LTW-327DSKF-5A LED Mai Launuka Biyu SMD - Duban Gefe - Fari & Orange - 5mA - Takardar Fasaha ta Hausa

1. Bayyana Samfurin

LTW-327DSKF-5A LED ne mai launuka biyu, Surface Mount Device (SMD) mai duban gefe wanda aka tsara da farko don aikace-aikacen da ke buƙatar mafita masu ƙanƙanta na hasken baya, kamar a cikin allunan Nuni na Liquid Crystal (LCD). Wannan ɓangaren ya haɗa guntu biyu daban-daban na semiconductor a cikin fakitin guda ɗaya: guntu InGaN (Indium Gallium Nitride) don fitar da hasken fari da guntu AlInGaP (Aluminum Indium Gallium Phosphide) don fitar da hasken orange. Siffarsa ta kusurwa dama tana ba da damar fitar da haske a layi daya da saman da aka ɗora, wanda ya sa ya dace don hasken gefen nuni na bakin ciki ko samar da ayyukan nuni a cikin mahalli masu ƙunci.

An gina na'urar don dacewa da daidaitattun kayan aikin haɗawa ta atomatik kuma ana samar da ita akan reels na tef 8mm don ingantaccen samarwa mai yawa. Ta bi umarnin RoHS (Ƙuntata Abubuwa Masu Haɗari), tana rarrabe ta azaman samfurin kore. Fakitin ya yi daidai da ƙayyadaddun EIA (Ƙungiyar Masana'antu na Lantarki), yana tabbatar da babban dacewa da sawun ƙafa da matakai na masana'antu.

2. Zurfin Binciken Ƙayyadaddun Fasaha

2.1 Matsakaicin Matsakaicin Matsayi

Aiki da na'urar fiye da waɗannan iyakoki na iya haifar da lalacewa ta dindindin. An ayyana manyan ƙididdiga a yanayin zafin mahalli (Ta) na 25°C daban don guntayen fari da orange.

• Rushewar Wutar Lantarki:Fari: 72 mW, Orange: 75 mW. Wannan ma'auni yana nuna iyakar wutar lantarki da LED zai iya watsawa azaman zafi a ƙarƙashin aiki mai ci gaba.
• Matsakaicin Halin Gaba:Matsakaicin zafin jiki 260°C na dakika 10. Wannan yana ayyana yanayin zafin jiki da ɓangaren zai iya jurewa yayin haɗawa.
• Halin Gaba na DC:20 mA don duka launuka. Wannan shine matsakaicin ƙarfin lantarki na gaba na ci gaba da aka ba da shawarar don dogon aiki mai dogaro.
• Ƙarfin Lantarki na Baya:5 V don duka launuka. Wucewa wannan ƙarfin lantarki a cikin karkatar da baya na iya lalata haɗin PN na LED.
• Kewayon Yanayin Zafin Aiki:-20°C zuwa +80°C. An tabbatar da cewa na'urar za ta yi aiki a cikin wannan kewayon zafin mahalli.
• Kewayon Yanayin Zafin Ajiya:-40°C zuwa +85°C.
• Yanayin Solder na Infrared Reflow:°C peak temperature for 10 seconds. This defines the thermal profile the component can withstand during assembly.

2.2 Halaye na Lantarki & Na Gani

Waɗannan su ne ma'auni na yau da kullun da aka auna a Ta=25°C tare da ƙarfin lantarki na gaba (IF) na 5mA, sai dai idan an faɗi.

• Ƙarfin Hasken Hasken (Iv):Ma'auni na fitowar hasken da aka gane. Ga LED fari, yana kewayo daga mafi ƙanƙanta na 28.0 mcd zuwa matsakaicin 112.0 mcd. Ga LED orange, yana kewayo daga 11.2 mcd zuwa 71.0 mcd. Ainihin ƙimar don takamaiman naúrar an ƙaddara ta ta lambar kwandon shara.
• Kusurwar Dubawa (2θ1/2):Kimanin digiri 130 don duka launuka. Wannan shine cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimar kololuwar sa, yana ayyana yaduwar katako.
• Ƙarfin Lantarki na Gaba (VF):Faɗuwar ƙarfin lantarki a kan LED lokacin aiki. Ƙimar yau da kullun sune 2.85V don fari da 2.00V don orange a 5mA, tare da matsakaicin 3.15V da 2.40V bi da bi.
• Matsakaicin Tsawon Tsawon Tsawon (λP):Ga LED orange, matsakaicin tsayin tsayin tsayi shine 611 nm.
• Matsakaicin Tsawon Tsawon (λd):Ga LED orange, matsakaicin tsayin tsayi shine 605 nm. Wannan shine tsayin tsayi guda ɗaya da idon ɗan adam ya gane don wakiltar launi.
• Haɗin Haɗin Launi (x, y):Ga LED fari, daidaitattun daidaitawa sune x=0.3, y=0.3 akan zanen launi na CIE 1931, wanda ke wakiltar ma'anar fari mai sanyi. Ana amfani da jurewar ±0.01.
• Halin Baya (IR):Matsakaicin ƙarfin lantarki na yoyo shine 10 µA don fari da 100 µA don orange lokacin da aka yi amfani da karkatar da baya na 5V.

