Takardar Bayanan Fasaha na SMD Top View LED 67-21 - Kunshin P-LCC-2 - 2.5-3.5V - 90mW - Kore Mai Haske - Takardar Fasaha ta Turanci

1. Bayyani Game da Samfur

Jerin 67-21 suna wakiltar iyali na manyan ayyuka, SMD Top View LEDs waɗanda aka ƙera don aikace-aikacen lantarki na zamani waɗanda ke buƙatar ingantattun hanyoyin nuni masu ƙarancin wutar lantarki. Waɗannan LEDs suna cikin ƙaramin kunshin P-LCC-2 (Plastic Leaded Chip Carrier) tare da taga mai tsabta mara launi, suna ba da launin kore mai haske wanda aka samu ta hanyar fasahar AlGaInP chip. Babban falsafar ƙira ta ta'allaka ne akan samar da faɗin kusurwar kallo da ingantaccen fitar da haske, wanda ya sa su dace musamman don aikace-aikace inda ganin daga kusurwoyi daban-daban ke da mahimmanci.

Babban fa'idar wannan jerin yana cikin haɗin aikin gani da dacewar masana'antu. Ƙirar kunshin ta ƙunshi mai juyawa wanda ke haɓaka ingancin haɗin haske, yana jagorantar ƙarin haske ta saman kayan. Wannan fasalin, tare da ƙarancin buƙatar halin yanzu na gaba, ya sa waɗannan LEDs su zama manufa don aikace-aikacen masu hankali ga wutar lantarki kamar na'urorin lantarki masu ɗauka, cikin motoci, da kayan aikin sadarwa. Na'urar tana cikakkiyar dacewa da daidaitattun kayan aikin sarrafa kai da tsarin gama gari na soldering, gami da sake karkatar da tururi, sake karkatar da infrared, da soldering wave, yana sauƙaƙe samarwa mai yawa.

Kasuwar da aka yi niyya tana da faɗi, ta ƙunshi lantarkin motoci don hasken dashboard da kuma canza hasken baya, na'urorin sadarwa don alamomin matsayi, gabaɗayan kwamfutocin sarrafa masana'antu, da na'urorin lantarki na mabukaci. Dacewarsa don aikace-aikacen bututun haske shine babban abin banbanta, yana ba masu ƙira damar jagorantar haske daga LED zuwa wurin da ake so a kan allon gaba ko nuni.

2. Bincike Mai zurfi na Sigogi na Fasaha

Wannan sashe yana ba da cikakken fassarar ma'auni na ma'auni na lantarki, na gani, da na zafi da aka ƙayyade a cikin takardar bayanai, wanda ke da mahimmanci don ingantaccen ƙirar da'ira da tabbatar da amincin aiki.

2.1 Matsakaicin Matsakaicin Matsayi

Matsakaicin Matsakaicin Matsayi yana ayyana iyakokin damuwa waɗanda sama da su za su iya haifar da lalacewa na dindindin ga LED. Waɗannan ba yanayin aiki ba ne.

