Takardun Bayani na LTSA-S020ZWETA SMD LED - Tushen Fari Mai Ruwan Hoda - 30mA - 100mW - Takardun Fasaha na Hausa

1. Bayyani Game da Samfur

Wannan takarda ta yi cikakken bayani game da ma'auni na LTSA-S020ZWETA, wata'ila diode mai fitar da haske (LED) mai haɗawa ta saman (SMD). An tsara wannan kayan don tsarin haɗa allon da'ira da aka buga (PCB) ta atomatik kuma ya dace da aikace-aikacen da ke da ƙarancin sarari a cikin sassa daban-daban na kayan lantarki.

1.1 Siffofi

• Ya bi ka'idojin RoHS (Ƙuntata Abubuwa masu haɗari).
• An kunna shi a cikin tepe na 12mm akan reels mai diamita 7-inch don sarrafawa ta atomatik.
• An riga an shirya shi zuwa matakin hankali na danshi na JEDEC (MSL) 2a.
• Inganci da aka ambata zuwa AEC-Q101 Rev D, ma'auni don sassan semiconductor daban-daban.
• Madaidaicin tsarin kunshin EIA (Ƙungiyar Masana'antu ta Lantarki).
• Matakan tuƙi masu dacewa da haɗaɗɗen da'ira (I.C.).
• Ya dace da daidaitattun kayan aikin ɗauka da sanyawa ta atomatik.
• Ya dace da hanyoyin solder na IR reflow.

1.2 Aikace-aikace

An yi nufin wannan LED don amfani a cikin nau'ikan kayan lantarki iri-iri. Takardun bayani ta ambaci aikace-aikace a musamman a cikin motocin injiniya don ayyukan kayan haɗi. Halayensa na gaba ɗaya sun sa ya dace da kayan lantarki na mabukaci, masu nuna alama, da hasken baya inda ake son tushen haske fari mai launin rawaya.

2. Ma'auni na Fasaha: Cikakken Bayani Mai Ma'ana

2.1 Matsakaicin Matsakaici na Gaba Daya

Waɗannan ma'auni suna bayyana iyakokin da za su iya haifar da lalacewa ta dindindin ga na'urar. Ba a ba da garantin aiki a ƙarƙashin waɗannan sharuɗɗan ba.

• Rushewar Wutar Lantarki (Pd):100 mW. Wannan shine matsakaicin wutar da kunshin zai iya watsawa azaman zafi.
• Matsakaicin Halin Yanzu na Gaba (I_F(PEAK)):50 mA. Wannan shine matsakaicin halin yanzu na nan take, yawanci ana ƙayyade shi a ƙarƙashin sharuɗɗan bugun jini (1/10 aikin aiki, 0.1ms faɗin bugun) don sarrafa damuwa na zafi.
• Halin Yanzu na DC na Gaba (I_F):30 mA. Wannan shine matsakaicin ci gaba da halin yanzu na gaba don aiki mai aminci.
• Kewayon Zafin Aiki (T_opr):-40°C zuwa +100°C. Kewayon zafin yanayin da aka tsara na'urar don yin aiki a cikinsa.
• Kewayon Zafin Ajiya (T_stg):-40°C zuwa +100°C. Kewayon zafin jiki don ajiyar da ba ta aiki ba.

2.2 Halaye na Lantarki da na Gani

Ana auna waɗannan ma'auni a daidaitaccen zafin yanayi na 25°C kuma suna bayyana aikin na'urar na yau da kullun.

• Ƙarfin Hasken Gani (I_V):180 - 450 mcd (millicandela) a gwajin halin yanzu (I_F) na 2 mA. Wannan yana auna hasken da ake gani a wata takamaiman hanya. Faɗin kewayon yana nuna ana amfani da tsarin rarrabawa (duba Sashe na 3).
• Kusurwar Kallo (2θ_1/2):Digiri 120 (na yau da kullun). Wannan shine cikakken kusurwar da ƙarfin hasken gani ya faɗi zuwa rabin ƙimarsa na axial (a kan axis), yana nuna tsarin kallo mai faɗi.
• Ma'auni na Launi (x, y):x=0.3197, y=0.3131 a I_F=2 mA. Waɗannan ma'auni na CIE 1931 suna bayyana wurin launi na hasken fari akan zane na chromaticity.
• Ƙarfin Wutar Gaba (V_F):2.25 - 2.95 V a I_F=2 mA. Faɗin wutar lantarki a kan LED lokacin da yake gudanar da halin yanzu. Ana kuma amfani da tsarin rarrabawa a nan.
• Ƙarfin Wutar Baya (V_Z):6 - 8 V a I_Z=10 mA. Wannan shine ƙarfin wutar lantarki na Zener ko rushewa.Mahimmanci:Ba a tsara na'urar don aikin baya ba; wannan ma'auni ne kawai don dalilai na gwajin IR.
• Halin Yanzu na Baya (I_R):10 μA (max) a V_R=5V. Ƙananan halin yanzu na ɓarna lokacin da aka yi amfani da bambancin baya.
• Ƙarfin Wutar ESD:2000 V (Samfurin Jikin Mutum). Wannan yana nuna matsakaicin matakin kariya daga fitar da wutar lantarki.

