Bayanin Fasaha na LED Mai Launin Sama (PLCC-2) - Girman 3.2x2.8x1.9mm - Ƙarfin Lantarki 2.9V - Ƙarfin Wuta 75mW - Takardun Fasaha na Hausa

1. Bayanin Samfur

Wannan takarda ta bayyana cikakkun bayanai game da LED mai launin sama mai ƙarfi a cikin kayan aikin PLCC-2 (Plastic Leaded Chip Carrier) na saman. An ƙera na'urar don aminci da aiki mai kyau a cikin yanayi mai wahala, tana da faɗin kusurwar kallo na digiri 120 da kuma ingancin ma'aunin AEC-Q101 don kayan aikin mota. Babban aikace-aikacensa sun haɗa da hasken yanayi na cikin mota, hasken baya don maɓalli da alamomi, da sauran dalilai na haske na gaba ɗaya inda ake buƙatar launi da haske masu daidaito.

1.1 Fa'idodi na Asali

• Ingantaccen Haske:Yana ba da ƙarfin haske na yau da kullun na 355 millicandelas (mcd) a daidaitaccen ƙarfin kwarara na 10mA, yana tabbatar da fitarwa mai haske da bayyane.
• Faɗin Kusurwar Kallo:Kusurwar kallo na digiri 120 tana ba da rarraba haske iri ɗaya, mai dacewa don hasken panel da alamomi.
• Matsayin Motoci:Ingancin AEC-Q101 yana tabbatar da aminci a ƙarƙashin yanayi masu tsanani na yau da kullun a aikace-aikacen mota, gami da faɗin zafin jiki da girgiza.
• Bin Ka'idojin Muhalli:Samfurin yana bin ka'idojin RoHS (Ƙuntata Abubuwa Masu Hadari) da ƙa'idodin REACH, yana tallafawa masana'antu masu kula da muhalli.
• Kariya Mai Ƙarfi na ESD:Yana jurewa Cirewa na Lantarki (ESD) har zuwa 8kV (Samfurin Jikin Mutum), yana haɓaka aminci na sarrafawa da haɗawa.

2. Bincike Mai zurfi na Sigogi na Fasaha

2.1 Halayen Hoto da Launi

Aikin LED na asali an ayyana shi ta sigoginsa na hoto da launi, wanda aka auna a ƙarƙashin daidaitattun yanayi (T_s=25°C, I_F=10mA sai dai idan an ƙayyade).

• Matsakaicin Ƙarfin Hasken (I_V):355 mcd. Wannan shine babban ma'aunin haske. Ƙananan da mafi girman ƙimomi a ƙarƙashin daidaitattun yanayin gwaji sune 140 mcd da 560 mcd, bi da bi, suna nuna yaduwar samarwa.
• Matsakaicin Launi (CIE x, y):Matsakaicin madaidaicin launi shine (0.16, 0.08), wanda ke ayyana takamaiman launin sama. Jurewar waɗannan madaidaitan shine ±0.005, yana tabbatar da daidaiton launi tsakanin raka'a.
• Kusurwar Kallo (φ):Digiri 120. Wannan shine cikakken kusurwar da ƙarfin haske ya ragu zuwa rabin ƙimar kololuwar sa (sau da yawa ana nuna shi da 2θ_1/2). Jurewar digiri ±5 ya shafi.

2.2 Sigogi na Lantarki da Zafi

• Ƙarfin Lantarki na Gaba (V_F):Yawanci 2.90V a 10mA, tare da kewayon daga 2.75V (Ƙarami) zuwa 3.75V (Mafi girma). Wannan sigogi yana da mahimmanci don ƙirar da'irar iyakancewar kwarara.
• Kwararar Gaba (I_F):Shawararciyar kwararar aiki ta ci gaba shine 10mA (Typ.), tare da matsakaicin ƙimar cikakken ƙima na 20mA. Ana buƙatar mafi ƙarancin kwarara na 2mA don aiki.
• Rushewar Wuta (P_d):Matsakaicin ƙarfin wuta da aka yarda shine 75 mW, wanda ke ƙayyade buƙatun sarrafa zafi.
• Juriya na Thermal:An ba da ƙimomi biyu: R_{th JS(el)}(samfurin lantarki) shine 125 K/W max, kuma R_{th JS(real)}(yanayin gaske) shine 200 K/W max. Waɗannan ƙimomi suna bayyana yadda zafi ke tafiya yadda ya kamata daga haɗin LED zuwa wurin solder.

