Bayani na RF-A1F30-W269-A2 LED Fari - Girma 3.0x1.4x0.55mm - Wutar Lantarki 2.8-3.4V - Ƙarfi 238mW - Hasken Cikin Mota

1. Taƙaitaccen Bayanin Samfurin

1.1 Bayanin Gabaɗaya

RF-A1F30-W269-A2 LED fari ne da aka yi ta amfani da chip shuɗi da canjin phosphor. Yana zuwa a cikin fakitin EMC (Epoxy Molding Compound) mai ƙarami 3.00mm x 1.40mm x 0.55mm, wanda aka ƙera don fasahar hawa saman. Fakitin yana bayar da kusurwar kallo mai faɗin digiri 120, wanda ya dace da haskakawa daidai a cikin wurare matsatstsu. Wannan LED ya cancanta a ƙarƙashin gwajin damuwa AEC-Q101 don na'urorin semiconductor masu daraja na mota, yana tabbatar da babban aminci don aikace-aikacen hasken cikin mota.

1.2 Fasaloli

• Fakitin EMC don kyakkyawan zubar da zafi da aminci.
• Kusurwar kallo mai faɗi sosai (120° na yau da kullun).
• Ya dace da duk matakan hawa SMT da tafiyar walda.
• Ana ba da shi a kan tef da reel (5000 guda/reel).
• Matakin jin danshi: Mataki na 2 (MSL 2).
• Ya bi umarnin RoHS da REACH.
• Cancantar bisa ga jagororin AEC-Q101 don aikace-aikacen mota.

1.3 Aikace-aikace

• Hasken cikin mota (dashboard, hasken rufin, hasken yanayi).
• Maɓallai da alamomi a cikin mota da allunan masana'antu.

2. Bayanin Fakitin da Injiniya

2.1 Girman Fakitin

LED yana da sawun kallon sama na 3.0mm x 1.4mm tare da tsayi na 0.55mm. Kallon ƙasa yana nuna matashin zafi na tsakiya da matashin anode/cathode guda biyu. An yi alamar polarity ta alamar '+' a kan fakitin. Duk girma a millimita ne tare da haƙuri na ±0.2mm sai dai in an faɗi akasin haka.

2.2 Tsarin Walda

Tsarin walda da aka ba da shawarar ya haɗa da matashin murabba'i biyu don anode da cathode da matashin tsakiya mafi girma don zubar da zafi. Girma: matashin anode 0.5mm x 0.86mm, matashin cathode 1.0mm x 0.91mm, da matashin tsakiya 1.6mm x 2.61mm (ƙimanin). Daidaitaccen jeri yana tabbatar da ingantaccen sarrafa zafi.

2.3 Alamar Polarity

Anode an yi masa alama da alamar '+' a saman, kuma cathode yana daidai da ɗayan gefe. Kallon ƙasa yana nuna matashai biyu masu alamar A (anode) da C (cathode). Dole ne a kiyaye polarity daidai don guje wa lalacewar wutar baya.

3. Sigogin Fasaha

3.1 Halayen Wutar Lantarki / Hasken gani (a Ts=25°C, IF=60mA)

• Wutar Gaba (VF):Mafi ƙanƙanta 2.8V, Na yau da kullun 3.1V, Mafi girma 3.4V
• Wutar Baya (IR):Ba a ƙera don aiki na baya ba; zubewa na yau da kullun yana da ƙanƙanta sosai a VR=5V.
• Hasken Madaukaki (Φ):Mafi ƙanƙanta 17.7 lm, Na yau da kullun 24 lm, Mafi girma 26.9 lm
• Kusurwar Kallo (2θ1/2):Na yau da kullun 120°
• Juriya na Zafi (RTHJ-S):Na yau da kullun 21°C/W (daga haɗin gwiwa zuwa wurin walda)

3.2 Matsakaicin Ƙarfi Da Yake Iya Jurewa

• Rushewar Ƙarfi (PD):238 mW
• Wutar Gaba (IF):70 mA (DC), 120 mA (kololuwa, 1/10 aiki, bugun 10ms)
• Wutar Baya (VR):Ba a ƙera don aiki na baya ba
• ESD (HBM):8000 V (90% yawan amfani)
• Zazzabi na Aiki (TOPR):-40°C zuwa +110°C
• Zazzabi na Ajiya (TSTG):-40°C zuwa +110°C
• Zazzabi na Haɗin gwiwa (TJ):125°C

