LED 2.7x2.0x0.6mm Fari 3.4V 714mW Specification RF-A3E27-W60E-B1

1. Bayanin Samfur

RF-A3E27-W60E-B1 wani LED fari ne mai inganci wanda aka kera don amfani a cikin mota da waje. Yana amfani da chip blue tare da phosphor don samar da haske fari. An saka shi a cikin wani ƙaramin 2.7mm x 2.0mm x 0.6mm EMC (Epoxy Molding Compound) package, wanda ke ba da kyakkyawan kula da zafi da aminci. Tare da gudun gaba na 150mA da matsakaicin iko na 714mW, wannan LED yana ba da haske daga 55.3 zuwa 83.7 lumens. An tabbatar da shi bisa ga gwajin AEC-Q102 don semiconductor na mota, yana tabbatar da ƙarfi a yanayin aiki mai wahala.

2. Binciken Fasaha Mai Zurfi

2.1 Halaye na Lantarki da Haske (Ts=25°C)

• Gudun Gaba (VF):2.8V – 3.4V (yawanci 3.1V) a IF=150mA.
• Gudun Komawa (IR):≤10 µA a VR=5V.
• Haske Mai Haske (Φ):55.3 lm – 83.7 lm a IF=150mA.
• Kusurwar Gani (2θ½):120° (yawanci).
• Juriya na Zafi (RTHJ-S real):21°C/W yawanci, 32°C/W mafi girma; (RTHJ-S el): 13°C/W yawanci, 20°C/W mafi girma.

2.2 Matsakaicin Iyaka

• Iko (PD):714 mW
• Gudun Gaba (IF):210 mA (ci gaba)
• Gudun Gaba Kololuwa (IFP):300 mA (1/10 zagaye, 10ms faɗin bugu)
• Gudun Komawa (VR):5 V
• ESD (HBM):8000 V (90% samarwa)
• Zazzabi na Aiki (TOPR):-40°C zuwa +125°C
• Zazzabi na Ajiya (TSTG):-40°C zuwa +125°C
• Zazzabi na Junction (TJ):150°C mafi girma

A 25°C, gwajin bugu, ingancin canza haske ηe = 39%. Tolerans na auna gudun gaba ±0.1V, tolerans na yanayin launi ±0.005, kuma tolerans na haske ±10%.

3. Tsarin Rabe-Rabe

Ana raba LED bisa gudun gaba da haske a IF=150mA.

3.1 Rukunan Gudun Gaba

• G0: 2.8 – 3.0V
• H0: 3.0 – 3.2V
• I0: 3.2 – 3.4V

3.2 Rukunan Haske

• PA: 55.3 – 61.2 lm
• PB: 61.2 – 67.8 lm
• QA: 67.8 – 75.3 lm
• QB: 75.3 – 83.7 lm

Rukunan chromaticity (VM1 zuwa VM7) an ayyana su bisa ga CIE 1931 diagram, tare da coordinates da aka bayar a cikin takardar bayanai. Waɗannan rukunoni suna tabbatar da daidaiton launi ga ma'aunin hasken mota (misali ECE).

4. Nazarin Layukan Aiki

Layukan haske da lantarki na yau da kullun suna nuna halin LED a yanayi daban-daban:

• Gudun Gaba vs. Gudun Gaba (Fig.1-7):Gudun gaba yana ƙaruwa da gudun, daga ~2.8V a 30mA zuwa ~3.4V a 210mA. Wannan alama ce ta LED na InGaN.
• Gudun Gaba vs. Haske Mai Dangantaka (Fig.1-8):Haske yana ƙaruwa kusan linzami da gudun har zuwa 210mA, tare da ɗan cikewa a manyan gudun.
• Zazzabi na Junction vs. Haske Mai Dangantaka (Fig.1-9):Yayin da zazzabi na junction ya tashi daga -40°C zuwa 140°C, haske mai dangantaka yana raguwa da kusan 20%, yana nuna muhimmancin kula da zafi.
• Zazzabi na Solder vs. Gudun Gaba (Fig.1-10):Matsakaicin gudun gaba da aka yarda yana raguwa tare da ƙaruwar zazzabin solder don hana zafi fiye da kima.
• Canjin Gudun vs. Zazzabi na Junction (Fig.1-11):Gudun gaba yana raguwa da zazzabi a kusan -2 zuwa -4 mV/°C.
• Zane na Raddiyo (Fig.1-12):LED yana nuna tsarin haske na Lambertian mai faɗi tare da kusurwa rabin ƙarfi ±60°, mai dacewa da haske daidaitacce.
• Canjin Yanayin Launi vs. Zazzabi da Gudun (Fig.1-13, 1-14):Canje-canjen launi suna da ƙanana, a cikin ±0.02 CIE raka'a a kan yankin aiki.
• Rarraba Spectrum (Fig.1-15):Spectrum na haske yana kololuwa a kusa da 450nm (blue) tare da babban band na phosphor wanda ya rufe 500-700nm, alama ce ta LED fari da phosphor.

