Takardar Bayani na LED CH1216-C8W80 - 1.6x1.2mm SMD - 3.0V - 80mA - Farin Sanyi/Dumi - Takardar Fasaha ta Turanci

1. Bayyani Game da Samfur

CH1216-C8W80 LED ne mai dogaro sosai, wanda aka tsara da farko don aikace-aikacen hasken ciki da kewaye na mota masu ƙalubale. Babban fa'idarsa ta ta'allaka ne a haɗuwar kayan aikin yumbu mai ƙarfi, cancantar ma'aunin AEC-Q101 mai tsauri don kayan aikin mota, da kuma bin umarnin muhalli kamar RoHS, REACH, da buƙatun marasa halogen. Wannan ya sa ya dace da amfani a cikin yanayin da damuwa na zafi, girgiza na inji, da dogon lokaci na dogaro suke muhimman abubuwa. Kasuwar da aka yi niyya ita ce masu kayan aikin mota Tier 1 da masu kera na'urorin haskakawa waɗanda ke buƙatar hanyoyin haske masu ƙarfi, masu dogaro don hasken dashboard, hasken ƙafar ƙafa, hasken accent, da sauran fasalolin ɗakin.

2. Bincike Mai zurfi na Sigogi na Fasaha

2.1 Halayen Hoto da Lantarki

Ana ba da na'urar a cikin manyan yanayin zafin launi guda biyu: Farin Sanyi (5180K zuwa 6680K) da Farin Dumi (2580K zuwa 3200K). A yawanci ƙarfin kuzari na 80mA, bambancin Farin Sanyi yana ba da haske mai haske na yau da kullun na lumens 25, yayin da bambancin Farin Dumi yana ba da lumens 22. Dukansu suna da faɗin kusurwar kallo na digiri 120, suna tabbatar da kyakkyawan rarraba hasken sararin samaniya. Ƙarfin lantarki na gaba (Vf) ga duka nau'ikan yawanci 3.00V ne a 80mA, tare da ƙayyadadden kewayon daga 2.75V zuwa 3.50V, wanda ke wakiltar fitarwa na kashi 99% na samarwa. Yana da mahimmanci ga masu zana kewayawa su yi la'akari da wannan kewayon Vf don tabbatar da daidaitaccen ƙa'idar halin yanzu da haske a cikin batutuwan samarwa.

2.2 Matsakaicin Matsakaicin Ƙimar da Gudanar da Zafi

Matsakaicin ƙimar ƙididdigewa yana ayyana iyakokin aiki. Matsakaicin ci gaba na yanzu na ci gaba shine 120mA, kuma na'urar na iya ɗaukar ƙarfin igiyar ruwa har zuwa 750mA don bugun jini ≤10μs. Matsakaicin zafin haɗin gwiwa (Tj) shine 150°C. Muhimmin ma'auni don ƙirar zafi shine juriyar zafi. Takardar bayani ta ƙayyade ƙima biyu: ainihin juriyar zafi (Rth JS real) na 26 K/W da juriyar zafi ta lantarki (Rth JS el) na 18 K/W. Ƙimar lantarki yawanci ana samun ta ne daga hanyar ma'aunin zafin jiki na Vf kuma galibi yana da ƙasa; Masu zane ya kamata su yi amfani da mafi girma, ainihin ƙimar don ƙirar zafi mai ra'ayin mazan jiya. Lanƙwan ƙarfin lantarki na gaba yana nuna a fili cewa matsakaicin halatta na ci gaba yana raguwa yayin da zafin gindin solder ya tashi, yana kaiwa 80mA a 110°C.

2.3 Amincewa da Bin Ka'idojin Muhalli

LED yana alfahari da ikon jure ESD har zuwa 8 kV (HBM), yana haɓaka ƙarfinsa akan zubar da lantarki yayin sarrafawa da haɗawa. Matsayinsa na Hankan Danshi (MSL) shine 2, yana nuna cewa za a iya adana shi har zuwa shekara guda a ≤30°C/60% RH kafin a buƙaci gasa kafin a yi amfani da solder reflow. Cikakkiyar bin ka'idojin RoHS, REACH, da marasa halogen (Br<900ppm, Cl<900ppm, Br+Cl<1500ppm) an tabbatar. Bugu da ƙari, takardar bayani ta ambaci ƙarfin sulfur, wani muhimmin siffa don aikace-aikacen mota inda iskar gas mai sulfur na iya lalata kayan aikin azurfa.

