LED Jan 2.7x2.0x0.6mm - Ƙarfin Gaba 2.0-2.6V - Wutar 1.1W - Tsawon Wavelength 612.5-625nm - Takardar Bayani Ta Musamman

1. Bayanin Samfurin

RF-A4E27-R15H-S1 wani jan LED ne mai ƙarfi wanda aka gina shi bisa fasahar semiconductor AlGaInP (Aluminum Gallium Indium Phosphide). Yana cikin ƙaramin kunshin EMC (Epoxy Molding Compound) mai girman 2.7 mm × 2.0 mm × 0.6 mm. Na'urar tana ba da kewayon tsawon wavelength na 612.5 nm zuwa 625 nm, wanda ya sa ta dace da alamun ja da hasken ciki/ waje na mota. Tare da kusurwar kallo mai faɗi 120° da matakin damshin 2, an ƙera LED ɗin don haɗawa da SMT da kuma reflow soldering. Ta cika buƙatun RoHS kuma tsarin gwajin ta ya bi ka'idar AEC-Q102 don semiconductor masu darajar mota.

1.1 Abubuwan Mahimmanci

• Kunshin EMC don ƙarfin injiniya da zafi
• Kusurwar kallo mai faɗi 120° don rarraba haske daidai
• Ya dace da dukkan haɗin SMT da zagayowar reflow soldering da yawa
• Ana samuwa a cikin marufi na tef da reel (4000 guda/reel)
• Matakin damshin: 2 (MSL2)
• Ya cika RoHS kuma an tabbatar da AEC-Q102

1.2 Aikace-aikace Masu Nufi

Hasken mota - duka na ciki (yanayi, nuna) da na waje (wutsiya, tasha, sigina). Kusurwar kallo mai faɗi da babban aminci sun sa ta dace don amfani a yanayin mota mai wahala.

2. Binciken Fasaha Mai Zurfi

2.1 Halayen Lantarki da Haske (a Ts=25°C, IF=350mA)

2.2 Matsakaicin Matsakaicin Matsayi

Lura:Kuskuren auna ƙarfin gaba ±0.1V ne, kuskuren daidaita launi ±0.005, kuma kuskuren haske ±10%. Dukkan aunoni an yi su a ƙarƙashin yanayin daidaitaccen mai ƙira. Matsakaicin ƙarfin aiki yakamata ya yi la'akari da zafin gaske don kiyaye zazzabin haɗi ƙasa da 150°C. A yanayin bugun 25°C, ingancin canza lantarki zuwa haske shine 47%.

2.3 Halayen Zafin

An bayar da darajar juriya na zafi ta hanyoyi biyu: na gaske (Rth JS real) da na lantarki (Rth JS el). Juriya na zafi na gaske yawanci 12°C/W ne kuma yana wakiltar hanyar zafi ta gaske daga haɗi zuwa wurin solder. Juriya na zafi na lantarki yawanci 6°C/W ne, an auna shi da gwajin ƙarfi na 350 mA a zazzabi na muhalli na 25°C. Gudanar da zafi daidai yana da mahimmanci don kiyaye aiki da hana lalacewa da wuri.

3. Tsarin Rarrabuwa

A IF=350 mA, an rarraba LEDs zuwa rukuni don ƙarfin gaba, haske, da tsawon wavelength don tabbatar da daidaito a aikace.

3.1 Rukunin Ƙarfin Gaba

• C0: 2.0 V – 2.2 V
• D0: 2.2 V – 2.4 V
• E0: 2.4 V – 2.6 V

3.2 Rukunin 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
• RA: 83.7 – 93.2 lm

3.3 Rukunin Tsawon Wavelength

• C2: 612.5 – 615 nm
• D1: 615 – 617.5 nm
• D2: 617.5 – 620 nm
• E1: 620 – 622.5 nm
• E2: 622.5 – 625 nm

Rukunin suna ba abokan ciniki damar zaɓar madaidaicin ƙarfin lantarki, haske, ko taga wavelength da ake buƙata don ƙirar su. Lambar rukuni tana kan lakabin marufi.

4. Nazarin Lanƙwasan Aiki

Takardar bayanan ta ba da lanƙwasa da yawa waɗanda ke taimaka wa injiniyoyi fahimtar yadda LED ke aiki a ƙarƙashin yanayi daban-daban.