3. Bayanin Tsarin Rarrabawa

Don tabbatar da daidaito a cikin samarwa mai yawa, ana rarraba LEDs zuwa kwandon aiki. LTW-327DSKF-5A yana amfani da tsarin rarrabawa mai ma'auni da yawa.

3.1 Rarrabawar LED Fari

• Kwandon Ƙarfin Lantarki na Gaba (VF):Rukuni na LEDs ta hanyar faɗuwar ƙarfin lantarki a 5mA.
  • Kwandon A: 2.55V - 2.75V
  • Kwandon B: 2.75V - 2.95V
  • Kwandon C: 2.95V - 3.15V
  Jurewa akan kowane kwandon shine ±0.1V.
• Kwandon Ƙarfin Hasken Hasken (Iv):Rukuni na LEDs ta hanyar fitar da haske a 5mA.
  • Kwandon N: 28.0 - 45.0 mcd
  • Kwandon P: 45.0 - 71.0 mcd
  • Kwandon Q: 71.0 - 112.0 mcd
  Jurewa shine ±15%.
• Kwandon Hue (Chromaticity):Rukuni na fararen LEDs ta hanyar daidaitattun launukansu akan zanen CIE. Kwandon S1 zuwa S6 suna ayyana takamaiman murabba'ai akan jirgin saman daidaitawa x,y. Jurewa akan kowane daidaitawa (x,y) shine ±0.01. Wannan yana tabbatar da daidaiton launi, wanda yake da mahimmanci ga aikace-aikacen hasken baya.

3.2 Rarrabawar LED Orange

• Kwandon Ƙarfin Hasken Hasken (Iv):
  • Kwandon L: 11.2 - 18.0 mcd
  • Kwandon M: 18.0 - 28.0 mcd
  • Kwandon N: 28.0 - 45.0 mcd
  • Kwandon P: 45.0 - 71.0 mcd
  Jurewa shine ±15%.

Haɗin takamaiman VF, Iv, da kwandon Hue don wani yanki na samarwa yana ayyana cikakken lambar kwandon sa, yana ba masu zane damar zaɓar LEDs tare da daidaitaccen aiki don aikace-aikacensu.

4. Binciken Lanƙwasa Aiki

Yayin da aka ambaci takamaiman bayanan hoto a cikin takardar bayanai (misali, Hoto 1, Hoto 2, Hoto 6), ana iya bayyana alaƙar yau da kullun.

• Lanƙwasa IV (Halitta vs. Ƙarfin Lantarki):Kamar duk diodes, LEDs suna nuna alaƙar da ba ta layi ba. Ƙarfin lantarki na gaba yana ƙaruwa tare da halin yanzu, kuma siffar lanƙwasa ta dogara da zafin jiki. Ƙayyadaddun VF a 5mA yana ba da mahimmin wurin aiki don ƙirar kewaye.
• Ƙarfin Hasken Hasken vs. Halin Yanzu:Fitar haske gabaɗaya yana ƙaruwa tare da halin yanzu na gaba amma ba a layi ba, musamman a manyan halayen da inganci ya faɗi saboda dumama.
• Halayen Zafin Jiki:Ƙarfin haske yawanci yana raguwa yayin da zafin haɗin ya tashi. Kewayon zafin aiki na -20°C zuwa +80°C yana ayyana mahallin da aka kiyaye ƙayyadaddun aiki.
• Rarraba Spectral:Bakan LED fari yana da faɗi, yawanci ana samar da shi ta hanyar guntu InGaN shuɗi mai tada phosphor rawaya. LED Orange AlInGaP yana da ƙaramin bakan da ke kewaye da 605-611 nm.

