Red LED PLCC4 3.5x2.8x1.85mm - Wutar Gaba 1.9-2.5V - Ƙarfin 125mW - Haske 1500-2800mcd - AEC-Q102 Tabbatacce

1. Bayanin Samfur

Wannan LED ja mai haske yana dogara ne akan fasahar semiconductor AlGaInP kuma an haɗa shi a cikin ƙaramin PLCC4 mai girman 3.50mm x 2.80mm x 1.85mm. An tsara shi don buƙatun hasken mota na ciki da waje, na'urar ta cika ƙa'idodin gwajin AEC-Q102, yana tabbatar da dogaro mai ƙarfi a ƙarƙashin yanayin aiki mai wahala. LED ɗin yana ba da tsawon raƙuman haske daga 627.5nm zuwa 635nm tare da kusurwar gani na 120°, yana ba da haske daidai a fage mai faɗi. Tare da wutar gaba daga 1.9V zuwa 2.5V a 50mA da haske daga 1500mcd zuwa 2800mcd, yana daidaita inganci da haske don buƙatun sigina da nuni daban-daban.

2. Binciken Ma'aunin Fasaha

2.1 Halayen Wutar Lantarki da Haske

A gwajin wutar 50mA da zafin yanayi 25°C, an ayyana ma'aunin wutar lantarki da na haske kamar haka:

• Wutar Gaba (VF): mafi ƙarami 1.9V, ba a bayar da ƙimar yau da kullun ba, mafi girma 2.5V. Gaskiyar auna ta kai ±0.1V.
• Wutar Baya (IR): a wutar baya 5V, mafi girma 10µA, yana tabbatar da ƙarancin zubewa.
• Tsawon Raƙuman Haske Mai Rinjaye (λD): daga 627.5nm zuwa 635nm, yana rufe yankin ja mai zurfi. Gaskiyar auna ±0.005nm.
• Haske (IV): daga 1500mcd zuwa 2800mcd, tare da gaskiyar auna ±10%.
• Kusurwar Gani (2θ1/2): 120° na yau da kullun, yana ba da yaɗuwa mai faɗi wanda ya dace da aikace-aikacen nuni da haske a baya.
• Juriyar Zafi (Rth JS real): 160°C/W na yau da kullun, 180°C/W mafi girma (junction zuwa solder). Hanyar auna lantarki ta samar da 80°C/W na yau da kullun, 90°C/W mafi girma.

2.2 Matsakaicin Ƙimar Da Ba Za a Wuce Ba

Ba dole ba a yi amfani da na'urar sama da waɗannan iyakoki a zafin solder 25°C:

• Rasa Wutar: 175mW
• Wutar Gaba: 70mA (ci gaba), 100mA kololuwa (1/10 zagayen aiki, faɗin bugun 10ms)
• Wutar Baya: 5V
• ESD (HBM): 2000V
• Zafin Aiki: -40°C zuwa +100°C
• Zafin Adanawa: -40°C zuwa +100°C
• Zafin Junction: 120°C

Dole ne a kula kada rasa wutar ya wuce matsakaicin ƙimar da aka ayyana. Ya kamata a ƙayyade mafi girman wutar aiki bayan auna zafin kunshin don tabbatar da zafin junction ya kasance ƙasa da iyakar da aka yarda.

3. Tsarin Rarraba Bini

3.1 Bini na Wutar Gaba (IF=50mA)

An rarraba wutar gaba zuwa bini shida: B2 (1.9-2.0V), C1 (2.0-2.1V), C2 (2.1-2.2V), D1 (2.2-2.3V), D2 (2.3-2.4V), E1 (2.4-2.5V).

3.2 Bini na Haske

Ana ayyana bini na haske a matsayin M2 (1500-1800mcd), N1 (1800-2300mcd), N2 (2300-2800mcd).

3.3 Bini na Tsawon Raƙuman Haske

Bini na tsawon raƙuman haske mai rinjaye: F2 (627.5-630nm), G1 (630-632.5nm), G2 (632.5-635nm).

Waɗannan bini suna bawa abokan ciniki damar zaɓar na'urori masu ɗan gajeren gaskiya don daidaiton launi da haske a samarwa da yawa. Lambar bin a kan lakabin samfur tana nuna ainihin haɗin matsayi na VF, IV, da tsawon raƙuman haske.

4. Masu Kwatanta Ayyuka

4.1 Wutar Gaba vs. Wutar Gaba (Kwata V-I)

Wutar gaba tana ƙaruwa ba tare da layi ba tare da wutar. A 1.9V wutar tana kusan sifili; a 2.5V wutar ta kai kusan 60mA. Kwata ta nuna wutar gaba ta yau da kullun kusan 2.2V a 50mA.

4.2 Haske Dangantaka vs. Wutar Gaba

Haske dangantaka yana ƙaruwa kusan layi da wutar gaba har zuwa 60mA. A 50mA haske dangantaka yana kusan 100% (ma'aunin tsinkaya). Rage haske ta hanyar rage wutar yana da tasiri amma lura cewa canjin launi yana da ƙanƙanta a wannan kewayon.

4.3 Tasirin Zafin Junction

Yayin da zafin junction yake tashi daga -40°C zuwa 120°C, haske dangantaka yana raguwa da kusan 20% a 120°C idan aka kwatanta da zafin daki. Canjin wutar gaba (ΔVF) yana korau tare da zafi, yana raguwa da kusan 0.2V a cikin cikakken kewayon. Tsawon raƙuman haske mai rinjaye yana canzawa kaɗan (kusan 4-5nm) zuwa tsayin raƙuman haske yayin da zafi ke ƙaruwa. Waɗannan halaye suna da mahimmanci ga sarrafa zafi a yanayin mota mai zafi.