2.3 Matsakaicin Ƙimar Cikakken Ƙima

Waɗannan ƙimar suna ayyana iyakokin damuwa waɗanda sama da su lalacewa na dindindin na iya faruwa. Ba a garantin aiki a ƙarƙashin waɗannan yanayi ba.

• Zafin Haɗin (T_J):125 °C
• Zafin Aiki/Ajiya (T_opr/T_stg):-40 °C zuwa +110 °C
• Ƙarfin Lantarki na Baya (V_R):Ba a ƙera na'urar don aikin karkatar da baya ba.
• Kwararar Ƙarfafawa (I_FM):300 mA don bugun jini ≤10μs tare da ƙaramin aikin hidima (D=0.005).
• Zafin Solder:Yana jure 260°C na dakika 30 yayin sake narkewar solder.

3. Binciken Lanƙwasa Aiki

3.1 Rarraba Spectral da Radiation

Jadawalin Rarraba Spectral na Dangantaka yana nuna ƙanƙanta kololuwa a yankin tsawon raƙuman ruwa na shuɗi, halayen LED shuɗi tare da rufin phosphor don samar da launin sama. Madaidaicin Zane na Halayen Radiation yana kwatanta tsarin fitarwa mai kama da Lambertian, yana tabbatar da faɗin kusurwar kallo na digiri 120 tare da faɗuwar ƙarfi mai santsi.

3.2 Kwararar Gaba da Ƙarfin Lantarki na Gaba (Lanƙwasa I-V)

Wannan jadawali yana nuna alaƙar ma'auni ta yau da kullun na diode. Lanƙwasa tana ba masu ƙira damar ƙayyade daidai raguwar ƙarfin lantarki don takamaiman ƙarfin tuƙi, wanda ke da mahimmanci don ƙididdige amfani da wuta da zaɓar abubuwan tuƙi masu dacewa.

3.3 Dangantakar Ƙarfin Hasken Dangantaka da Kwararar Gaba

Fitowar haske yana ƙaruwa da ƙarfi tare da kwarara kafin yuwuwar cika a manyan kwararar. Wannan lanƙwasa tana da mahimmanci don fahimtar inganci da kuma ƙirar dusar ƙanƙara (PWM), inda matsakaicin kwarara ke sarrafa haske.

3.4 Dogaro da Zazzabi

Jadawalai da yawa suna cikakken bayani game da canje-canjen aiki tare da zafin jiki:

• Dangantakar Ƙarfin Lantarki na Gaba da Zafin Haɗin:Yana nuna V_Fyana raguwa a layi daya tare da ƙara zafin jiki (coefficient mara kyau na zafin jiki), wanda za'a iya amfani dashi don ganewar zafin jiki.
• Dangantakar Ƙarfin Hasken Dangantaka da Zafin Haɗin:Yana nuna cewa fitarwar haske yana raguwa yayin da zafin jiki ya tashi, wani muhimmin abu ne don sarrafa zafi a cikin aikace-aikace masu haske ko rufaffiyar.
• Canjin Launi da Zafin Haɗin:Yana tsara canjin a cikin madaidaitan CIE x da y, yana nuna ƙaramin motsi, wanda ke da mahimmanci don aikace-aikacen da ke buƙatar kwanciyar hankali na launi akan zafin jiki.

3.5 Ragewa da Sarrafa Bugun Jini

Lanƙwasa Rage Kwararar Gaba tana ƙayyade yadda dole ne a rage matsakaicin kwararar ci gaba da aka yarda yayin da zafin fakitin solder ya ƙaru sama da 25°C. Jadawalin Ƙarfin Sarrafa Bugun Jini ya ayyana kololuwar kwarara (I_F) da aka yarda don ƙananan faɗin bugun jini (t_p) a cikin zagayowar aiki daban-daban, mai amfani don aikace-aikacen strobe ko haɗawa.

4. Bayanin Tsarin Binning

Don sarrafa bambance-bambancen samarwa, ana rarraba LED cikin kwandon bins bisa mahimman sigogi.

4.1 Binning Ƙarfin Hasken

An ayyana tsarin binning mai cikakke tare da lambobi daga L1 zuwa GA. Kowane kwandon yana ƙayyade mafi ƙanƙanta da mafi girman kewayon ƙarfin haske (mcd). Misali, kwandon T1 ya ƙunshi 280 zuwa 355 mcd, kuma T2 ya ƙunshi 355 zuwa 450 mcd. Bangaren na yau da kullun (355 mcd) ya faɗi a ƙasan iyakar kwandon T2. Dole ne masu ƙira su ƙayyade kwandon da ake buƙata lokacin yin oda don tabbatar da daidaiton haske a aikace-aikacensu.