3. Bayanin Tsarin Rarrabawa

Don tabbatar da daidaito a cikin samarwa, ana rarraba LEDs bisa mahimman ma'auni. LTSA-S020ZWETA yana amfani da tsarin lamba uku: Vf / Iv / Launi (misali, E3 / S2 / LL).

3.1 Rarrabawar Karfin Wutar Gaba (Vf)

Ana rarraba LEDs zuwa rukunoni (E1 zuwa E7) bisa ga ƙarfin wutar gabansu a 2 mA. Kowane rukuni yana da kewayon 0.1V, tare da jimlar jurewar ±0.1V a kowane rukuni. Misali, rukunin E3 ya ƙunshi Vf daga 2.45V zuwa 2.55V.

3.2 Rarrabawar Karfin Hasken Gani (Iv)

Ana rarraba LEDs zuwa rukunoni (S1, S2, T1, T2) bisa ga haskensu a 2 mA. Rukunoni suna wakiltar matakan ƙarfi masu ƙaruwa, tare da rukunin T2 yana ba da mafi girman fitarwa (355-450 mcd). Jurewar a kowane rukuni shine ±11%.

3.3 Rarrabawar Launi (Chromaticity)

Wannan shine mafi rikitarwa ma'auni na rarrabawa. Ana rarraba LEDs bisa ga ma'auni na CIE (x, y) chromaticity da aka auna a 2 mA. Takardun bayani tana ba da cikakken tebur tare da lambobin rukuni (misali, JL, JK, KL, LL, LK, ML, MK, NL, NK, OL, OK, PL, PK) waɗanda yankuna huɗu suka ayyana akan zane na chromaticity. An ƙayyade kowane yanki ta maki huɗu na ma'auni (x, y). Jurewar hue (x, y) a cikin rukuni shine ±0.01. Yawanci ana haɗa zane na chromaticity don ganin waɗannan rukunonin.

4. Bincike na Lissafin Aiki

Takardun bayani ta haɗa da lissafin halaye na yau da kullun don taimakawa wajen fahimtar zane.

4.1 Rarraba ta Sarari

Zane na polar (Fig. 2) yana kwatanta tsarin radiation na sarari na LED. Kusurwar kallo na digiri 120 an tabbatar da ita ta wannan lissafin, yana nuna yadda ƙarfin haske ya bambanta da kusurwar daga tsakiyar axis. Wannan yana da mahimmanci ga aikace-aikacen da ke buƙatar takamaiman tsarin haskakawa.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin

LED ya yi daidai da daidaitaccen tsarin kunshin SMD. Manyan ma'auni sun haɗa da girman jiki, tazarar jagora, da tsayin gaba ɗaya. An ba da duk ma'auni a cikin milimita tare da jurewar yau da kullun na ±0.2 mm sai dai idan an ambata akasin haka. Launin ruwan tabarau rawaya ne, yayin da kayan guntu na tushen haske shine InGaN, yana samar da haske fari.

5.2 Shafin Haɗa PCB da Ake Shawarar

An ba da zanen sawun ƙafa wanda ke nuna shafin tagulla da ake ba da shawara akan PCB don solder mai aminci. Wannan ya haɗa da girman shafin, siffa, da tazara don tabbatar da ingantaccen haɗin solder yayin reflow da ingantaccen mannewa na injiniya.

6. Jagororin Solder da Haɗawa

6.1 Bayanin Yanayin Solder na IR Reflow

An ba da shawarar bayanin reflow na infrared don hanyoyin solder marasa gubar (Pb-free), wanda ya yi daidai da ma'aunin J-STD-020. Wannan bayanin yana ayyana mahimman ma'auni don tanda reflow: zafin jiki da lokacin preheat, ƙimar hawan zafin jiki, matsakaicin zafin jiki, lokacin sama da ruwa (TAL), da ƙimar sanyaya. Yin bin wannan bayanin yana da mahimmanci don hana lalacewar zafi ga kunshin LED.

6.2 Tsaftacewa

Idan tsaftacewa bayan solder ya zama dole, kawai ya kamata a yi amfani da takamaiman sinadarai. Takardun bayani ta ba da shawarar nutsar da cikin barasa na ethyl ko isopropyl a zafin jiki na yau da kullun na ƙasa da minti ɗaya. Sinadaran da ba a ƙayyade ba na iya lalata kayan kunshin LED.