• Ƙarfin Wutar Juyawa (VR): 5V- Yin amfani da juzu'in juyawa wanda ya wuce 5V na iya lalata haɗin semiconductor na LED. Takardar bayanai ta bayyana a sarari cewa ba a yi tsammanin a yi amfani da sassan LED a juyawa ba, yana mai da hankali kan mahimmancin daidaitaccen polarity a cikin ƙirar da'ira.
• Halin Yanzu na Gaba (IF): 25mA- Wannan shine matsakaicin ci gaba na DC wanda za'a iya amfani da shi ga LED. Wucewa wannan ƙimar zai haifar da zafi mai yawa, yana haifar da raguwar lumen da sauri da yuwuwar gazawa mai ban tsoro.
• Kololuwar Halin Yanzu na Gaba (IFP): 50mA- Ƙimar halin yanzu mai bugun jini (a cikin zagayowar aiki na 1/10 da mitar 1kHz). Wannan yana ba da damar ɗan gajeren lokaci na ƙarin haske amma dole ne a sarrafa shi tare da kulawa mai mahimmanci na thermal.
• Rushewar Wutar Lantarki (Pd): 90mW- Matsakaicin adadin wutar lantarki da kunshin zai iya watsawa azaman zafi a yanayin yanayi (Ta) na 25°C. Wannan ƙimar tana raguwa tare da haɓakar yanayin yanayi.
• Yanayin Aiki & Ajiya:Na'urar tana da ƙima don aiki daga -40°C zuwa +85°C kuma ana iya adana ta daga -40°C zuwa +90°C, yana nuna ƙarfi don yanayi mai tsanani.
• ESD (HBM): 2000V- Ƙimar fitar da wutar lantarki ta Model na Jiki. Duk da yake 2000V matakin daidaitacce ne, har yanzu dole ne a bi hanyoyin sarrafa ESD yayin haɗawa don hana lahani na ɓoye.
• Zafin Soldering:Ya ƙayyade bayanan martaba don sake karkatarwa (260°C na 10 sec) da soldering hannu (350°C na 3 sec). Yin bin waɗannan iyakoki yana da mahimmanci don hana fashewar kunshin ko lalacewar igiyar haɗin ciki.

2.2 Halayen Lantarki-Gani

Ana auna waɗannan sigogi a ƙarƙashin daidaitattun yanayin gwaji (Ta=25°C, IF=10mA) kuma suna ayyana aikin na'urar.

• Ƙarfin Hasken Hasken (Iv): 225 zuwa 565 mcd (ƙarami zuwa babba)- Wannan shine aunannen fitar da haske a takamaiman shugabanci. Faɗin kewayon yana nuna ana amfani da tsarin binning (daki-daki daga baya). A yawanci 10mA tuƙi, fitarwa yana da girma don dalilai na nuni.
• Kusurwar Kallo (2θ1/2): 120° (na al'ada)- Wannan shine cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimar kololuwar sa. Kusurwar 120° tana da faɗi sosai, yana tabbatar da kyakkyawan ganin kashe-axis, wanda shine siffa ta "Top View" LEDs.
• Matsakaicin Tsawon Tsawon Tsawon (λp): 518 nm (na al'ada)- Tsawon tsawon lokacin da aka rarraba ikon bakan ya kasance matsakaici. Wannan yayi daidai da launin kore mai haske.
• Matsakaicin Tsawon Tsawon (λd): 517.5 zuwa 535.5 nm- Tsawon tsawon guda ɗaya da idon ɗan adam ya gane wanda ya dace da launin LED. An raba wannan kewayon zuwa kwandon shara.
• Faɗin Bakan Bakan (Δλ): 35 nm (na al'ada)- Faɗin bakan da aka fitar. Ƙunƙuntaccen bandwidth yana nuna launi mai cikakken cikakkiyar, tsantsa.
• Ƙarfin Wutar Gaba (VF): 2.5 zuwa 3.5 V- Faɗin wutar lantarki a kan LED lokacin da aka tuƙa shi a 10mA. Wannan kewayon yana da mahimmanci don ƙirar resistor mai iyakance halin yanzu. Ƙimar tana da haƙuri na ±0.1V kuma an bin shi ma.
• Halin Yanzu na Juyawa (IR): 10 μA matsakaici a VR=5V- Ƙaramin ƙaramin halin yanzu na yabo lokacin da aka juyar da na'urar a matsakaicin matsayinta.

3. Bayanin Tsarin Binning

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LEDs zuwa kwandon shara bisa mahimman sigogi. Fahimtar wannan tsarin yana da mahimmanci don aikace-aikacen da ke buƙatar kamanni iri ɗaya.

3.1 Binning na Tsawon Tsawon (HUE)

An haɗa tsayin tsawon tsawon zuwa kwandon shara mai lakabin B10 zuwa B18, kowanne yana ɗaukar kewayon 2nm daga 517.5nm zuwa 535.5nm. Misali, kwandon shara B17 ya ƙunshi 531.5nm zuwa 533.5nm. Haƙuri na kowane naúrar a cikin kwandon shara shine ±1nm. Dole ne masu ƙira su ƙayyade buƙatun kwandon shara idan daidaiton launi a cikin LEDs da yawa yana da mahimmanci.