5. Bayanan Injiniya & Fakitin

Na'urar tana da fakitin duban gefe na kusurwa dama. Manyan bayanan injiniya sun haɗa da:

• Duk girma ana samar da su a cikin milimita, tare da daidaitaccen jurewa na ±0.10 mm sai dai idan an ƙayyade.
• Launin ruwan tabarau shine rawaya.
• Aikin Fil:An sanya Fil A2 zuwa anode InGaN White LED. An sanya Fil A1 zuwa anode AlInGaP Orange LED. Ana iya zama gama gari ne ko an tsara su a ciki; ya kamata a duba zane don ainihin kewaye.
• Takardar bayanai ta haɗa da cikakkun zane-zane masu girma na fakitin LED da kanta, shawarwarin shimfidar ginshiƙan solder akan PCB, da kuma alkiblar solder.
• Hakanan an ƙayyade girman fakitin don tef ɗin mai ɗaukar kaya da reel mai diamita 7-inch, masu mahimmanci don saitin mai ciyarwa a cikin haɗin kai ta atomatik.

6. Jagororin Solder & Haɗawa

6.1 Solder Reflow

Bangaren ya dace da hanyoyin solder reflow na infrared (IR). Matsakaicin yanayin da aka ba da shawarar shine matsakaicin zafin jiki na 260°C na dakika 10. Yana da mahimmanci a bi ingantaccen yanayin zafin jiki tare da matakan dumama, jiƙa, sake kwarara, da sanyaya don hana girgizar zafi da tabbatar da haɗin gwiwar solder.

6.2 Tsaftacewa

Idan tsaftacewa ya zama dole bayan solder, kawai ya kamata a yi amfani da takamaiman sinadarai. Takardar bayanai ta ba da shawarar nutsar da cikin barasa na ethyl ko isopropyl alcohol a yanayin zafi na yau da kullun na ƙasa da minti ɗaya. Sinadarai da ba a ƙayyade ba na iya lalata fakitin LED ko ruwan tabarau.

6.3 Ajiya & Sarrafawa

• Hatsarin ESD (Fitar da Lantarki Mai Tsanani):LEDs suna da hankali ga lantarki. Yi amfani da igiyoyin wuyan hannu, tabarma masu hana tsayayyen lantarki, da kayan aiki masu tushe daidai lokacin sarrafawa.
• Hankalin Danshi:A matsayin ɓangaren da aka ɗora a saman, yana iya ɗaukar danshi. Idan an buɗe ainihin jakar kariya ta danshi mai ɗauke da desiccant, ana ba da shawarar kammala sake kwararar IR a cikin mako guda. Don ajiya mai tsawo daga ainihin jakar, ajiye a cikin akwati mai rufewa tare da desiccant ko a cikin yanayin nitrogen. Abubuwan da aka ajiye daga marufi fiye da mako guda yakamata a gasa su a kusan 60°C na aƙalla sa'o'i 20 kafin solder don hana \"popcorning\" yayin sake kwarara.
• Yanayin Ajiya (An Rufe):≤30°C da ≤90% Danshi Dangane. Rayuwar shiryayye shekara ɗaya ce a cikin jakar da aka rufe.
• Yanayin Ajiya (An Buɗe):≤30°C da ≤60% Danshi Dangane.

7. Bayanan Marufi & Oda

• Daidaitaccen marufi shine tef mai faɗin milimita 8 mai ɗaukar kaya akan reels mai diamita 7-inch (178mm).
• Daidaitaccen adadin reel shine guda 3000.
• Akwai mafi ƙarancin adadin shiryayye na guda 500 don sauran umarni.
• Ƙayyadaddun tef da reel sun yi daidai da ANSI/EIA 481-1-A-1994.
• Ana rufe buɗaɗɗen aljihu a cikin tef tare da tef ɗin murfi.
• Matsakaicin adadin abubuwan da suka ɓace a jere (buɗaɗɗen aljihu) akan reel shine biyu.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikacen Yau da Kullun

• Hasken Baya na LCD:Manufar ƙira ta farko. Siffar duban gefe ta dace daidai don hasken gefen ƙananan LCDs zuwa matsakaita a cikin kayan lantarki na mabukaci, nunin masana'antu, da gungu na mota.
• Masu Nuna Matsayi Biyu:Launuka biyu a cikin fakitin guda ɗaya suna ba da damar nuna matsayi mai ƙanƙanta (misali, kunna wutar lantarki/tsaye, ayyukan cibiyar sadarwa, matsayin caji).
• Hasken Panel na Gaba:Hasken alamomi, maɓallai, ko jagororin haske a cikin allunan sarrafawa.

