Takaddun Fasaha na LED Ra'ayar 3.5x2.8x1.85mm - Ƙarfin Gaba 3.0V - Ƙarfin Wuta 0.238W - Kallon 120°

1. Bayani na Samfurin

RF-A2A31-WYS8-A4 wani LED mai haske ne da aka kera ta amfani da guntu mai shuɗi da fasahar canza phosphor. Na'urar tana cikin kunshe PLCC4 mai ƙarami wanda girman sa shine 3.50 mm × 2.80 mm × 1.85 mm. An tsara shi don cika ƙa'idodin matsananci na aikace-aikacen haskaka mota, duka ciki da waje, kuma ya cancanta a ƙarƙashin ma'aunin gwajin damuwa na AEC-Q101 don na'urorin semiconductor masu daraja na mota.

Babban fa'idodin sun haɗa da kusurwa mai faɗi sosai na 120°, dacewa da tsarin taro na SMT na yau da kullun da aikin sakewar reflow, da matakin hankali na danshi na 2. LED ya bi umarnin RoHS da REACH, yana tabbatar da amincin muhalli.

2. Bincike Mai Zurfi na Sigogin Fasaha

2.1 Halayen Lantarki da Gani (Ts = 25°C)

Ana gwada LED a wutar lantarki ta gaba na 50 mA. A ƙarƙashin wannan yanayin, ƙarfin lantarki na gaba (VF) yana daga 2.8 V (ƙarami) zuwa 3.4 V (matsayi), tare da ƙimar yau da kullun na 3.0 V. Ƙarfin baya (IR) a ƙarfin lantarki na baya na 5 V bai wuce 10 µA ba. Ƙarfin haske (IV) an ƙayyade tsakanin 3500 mcd da 6500 mcd, tare da ƙimar yau da kullun na 5300 mcd. Kusurwar kallo (2θ½) yawanci 120°.

2.2 Matsayin Matsanancin Matsayi

Matsayin matsanancin matsayi a zafin jiki na walda na 25°C sune kamar haka: fitar da wutar (PD) 238 mW, wutar gaba (IF) 70 mA, wutar gaba mafi girma (IFP) 100 mA (a zagaye na 1/10, nisa na bugun jini 10 ms), ƙarfin lantarki na baya (VR) 5 V, fitar da lantarki (HBM) 2000 V, yankin zafin aiki (TOPR) -40°C zuwa +100°C, yankin zafin ajiya (TSTG) -40°C zuwa +100°C, da zafin haɗin gwiwa (TJ) 120°C.

2.3 Halayen Zafi

Juriya na zafi daga haɗin gwiwa zuwa wurin walda (RTHJ-S) an ƙayyade mafi girman 180°C/W. Gudanar da zafi da kyau yana da mahimmanci don kiyaye zafin haɗin gwiwa ƙasa da matsakaicin ƙima, saboda haɓaka zafi yana rage fitarwar haske kuma yana canza launi.

3. Bayanin Tsarin Binning

3.1 Binning na Ƙarfin Lantarki da Ƙarfin Hasken (IF = 50 mA)

Ana rarraba LED cikin bins don ƙarfin lantarki na gaba da ƙarfin haske. Bins na ƙarfin lantarki na gaba an ayyana su: G1 (2.8-2.9 V), G2 (2.9-3.0 V), H1 (3.0-3.1 V), H2 (3.1-3.2 V), I1 (3.2-3.3 V), I2 (3.3-3.4 V). Bins na ƙarfin haske sune: O2 (3500-4300 mcd), P1 (4300-5300 mcd), P2 (5300-6500 mcd).

3.2 Binning na Chromaticity

Tsarin chromaticity CIE yana nuna bin quadrilateral mai suna 5E. Maki huɗun sune: (0.5536, 0.4221), (0.5764, 0.4075), (0.5883, 0.4111), (0.5705, 0.4289). Wannan yana tabbatar da daidaituwar launi mai ƙarfi don aikace-aikacen haskaka mota inda daidaituwar launi ke da mahimmanci.

4. Nazarin Lanƙwasa Ayyuka

4.1 Ƙarfin Lantarki na Gaba da Ƙarfin Gaba

Ƙarfin lantarki na gaba yana ƙaruwa ba daidai ba tare da wutar gaba. A 50 mA ƙarfin yau da kullun shine 3.0 V; a 70 mA ƙarfin yana tashi zuwa kusan 3.1 V.

4.2 Ƙarfin Gaba da Ƙarfin Hasken Dangantaka

Ƙarfin hasken dangantaka yana ƙaruwa tare da wutar har zuwa 70 mA, yana kaiwa kusan 130% na ƙimar a 50 mA. Lanƙwasa tana nuna ɗan ƙaramin juyowa a manyan wutar.