4. Yankunan Kashi da Alamar Launi

4.1 Yankunan Wutar Gaba da Hasken Madaukaki

Ana rarraba LED zuwa kashi a cikin jeri na wutar lantarki guda shida (G1: 2.8-2.9V, G2: 2.9-3.0V, H1: 3.0-3.1V, H2: 3.1-3.2V, I1: 3.2-3.3V, I2: 3.3-3.4V) da kuma kashi na haske guda huɗu (JB: 17.7-19.6 lm, KA: 19.6-21.8 lm, KB: 21.8-24.2 lm, LA: 24.2-26.9 lm). Ana haɗa kashi don tantance takamaiman haɗin VF da haske don daidaitaccen aiki a samarwa.

4.2 Yankunan Launi

Zane mai launin CIE yana nuna kashi uku na launi: IA7, IA8, da IA9. An bayar da daidaitawar su a Tebur 1-4. Wadannan kashi suna wakiltar yankin fari mai dumi tare da yawan zazzabi na launi kusan 3000K-4000K (na yau da kullun don amfanin cikin mota). An sarrafa daidaitawar kashi sosai don tabbatar da daidaiton launi a cikin samarwa.

5. Hanyoyin Aiki na Yau da Kullun

5.1 Wutar Gaba da Wutar Gaba

Hanyar VF-IF (Fig. 1-7) tana nuna dangantaka kusan mike daga 0mA zuwa 140mA. A 60mA wutar gaba tana kusan 3.1V na yau da kullun. Ya kamata masu ƙira su yi la'akari da wannan lokacin lissafin rushewar ƙarfi da ƙimar resistor mai iyakance wutar.

5.2 Wutar Gaba da Ƙarfin Dangantaka

Hasken madaukaki na dangantaka yana ƙaruwa tare da wutar gaba amma yana bin hanyar cikawa. A 60mA ƙarfin yana kusan 100% na dangantaka. Yin aiki a ƙananan wutar yana ba da inganci mafi girma, yayin da manyan wutar ke matsawa zuwa iyakokin zafi.

5.3 Zazzabi na Walda da Ƙarfin Dangantaka

Yayin da zazzabin wurin walda ya tashi daga 20°C zuwa 120°C, ƙarfin dangantaka yana raguwa da kusan 15% (daga 100% zuwa ~85%). Zubar da zafi mai kyau yana da mahimmanci don kiyaye hasken fitarwa a yanayin zafi mai girma.

5.4 Zazzabi na Walda da Wutar Gaba

Don guje wa wuce iyakar zazzabin haɗin gwiwa na 125°C, dole ne a rage wutar gaba yayin da zazzabin wurin walda ya ƙaru. A Ts=100°C, an rage wutar da aka yarda zuwa kusan 40mA daga 70mA a 25°C.

5.5 Wutar Gaba da Zazzabi na Walda

Wutar gaba tana raguwa daidai gwargwado tare da ƙaruwar zazzabi a gudun kusan -2 mV/°C. Wannan haɗin zafi yana da mahimmanci don ƙirar direban wutar akai-akai, saboda canjin wutar na iya shafar daidaita wutar.

5.6 Tsarin Haskewa

LED yana nuna tsarin haskewa irin na Lambertian tare da rarraba kusurwa mai faɗi. Ƙarfin dangantaka a ±60° yana kusan 50% na ƙimar kan-axis, yana tabbatar da ƙayyadaddun kusurwar kallo na 120°.

5.7 Wutar da Canjin Launi

Canjin daidaitawar CIE-x da CIE-y yana cikin ±0.005 a cikin kewayon wutar gaba daga 20mA zuwa 120mA a Ts=25°C. Wannan yana nuna kwanciyar hankali na launi a cikin yanayin tuki na yau da kullun.

5.8 Rarraba Bakan

Bakan haskewa yana tashi daga 400nm zuwa 750nm tare da kololuwa kusa da 450nm (chip shuɗi) da kuma fitarwa mai faɗi na phosphor a yankin rawaya-kore. Hanyar ƙarfin dangantaka tana nuna siffar bakan LED fari na yau da kullun, wanda ya dace da haskakawa gabaɗaya tare da kyakkyawan nuna launi a cikin mota.