8.2 Abubuwan Tunani na Ƙira

• Ƙuntatawa na Halin Yanzu:Koyaushe yi amfani da resistor na jerin ko direba mai ci gaba don iyakance halin yanzu na gaba zuwa 20mA DC ko ƙasa da kowace guntu. Lissafa ƙimar resistor ta amfani da R = (Vsupply - VF) / IF.
• Gudanar da Zafin Jiki:Yayin da watsawar wutar lantarki ta yi ƙasa, tabbatar da isasshen yanki na tagulla na PCB ko ramukan zafi na iya taimakawa sarrafa zafin haɗin, musamman a cikin yanayin zafi mai girma ko lokacin tuƙi kusa da matsakaicin halin yanzu.
• Ƙirar Gani:Yi la'akari da kusurwar kallon digiri 130 lokacin ƙirar jagororin haske ko masu watsawa don cimma daidaitaccen haske.
• Kariya ta Ƙarfin Lantarki na Baya:Kauce wa amfani da karkatar da baya. A cikin kewayen da ƙarfin lantarki na baya zai yiwu (misali, haɗin AC, kayan aiki na inductive), yi la'akari da ƙara diode kariya a layi daya da LED.

9. Kwatancen Fasaha & Bambance-bambance

Manyan fasalulluka masu banbanta na wannan ɓangaren suneiyawar launuka biyu a cikin fakitin duban gefe guda ɗayada kuma amfani da takamaiman fasahar guntu da aka inganta don launukansu masu dacewa.

• InGaN don Fari:Wannan tsarin kayan shine ma'auni na masana'antu don ingantattun LEDs shuɗi da fari. Yana ba da ingantaccen inganci da kwanciyar hankali.
• AlInGaP don Orange:Wannan tsarin kayan yana da inganci sosai don samar da hasken ja, orange, da amber, yana ba da mafi girman haske da tsaftar launi idan aka kwatanta da tsofaffin fasahohi kamar GaAsP.
• Haɗin gwiwar yana ba da damar ƙanƙanta, mafita biyu-cikin-ɗaya idan aka kwatanta da amfani da LEDs masu launi guda ɗaya daban-daban, yana adana sararin PCB da sauƙaƙa haɗawa.
• Siffar kusurwa dama fa'ida ce ta musamman akan LEDs na duban sama don aikace-aikacen hasken gefe.

10. Tambayoyin da ake yawan yi (Dangane da Ma'auni na Fasaha)

Q: Shin zan iya tuƙi duka guntayen LED a lokaci guda a matsakaicin halin DC na 20mA kowanne?

A: Ee, amma dole ne ku yi la'akari da jimillar watsawar wutar lantarki da abubuwan da suka shafi zafin jiki. Haɗin wutar lantarki zai zama mahimmanci ga ƙaramin fakitin. Don aiki mai ci gaba, yawanci ana ba da shawarar tuƙa su a ƙananan halayen (misali, 5-10mA) don tabbatar da dogaro da tsawon rai, musamman a cikin yanayin zafi mai girma.

Q: Menene bambanci tsakanin Matsakaicin Tsawon Tsawon da Matsakaicin Tsawon Tsawon?

A: Matsakaicin Tsawon Tsawon (λP) shine tsayin tsayi wanda rarraba ikon bakan ya fi girma. Matsakaicin Tsawon Tsawon (λd) shine tsayin tsayi guda ɗaya na hasken monochromatic wanda ya dace da launin da aka gane na LED idan aka kwatanta da hasken fari na tunani. Ga LEDs masu faɗin bakan (kamar fari da aka canza phosphor), λd yana da ma'ana fiye don ƙayyadaddun launi. Ga LEDs masu launi ɗaya (kamar orange a nan), λP da λd sau da yawa suna kusa.

Q: Me ya sa ƙayyadaddun halin baya na LED orange (100 µA) ya ninka sau goma fiye da na LED fari (10 µA)?

A> Wannan wata halitta ce ta daban-daban kayan semiconductor (AlInGaP vs. InGaN) da kuma ƙayyadaddun bandgaps da kaddarorin haɗin gwiwa. Yana nuna mahimmancin guje wa karkatar da baya, domin ko da ƙaramin ƙarfin lantarki na baya zai iya haifar da gagarumin yoyo a cikin LED orange.

Q: Ta yaya zan fassara daidaitattun kwandon Hue (S1-S6)?