4.3 Halayen Zafin Jiki

Zafin walda (Ts) yana shafar duka ƙarfin lantarki na gaba da ƙarfin hasken dangantaka. Yayin da Ts ya tashi daga 20°C zuwa 100°C, ƙarfin lantarki na gaba yana raguwa a layi da kusan 0.15 V, yayin da ƙarfin hasken dangantaka ya faɗi da kusan 15%. Matsakaicin wutar gaba da aka yarda shima yana raguwa tare da zafi, daga 70 mA a 25°C zuwa kusan 40 mA a 100°C.

4.4 Tsarin Haske

Tsarin haske yana kama da Lambertian, tare da rabin kusurwa kusan ±60° don 50% na ƙarfin hasken dangantaka. Kusurwar kallo (120°) tana tabbatar da ɗaukar hoto mai faɗi don fitilun sigina na mota.

4.5 Canjin Haɗin Chromaticity da Ƙarfin Gaba

Haɗin CIE x da y suna canjawa kaɗan tare da wutar. A 50 mA maki na yau da kullum yana kusa da (0.57, 0.43). Ƙara wutar zuwa 85°C yana haifar da ɗan ƙaramin canji a yankin rawaya, yana kasancewa a cikin bin 5E.

4.6 Rarraba Siffar Haske

Siffar haske tana ƙara kololuwa a kusan 590 nm, tare da cikakken nisa a rabin matsakaici (FWHM) na kusan 15 nm. Siffar ba ta nuna kololuwa na biyu ba, yana tabbatar da haske rawaya mai tsafta.

5. Bayanin Injiniya da Kunshe

5.1 Girman Kunshe

Kunshen yana da tsawon 3.50 mm, faɗin 2.80 mm, da tsayin 1.85 mm. Matsakaicin juriyar sa shine ±0.2 mm. Duban sama yana nuna alamar polarity (cathode) a filin 2. Duban ƙasa yana da fale-falen huɗu: filin 1 shine cathode, filin 2 shine anode, filin 3 da 4 sune tallafin injiniya (ba a haɗa su ba).

5.2 Tsarin Walda

Tsarin ƙasa na PCB da aka ba da shawara: girman fale-falen 0.80 mm × 0.70 mm ga kowane fil, tare da fale-falen zafi na tsakiya na 2.60 mm × 1.60 mm (na zaɓi). Nisa tsakanin cibiyoyin fale-falen shine 2.20 mm.

5.3 Gane Polarity

Alamar polarity wani ɗan ƙaramin ƙusoshin ne a saman kunshen, wanda yake daidai da gefen cathode.

6. Jagoran Walda da Taro

6.1 Tsarin Sakewar Reflow

Tsarin reflow da aka ba da shawara ya dogara da JEDEC J-STD-020. Fara zafi daga 150°C zuwa 200°C na tsawon 60-120 seconds. Matsakaicin haɓaka: max 3°C/s. Lokaci sama da 217°C (TL): max 60 seconds. Matsakaicin zafi (TP): 260°C na tsawon har zuwa 10 seconds. Matsakaicin sanyaya: max 6°C/s. Jimlar lokaci daga 25°C zuwa kololuwa: max 8 mintuna. LED na iya jure zagaye biyu na reflow; idan fiye da awanni 24 suka shuɗe tsakanin zagaye, ana buƙatar gasa.

6.2 Walda da Hannu

Idan an buƙaci walda da hannu, yi amfani da ƙarfe mai zafi a ≤300°C na ≤3 seconds, kuma sau ɗaya kawai a kowane haɗin.

6.3 Ajiya da Gudanarwa

Buhunan shinge na danshi da ba a buɗe ba ana iya adana su a ≤30°C da ≤75% RH na tsawon shekara 1. Bayan buɗe, yi amfani da su cikin awanni 24 a ≤30°C da ≤60% RH. Idan ajiya ya wuce waɗannan iyakokin, gasa a 60±5°C na ≥24 hours. Saman LED yana da laushi na silicone; guji matsa lamba na injiniya. Kar a yi amfani da tsaftacewa na ultrasonic; ana ba da shawara akan isopropyl alcohol.

7. Bayanin Kunshe da Oda

Ana ba da LED a kan tef da reel tare da 2000 guda a kowane reel. Girman tef na jigilar kaya: faɗin 8.0 mm, tazara 4.0 mm, girman rami 3.50 mm × 2.80 mm × 1.70 mm. Girman reel: A = 330 mm, B = 100 mm, C = 13.0 mm, D = 8.0 mm. Kowane reel yana ɗauke da lakabi tare da lambar sashi, lambar ƙayyade, lambar lot, lambar bin, hasken haske, bin chromaticity, ƙarfin lantarki na gaba, lambar tsawon igiyoyin haske, adadi, da lambar kwanan wata. Kunshe na ƙarshe ya haɗa da buhun shinge na danshi da akwatin kwali.

