LTPL-C034UVD395 UV LED Takardar Bayani - 3.6x3.0x1.6mm - 3.6V - 2W - 395nm Tsawon Zango - Takardar Fasaha ta Hausa

1. Bayanin Samfur

LTPL-C034UVD395 babban ƙarfin hasken ultraviolet (UV) ne mai fitar da haske (LED) wanda aka tsara don aikace-aikacen ƙwararru waɗanda ke buƙatar ingantaccen tushen hasken UV mai ƙarfi. Wannan samfurin yana wakiltar ci gaba mai mahimmanci a fasahar UV, yana haɗuwa da tsawon rayuwar aiki da ƙarfin LED tare da fitar da haske mai ƙarfi wanda ya dace da maye gurbin fasahar fitilun UV na gargajiya.

Babban aikace-aikacen wannan na'urar shine a cikin hanyoyin sarrafa UV, inda daidaitaccen hasken UV ke da mahimmanci don fara halayen photochemical a cikin mannewa, tawada, rufi, da resins. Ingantaccen amfanin makamashi yana haifar da ƙananan farashin aiki idan aka kwatanta da fitilun mercury-vapor ko baka na gargajiya. Bugu da ƙari, kawar da abubuwa masu haɗari kamar mercury da tsawaita rayuwar aiki suna ba da gudummawa ga rage buƙatun kulawa da jimlar farashin mallaka.

Mahimman fa'idodin wannan jerin UV LED sun haɗa da cikakkiyar dacewa da tsarin tuƙi na haɗaɗɗen kewayon (IC), bin umarnin RoHS (Ƙuntata Abubuwa Masu Haɗari) yana tabbatar da cewa ba shi da gubar, da kuma ƙirar sa na ƙaramin ƙirar saman wanda ke ba da 'yancin ƙira mai mahimmanci don haɗawa cikin kayan aikin zamani, ƙananan kayan aiki.

2. Ƙayyadaddun Fasaha da Fassarar Manufa

2.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙididdiga suna ayyana iyakokin damuwa waɗanda za su iya haifar da lalacewa na dindindin ga na'urar. Ba a garantin aiki a ƙarƙashin ko a waɗannan iyakokin ba.

• DC Forward Current (If): 500 mA. Wannan shine matsakaicin matsakaicin ci gaba na yanzu wanda LED zai iya jurewa. Don ingantaccen aiki na dogon lokaci, ana saita yanayin tuƙi na yau da kullun ƙasa, a 350mA.
• Amfani da Wutar Lantarki (Po): 2 W. Wannan ƙimar tana la'akari da ƙarfin lantarki na gaba da ƙarfin lantarki. Wucewa wannan matakin wutar lantarki yana haɗarin zafi mai yawa a mahadar semiconductor.
• Kewayon Zafin Aiki (Topr): -40°C zuwa +85°C. An tsara LED don yin aiki a cikin wannan kewayon zafin yanayi. Ayyuka, musamman fitar da haske, zai bambanta da zafin jiki.
• Kewayon Zafin Ajiya (Tstg): -55°C zuwa +100°C. Ana iya adana na'urar ba tare da amfani da wutar lantarki a cikin waɗannan iyakokin ba.
• Zafin Mahadar (Tj): 110°C. Wannan shine matsakaicin zafin jiki da aka yarda a guntun semiconductor kanta. Gudanar da zafi mai kyau yana da mahimmanci don kiyaye mahadar a ƙasa da wannan iyaka yayin aiki.

Mahimman Bayanin Kula: Takardar bayani ta faɗi a sarari game da yin aiki da LED a ƙarƙashin yanayin karkatar da baya na dogon lokaci, saboda hakan na iya haifar da gazawa nan take ko a ɓoye.

2.2 Halayen Lantarki da Hasken Gani

Ana auna waɗannan sigogi a daidaitaccen yanayin gwaji na Ta=25°C da ƙarfin lantarki na gaba (If) na 350mA, wanda ake ɗauka a matsayin wurin aiki na yau da kullun.