A> Kowane kwandon (S1, S2, da sauransu) yana ayyana ƙaramin yanki na murabba'ai akan zanen launi na CIE 1931. Ana gwada LEDs, kuma ana rarraba daidaitattun da aka auna (x,y) zuwa waɗannan wuraren da aka ƙayyade a baya. Zaɓin LEDs daga kwandon Hue ɗaya yana tabbatar da cewa za su sami maki farin launi kusan iri ɗaya, wanda ke da mahimmanci ga aikace-aikacen da ke buƙatar daidaitaccen hasken baya na fari ba tare da bambancin launi da ake iya gani ba.

11: Nazarin Shari'ar Ƙira

Yanayi: Ƙirar mai nuna matsayi don na'urar likita mai ɗaukuwa.

Na'urar tana buƙatar mai nuni guda ɗaya, mai ƙanƙanta don nuna jihohi biyu: \"Shirye/Kunna\" (Fari) da \"Baturi Ƙasa/Faɗakarwa\" (Orange). Sarari akan PCB yana da iyaka sosai.

Mafita:LTW-327DSKF-5A zaɓi ne mai kyau. Iyawar sa mai launuka biyu ta maye gurbin LEDs daban-daban guda biyu. Fakitin duban gefe yana ba shi damar ɗora shi a gefen PCB, tare da haskensa ta hanyar ƙaramin bututun haske zuwa alamar panel na gaba. Mai zane ya zaɓi LEDs daga takamaiman kwandon Iv (misali, P don orange, Q don fari) don tabbatar da daidaiton haske. Suna tuƙi kowane guntu a 10mA ta hanyar fil ɗin GPIO na microcontroller tare da resistors na jerin, suna ba da isasshen haske yayin kiyaye amfani da wutar lantarki da zafi ƙasa. Matsakaicin rarrabawar Hue don fari yana tabbatar da cewa hasken \"Shirye\" yana da daidaitaccen siffa, ƙwararru a duk raka'o'in.

12. Gabatarwar Ƙa'idar Aiki

LED diode ne na semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce ƙarfin bandgap sa, electrons da ramuka suna sake haɗuwa a haɗin PN, suna sakin makamashi a cikin nau'in photons (haske). Launin hasken an ƙaddara shi ta hanyar bandgap na makamashi na kayan semiconductor.

• InGaN White LED:Yawanci, guntu InGaN mai fitar da shuɗi an lulluɓe shi da phosphor rawaya. Wasu hasken shuɗi suna tserewa, sauran kuma suna tada phosphor don fitar da hasken rawaya. Haɗin hasken shuɗi da rawaya idon ɗan adam yana ganin shi azaman fari.
• AlInGaP Orange LED:Abubuwan Aluminum, Indium, Gallium, da Phosphide an haɗa su cikin takamaiman ma'auni don ƙirƙirar semiconductor tare da bandgap daidai da hasken orange/ja. Lokacin da halin yanzu ya gudana, yana fitar da photons kai tsaye a cikin kewayon tsayin orange (~605-611 nm).

13. Trends na Fasaha

Fannin optoelectronics yana motsa shi ne ta hanyar buƙatun mafi girman inganci, ƙaramin girman, mafi kyawun launi, da ƙaramin farashi.

• Inganci (Ingancin Hasken Hasken):Bincike mai gudana yana mai da hankali kan inganta ingancin ƙididdiga na ciki (ƙarin photons da aka samar a kowane electron) da ingancin cire haske (samun ƙarin photons daga guntu).
• Ingancin Launi:Ga fararen LEDs, akwai yanayin zuwa mafi girman ƙimar Fihirisar Fitar da Launi (CRI), musamman a cikin aikace-aikacen da daidaitaccen fahimtar launi ke da mahimmanci (misali, hasken dillali, daukar hoto). Wannan ya haɗa da haɓaka mafi haɗakar gauran phosphor.
• Ƙananan Girma:Fakitin yana ci gaba da raguwa (misali, daga 0603 zuwa 0402 zuwa girman awo na 0201) yayin kiyayewa ko inganta fitowar haske, yana ba da damar na'urori masu bakin ciki.
• Mafita Masu Haɗaka:Yanayin haɗa ayyuka da yawa (kamar wannan LED mai launuka biyu) ko haɗa direbobi da kewayen sarrafawa kai tsaye tare da guntu LED (\"LEDs masu hankali\") yana ci gaba da girma, yana sauƙaƙa ƙirar samfurin ƙarshe.