8. Shawarwarin Aikace-aikace

Wannan LED rawaya ya dace sosai don haskaka cikin mota (yanayi, fitilun karatu) da sigina na waje (fitilun juyawa, fitilun birki). Saboda kusurwar kallo mai faɗi da haske mai girma, shima ya dace da aikace-aikacen alamar gabaɗaya. Masu tsarawa yakamata su tabbatar da gudanar da zafi mai isa don kiyaye zafin haɗin gwiwa ƙasa da 120°C. Resistor mai iyakance wutar yana wajibi don hana ƙarfin wuta. Don layukan layi daidai, yi la'akari da daidaita wutar saboda bin VF. LED ya cancanta da AEC-Q101, yana mai dacewa da yanayin mota mai wuyar gaske.

9. Kwatancen Fasaha

Idan aka kwatanta da LED rawaya na tushen fim na PI na al'ada, wannan na'urar da ta canza phosphor tana ba da kwanciyar hankali mafi girma na launi da kusurwar kallo mai faɗi. Kunshen PLCC4 yana ba da damar taro na PCB cikin sauƙi da kuma yada zafi mafi kyau fiye da ƙananan kunshe kamar 3014. Cancantar AEC-Q101 ya bambanta shi daga LED na kasuwanci na yau da kullun, yana ba da ingantaccen dogaro don aikace-aikacen mota.

10. Tambayoyin Da Aka Saba Yi

Tambaya: Menene ƙarfin lantarki na gaba na yau da kullun a 50 mA?Amsa: 3.0 V, tare da kewayon 2.8 V zuwa 3.4 V.

Tambaya: Za a iya amfani da wannan LED don haskaka waje na mota?Amsa: Ee, ya cancanta da AEC-Q101 kuma ana ba da shawara don amfani da ciki da waje.

Tambaya: Nawa zagaye na reflow aka yarda?Amsa: Matsakaici zagaye biyu. Idan fiye da awanni 24 tsakanin zagaye, gasa kafin reflow na biyu.

Tambaya: Menene lokacin ajiya da aka ba da shawara bayan buɗe buhun?Amsa: Yi amfani da cikin awanni 24 a ≤30°C / ≤60% RH.

Tambaya: Shin LED yana buƙatar mai zafi?Amsa: Don manyan wutar motsa jiki ko manyan yanayin zafi, gudanar da zafi ya zama dole. Zafin haɗin gwiwa bai kamata ya wuce 120°C ba.

11. Misalan Aikace-aikace Masu Amfani

Misali 1: Module na Juyawa na Mota
Tsararrun LED shida na RF-A2A31-WYS8-A4 da aka yi amfani da su a cikin fitila ta baya. Kowane LED ana motsa shi a 50 mA tare da tsarin resistor gama gari, yana samun jimlar ƙarfin haske na 32000 mcd. Kusurwar kallo mai faɗi 120° ta cika buƙatun sigina na SAE. Simulation na zafi ya nuna zafin haɗin gwiwa na 85°C a yanayin 60°C, yana ƙasa da iyaka.

Misali 2: Alamar Dashboard
LED guda ɗaya da aka yi amfani da shi azaman fitilar gargadi. Ana motsa shi a 30 mA don rage zafi, har yanzu yana ba da haske na 3500 mcd. Kunshen PLCC4 mai ƙarami ya dace da ƙaramin yanki na PCB. Babu buƙatar ƙarin mai zafi.

12. Gabatarwar Ka'ida

Ana samun haske rawaya ta hanyar rufe guntu LED InGaN mai shuɗi da phosphor YAG:Ce mai fitar da rawaya. Hasken shuɗi (450-460 nm) wani ɓangare yana motsa phosphor, wanda ke fitar da haske rawaya (550-600 nm). Haɗin yana samar da siffa mai faɗi wanda ake ganin rawaya. Wannan hanyar tana ba da inganci mai girma da kwanciyar hankali mai kyau na launi idan aka kwatanta da guntu rawaya kai tsaye.

13. Hanyoyin Ci Gaba

LED masu canza phosphor suna ci gaba da mamaye kasuwar mota saboda fa'idodin farashi da aiki. Hanyoyin gaba sun haɗa da ƙananan ƙafafu (misali 3030), inganci mafi girma (100+ lm/W), da ingantaccen juriya na zafi don rage raguwa. Cancantar AEC-Q102 (tsawaita Q101) yana zama dole don LED na mota. Haɗin kariya na ESD da ƙaramin bin chromaticity (ellipses na MacAdam) suma ana sa ran.