5. Bayanin Injiniya da Packaging

5.1 Girman Package

Package na LED yana da girman 2.70mm (tsawo) × 2.00mm (fadi) × 0.60mm (tsayi) tare da tolerans na ±0.2mm sai dai in an faɗi. Duban kasa yana nuna 1.20mm × 1.30mm pad na zafi da alamomin anode/cathode. Ana ba da girman tsarin soldering da aka ba da shawara don tabbatar da isasshen watsar zafi da haɗin lantarki.

5.2 Polarity

Ana nuna cathode ta wani ƙaramin notch a kan package. Dole ne a kiyaye polarity daidai yayin haɗawa.

6. Jagoran Solder da Haɗawa

6.1 Tsarin Solder Reflow

Tsarin reflow da aka ba da shawara ya dogara da ma'aunin JEDEC:

• Matsakaicin hawan hawa: ≤3°C/s
• Preheat: 150°C zuwa 200°C na 60-120 seconds
• Lokaci sama da 217°C: 60s mafi girma
• Matsakaicin zazzabi: 260°C na 10s mafi girma
• Gudun sanyaya: ≤6°C/s

Solder reflow bai kamata ya wuce zagaye biyu ba. Idan fiye da sa'o'i 24 suka wuce tsakanin zagaye, LEDs na iya ɗaukar danshi kuma su lalace.

6.2 Kariya Yayin Aiki

• Kada a sanya damuwa na inji yayin dumama ko sanyaya.
• Ka guji karkatar da PCB bayan solder.
• Yi amfani da ƙarfe na solder mai kai biyu don duk wani gyara da ake buƙata.
• Nozzles na pick-and-place ya kamata su sanya ƙananan matsi ne kawai a kan saman silicone.

6.3 Ajiya da Danshi

Matsayin danshi shine Level 2 (MSL 2). Yanayin ajiya:

• Kafin buɗewa: ≤30°C, ≤75% RH, a cikin shekara 1 daga ranar kera.
• Bayan buɗewa: ≤30°C, ≤60% RH, ana ba da shawarar amfani a cikin sa'o'i 24. Idan ya wuce, gasa a 60±5°C na > sa'o'i 24.
• Idan jakar kariyar danshi ta lalace, sanar da tallace.

7. Bayanin Packaging da Oda

Ana ba da LEDs a kan tef da reel (faɗin tef 8mm, diamita na reel 180mm) tare da guda 4,000 a kowace reel. Girman tef: A0=2.10±0.1mm, B0=3.05±0.1mm, K0=0.75±0.1mm. Kowane reel an rufe shi a cikin jakar kariyar danshi tare da lakabin da ke ɗauke da lambar sashi, lambar lot, lambobin bin don haske (Φ), chromaticity (XY), gudun gaba (VF), tsawon raƙuman haske (WLD), adadi, da kwanan wata.