• Ƙarfin Lantarki na Gaba (Vf): 3.6V (Na yau da kullun), tare da kewayon daga 2.8V (Mafi ƙanƙanta) zuwa 4.4V (Mafi girma). Ana magance wannan bambance-bambance ta tsarin binning. Ƙarfin lantarki yana ƙaruwa tare da ƙarfin lantarki kuma yana raguwa kaɗan tare da haɓakar zafin mahadar.
• Radiant Flux (Φe): 580mW (Na yau da kullun), kewayon daga 460mW zuwa 700mW. Wannan shine jimillar ƙarfin haske a cikin bakan UV, wanda aka auna tare da kewayon haɗawa. Shi ne ma'aunin mahimmanci don ingancin aikace-aikace.
• Tsawon Zango Mafi Girma (λp): Tsakiya a 395nm, tare da kwandon daga 390-395nm da 395-400nm. Wannan yana sanya fitarwa a cikin kusancin-UV (UVA) bakan, wanda aka saba amfani dashi a cikin aikace-aikacen sarrafawa da dubawa.
• Kusurwar Dubawa (2θ1/2): 130° (Na yau da kullun). Wannan faɗin katakon haske yana ba da haske mai faɗi, daidai wanda ya dace da sarrafa yanki.
• Juriya na Thermal (Rθjc): 6.4 °C/W (Na yau da kullun). Wannan sigogi yana ayyana yadda zafi ke tafiya yadda ya kamata daga mahadar semiconductor zuwa akwati (jikin fakiti). Ƙananan ƙima yana nuna ingantaccen aikin thermal. Haɗe tare da ɓarnar wutar lantarki, ana amfani da shi don ƙididdige heatsinking da ake buƙata don kiyaye zafin mahadar mai aminci.

3. Bayanin Tsarin Binning

Don tabbatar da daidaito a cikin gudanar da samarwa, ana rarraba LED zuwa kwandon aiki. LTPL-C034UVD395 yana amfani da tsarin binning mai girma uku.

3.1 Binning na Ƙarfin Lantarki na Gaba (Vf)

Ana rarraba LED zuwa kwandon ƙarfin lantarki huɗu (V0 zuwa V3), kowanne yana da faɗin 0.4V. Wannan yana ba masu ƙira damar zaɓar LED masu halayen lantarki iri ɗaya don haɗin kai ko don hasashen buƙatun wutar lantarki daidai. Ana yiwa alamar lambar kwandon akan kayan fakiti na samfur.

3.2 Radiant Flux (Φe) Binning

Ana sanya fitarwa ta gani zuwa nau'i shida (R1 zuwa R6), kowanne yana wakiltar mataki na 40mW a cikin radiant flux. Wannan yana da mahimmanci ga aikace-aikacen da ke buƙatar daidaitaccen ƙarfin UV a cikin LED da yawa ko sakamakon tsari mai daidaito akan lokaci.

3.3 Peak Wavelength (Wp) Binning

Ana rarraba tsawon zango zuwa kwandon biyu masu matsi: P3T (390-395nm) da P3U (395-400nm). Wannan daidaito yana da mahimmanci kamar yadda yawancin masu farawa na hoto a cikin sinadarai na sarrafawa aka kunna su don kunna a takamaiman tsawon zango.

4. Bincike na Lanƙwasa Aiki

4.1 Dangantakar Radiant Flux vs. Forward Current

Wannan lanƙwasa yana nuna cewa fitarwa mai haske yana ƙaruwa da ƙarfi tare da ƙarfin lantarki na gaba. Yayin da tuƙi a manyan ƙarfin lantarki yana haifar da ƙarin ƙarfin UV, shima yana haifar da ƙarin zafi sosai, yana haɓaka raguwar lumen kuma yana iya rage tsawon rayuwa. Matsayin aiki na 350mA yana wakiltar daidaito tsakanin fitarwa da aminci.