3.2 Binning na Ƙarfin Hasken Hasken (CAT)

An rarraba fitar da haske zuwa ƙungiyoyi huɗu: S2 (225-285 mcd), T1 (285-360 mcd), T2 (360-450 mcd), da U1 (450-565 mcd). Haƙuri shine ±11%. Zaɓin babban kwandon shara (misali, U1) yana ba da garantin mafi ƙarancin haske amma yana iya zuwa da farashi mai tsada.

3.3 Binning na Ƙarfin Wutar Gaba (REF)

An rarraba ƙarfin wutar lantarki na gaba don ƙungiyoyin da ke da alaƙa da wasu sigogi (misali, Ƙungiyar B17 tana da kwandon shara na wutar lantarki 9-13). Waɗannan kwandon shara suna kewayo daga 2.50-2.70V (Bin 9) zuwa 3.30-3.50V (Bin 13) tare da haƙuri na ±0.1V. Sanin kwandon shara na VF na iya taimakawa inganta ƙimar resistor mai iyakance halin yanzu don ƙarin daidaitaccen tuƙi na halin yanzu a cikin raka'a, musamman a cikin layukan layi.

4. Bincike na Lanƙwasa Aiki

Lanƙwasa halaye na al'ada suna ba da haske game da yadda LED ke nuna hali a ƙarƙashin yanayin da ba daidai ba. Waɗannan jadawali ne na wakilci, ba garantin mafi ƙanƙanta/matsakaici ba.

4.1 Dangantakar Ƙarfin Hasken Hasken da Halin Yanzu na Gaba

Wannan lanƙwasa yana nuna cewa fitar da haske yana ƙaruwa tare da halin yanzu na gaba amma a cikin yanayin da ba na layi ba. Tuƙi LED sama da shawarar kewayon 10-20mA yana haifar da raguwar dawowa a cikin haske yayin da yake ƙara haɓaka watsawar wutar lantarki da zafin haɗin gwiwa, wanda hakan kuma yana rage tsawon rayuwa.

4.2 Dangantakar Ƙarfin Hasken Hasken da Yanayin Yanayi

Wannan jadawali yana nuna mummunan tasirin zafin jiki akan fitar da haske. Yayin da yanayin yanayi ya tashi, ƙarfin haske yana raguwa. Misali, a +85°C, fitarwa na iya zama kawai 70-80% na ƙimarsa a 25°C. Dole ne a yi la'akari da wannan a cikin ƙira don yanayin zafi mai girma don tabbatar da isasshen haske.

4.3 Lanƙwasa Rage Halin Yanzu na Gaba

Watakila mafi mahimman jadawali don amincin aiki, wannan lanƙwasa yana ba da umarnin matsakaicin halin yanzu na gaba da aka yarda yana aiki azaman aikin yanayin yanayi. Yayin da Ta ke ƙaruwa, dole ne a rage matsakaicin IF da aka yarda don kiyaye zafin haɗin gwiwa a cikin iyakoki masu aminci da kuma hana guduwar thermal. A 85°C, matsakaicin halin yanzu na ci gaba yana da ƙasa sosai fiye da matsakaicin matsakaicin ƙimar 25mA a 25°C.

4.4 Ƙarfin Wutar Gaba da Halin Yanzu na Gaba & Rarraba Bakan

Lanƙwasa VF da IF yana nuna halayen diode na exponential. Jadawalin rarraba bakan yana tabbatar da tsayin tsawon tsawon kusan 518nm (kore) tare da faɗin bandwidth ~35nm da aka bayyana. Jadawalin radiation (polar plot) yana tabbatar da faɗin kusurwar kallo na 120°.

5. Bayanin Injiniya da Kunshi

5.1 Girman Kunshi

Kunshin P-LCC-2 yana da daidaitaccen sawun ƙafa. Mahimman girma sun haɗa da girman jiki gabaɗaya, tazarar jagora, da sanya alamar cathode (yawanci notch ko kore a kan kunshin). An ba da ainihin girma a cikin zanen takardar bayanai tare da daidaitaccen haƙuri na ±0.1mm sai dai idan an lura da haka. Wannan bayanin yana da mahimmanci don ƙirar shimfidar wuri na PCB a cikin software na CAD.