4.1 Ƙarfin Gaba vs. Ƙarfin Gaba (Hoto 1-6)

Ƙarfin gaba yana ƙaruwa daidai da bugun jini. A kusan 350 mA, ƙarfin yana kusan 2.3 V. Wannan lanƙwasa tana da mahimmanci don ƙirƙirar da'irar daidaita ƙarfi.

4.2 Haske Mai Dangantaka vs. Ƙarfin Gaba (Hoto 1-7)

Fitar haske yana ƙaruwa da ƙarfin bugun jini amma ba daidai ba. A 350 mA, an daidaita hasken dangantaka zuwa 100%. A ƙananan ƙarfi, inganci ya fi girma.

4.3 Zazzabi na Haɗi vs. Haske Mai Dangantaka (Hoto 1-8)

Yayin da zazzabin haɗi ya tashi, fitar haske yana raguwa. A 125°C, haske yana kusan 80% na darajar a 25°C. Ƙirar zafi mai kyau yana da mahimmanci don rage asarar haske a yanayin zafi mai girma.

4.4 Zazzabi na Wurin Solder vs. Ƙarfin Gaba (Hoto 1-9)

Matsakaicin ƙarfin gaba mai izini yana raguwa yayin da zazzabin wurin solder ya tashi. Misali, a zazzabin solder na 120°C, matsakaicin ƙarfi yana kusan 200 mA.

4.5 Canjin Ƙarfi vs. Zazzabi na Haɗi (Hoto 1-10)

Ƙarfin gaba yana da ƙimar zafi mara kyau. Ga kowane hawan 100°C, ƙarfin yana raguwa da kusan 0.2 V. Wannan dole ne a yi la'akari da shi a cikin direbobi masu ɗaukar ƙarfi don guje wa karkatar ƙarfi.

4.6 Tsarin Haske (Hoto 1-11)

Tsarin haske yana da faɗi sosai (120° cikakken nisa a rabin mafi girma) kuma kusan Lambertian, yana sa ya dace da aikace-aikace da ke buƙatar haske mai faɗi.

4.7 Canjin Tsawon Wavelength na Musamman vs. Zazzabi na Haɗi (Hoto 1-12)

Tsawon wavelength na musamman yana motsawa kaɗan zuwa dogon wavelengths (canja ja) tare da haɓaka zazzabi, a kusan 0.05 nm/°C.

4.8 Rarraba Bakan (Hoto 1-13)

Fitar bakan tana kewaye da 620 nm tare da ɗan kunkuntar nisa a rabin mafi girma na kusan 20 nm. Tsawon wavelength na kololuwa yana kusa da tsawon wavelength na musamman, yana tabbatar da cikakken ja.

5. Bayanan Injiniya da Marufi

5.1 Girman Kunshin

LED ɗin yana da ƙaramin tsari: 2.70 mm × 2.00 mm × 0.60 mm. Duban sama yana nuna yanki mai fitar da haske rectangular tare da alamar cathode (C) a ƙasa. Duban gefe da ƙasa daki-daki suna nuna polarity: pads anode (A) da cathode (C). Tsarin soldering da aka ba da shawarar ya haɗa da pads na zafi don ɓata zafi.

5.2 Polarity da Tsarin Pad na Soldering

Daga duban ƙasa (Hoto 1-3), pad na cathode ya fi girma (1.30 mm × 0.60 mm) kuma pad na anode ya fi ƙanƙanta (1.20 mm × 0.45 mm). Tsarin soldering (Hoto 1-5) yana nuna wuraren jan karfe da aka ba da shawarar: 1.40 mm × 1.30 mm don cathode da 1.20 mm × 1.30 mm don anode, tare da tazarar 0.50 mm. Dukkan ma'auni suna da kuskuren ±0.2 mm sai dai idan an faɗi.

5.3 Marufi da Lakabi

Ana ba da LEDs a cikin marufi na tef da reel tare da guda 4000 a kowane reel. Girman tef ɗin ɗaukar kaya: rami P0=4.0 mm, P1=4.0 mm, P2=2.0 mm, faɗin W=8.0 mm. Diamita na reel na waje shine 180 mm tare da diamita na cibiya na 60 mm. Kowane reel an rufe shi a cikin jakar shinge na damshi tare da bushewar silica gel da katin nuna damshi. Lakabin ya ƙunshi lambar sashi, lambar layi, lambobin rukuni, adadi, da kwanan wata.