6.3 Yanayin Ajiya

• Kunshi Mai Rufi:Ajiye a ≤30°C da ≤70% Danshin Dangi (RH). Samfurin yana da rayuwar shinge na shekara guda idan an ajiye shi a cikin jakar kariya daga danshi ta asali tare da abin bushewa.
• Kunshi da aka Buɗe:Don sassan da aka cire daga kunshinsu na asali, yanayin ajiyar bai kamata ya wuce 30°C da 60% RH ba. Ana ba da shawarar sosai cewa waɗannan sassan "rayuwar bene" su yi solder na IR reflow a cikin sa'o'i 168 (kwanaki 7) na fallasa don guje wa lalacewar da danshi ya haifar ("popcorning") yayin reflow.

7. Bayanin Kunshin da Oda

7.1 Ma'auni na Tepe da Reel

Ana ba da LEDs a cikin daidaitaccen tepe mai ɗaukar kaya na masana'antu.

• Faɗin Tepe:12 mm.
• Diamita na Reel:7 inches.
• Adadin kowane Reel:Guda 2000.
• Mafi ƙarancin Adadin Kunshi:Guda 500 don sauran adadi.
• Kunshin ya yi daidai da ƙayyadaddun EIA-481-1-B. An rufe tepe da tepe mai rufi, kuma akwai matsakaicin izinin sassa biyu da suka ɓace a jere.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan LED ya dace da fitilun nuni na gabaɗaya, nunin yanayi, da hasken baya a cikin kayan lantarki na mabukaci da na masana'antu. Ambatonsa na musamman a cikin kayan haɗin motocin injiniya yana nuna amfani a cikin fitilun dashboard, hasken baya na kwamitin sarrafawa, ko hasken kayan haɗi na waje inda ake son hasken fari mai launin rawaya don kyau ko takamaiman buƙatun aiki.

8.2 Abubuwan da Ya Kamata a Yi la'akari da su a Zane

• Ƙuntata Halin Yanzu:Koyaushe yi amfani da resistor mai ƙuntata halin yanzu a jere ko da'irar tuƙi mai ci gaba da halin yanzu. Kada a haɗa kai tsaye zuwa tushen wutar lantarki. Matsakaicin ci gaba da halin yanzu na DC shine 30 mA.
• Gudanar da Zafi:Duk da yake rushewar wutar lantarki yana da ƙasa (100mW max), tabbatar da isasshen yanki na tagulla na PCB ko ramukan zafi na iya taimakawa wajen kiyaye ƙananan zafin jiki na haɗuwa, yana haɓaka tsawon rai da ingantaccen fitar da haske.
• Gargaɗin ESD:Ko da yake an ƙididdige shi don 2kV HBM, ya kamata a kiyaye ƙa'idodin sarrafa ESD na yau da kullun yayin haɗawa.
• Zane na Gani:Kusurwar kallo na digiri 120 tana ba da tarwatsawa mai faɗi. Don haske mai mai da hankali, za a buƙaci na'urorin gani na biyu (ruwan tabarau, jagororin haske).

9. Gargaɗi da Bayanan Amincewa

LEDs da aka kwatanta an yi niyya ne don kayan lantarki na yau da kullun. Don aikace-aikacen da ke buƙatar amincin na musamman inda gazawar za ta iya haifar da rayuwa ko lafiya (misali, jiragen sama, na'urorin likita, tsare-tsaren amincin sufuri), tuntuba na musamman da cancanta fiye da wannan daidaitaccen takardun bayani wajibi ne. Ba a tsara na'urar don aikin ƙarfin wutar lantarki na baya a cikin da'irar aikace-aikace ba.

10. Kwatancen Fasaha da Matsayi

Wannan LED yana sanya kansa a matsayin kayan SMD na gabaɗaya, mai tsada. Manyan abubuwan banbance-banbance sun haɗa da takamaiman haɗin launin fari-tare-da-ruwan tabarau-rawaya, cancantar da aka ambata zuwa AEC-Q101 (na kowa a cikin mahallin mota), da riga-shirya zuwa MSL 2a don ingantaccen juriya ga danshi yayin solder. Idan aka kwatanta da LEDs masu haske sosai ko ƙunƙuntaccen kusurwa, yana ba da haɗin kai mai daidaito na isasshen haske, kusurwar kallo mai faɗi sosai, da fasali na amincin daidai wanda ya dace da aikace-aikacen kasuwanci masu yawa.

11. Tambayoyin da Ake Yawan Yi (Dangane da Ma'auni na Fasaha)

Q: Menene bambanci tsakanin launin ruwan tabarau da launin tushe?

A: Launin tushe (Fari, daga guntu na InGaN) shine hasken da aka samar a ciki. Ruwan tabarau rawaya yana aiki azaman tacewa/kunshi, yana canza launin hasken da aka fitar na ƙarshe, yana haifar da bayyanar fari mai dumi ko fari mai launin rawaya.