3. Tsarin Rarraba da Lambar Sashi

Samfurin yana amfani da tsarin rarraba don rarraba fitarwa bisa mahimman ma'auni, yana tabbatar da daidaito ga mai amfani na ƙarshe. Yayin da cikakken matrix ɗin rarraba ya yi cikakken bayani a cikin takardar bayani, manyan kwandon suna da alaƙa da daidaitawar launi (x, y) da haske mai haske (Iv). Lambar sashi CH1216-C8W80801H-AM tana ɓoye zaɓin kwandon takamaiman. Sashin \"C8W80\" yana nuna jerin samfurin da haɗin launi (Farin Sanyi da Dumi). Lambobi masu zuwa (\"801\") yawanci suna ƙayyadad da lambobin kwandon haske da launi. \"H\" yana nuna nau'in marufi (misali, tef da reel). Fahimtar wannan nomenclature yana da mahimmanci don daidaitaccen oda don dacewa da aikin gani da ake buƙata.

4. Bincike na Lanƙwan Aiki

4.1 Lanƙwan IV da Ingantaccen Hasken Hasken

Graf na Halin Yanzu na Gaba da Ƙarfin Lantarki na Gaba yana nuna alaƙar halitta mai ma'ana. Grafin Dangantakar Hasken Hasken da Halin Yanzu na Gaba yana nuna cewa fitarwar haske yana ƙaruwa da ƙasa da layi tare da halin yanzu. Ga LED Farin Sanyi, hasken dangi yana kusan 1.0 a 80mA (ma'anar ma'anar), yana ƙaruwa zuwa kusan 1.35 a 120mA. LED Farin Dumi yana nuna ƙaruwa mai zurfi kaɗan. Wannan rashin daidaituwa yana nuna mahimmancin kwanciyar hankali na tuƙi na yanzu akan tuƙin ƙarfin lantarki don kiyaye daidaitaccen haske da launi.

4.2 Dogaro da Zafin Jiki

Grafin Dangantakar Hasken Hasken da Zafin Haɗin gwiwa yana da mahimmanci don ƙirar zafi. Dukansu fitarwa na Farin Sanyi da Dumi suna raguwa yayin da zafin haɗin gwiwa ya tashi. A Tj na 100°C, hasken dangi ya faɗi zuwa kusan 0.85 na ƙimarsa a 25°C. Ƙarfin Lantarki na Gaba yana da ma'aunin zafin jiki mara kyau, yana raguwa da kusan 2mV/°C. Grafikoyin Canjin Daidaitawar Launi suna nuna ƙananan motsi tare da duka halin yanzu da zafin jiki don sigar Farin Sanyi, yana nuna kyakkyawan kwanciyar hankali na launi. Siffar Farin Dumi tana nuna mafi bayyananne, ko da yake har yanzu ana sarrafa shi, canji a cikin daidaitawar x tare da canza halin yanzu, wanda ya kamata a yi la'akari da shi a cikin aikace-aikacen da ke buƙatar daidaiton launi mai tsauri.

4.3 Rarraba na Gani

Grafin Rarraba na Gani na Dangi yana kwatanta bakan fitarwa na LED Farin Sanyi da Farin Dumi. Bakan Farin Sanyi yana nuna kololuwar shuɗi mai ƙarfi (daga guntuwar LED) da faɗaɗa fitarwar phosphor mai faɗi. Bakan Farin Dumi yana da raguwar ɓangaren shuɗi kuma ya fi rinjaye, mafi faɗi fitarwa a yankin rawaya-ja, wanda ya haifar da ƙananan daidaitaccen zafin launi (CCT) da bayyanar dumi. Dukansu bakan suna ba da gudummawa ga Fihirisar Fitarwa na Launi (CRI) fiye da 80.

5. Bayanin Injiniya, Marufi & Tari

5.1 Ma'auni da Halin Polarity

Na'urar tana amfani da ƙaramin fakitin SMD na yumbu tare da ma'auni na 1.6mm (tsayi) x 1.2mm (faɗi). Zanen injiniya ya ƙayyade ainihin sawun ƙafa, gami da wurin gindin anode da cathode. An yiwa alamar daidaitaccen alkiblar polarity akan kayan aikin da kanta, yawanci tare da alamar cathode. An ba da shirin gindin gindin da aka ba da shawarar don tabbatar da samar da haɗin gwiwar solder daidai, canja wurin zafi, da ƙarfin injiniya.

5.2 Jagororin Solder da Sarrafawa

An ƙayyade bayanin martabar reflow solder, tare da kololuwar zafin jiki na 260°C har zuwa dakika 30. Yin bin wannan bayanin yana da mahimmanci don hana fashewar fakitin ko lalata kayan ciki. Saboda matsayinsa na MSL 2, na'urorin da aka fallasa ga yanayin yanayi na tsawon lokaci fiye da rayuwar bene dole ne a gasa su kafin reflow. Sashen \"Precaution for Use\" mai yiwuwa ya ƙunshi sarrafawa don guje wa lalacewar ESD, yanayin ajiya, da shawarwarin tsaftacewa.