8. Shawarwari na Amfani

RF-A3E27-W60E-B1 an tsara shi musamman don hasken mota, duka ciki (misali dome lights, map lights) da waje (misali side markers, turn signals). Faɗin kusurwar gani (120°) da aminci a yanayin zafi masu tsanani ya sa ya dace da mahallin wahala. Tabbatarwar AEC-Q102 ta tabbatar da daidaito da buƙatun masana'antar mota. Don ingantacciyar aiki, masu tsara ya kamata:

• Samar da isasshen watsar zafi ta amfani da pad na zafi; dole ne a yi la'akari da juriyar zafi a tsarin tsari don kiyaye zazzabin junction a ƙasa da 150°C.
• Haɗa resistors masu iyakance gudun don hana wuce gona da iri.
• Ka guji amfani da kayan da ke ɗauke da sulfur, bromine, ko chlorine sama da iyaka da aka bayar (S<100ppm, Br<900ppm, Cl<900ppm, jimlar Br+Cl<1500ppm) don hana lalacewar LED.
• Yi amfani da abubuwan tsaftacewa kamar isopropyl alcohol idan akwai ragowar; ba a ba da shawarar tsaftacewa ta ultrasonic ba.

9. Kwatanta da Bambance-Bambancen Fasaha

Idan aka kwatanta da LEDs na matsakaicin iko na yau da kullun, package na EMC yana ba da ƙarfin inji da aikin zafi. Tabbatarwar AEC-Q102 ta bambanta wannan samfur daga LEDs na kasuwanci, yana sa ya dace da aikace-aikace masu muhimmanci. Rabe-raben daidaiton launi da haske yana tabbatar da daidaito a cikin shirye-shiryen LEDs masu yawa.

10. Tambayoyi Masu Yawan Gaske

Tambaya: Menene matsakaicin zazzabin junction?
Amsa: Matsakaicin zazzabin junction shine 150°C. Don dogon aminci, ana ba da shawarar kiyaye TJ a ƙasa da 125°C.

Tambaya: Zan iya tuka wannan LED a 300mA ci gaba?
Amsa: A'a, 300mA shine kololuwar gudun gaba da aka yarda kawai tare da 1/10 zagaye da 10ms faɗin bugu. Gudun ci gaba bai kamata ya wuce 210mA ba.

Tambaya: Yaya zan kula da sensitivity na ESD?
Amsa: Kodayake 90% na raka'a suna wuce 8kV HBM, ya kamata a ɗauki matakan kariya na ESD (wuraren aiki da aka ƙasa, mundaye na anti-static) yayin aiki.

Tambaya: Menene tsawon rayuwa?
Amsa: Bisa ga gwajin AEC-Q102, an tsara LED don dogon rayuwa a ƙarƙashin matsin mota. Rayuwa ta ainihi ta dogara da yanayin tuki da kula da zafi.

11. Nazarin Misalin Amfani

A cikin wani samfurin hasken ciki na mota, ana sanya LEDs shida na RF-A3E27-W60E-B1 a jeri tare da tazarar 10mm. Ta amfani da direba mai iko na 150mA, samfurin suna samun haske daidai na 500 lux a nesa 30cm. Simulashin zafi yana nuna zazzabin junction na 85°C tare da PCB na aluminum da aka tsara daidai (pad na zafi da aka solder). Tsarin yana wuce gwajin girgizar zafi da rawar jiki bisa ga ma'aunin mota.

12. Ka'idar Aiki

LED fari yana aiki ta hanyar haɗa chip na InGaN mai haske blue tare da phosphor mai haske rawaya (YAG:Ce ko makamancin haka). Wani ɓangare na hasken blue yana ɗauka ta phosphor kuma a sake fitarwa azaman haske rawaya; sauran hasken blue yana haɗuwa da rawaya don samar da haske fari. Zazzabin launi da index na canza launi an ƙaddara su ta hanyar abun da ke cikin phosphor da kaurinsa.

13. Hanyoyin Ci Gaba

Hasken mota yana motsawa zuwa cikakken amfani da LED saboda ingancin makamashi, sassauƙar tsari, da dogon rayuwa. Hanyar ta haɗa da ingantaccen haske (sama da 150 lm/W), ƙaramin package (kamar 2.7x2.0mm), da kuma ingantattun ma'aunin aminci (AEC-Q102). Ci gaba na gaba na iya haɗa da LEDs fari marasa phosphor ta amfani da haske kai tsaye na tsawon raƙuman ruwa da yawa, amma a yanzu, LEDs da phosphor sun mamaye kasuwa.