6. La'akarin Ƙirar Aikace-aikace

6.1 Sarrafa Zafi

Tare da matsakaicin rushewar ƙarfi na 238 mW da juriyar zafi na 21°C/W, LED na iya samar da dumama kansa mai mahimmanci. Kyakkyawan ƙirar zafi na PCB (misali, amfani da hanyoyin zafi da filin jan ƙarfe) yana da mahimmanci don kiyaye zazzabin haɗin gwiwa ƙasa da 125°C. A aikace-aikacen mota, yanayin zafi na iya kaiwa 85°C ko fiye, yana buƙatar rage wutar gaba kamar yadda aka nuna a hanyar ragewa (Fig. 1-10).

6.2 Kariya daga Fitowar Wutar Lantarki

Ƙimar ESD ita ce 8000V HBM, amma har yanzu ana buƙatar matakan kula. Yi amfani da wuraren aiki na ƙasa, madauri na hannu masu hana tsayayyen wuta, da marufi masu gudanarwa. Ka guji tuntuɓar ruwan tabarau na silicone kai tsaye don hana gurɓacewar barbashi da lalacewar injiniya.

6.3 Ƙirar Kewayawa

Koyaushe yi amfani da resistor mai iyakance wutar ko direban wutar akai-akai don hana wuce gona da iri. Hakurin wutar gaba yana nufin cewa tuƙi mai sauƙi na wutar na iya haifar da canjin wutar. Don tsararru na layi daya, yi la'akari da rarraba ƙungiyoyin VF ko amfani da resistor guda ɗaya. Dole ne a guji wutar baya; ana iya ƙara diode mai toshewa idan za a iya samun polarity baya.

7. Jagororin Walda da Hawa

7.1 Bayanin Walda na SMT Reflow

Bayanan reflow da aka ba da shawarar (Fig. 3-1) yana ƙayyade yankin preheat daga 150°C zuwa 200°C na daƙiƙa 60-120, hawan zuwa 217°C tare da matsakaicin lokaci sama da 217°C na daƙiƙa 60, da kuma kololuwar zazzabi na 260°C har zuwa daƙiƙa 10 (cikin 5°C na kololuwa). Gudun sanyaya bai kamata ya wuce 6°C/s ba. An yarda da zagayowar reflow guda biyu kawai, kuma idan fiye da sa'o'i 24 sun wuce tsakanin zagayowar, dole ne a gasa LEDs kuma.

7.2 Walda da Hannu da Gyara

Idan walda da hannu ya zama dole, yi amfani da zazzabin kan ƙarfe na walda ƙasa da 300°C na ƙasa da daƙiƙa 3. An yarda da aikin walda da hannu guda ɗaya kawai. Ba a ba da shawarar gyara bayan reflow ba; idan ba za a iya kaucewa ba, yi amfani da ƙarfe mai kai biyu kuma tabbatar da cewa halayen LED ba su lalace ba.

7.3 Matakan Kula

Ruwan silicone mai rufewa yana da laushi. Ka guji matsa lamba a saman. Kada ka yi amfani da manne da ke fitar da tururin halitta. Ka guji fallasa ga mahaɗan sulfur sama da ppm 100, mahaɗan bromine da chlorine sama da ppm 900 kowanne, da jimillar halogens sama da ppm 1500. Yi amfani da isopropyl alcohol don tsaftacewa idan an buƙata; ba a ba da shawarar tsaftacewar ultrasonic ba.

7.4 Yanayin Ajiya

Jakunkuna masu hana danshi da ba a buɗe ba ana iya adana su a ≤30°C da ≤75% RH har zuwa shekara ɗaya. Bayan buɗewa, ya kamata a yi amfani da LEDs a cikin sa'o'i 24 (≤30°C, ≤60% RH). Idan ba a yi amfani da su a cikin wannan lokacin ba, toya a 60±5°C na fiye da sa'o'i 24. Idan na'urar bushewa ta ɓace ko kuma marufi ya lalace, ana buƙatar toya.

