idan aka duba shi kai tsaye, wanda shine muhimmin siffa don haskaka ɓoye.

10.4 Yaya mahimmanci ƙimar MSL 3?

Mahimmanci sosai ga yawan amfanin haɗawa. Idan na'urorin sun sha yawan danshi daga iska sannan kuma an yi musu babban zafin gyaɗa reflow, saurin ƙafewar danshi zai iya haifar da ɓarkewar ciki ko fashewa ("popcorning"). Koyaushe ku bi umarnin sarrafa da suka shafi ƙimar MSL.

11. Nazarin Shari'ar Ƙira mai Amfani

Yanayi: Ƙirar mai haskaka IR mai ƙanƙanta don kyamarar tsaro ta waje.

1. Bukatu: Bayar da daidaitaccen haskakawa akan filin dubawa na kwance na digiri 90 a nisan mita 15. Dole ne mai haskawa ya kasance maras ruwa kuma yana da tsawon rayuwa na shekaru da yawa.
2. Zaɓin LED: An zaɓi wannan LED mai kunshin EMC na 950nm saboda fitarwa mara ganuwa, faɗin kusurwar dubawa (120°), da ƙaƙƙarfan kunshi wanda ya dace da amfani na waje.
3. Ƙirar Zafi: Ana amfani da PCB na Layer 2 na FR4 tare da babban zubar da tagulla na saman da aka haɗa zuwa gyaɗa na zafi na LED. Jerin ramukan zafi suna canja wurin zafi zuwa jirgin tagulla na ƙasa, wanda ke aiki azaman heatsink. Ana gudanar da kwaikwayon zafi don tabbatar da T_J <85°C a ƙarƙashin mafi munin yanayin yanayi.
4. Ƙirar Lantarki: An zaɓi IC na direban LED mai canzawa na kwarara akai, wanda aka saita don isar da 450mA (an ɗan rage ƙimar daga 500mA don ƙarin aminci). An ba da shigarwar PWM don tsarin kyamara don daidaitawa ko duhun LEDs na IR.
5. Ƙirar Gani/Injiniya: Ana shirya LEDs da yawa a cikin jeri. Ana sanya ruwan tabarau mai watsawa a kan jeri don haɗa katako ɗaya ɗaya kuma a cimma tsarin digiri 90 da ake so. An rufe gidan tare da gasket mai ƙimar IP67.

12. Gabatarwar Ka'idar Fasaha

Wannan LED na'urar semiconductor ce wacce ke fitar da haske ta hanyar electroluminescence. Lokacin da aka yi amfani da ƙarfin wutar gaba a kan haɗin gwiwar p-n, ana shigar da electrons da ramuka cikin yankin aiki inda suke sake haɗuwa. Makamashin da aka saki yayin wannan sake haɗuwa ana fitar da shi azaman photons (haske). Tsayin raƙuman hasken da aka fitar ana ƙaddara shi ta hanyar ƙarfin bandgap na kayan semiconductor da aka yi amfani da su a cikin yankin aiki. Don fitarwa na 950nm, yawanci ana amfani da kayan daga dangin Gallium Aluminum Arsenide (GaAlAs). Kunshin EMC yana ɗauke da guntun semiconductor, yana ba da kariya ta injiniya, yana ɗauke da ruwan tabarau na farko wanda ke siffata katako, kuma ya haɗa da leadframe wanda ke aiki duka biyun haɗin lantarki da kuma hanyar farko don kawar da zafi daga guntu.

13. Trends & Ci gaban Masana'antu

Kasuwannin LED na infrared ana motsa su ta hanyar karuwar buƙatu a cikin tsaro, mota (LiDAR, sa ido kan direba), da na'urorin lantarki na masu amfani (gane fuska). Manyan abubuwan da suka faru sun haɗa da:

• Mafi Girman Ƙarfi & Ingantacciya: Ci gaba da haɓaka fasahar guntu da kunshi don isar da ƙarin ƙarfin hasken radiant a kowace yanki na yanki (W/mm²) da ingantaccen inganci na bangon toshe (ƙarfin haske fitarwa / wutar lantarki a ciki).
• Ingantaccen Kunshi: Karɓar kunshin ma'aunin guntu (CSP), ƙira na jujjuya guntu, da ingantattun musaya na zafi don sarrafa zafi daga na'urori masu ƙarfi.
• Tsayin Raƙuman Yawa & VCSELs: Girman Lasers na Fitowa ta Saman (VCSELs) don haske mai tsari da aikace-aikacen lokacin jirgin, suna ba da halayen katako daban-daban idan aka kwatanta da guntun LED na gefe na gargajiya.
• Haɗawa: Ƙaura zuwa ga ƙungiyoyin haɗe-haɗe waɗanda ke haɗa LED, direba, na'urori na gani, da wani lokacin mai aunawa cikin naúrar ƙanƙanta guda ɗaya, yana sauƙaƙa ƙira ga masu amfani na ƙarshe.