5.2 Tantance Polar

Daidaitaccen polarity wajibi ne. Kunshin ya haɗa da alamar gani don gano cathode. Ba a ba da shawarar yin amfani da ƙarfin wutar lantarki na juyawa, ko da ƙasa da ƙimar 5V, saboda yana iya damun na'urar. Silkscreen na PCB ya kamata ya nuna polarity a sarari.

6. Jagororin Soldering da Taro

6.1 Sigogi na Soldering Reflow

An ƙididdige kayan aikin don matsakaicin zafin sake karkatarwa na 260°C har zuwa dakika 10. Wannan ya yi daidai da daidaitattun bayanan sake karkatarwa marasa gubar (Pb-free) (misali, IPC/JEDEC J-STD-020). Ya kamata a tabbatar da bayanan martaba don tabbatar da cewa zafin jikin LED bai wuce wannan iyaka ba. Soldering hannu, idan ya cancanta, ya kamata a yi shi da sauri a 350°C na matsakaicin dakika 3 kowace jagora, ta amfani da ƙarshen ƙarfe mai ƙasa.

6.2 Hankalin Danshi da Ajiya

Ana kunna LEDs a cikin jakunkuna masu hana danshi tare da desiccant. Jakar ya kamata a buɗe ta kawai kafin amfani a cikin yanayi mai sarrafawa (<30°C / 60% RH). Da zarar an buɗe, dole ne a yi soldering ɗin sassan a cikin lokacin da Matsakin Hankalin Danshi (MSL) ya ƙayyade - wanda, bisa ga bayanin kafin shiri (JEDEC J-STD-020D Level 3), yana yiwuwa awa 168 a <30°C/60% RH. Wucewa wannan rayuwar ƙasa yana buƙatar gasa sassan kafin amfani da su don cire danshin da aka sha da kuma hana "popcorning" yayin sake karkatarwa.

7. Bayanin Kunshi da Oda

7.1 Ƙayyadaddun Tepe da Reel

Samfurin yana samuwa akan tepe mai ɗaukar 8mm wanda aka nannade akan reels na daidaitacce. Yawan adadin da aka ɗora na gama gari shine 1000, 1500, ko 2000 guda a kowace reel. Takardar bayanai tana ba da cikakkun girma don aljihun tepe mai ɗaukar kaya, cibiyar reel, da reel gabaɗaya don tabbatar da dacewa da masu ciyar da kai.

7.2 Bayanin Alamar

Alamar reel ta ƙunshi mahimman bayanai don gano asali da tabbatarwa: Lambar Samfur (P/N), adadi (QTY), da takamaiman lambobin kwandon shara don Ƙarfin Hasken Hasken (CAT), Tsawon Tsawon (HUE), da Ƙarfin Wutar Gaba (REF). Lambar Lot (LOT No) tana ba da cikakken gano asalin masana'antu.

8. Shawarwarin Aikace-aikace

8.1 Da'irori na Aikace-aikacen Al'ada

Da'irar tuƙi ta asali ita ce tushen wutar lantarki (Vcc), resistor mai iyakance halin yanzu (Rseries), da LED a jere. Rseries = (Vcc - VF) / IF.Yin amfani da resistor mai iyakance halin yanzu wajibi ne.Kamar yadda aka lura a cikin "Abubuwan Kula don Amfani," ko da ɗan ƙaramin canjin wutar lantarki ba tare da resistor ba zai iya haifar da babban canjin halin yanzu, yana haifar da ƙonewa nan take saboda halayen I-V na diode na exponential. Don daidaitaccen haske a cikin bambancin Vcc ko zafin jiki, yi la'akari da amfani da takamaiman IC direban LED ko sauƙaƙan da'irar halin yanzu na akai.