4.2 Binning Launi

Takardun bayanai suna nuni ga \"Tsarin Kwandon Launi na Sama na Sama\" (takamaiman jadawalin CIE bai cika cikakken bayani ba a cikin abin da aka samo). Yawanci, wannan zai zama yanki da aka ayyana akan jadawalin launi na CIE 1931 wanda dole ne madaidaitan LED (x, y) su faɗi cikinsa. Matsakaicin juriya na ±0.005 yana tabbatar da cewa duk raka'a a cikin kwandon launi sun yi daidai da gani.

5. Bayanin Injiniya da Kunshin

5.1 Girman Injiniya

LED yana amfani da daidaitaccen kunshin saman PLCC-2. Muhimman girma (a cikin milimita) yawanci sun haɗa da girman jiki (misali, 3.2mm x 2.8mm), tsayi (misali, 1.9mm), da tazarar jagora. Zane-zane masu daidaito suna da mahimmanci don ƙirar sawun PCB.

5.2 Tsarin Fakitin Solder da Aka Shawarta

An ba da ƙirar ƙirar ƙasa don tabbatar da ingantaccen solder da kuma zubar da zafi yadda ya kamata. Bin wannan shawarar yana hana kabari, karkatar da layi, kuma yana tabbatar da haɗin injiniya da lantarki mai ƙarfi.

5.3 Gano Polarity

Kunshin PLCC-2 yana da alamar polarity da aka gina a ciki, yawanci notch ko kusurwar da aka yanka a jiki. Jagoran cathode (maras kyau) yawanci ana gano shi da wannan alama. Daidaitaccen alkibla yana da mahimmanci don aikin da'ira.

6. Jagororin Solder da Taro

6.1 Bayanin Yanayin Sake Solder

An ƙayyade cikakken bayanin zafin jiki-lokaci don sake narkewar solder. Muhimman sigogi sun haɗa da:

• Matsakaicin Zazzabi:260°C matsakaici.
• Lokaci Sama da Liquidus (TAL):Yawanci dakika 30-60 a cikin takamaiman kewayon (misali, 217-260°C).
• Ƙimar Hawa da Sauƙaƙe:An sarrafa shi don hana girgizar zafi ga kayan aikin.

Bin wannan bayanin yana da mahimmanci don guje wa lalata LED ko lalata amincinsa na dogon lokaci.

6.2 Abubuwan Kariya don Amfani

• Abubuwan Kariya na ESD:Yi amfani da hanyoyin ESD masu aminci da kayan aiki, saboda na'urar tana da hankali ga cirewa na lantarki.
• Iyakance Kwarara:Koyaushe yi amfani da resistor na jerin ko direba mai ci gaba da kwarara don iyakance kwararar gaba zuwa ƙimar da aka ƙayyade. Kada a haɗa kai tsaye zuwa tushen ƙarfin lantarki.
• Gudanar da Thermal:Tabbatar da isassun yanki na tagulla na PCB ko dumama, musamman lokacin aiki a manyan kwararar ko a cikin yanayin yanayi mai girma, don kiyaye zafin haɗin cikin iyakoki.
• Tsaftacewa:Yi amfani da kaushi masu tsaftacewa masu dacewa waɗanda suka dace da kayan kunshin LED.

7. Bayanin Kunshin da Oda

7.1 Ƙayyadaddun Kunshin

Ana ba da LED akan tef da reel don haɗawa ta atomatik. An ƙayyade daidaitattun adadin reel (misali, 2000 ko 4000 guda a kowace reel) da girman tef don dacewa da daidaitattun kayan aikin zaɓi da wuri.

7.2 Tsarin Lambar Bangare

Lambar sashi 57-11-SB0100L-AM tana ɓoye takamaiman halaye:

• 57-11:Wataƙila yana nuna jerin samfur ko nau'in kunshin (PLCC-2).
• SB:Yana nuna launin sama.
• 0100L:Na iya shafi kwandon haske ko takamaiman matakin aiki.
• AM:Zai iya nuna matakin mota ko takamaiman bita.

Tuntubi cikakken jagorar yin oda don zaɓar daidaitattun lambobin kwandon don ƙarfi da launi.