4.2 Rarraba Spectral Dangantaka

Makircin bakan yana tabbatar da ƙunƙuntaccen rukunin fitarwa a tsakiya kusa da 395nm, na yau da kullun na LED na tushen gallium nitride. Akwai ƙaramin fitarwa a cikin bakan da ake iya gani, yana mai da shi tushen UV mai tsabta. Cikakken faɗin a rabin matsakaicin (FWHM) na kololuwa yawanci yana da ƙunƙuntacce, yana tabbatar da tsabtar bakan.

4.3 Tsarin Radiation

Zanen polar yana kwatanta kusurwar dubawa na 130°. Rarraba ƙarfi yawanci Lambertian ne ko kusa da Lambertian, ma'ana ƙarfin da ake gani yana da mafi girma lokacin da aka duba kai-da-kai kuma yana raguwa bisa ga cosine na kusurwar dubawa.

4.4 Forward Current vs. Forward Voltage (Lanƙwasa I-V)

Wannan jadawali yana nuna alaƙar alaƙar diode. Ƙarfin lantarki na gaba yana da ƙimar zafin jiki mara kyau; don wani ƙarfin lantarki, Vf yana raguwa yayin da zafin mahadar ya tashi. Dole ne a yi la'akari da wannan a cikin yanayin tuƙi na ƙarfin lantarki na dindindin.

4.5 Dangantakar Radiant Flux vs. Junction Temperature

Wannan ɗaya ne daga cikin mahimman lanƙwasa don ƙirar thermal. Yana nuna cewa fitarwar UV tana raguwa yayin da zafin mahadar ke ƙaruwa. Ingantaccen heatsinking ba kawai game da aminci ba ne; yana da alaƙa kai tsaye da kiyaye aikin gani mai daidaito. Lanƙwasa yana ƙididdige asarar fitarwa a kowace digiri Celsius haɓaka a cikin zafin mahadar.

5. Bayanin Injiniya da Fakiti

5.1 Girman Bayani

Na'urar wani ɓangare ne na hawa saman tare da ƙaramin ƙafa. Mahimman girma sun haɗa da girman jiki kusan 3.6mm x 3.0mm. Tsawan ruwan tabarau da girma na substrate na yumbu suna da ƙuntataccen jurewa (±0.1mm) idan aka kwatanta da sauran girma na jiki (±0.2mm). Fakitin yana da fakitin zafi na tsakiya wanda aka keɓe shi daga anode da cathode, yana ba shi damar haɗawa kai tsaye zuwa wani yanki na tagulla da aka sanya a kan PCB don mafi kyawun ɓarkewar zafi.

5.2 Shawararriyar Tsarin PCB Pad

Takardar bayani tana ba da ƙirar ƙirar ƙasa don fakitin hawa saman da babban fakitin zafi. Bin wannan shawarar yana da mahimmanci don cimma ingantattun haɗin gwiwa, daidaitaccen daidaitawa, da haɓaka mafi girman canja wurin zafi daga fakitin zafi zuwa PCB. Yakamata a haɗa fakitin zafi zuwa babban yanki na tagulla, sau da yawa tare da hanyoyin zafi da yawa zuwa ciki ko ƙananan yadudduka don yada zafi.

6. Jagororin Solder da Haɗawa

6.1 Reflow Solder Profile

An ba da cikakken bayanin zafin jiki-lokaci, wanda ya dace da daidaitattun hanyoyin reflow marasa gubar (Pb-free). Mahimman sigogi sun haɗa da matakin preheat, ƙayyadaddun rampa zuwa matsakaicin zafin jiki (ana ba da shawarar kada a wuce 260°C da aka auna akan jikin fakiti), da takamaiman ƙimar sanyaya. Takardar bayani ta yi gargadin game da sanyaya mai sauri. LED na iya jure matsakaicin zagaye uku na reflow. Ana iya yin solder da hannu amma dole ne a iyakance shi zuwa 300°C na matsakaicin dakika 2 a kowane fakitin.