5.3 Ƙayyadaddun Marufi

Ana ba da LED akan tef da reel don haɗawa ta atomatik. Bayanin marufi ya ƙididdige ma'aunin reel, faɗin tef, tazarar aljihu, da alkiblar abubuwan da ke cikin tef ɗin. Wannan bayanin yana da mahimmanci don shirya injunan ɗauka da sanyawa daidai.

6. Jagororin Aikace-aikace da La'akari da Zane

6.1 Kewayon Aikace-aikacen Yau da Kullun

Don mafi kyawun aiki da tsawon rai, dole ne a tuka LED ta hanyar tushen halin yanzu na yau da kullun, ba tushen ƙarfin lantarki na yau da kullun ba. Resistor na jerin gwano na iya isa ga ainihin aikace-aikacen tare da kwanciyar hankali wadata ƙarfin lantarki, amma ana ba da shawarar musamman LED direba IC don aikace-aikacen mota saboda faɗin kewayon ƙarfin lantarki shigar (misali, yanayin zubar da kaya) da buƙatar dusar ƙanƙara ko kariya daga laifi. Ya kamata a zaɓi direba don samar da kwanciyar hankali 80mA (ko ƙasa, idan an rage shi saboda dalilai na zafi) zuwa LED.

6.2 Zane na Zafi a cikin Aikace-aikace

Ingantaccen sarrafa zafi yana da mahimmanci. Aikin LED da tsawon rayuwarsa suna da alaƙa kai tsaye da zafin haɗin gwiwa. Ya kamata a ƙera PCB tare da isassun hanyoyin zafi a ƙarƙashin gindin zafi na na'urar, an haɗa shi da babban zubar da tagulla ko tsarin ƙasa na ciki don yin aiki azaman mai yada zafi. A cikin yanayin yanayi mai zafi kamar ɗakin mota, ƙarin matakan kamar PCB na ƙarfe-core ko sanyaya mai aiki na iya zama dole don kiyaye zafin gindin solder a cikin iyakokin lanƙwasa.

6.3 Haɗin Gani

Kusurwar kallo na digiri 120 ya sa wannan LED ya dace da aikace-aikacen da ke buƙatar haske mai faɗi, daidai maimakon katako mai mai da hankali. Don jagororin haske ko takamaiman alamu na gani, za a buƙaci na'urorin gani na biyu (ruwan tabarau, masu watsawa). Ƙananan girman fakitin yana ba da damar sanyawa mai yawa a cikin sandunan haske na layi ko ƙungiyoyi masu ƙarfi.

7. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da daidaitattun LED na SMD na filastik, fakitin yumbu na CH1216-C8W80 yana ba da mafi kyawun kayan aikin zafi, wanda ke haifar da ƙananan zafin haɗin gwiwa a lokacin tuƙi iri ɗaya kuma don haka mafi girman dogon lokaci na dogaro da kiyaye lumen. Cancantar AEC-Q101 babban bambanci ne don amfani da mota, saboda ya ƙunshi gwajin damuwa mai tsauri (rayuwar aiki mai zafi, zagayowar zafin jiki, da sauransu) wanda LED na kasuwanci na gaba ɗaya ba sa shiga. Tabbacin ƙarfin sulfur a fili yana magance yanayin gazawar gama gari a cikin yanayin mota wanda galibi ba a ƙayyade shi ba don LED na masana'antu.

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

Q: Zan iya tuka wannan LED a 120mA akai-akai?

A: Kawai idan an kiyaye zafin gindin solder a ko ƙasa da 103°C, kamar yadda lanƙwan ya nuna. A yawan yanayin yanayi a cikin mota, wannan yana buƙatar sarrafa zafi na musamman. Ana ba da shawarar yin aiki a 80mA ko ƙasa don yawancin ƙira.

Q: Menene bambanci tsakanin Rth JS real da Rth JS el?

A: Rth JS real ana auna shi ta amfani da hanyar zafi kai tsaye (misali, tare da guntuwar gwajin zafi) kuma ana ɗaukarsa mafi daidai don ƙirar kwararar zafi. An ƙididdige Rth JS el daga canjin ƙarfin lantarki na gaba tare da zafin jiki. Koyaushe yi amfani da mafi girman ƙimar Rth JS real (26 K/W) don ƙirar zafi mai ra'ayin mazan jiya.

Q: Shin resistor mai iyakancewa halin yanzu ya isa don samar da wannan LED a cikin mota?