8.3 Abubuwan Gudanar da Zafi

Duk da yake kunshin yana da ƙanƙanta, gudanar da zafin jiki har yanzu yana da mahimmanci don tsawon rayuwa. Wutar da aka watsar ita ce Pd = VF * IF. A 20mA da VF na al'ada na 3.0V, wannan shine 60mW. Tabbatar cewa PCB yana ba da isasshen yanki na tagulla (kafet ɗin taimako na thermal) don fitar da zafi daga haɗin gwiwar LED, musamman lokacin aiki kusa da matsakaicin ƙima ko a cikin yanayin zafi mai girma. Guji sanya LED kusa da wasu sassan da ke haifar da zafi.

8.3 Ƙira don Aikace-aikacen Bututun Hasken

Don amfani da bututun haske, daidaita LED a tsakiya a ƙarƙashin saman shigar da bututun. Faɗin kusurwar kallo yana taimakawa haɗa ƙarin haske cikin bututu. Yi la'akari da tazarar da ke tsakanin LED da bututu; ƙaramin, sarrafa tazarar iska ko amfani da gel na silicone na gani na iya inganta ingancin haɗin gwiwa da rage asarar haske. Taga mai tsabta mara launi na LED yana da amfani a nan saboda baya shigo da launi maras so.

9. Kwatancen Fasaha da Banbancewa

Jerin 67-21 sun banbanta da kansu da farko ta hanyarFaɗin kusurwar kallo na 120°daingantaccen ƙira na inter-reflectordon fitarwa na sama. Idan aka kwatanta da daidaitattun LEDs na kallon gefe ko kusurwa mai kunkuntar sama, wannan ya sa ya fi dacewa don aikace-aikace inda mai kallo ba ya kai tsaye daidai da LED, kamar a cikin dashboard na mota ko alamun allon gaba da aka ɗora a kusurwa. Ƙarancin buƙatunsa na halin yanzu (ingantaccen haske a 10mA) shima yana sa ya fi LEDs da ke buƙatar 20mA don irin wannan fitarwa mai ƙarancin wutar lantarki. Cikakken tsarin binning yana ba masu ƙira damar zaɓar don daidaiton launi da haske, fasalin da ba koyaushe ake samunsa ba a cikin LEDs na gama gari masu rahusa.

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

10.1 Zan iya tuƙi wannan LED a 20mA akai-akai?

Ee, 20mA yana ƙasa da Matsakaicin Matsakaicin Ƙimar 25mA. Koyaya, kaidoleka tuntubi Lanƙwasa Rage Halin Yanzu na Gaba. A yanayin yanayi na 25°C, 20mA yana karɓuwa. Idan ana tsammanin yanayin yanayi zai kai 85°C, lanƙwasa rage ƙima zai nuna ƙaramin matsakaicin halin yanzu da aka yarda don tabbatar da aiki mai aminci. Koyaushe ka yi ƙira tare da yanayin yanayi mafi muni a zuciya.

10.2 Me ya sa resistor mai iyakance halin yanzu ya zama dole?

LED diode ne mai alaƙar halin yanzu-wutar lantarki mara layi, exponential. Ƙananan ƙaruwar wutar lantarki (misali, daga rikice-rikice na wutar lantarki ko haƙuri) na iya haifar da babban ƙaruwa, mai yuwuwar lalacewa a cikin halin yanzu. Resistor yana ba da alaƙar layi (Dokar Ohm) wanda ke mamaye da'irar, yana sa halin yanzu ya zama mai hasashe da kwanciyar hankali duk da ƙananan bambance-bambancen wutar lantarki.

10.3 Ta yaya zan fassara lambobin kwandon shara lokacin yin oda?

Don tabbatar da kamanni iri ɗaya a cikin samfurin ku, ya kamata ku ƙayyade kwandon shara da aka yarda don odar ku. Misali, kuna iya ƙayyade "CAT: U1 ko T2" don babban haske da "HUE: B16-B18" don takamaiman inuwar kore. Mai rarrabawa ko masana'anta na iya samar da sassan da suka dace da waɗannan ka'idojin kwandon shara. Yin oda ba tare da ƙayyade kwandon shara ba na iya haifar da gaurayawan launuka da matakan haske.