6.2 Tsaftacewa da Gudanarwa

Idan ana buƙatar tsaftacewa bayan solder, kawai yakamata a yi amfani da kaushi na tushen barasa kamar isopropyl alcohol (IPA). Tsananin ko sinadarai da ba a bayyana ba na iya lalata ruwan tabarau na silicone ko kayan fakiti. Don sarrafa hannu, yakamata a tuntuɓi LED ta gefenta kawai don guje wa damuwa na injiniya akan ruwan tabarau ko haɗin waya. Zaɓin ɓarna shine hanyar da aka fi so don haɗawa ta atomatik.

7. Bayanin Fakiti da Oda

Ana ba da LED akan tef ɗin mai ɗaukar kaya don injunan zaɓe da sanyawa. An ba da girma na tef da ƙayyadaddun reel (reel inci 7 mai riƙe har zuwa 500 guda), suna bin ma'aunin EIA-481-1-B. Ana yiwa alamar lambar rarrabuwar kwandon don Vf, Φe, da Wp akan kowace jakar fakiti, yana ba da damar gano asali da zaɓi.

8. Bayanan Aikace-aikace da La'akari da Ƙira

8.1 Ƙirar Kewayon Tuƙi

LED na'urori ne masu aiki na yanzu. Don aiki mai tsayi da daidaito, ana ba da shawarar tuƙi na yanzu na dindindin sosai. Idan an haɗa LED da yawa a layi daya, kowanne yakamata ya sami nasa resistor mai iyakancewa na yanzu don rama bambance-bambance a cikin ƙarfin lantarki na gaba (Vf binning), don hana cin abinci na yanzu da haske ko fitarwa mara daidaituwa. Takardar bayani ta faɗi a sarari game da amfani da LED a ƙarƙashin karkatar da baya na ci gaba.

8.2 Gudanar da Thermal

Ganin ɓarnar wutar lantarki na 2W da kuma hankalin fitarwa ga zafin mahadar, ƙirar thermal ita ce mafi mahimmanci. Ƙananan juriya na thermal (6.4°C/W) daga mahadar zuwa akwati yana aiki ne kawai idan an haɗa akwatin daidai da heatsink. Wannan ya haɗa da amfani da shawararriyar ƙirar fakitin PCB tare da yanki na tagulla mai yawa da hanyoyin zafi. Don manyan tsararrun ƙarfi, sanyaya mai aiki ko PCB na tushen ƙarfe na iya zama dole.

8.3 La'akari da Muhalli

Bai kamata a yi amfani da na'urar a cikin yanayi mai yawan sulfur (misali, wasu hatimi, mannewa), babban ɗanɗano (sama da 85% RH), danshi mai narkewa, iska mai gishiri, ko iskar gas mai lalata (Cl2, H2S, NH3, SO2, NOx). Waɗannan sharuɗɗan na iya haifar da lalata na gwal ɗin da aka yi wa zinari da sauran kayan fakiti.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tushen UV na gargajiya kamar fitilun mercury, wannan LED yana ba da damar kunna/kashe nan take, babu lokacin dumama, kuma babu kayan haɗari. Yanayinsa na ƙarfe yana sa ya fi jurewa girgiza da rawar jiki. Ƙunƙuntaccen bakan fitarwa yana kaiwa ga takamaiman masu farawa na hoto da inganci, yana iya rage ɓarnar makamashi da kuma ba da damar saurin sarrafawa a cikin ingantattun tsarin. Babban ciniki shine buƙatar ƙarin ƙwarewar gudanar da zafi da sarrafa yanzu idan aka kwatanta da kawai samar da wutar lantarki ga fitila.

10. Tambayoyin da ake yawan yi (Dangane da Sigogi na Fasaha)

Q: Zan iya tuƙi wannan LED a 500mA don matsakaicin fitarwa?

A: Duk da cewa matsakaicin matsakaicin ƙimar shine 500mA, ana ƙayyade halayen lantarki da gani a 350mA. Tuƙi a 500mA zai ƙara haɓaka zafin mahadar sosai, yana haɓaka lalacewa, kuma bazai ba da haɓakar fitarwar UV a layi daya ba saboda raguwar inganci. Ba a ba da shawarar don ci gaba da aiki ba.