8. Marufi da Ajiya

8.1 Ƙayyadaddun Marufi

Ana ba da LEDs a kan tef mai 8mm tare da reels diamita 178mm, kowanne yana ɗauke da guda 5000. Tef yana da jagora da ja daga baya na aljihu marasa komai 80-100. Diamita na cibiya reel shine 60mm kuma ramin arbor shine 13mm. Bayanin lakabin ya haɗa da lambar sashi, lambar ƙayyadaddun bayanai, lambar lot, lambar kashi, haske mai madaukaki, kashi na launi, wutar gaba, lambar igiyar ruwa, yawa, da kwanan wata.

8.2 Jin Danshi da Toyawa

Samfurin shine MSL Mataki na 2. Idan rayuwar bene (sa'o'i 24) ta wuce, ana buƙatar toya a 60±5°C na fiye da sa'o'i 24. Bayan toya, ya kamata a yi amfani da na'urar a cikin lokacin da aka ƙayyade ko a sake toya. Bi jagororin kula da jin danshi na JEDEC.

8.3 Shawarwarin Ajiya

Ajiye jakar da aka rufe a wuri mai bushe da sanyi. Ka guji fallasa ga hasken rana kai tsaye ko zafi mai yawa. Don ajiya na dogon lokaci, kiyaye zazzabi ƙasa da 30°C da zafi ƙasa da 75% RH.

9. Gwajin Dogaro

9.1 Abubuwan Gwaji da Yanayi

Gwajin dogaro sun haɗa da: Reflow (260°C, 10 sec, 2x), Girgizar Zafi (-40°C zuwa 125°C, 15 min tsayawa, 1000 zagayowar), Ajiya a Babban Zazzabi (125°C, 1000h), Ajiya a Ƙananan Zazzabi (-40°C, 1000h), Gwajin Rayuwa (25°C, IF=60mA, 1000h), Gwajin Rayuwa a Babban Zazzabi da Babban Zafi (85°C/85% RH, IF=60mA, 1000h), da Ajiya a Zazzabi da Zafi (85°C/85% RH, 1000h). Ma'aunin karɓa: 0 gazawa a cikin samfuran 20.

9.2 Ma'aunin Gazawa

Ana ayyana gazawa a matsayin: VF wuce U.S.L. x 1.1, IR wuce U.S.L. x 2.0, ko haske mai madaukaki ya faɗi ƙasa da L.S.L. x 0.7 (U.S.L. = babban iyakar ƙayyadadden, L.S.L. = ƙananan iyakar ƙayyadadden). Wadannan ma'auni suna tabbatar da cewa LED har yanzu yana cika mafi ƙarancin aiki bayan gwajin damuwa.

10. Misalan Aikace-aikace

A cikin hasken cikin mota, ana iya amfani da wannan LED don haskakawa na dashboard, fitilun alamomi, da tarkacen hasken yanayi. Ƙananan girmansa (3.0x1.4mm) yana ba da damar sanyawa a wurare matsatstsu, yayin da kusurwar kallo na 120° ke ba da haske mai faɗi. Cancantar AEC-Q101 tana ba da tabbacin dogaro a ƙarƙashin yanayin mota masu tsanani (girgiza, matsanancin zazzabi). Don haskakawa na maɓalli, yawan haske mai girma (har zuwa 26.9 lm a 60mA) yana tabbatar da bayyane a fili ko da a hasken rana. Masu ƙira za su iya ƙirƙirar sandunan haske masu daidaituwa ta hanyar sanya LEDs da yawa a kan PCB tare da ingantaccen sarrafa zafi.

11. Hanyoyin Fasaha

Hanyar hasken LED na mota tana zuwa ga ƙananan fakitoci masu inganci mafi girma da kyakkyawan aikin zafi. Fakitin EMC irin wannan yana maye gurbin fakitin PPA/PCT na gargajiya saboda kyakkyawan juriyar zafi da aminci. Bugu da ƙari, tura don tuki mai cin gashin kansa da tsarin taimakon direba na ci gaba (ADAS) yana ƙara buƙatar LEDs masu dogaro waɗanda za su iya jure girgiza da zagayowar zazzabi. Daidaiton launi da rarrabuwa (kamar yadda aka bayar a nan) suma suna da mahimmanci ga masu kera mota waɗanda ke buƙatar haske iri ɗaya a cikin batches daban-daban na samarwa. Ci gaba na gaba na iya haɗawa da inganci mafi girma (misali, >200 lm/W don LEDs fari) da haɗa kayan fasaha masu wayo (misali, LEDs masu iya magancewa don haske mai canzawa).