Q: Ta yaya zan zaɓi rukunin da ya dace don aikace-aikacena?

A: Don aikace-aikacen inda daidaiton launi yake da mahimmanci (misali, tsararrun LED da yawa), ƙayyade rukunin launi mai ƙarfi (misali, LL) da yuwuwar rukunin Vf mai ƙarfi. Don masu nuna alama guda ɗaya inda cikakken haske ya zama mahimmanci, ƙayyade rukunin Iv mafi girma (T1 ko T2). Mai rarraba ku zai iya ba da rukunoni da ke akwati.

Q: Zan iya tuƙa wannan LED a 30mA a ci gaba?

A: Ee, 30mA shine matsakaicin ƙididdige ci gaba da halin yanzu na DC. Duk da haka, don mafi kyawun tsawon rai da kuma la'akari da hawan zafin yanayi, ana yawan ba da shawarar tuƙi a ƙananan halin yanzu (misali, 20mA) kuma har yanzu zai ba da isasshen haske don aikace-aikace da yawa.

Q: Me ya sa yanayin ajiya bayan buɗe jakar ya yi tsauri (sa'o'i 168)?

A> Kunshin SMD na iya ɗaukar danshi daga iska. Yayin babban zafin jiki na hanyar solder reflow, wannan danshin da aka kama zai iya yin tururi da sauri, yana haifar da rabuwa a ciki ko fashewa ("popcorning"). Rayuwar bene na sa'o'i 168 shine matsakaicin lokacin fallasa mai aminci don sassan da aka ƙididdige su MSL 2a kafin dole ne a sake gasa su don cire danshi.

12. Misalin Zane da Amfani na Aiki

Yanayi: Zanen allon nuna yanayi don mai sarrafa masana'antu.Allon yana buƙatar LEDs da yawa don nuna wutar lantarki, kuskure, da yanayin jiran aiki. Mai zane ya zaɓi LTSA-S020ZWETA saboda faɗin kusurwar kallonsa, yana tabbatar da ganuwa daga kusurwoyi daban-daban a cikin ɗakin sarrafawa. Don tabbatar da daidaitaccen haske da launi a duk masu nuna alama, mai zane ya ƙayyade rukunin ƙarfin hasken gani guda ɗaya (misali, T2) da rukunin launi guda ɗaya (misali, LL) a cikin lissafin kayan (BOM). An zaɓi ci gaba da halin yanzu na 20mA don kowane LED, ta amfani da resistor mai sauƙi da aka ƙididdige daga Vf na yau da kullun (daga rukunin Vf da aka zaɓa, misali, 2.5V na E3) da ƙarfin wutar lantarki. Tsarin PCB ya bi sawun ƙafar shafin da aka ba da shawara, kuma gidan haɗawa yana amfani da bayanin reflow na IR maras gubar da aka bayar. Ana amfani da sassa a cikin rayuwar bene na sa'o'i 168 bayan buɗe jakar.

13. Gabatarwa da Ka'idar Aiki

Diodes masu fitar da haske (LEDs) sune na'urorin semiconductor waɗanda ke fitar da haske lokacin da wutar lantarki ta wuce ta cikinsu. Ana kiran wannan al'amari electroluminescence. A cikin LTSA-S020ZWETA, yankin aiki an yi shi da kayan Indium Gallium Nitride (InGaN), waɗanda aka ƙera don fitar da photons a cikin bakan shuɗi/ultraviolet. Layer na phosphor a cikin kunshin yana ɗaukar wani ɓangare na wannan hasken farko kuma yana sake fitar da shi azaman hasken rawaya. Haɗin sauran hasken shuɗi da hasken rawaya da aka canza yana haifar da fahimtar haske fari. Ruwan tabarau na epoxy mai launin rawaya na waje yana ƙara gyara zafin launi kuma yana ba da kariya ga muhalli da siffa na injiniya na hasken.

14. Trends na Fasaha

Masana'antar optoelectronics na ci gaba da ci gaba a cikin mahimman yankuna da yawa masu dacewa da irin waɗannan sassa: ƙara ingancin haske (ƙarin fitar da haske a kowace watt na shigarwar lantarki), ingantaccen ma'auni na nuna launi (CRI) don fararen LEDs, da mafi girman aminci a ƙarƙashin mawuyacin yanayin muhalli (zafi mafi girma, danshi). Trends na kunshin sun haɗa da ƙananan ƙira, ingantattun kayan gudanar da zafi, da mafi ingantaccen sarrafa gani da aka haɗa a cikin kunshin. Bugu da ƙari, akwai ƙaƙƙarfan ƙoƙari zuwa mafi girman matakan daidaitawa a cikin gwaji, rarrabawa, da cancantar aminci (kamar AEC-Q101) don biyan buƙatun kasuwannin mota da na masana'antu.