Q: Ta yaya zan fassara lambobin kwandon don ƙirata?

A: Don aikace-aikacen da ke buƙatar daidaiton launi ko tsawon zango (misali, sarrafawa), ƙayyade kwandon Wp (P3T ko P3U). Don daidaitaccen ƙarfi a cikin jeri, ƙayyade ƙunƙuntaccen kwandon Radiant Flux (misali, R3-R4). Don haɗin kai ko ƙayyadaddun ƙirar wadata na ƙarfin lantarki, ƙayyade ƙunƙuntaccen kwandon Vf.

Q: Wane heatsink ake buƙata?

A: Wannan ya dogara da ƙarfin aikin ku, zafin yanayi, da buƙatun kula da haske. Ta amfani da juriya na thermal (Rθjc), ɓarnar wutar lantarki (P=I_f*V_f), da kuma manufar zafin mahadar (ƙasa da 110°C sosai), zaku iya ƙididdige juriya na thermal da ake buƙata daga akwati zuwa yanayi (Rθca) kuma zaɓi heatsink da ya dace.

11. Misalin Aikace-aikace na Aiki

Yanayi: Ƙirar ƙaramin tsarin sarrafa tabo na UV.Injiniya ya zaɓi LTPL-C034UVD395 saboda babban fitar da haske a cikin ƙaramin fakiti. Sun ƙera PCB tare da ƙaƙƙarfan aluminum mai kauri 1.5mm don gudanar da zafi. An yi amfani da shawararriyar ƙirar fakitin, tare da fakitin zafi da aka yi wa solder zuwa babban yanki na tagulla da aka fallasa akan PCB na aluminum. An aiwatar da tuƙi na yanzu na dindindin da aka saita zuwa 350mA. An yi amfani da jerin LED 4, kowanne daga kwandon Radiant Flux ɗaya (R4) da kwandon Wavelength (P3U) don tabbatar da daidaitaccen ƙarfin sarrafawa da daidaiton bakan. An sanya ruwan tabarau mai sauƙi a kan jeri don mayar da hankali kan faɗin katakon 130° zuwa wani wuri mai mahimmanci don mafi girman haske a manufa. Tsarin ya cimma saurin sarrafawa, amintacce na takamaiman mannewa da aka kunna don hasken 395nm.

12. Ka'idar Aiki

LTPL-C034UVD395 ya dogara ne akan ilimin kimiyyar lantarki na semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce ƙarfin bandgap na diode, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki na guntun, suna sakin makamashi a cikin nau'in photons. Takamaiman abun da ke ciki (yawanci aluminum gallium nitride, AlGaN) yana ƙayyade ƙarfin bandgap, wanda kuma yana ƙayyade tsawon zango na hasken da aka fitar. A wannan yanayin, an ƙera bandgap don samar da photons a cikin kusancin-ultraviolet bakan kusa da 395 nanometers.

13. Trends na Fasaha

Fagen UV LED yana ci gaba da sauri. Manyan abubuwan da ke faruwa sun haɗa da ci gaba na ci gaba a cikin ingancin bangon toshe (ƙarfin haske / ƙarfin lantarki), wanda ke rage nauyin zafi da amfani da makamashi. Har ila yau, akwai ci gaba da ci gaba don haɓaka ƙarfin fitarwa kowace guntu da faɗaɗa tsawon zango da ake samu zuwa cikin bakan UVC (200-280nm) don aikace-aikacen kashe kwayoyin cuta. Fasahar fakiti tana haɓakawa don sarrafa yawan wutar lantarki mafi girma da inganta aikin thermal. Bugu da ƙari, rage farashi ta hanyar sikelin masana'antu da gyaran tsari yana sa mafita na UV LED su zama masu amfani da tattalin arziki ga kowane nau'in aikace-aikacen da fitilun gargajiya suka mamaye a baya.