6. Jagorar Soldering da Haɗawa

6.1 Tsarin Reflow Soldering

Tsarin reflow da aka ba da shawarar (maras gubar, bisa ma'aunin JEDEC):

• Yawan hawan: 3°C/s mafi girma
• Preheat: 150°C zuwa 200°C, 60–120 s
• Lokaci sama da 217°C (TL): 60 s mafi girma
• Zazzabi na kololuwa (TP): 260°C, mafi girma 10 s a TP
• Lokaci a cikin 5°C na TP: 30 s mafi girma
• Yawan sanyaya: 6°C/s mafi girma
• Jimlar lokaci daga 25°C zuwa kololuwa: mafi girma minti 8

LED ɗin na iya jurewa har zuwa zagayowar reflow biyu. Idan fiye da awa 24 sun wuce tsakanin zagayowar, ana buƙatar gasa don cire damshin da aka ɗauka (60±5°C na > awa 24). Kada a yi ƙarfi a saman silicone yayin dumama.

6.2 Kariya ta Kulawa

• Sarrafa Sulfur da Halogen:Yanayin da kayan haɗi dole ne su ƙunshi kasa da 100 ppm sulfur, kasa da 900 ppm kowane bromine da chlorine, da kuma kasa da 1500 ppm jimlar bromine + chlorine. Wannan yana hana harin sinadarai a kan kunshin LED.
• Fitar VOC:Mahadi masu canji na gina jiki daga kayan na'ura na iya shiga cikin rufin silicone kuma su haifar da canza launi a ƙarƙashin haske da zafi. Yi amfani da mannewa da kayan cika da suka dace waɗanda ba su fitar da gas.
• Kariyar ESD:LED ɗin yana da damuwa ga fitar da lantarki mai ƙarfi (ESD HBM 2 kV). Yi amfani da wuraren aiki na ƙasa da marufi masu hana lantarki.
• Tsaftacewa:Yi amfani da isopropyl alcohol don tsaftacewa idan an buƙata. Ba a ba da shawarar tsaftacewa da ultrasonic ba saboda yana iya lalata LED.
• Adanawa:Ana iya adana jakunkuna marasa buɗewa a ≤30°C / ≤75% RH har zuwa shekara guda. Bayan buɗewa, yi amfani da shi a cikin awa 24 a ≤30°C / ≤60% RH. Idan bushewa ya canza launi ko lokacin adanawa ya wuce, gasa a 60±5°C na akalla awa 24 kafin amfani.

6.3 Ƙirar Zafi

Saboda fitar haske da kwanciyar hankali na LED sun dogara da zazzabin haɗi, yin amfani da matattarar zafi mai kyau yana da mahimmanci. Matsakaicin zazzabin haɗi shine 150°C. Yi amfani da wuraren jan karfe na PCB da suka dace, hanyoyin zafi, da sanyaya ta ƙarfi idan ya cancanta don kiyaye TJ ƙasa da mafi girma a yanayin aiki da aka yi niyya.

7. Amintaci da Gwajin

Samfurin ya fuskantar gwajin amintacce mai tsauri bisa ƙa'idodin AEC-Q102. Mahimman gwaje-gwaje sun haɗa da:

• Gwajin reflow soldering (260°C, 10 s, 2×) – 0/1 gazawa
• Shirye-shiryen MSL2 (85°C/60%RH, 168 h) – 0/1
• Girgizar zafi (-40°C zuwa 125°C, 1000 zagayowa) – 0/1
• Gwajin rayuwa (Ta=105°C, IF=350 mA, 1000 h) – 0/1
• Gwajin rayuwa na zafi mai girma / damshi mai girma (85°C/85%RH, IF=350 mA, 1000 h) – 0/1

Ma'aunin hukunci: Ƙarfin gaba ba zai wuce 1.1× USL ba, ƙarfin baya ba zai wuce 2× USL ba, kuma haske ba zai faɗi ƙasa da 0.7× LSL ba. Waɗannan gwaje-gwaje sun tabbatar da ƙarfin LED don aikace-aikacen mota.

8. Misalan Aikace-aikace da La'akari da Ƙira

Hasken Ciki na Mota:Kusurwar kallo mai faɗi yana ba da izinin hasken dashboard daidai ko tsiri na haske na yanayi. Don aikace-aikacen sigina, babban haske (har zuwa 93 lm) a 350 mA na iya cika buƙatun SAE idan an yi amfani da na'urorin gani da kyau.