A: Zai iya aiki don sauƙaƙan aikace-aikacen da ba za a iya dusar ƙanƙara ba idan ƙarfin lantarki shigar yana da kwanciyar hankali sosai. Duk da haka, tsarin lantarki na mota yana fuskantar mahimman abubuwan wucewa (zubar da kaya, crank mai sanyi). Ana ba da shawarar musamman direban LED na mota mai daraja tare da kariya daga wuce gona da iri da polarity baya don aiki mai dogaro.

Q: Yaya kwanciyar hankali na farin launi akan zafin jiki da halin yanzu?

A: Siffar Farin Sanyi tana nuna kyakkyawan kwanciyar hankali na launi tare da ƙananan canji. Siffar Farin Dumi tana nuna canji mai ban sha'awa a cikin daidaitawar launi, musamman tare da canza halin yanzu na tuƙi. Don aikace-aikacen da daidaitaccen daidaitawar launi ke da mahimmanci, zaɓin rarraba da kwanciyar hankali, tushen halin yanzu mai kyau suna da mahimmanci.

9: Nazarin Shari'ar Zane da Amfani

Labari: Hasken Aljihu Ƙofar Mota

Mai zane yana ƙirƙirar aljihu ƙofar da aka haskaka don abin hawa. Sararin samaniya yana da iyaka, yanayin yanayi na iya kaiwa 70°C, kuma hasken dole ne ya zama daidai kuma ya zama dumi a cikin sauti don dacewa da yanayin ɗakin. An zaɓi CH1216-C8W80 (Farin Dumi bin) saboda ƙaramin girman sa, dogaron AEC-Q101, da daidaitaccen zafin launi. An sanya LED guda huɗu a cikin jerin layi tare da babban gefen aljihu. PCB ɗin daidaitaccen allon FR4 ne tare da Layer na tagulla 2-oz da jerin hanyoyin zafi a ƙarƙashin kowane gindin LED da aka haɗa zuwa babban tsarin ƙasa. Ana tuka LED a cikin jerin guda ɗaya ta direban LED mai ƙwanƙwasa wanda aka ƙididdige shi don ƙarfin lantarki shigar na mota (6V zuwa 40V), an saita don isar da 60mA ga kowane LED—an rage shi daga 80mA don yin la'akari da babban yanayin yanayi. An sanya jagorar haske tare da tsarin micro-prismatic akan LED don watsa hasken daidai a cikin aljihu. Wannan ƙirar tana tabbatar da haske mai dogaro, mai dorewa, da kyan gani.

10. Ka'idar Aiki da Trends na Fasaha

10.1 Ainihin Ka'idar Aiki

Wannan LED tushen haske ne mai ƙarfi wanda ya dogara da guntuwar semiconductor, yawanci ana yin shi da indium gallium nitride (InGaN) don mai fitarwa shuɗi. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce bakin kofa na diode, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki na semiconductor, suna sakin makamashi a cikin nau'in photons - wani tsari da ake kira electroluminescence. Babban hasken da aka fitar shuɗi ne. Don ƙirƙirar farin haske, wani ɓangare na wannan shuɗin haske yana sha ta hanyar shafi na phosphor (cerium-doped yttrium aluminum garnet ko makamantanshi) wanda aka ajiye akan guntu. Phosphor yana sake fitar da wannan makamashi azaman bakan haske mai faɗi. Haɗuwar sauran shuɗin haske da fitarwar rawaya na phosphor yana haifar da farin haske da ake gani. Ainihin rabo na shuɗi zuwa fitarwar rawaya, da takamaiman abun da ke ciki na phosphor, yana ƙayyade daidaitaccen zafin launi (CCT), yana haifar da bambance-bambancen Farin Sanyi ko Farin Dumi.

10.2 Trends na Masana'antu

Trend a cikin LED na hasken cikin mota yana zuwa ga mafi inganci (ƙarin lumens kowace watt), yana ba da damar haske mai haske ko ƙananan amfani da wutar lantarki da kayan aikin zafi. Hakanan akwai turawa don ingantaccen fitarwa na launi (matsakaicin ƙimar CRI da R9) da ƙaramin daidaiton launi (ƙananan ellipses na MacAdam) don saduwa da buƙatun kyan gani na farashi. A lantarki, haɗin kai yana ƙaruwa, tare da ayyukan direba wani lokaci ana haɗa su tare. Bugu da ƙari, karɓar fasahohin phosphor na ci gaba, kamar ƙirar phosphor na ƙira ko ƙirar phosphor mai nisa, yana ci gaba da inganta daidaiton launi da kwanciyar hankali akan kusurwa da tsawon rai. Tushen tuƙi don ƙananan ƙira da dogaro, kamar yadda wannan na'urar mai kayan aikin yumbu ta misalta, ya kasance akai.