8. Bayanan Aikace-aikace da Abubuwan Ƙira

8.1 Da'irori na Aikace-aikace na Yau da Kullun

Mafi mahimmanci da'irar tuƙi shine tushen ƙarfin lantarki (V_CC) a cikin jerin tare da resistor mai iyakance kwarara (R_S) da LED. An ƙididdige ƙimar resistor kamar: R_S= (V_CC- V_F) / I_F. Misali, tare da samar da 5V da manufa I_Fna 10mA: R_S= (5V - 2.9V) / 0.01A = 210 Ω. Za a yi amfani da resistor 210Ω ko mafi kusancin ƙimar daidaitaccen (220Ω). Don mafi kyawun kwanciyar hankali da inganci, musamman a aikace-aikacen mota, ana ba da shawarar direba IC mai ci gaba da kwarara.

8.2 Ƙira don Yanayin Motoci

• Ƙarfin Lantarki na Wucin Gadi:Tsarin lantarki na abin hawa yana fuskantar zubar da kaya da sauran wucin gadi. Tabbatar da cewa da'irar direba ta haɗa da kariya (misali, diodes TVS, masu sarrafa ƙarfi) don kiyaye ƙarfin lantarki/kwararar LED cikin ƙayyadaddun bayanai.
• Zagayowar Zazzabi:Ƙirar PCB da taro don jure damuwar faɗaɗa/raguwar zafi daga -40°C zuwa +110°C.
• Juriya na Girgiza:Haɗin solder mai ƙarfi, wanda aka samu ta bin shawarar tsarin fakitin da bayanin sake dawowa, yana da mahimmanci.

8.3 Dabarun Dusar Ƙanƙara

Ana iya sarrafa haske ta hanyar:

• Pulse-Width Modulation (PWM):Hanyar da aka fi so. Kunna/kashe LED a mitar da ta isa ba za a iya gani da ido ba (yawanci >100Hz). Matsakaicin kwarara, don haka haske, yana daidai da zagayowar aiki. Wannan hanyar tana kiyaye daidaiton launi.
• Dusar ƙanƙara ta Analog:Rage ƙarfin tuƙi na DC. Wannan ya fi sauƙi amma yana iya haifar da ɗan motsi a cikin madaidaitan launi da ƙarfin lantarki na gaba, kamar yadda aka nuna a cikin jadawalin halaye.

9. Tambayoyin da ake yawan yi (FAQ)

9.1 Menene bambanci tsakanin ƙarfin haske (mcd) da ƙarfin haske (lm)?

Ƙarfin haske yana auna haske a takamaiman alkibla (candelas), yayin da ƙarfin haske yana auna jimillar hasken da ake iya gani a kowane alkibla (lumens). Takardun bayanai na wannan LED suna ƙayyade ƙarfi saboda tushe ne na alkibla tare da ƙayyadadden kusurwar kallo. Ana iya ƙididdige ƙarfin amma ba shine farkon ƙayyadadden ma'auni don wannan nau'in ɓangaren ba.

9.2 Shin zan iya tuƙi wannan LED a 20mA akai-akai?

Duk da cewa matsakaicin ƙimar cikakken ƙima shine 20mA, ci gaba da aiki a wannan kwarara yana buƙatar kulawa da sarrafa zafi don tabbatar da cewa zafin haɗin bai wuce 125°C ba. Dole ne a duba lanƙwasa ragewa bisa ainihin zafin fakitin solder. Don aiki mai aminci na dogon lokaci, ana ba da shawarar tuƙi a ko kusa da na yau da kullun 10mA.

9.3 Ta yaya zan fassara lambobin binning lokacin yin oda?

Dole ne ku ƙayyade duka kwandon ƙarfin haske (misali, T1, T2) da lambar kwandon launi. An ayyana ainihin lambobin kwandon launi da yankunan CIE masu dacewa a cikin cikakken bayanin binning. Yin oda ta lambar sashi kaɗai na iya haifar da kwandon tsoho; don sakamako masu daidaito a cikin batutuwan samarwa, ƙayyadaddun ƙayyadaddun kwandon da ake buƙata yana da mahimmanci.

9.4 Shin ana buƙatar heatsink?

Don aikin ƙaramin kwarara (misali, 10mA) a cikin matsakaicin yanayin yanayi, hanyar zafi ta hanyar fakitin PCB sau da yawa ya isa. Don manyan kwararar, manyan yanayin yanayi, ko lokacin da aka sanya LED da yawa a kusa, ƙara hanyoyin zafi a ƙarƙashin fakitin ko ƙara yankin tagulla akan PCB yana aiki azaman heatsink mai inganci. A cikin matsanancin yanayi, ana iya buƙatar takamaiman PCB mai tushen ƙarfe.