Rage Ƙarfi:Matsakaicin ƙarfin gaba mai izini shine 420 mA, amma aiki mai dorewa a wannan matakin yana buƙatar kula da zafi mai kyau. A yawancin ƙirar mota, ana tuka LED a 200–350 mA tare da rage ƙarfi bisa zazzabin muhalli. Resistor na jeri ko direba mai ɗaukar ƙarfi yana da mahimmanci don hana guduwar zafi.

Jerin LED da yawa:Lokacin tuka LED da yawa a jere, rarrabuwar ƙarfin gaba (misali D0) yana taimaka daidaita ƙarfi don rage ɓataccen wutar a cikin mai daidaita ƙarfi. Don layi masu layi daya, tabbatar da kowane jeri yana da nasa abin iyakance ƙarfi don guje wa rashin daidaituwa.

9. Ka'idar Fasaha

LED ɗin yana amfani da AlGaInP (Aluminum Gallium Indium Phosphide) a matsayin kayan aiki mai rai. Wannan semiconductor mai haɗaɗɗun abubuwa huɗu yana daidaita da matattarar GaAs, yana ba da ingancin ciki mai girma don wavelengths ja da amber. Kunshin EMC yana ba da hanyar juriya na zafi kaɗan da kuma juriya ga yin rawaya idan aka kwatanta da kayan PPA na yau. Ƙarfin gaba na 2.0–2.6 V ya zama na yau don LEDs ja na AlGaInP. Ana tantance tsawon wavelength na musamman ta yawan indium a cikin rijiyoyin kwata; ƙananan bandgap, tsawon wavelength.

10. Hanyoyin Masana'antu da Hasashen Gaba

Jan LEDs na ci gaba da samun mahimmanci a hasken mota saboda inganci da tsawon rayuwa. Hanyar zuwa ƙanana (ƙananan kunshin kamar 2.7×2.0 mm) yana ba da sassauci ga ƙira. Tabbacin AEC-Q102 yana zama buƙata ta tilas ga masu samar da mota na mataki na farko. Tare da haɓakar ADAS da tuki mai cin gashin kai, LEDs na sigina ja dole ne su cika ƙaƙƙarfan ƙa'idodin aminci da aiki. RF-A4E27-R15H-S1 yana cikin matsayi mai kyau don hidimar waɗannan buƙatun masu tasowa.

11. Tambayoyin da Aka Yi Yawa

Tambaya 1: Zan iya tuka wannan LED a ƙarfin kololuwa na 700 mA akai-akai?
A'a. Ƙarfin kololuwa na 700 mA an yarda da shi ne kawai a zagayen aiki na 1/10 da nisa na bugun 10 ms. Aiki mai dorewa bai kamata ya wuce 420 mA ba.

Tambaya 2: Menene tsawon rayuwa na yau a ƙarƙashin yanayin mota?
LED ɗin ya cancanci gwajin rayuwa na awa 1000, amma ainihin rayuwa a fage ya dogara da yanayin zafi. Tare da kula da zafi mai kyau, LED na iya wuce awa 50,000.

Tambaya 3: Za a iya tsaftace LED da acetone ko wasu kaushi?
Isopropyl alcohol ne kawai aka ba da shawarar. Sauran kaushi na iya lalata rufin silicone. Gwada daidaituwa kafin amfani da duk wani kayan tsaftacewa.

Tambaya 4: Me yasa haske mai zafi yake ƙasa da na 25°C?
Ingancin LED yana raguwa da zazzabi saboda ƙaruwar sake haɗawa mara amfani. Rika zazzabin haɗi da ƙasa gwargwadon yiwuwa.

12. Bayanin Oda

Matsakaicin adadin marufi shine guda 4000 a kowane reel. Reel ɗin yana da diamita 180 mm kuma an rufe shi a cikin jakar shinge na damshi. Don buƙatun rarrabuwa na musamman (musamman VF, haske, ko kewayon wavelength), tuntuɓi mai rarraba ko mai ƙira. Lambar sashi ita ce RF-A4E27-R15H-S1, kuma an buga lambar rukuni a kan lakabin. Koyaushe adana bisa ka'idodin MSL2.