11. Nazarin Ƙira da Amfani na Aikace-aikace

11.1 Nazarin Hali: Hasken Baya na Canjin Dashboard na Mota

A cikin wannan aikace-aikacen, masu canzawa da yawa akan dashboard mai lanƙwasa suna buƙatar hasken baya daidai. Faɗin kusurwar kallo na 120° na LED 67-21 yana tabbatar da cewa an fitar da haske zuwa direba ko da lokacin da aka ɗora LED a fili akan PCB a bayan hular canjin kusurwa. Bututun haske bazai ma zama dole ba, yana sauƙaƙe haɗawa. Ana tuƙi LED a 10-15mA ta hanyar tsarin 12V na abin hawa ta amfani da madaidaicin resistor mai saukewa ko layin dogaro na 3.3V/5V. Kewayon zafin aiki (-40°C zuwa +85°C) yana ɗaukar yanayin cikin mota cikin kwanciyar hankali.

11.2 Nazarin Hali: Alamar Matsayi na Panel na Masana'antu tare da Bututun Hasken

Kwamfuta mai sarrafawa tana da alamomin matsayi (Wutar Lantarki, Laifi, Shirye) waɗanda ke buƙatar ganin su daga ƙafafu da yawa kuma daga wurare daban-daban na ma'aikaci. Ana ɗora LEDs akan babban PCB mai zurfi a cikin akwati. Bututun haske na acrylic masu tsabta suna tafiyar da haske zuwa alamomin da aka yiwa lakabi a kan allon gaba. Launin kore mai haske (518nm) na LED 67-21 yana ba da babban bambanci na gani. Ƙirar inter-reflector tana haɓaka adadin hasken da aka haɗa a cikin gindin bututun haske, yana tabbatar da haske mai haske, bayyananne ko da a cikin ɗakuna masu haske.

12. Gabatarwar Ka'idar Aiki

Diodes masu fitar da haske (LEDs) na'urorin semiconductor ne waɗanda ke fitar da haske ta hanyar electroluminescence. Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba a kan haɗin p-n, electrons daga kayan n-type suna sake haɗuwa tare da ramuka daga kayan p-type a cikin yanki mai aiki. Wannan tsarin sake haɗawa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman tsawon tsawon (launi) na hasken da aka fitar an ƙaddara shi ta hanyar makamashin bandgap na kayan semiconductor da aka yi amfani da su. Jerin 67-21 suna amfani da AlGaInP (Aluminum Gallium Indium Phosphide) chip, wanda shine tsarin kayan gama gari don samar da ingantattun LEDs ja, orange, rawaya, da kore. Resin encapsulant "ruwa mai tsabta" baya ƙunsar phosphor kuma yana ba da damar fitar da launin asali daga guntu, yana haifar da cikakkiyar kore mai haske.

13. Trends na Fasaha da Mahallin

Jerin 67-21 suna cikin fa'ida masu faɗi na masana'antu. Ƙaura zuwa P-LCC-2 da makamantansu ƙananan kunshin-mount yana nuna buƙatar ƙanƙanta da haɗa kai. Mai da hankali kan faɗin kusurwar kallo yana magance buƙatar ingantaccen ƙwarewar mai amfani a cikin lantarki na mabukaci da na mota. Bin ka'idojin RoHS (Ƙuntata Abubuwa masu haɗari), REACH (Rajista, Kimantawa, Izini da Ƙuntata Sinadarai), da ka'idojin Halogen-Free yanzu shine buƙatun tushe don samun damar kasuwa a duniya, wanda aka motsa ta hanyar dokokin muhalli da fifiton mabukaci. Cikakken tsarin binning yana nuna mayar da hankali na masana'antu akan daidaiton launi da hasashen aiki, waɗanda ke da mahimmanci don hoton alama a cikin samfuran ƙarshe. Trends na gaba na iya tura don ƙarin inganci (ƙarin mcd/mA), ƙunƙuntaccen haƙuri na launi, da kunshin da ke ba da damar mafi kyawun sarrafa zafi don mafi girman halin yanzu na tuƙi.