4.4 Rage Daraja Zafin Solder

Dole ne a rage mafi girman wutar gaba yayin da zafin solder ke tashi. A zafin solder 100°C, wutar da aka yarda ta ragu zuwa kusan 20mA daga 70mA a 25°C.

4.5 Tsarin Radiation

Tsarin radiation yana nuna tsarin lambertian na yau da kullun tare da kusurwar rabin haske ±60°, yana tabbatar da faffadar kusurwar gani 120°. Haske daidai yake a cikin mazurarin fitowar.

4.6 Rarraba Bakan

Rarraba bakan ya kai kololuwa a kusan 630nm tare da cikakken faɗin rabin matsakaici (FWHM) na kusan 20-25nm. Ba a lura da fitowar sakandare ba, yana tabbatar da tsaftar launi.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin

An lulluɓe LED ɗin a cikin kunshin PLCC4 mai girman: tsayi 3.50mm, faɗi 2.80mm, tsawo 1.85mm. Kunshin yana da alamar polarity (ɗigo) a kan kallon sama wanda ke nuna cathode. Kallon ƙasa yana nuna tashoshi huɗu: pad 1 (cathode), pad 2 (anode), pad 3 (anode), pad 4 (cathode) bisa ga zanen polarity. Hakanan ana nuna polarity ta hanyar ƙwanƙwasa a kusurwar kunshin.

5.2 Tsarin Pad na Solder da Aka Shawarta

Tsarin ƙasar PCB da aka shawarta ya haɗa da pads huɗu: pads na ciki biyu na anode (kowanne 2.20mm x 0.80mm) da pads na waje biyu na cathode (kowanne 2.60mm x 0.80mm). Gabaɗayan sawun yana 4.60mm x 1.60mm tare da tazarar 0.70mm tsakanin pads. Gaskiyar auna ita ce ±0.05mm sai dai idan an lura dabam.

5.3 Tefin Dauka da Reel

Ana ba da na'urori a cikin tefin daukowa mai faɗi 8mm tare da ramukan sprocket na 4mm. Girman tef: faɗin 8.00mm, tazarar aljihu 4.00mm, girman rami 3.50mm x 2.80mm x 1.85mm. Kowace reel (diamita 330mm) tana ƙunshe da guda 2000. Cibiyar reel tana da diamita na ciki 60mm tare da ramin cibiya 13.6mm.

6. Jagororin Solder da Haɗawa

6.1 Bayanin Solder Reflow

Bayanin reflow da aka shawarta (marar gubar) kamar haka:

• Matsakaicin hawan: 3°C/s mafi girma daga Tsmin (150°C) zuwa Tp
• Bayanin zafi: 150°C zuwa 200°C na daƙiƙa 60-120
• Lokaci sama da 217°C (TL): daƙiƙa 60 mafi girma
• Zafin kololuwa (Tp): 260°C na daƙiƙa 10 mafi girma
• Rage sanyi: 6°C/s mafi girma
• Lokaci daga 25°C zuwa kololuwa: minti 8 mafi girma

Bai kamata a yi solder reflow fiye da sau biyu ba. Idan sama da awanni 24 sun wuce tsakanin solder guda biyu, LED ɗin na iya sha ruwa kuma su lalace. Kada a yi damuwa na inji yayin dumama.

6.2 Solder da Hannu

Idan solder da hannu ya zama dole, yi amfani da baƙin solder wanda bai wuce 300°C ba na ƙasa da daƙiƙa 3, kuma sau ɗaya kawai.

6.3 Adanawa da Sha Ruwa

Matsayin sha ruwa shine mataki na 2. Kafin buɗe jakar aluminum, adana a ≤30°C da ≤75% RH har zuwa shekara ɗaya daga ranar kera. Bayan buɗe, yi amfani a cikin awanni 24 a ≤30°C da ≤60% RH. Idan yanayin adanawa ya wuce, ana buƙatar gasa a 60±5°C sama da awanni 24.

7. Bayanin Kunshin da Oda

Ana kunshin samfurin a cikin adadin reel na guda 2000. Kowace reel an rufe ta a cikin jakar hana ruwa tare da desiccant da katin nuna zafi. Akwatin kwali na waje yana ƙunshe da reels da yawa. Kowace reel da jaka an yi musu lakabi da lambar sashi, lambar ƙayyadaddun bayanai, lambar kuri'a, lambar bin, yawa, da lambar kwanan wata. Lambar bin tana ɓoye takamaiman matsayi na haske, launi (tsawon raƙuman haske), da wutar gaba.

8. Shawarwari na Aikace-aikace

8.1 Aikace-aikace na Yau da Kullun

Hasken cikin mota (nuni na dashboard, hasken muhalli), hasken waje (fitilun birki, alamun juyawa, fitilun baya), masu kunna, da nuni gabaɗaya. Faɗin kusurwar gani da babban haske sun sa ya dace da allunan hasken gefe da haske a baya.

8.2 La'akari na Zane

• Sarrafa Zafi:Idan aka ba da juriyar zafi 160°C/W, ana buƙatar isasshen zubar da zafi lokacin tuki kusa da mafi girman wutar. Kula da zafin solder ƙasa da 100°C don tabbatar da zafin junction ya kasance ƙasa da 120°C.
• Ƙayyade Wutar:Koyaushe yi amfani da resistor na jeri ko direba mai kai tsaye don hana wuce gona da iri. Canje-canje kaɗan na wutar lantarki suna haifar da manyan canje-canje na wutar saboda kwata V-I mai tsauri.
• Kariyar ESD:Na'urar tana da ƙimar 2kV HBM. Yi amfani da matakan kariyar ESD masu dacewa yayin sarrafawa da haɗawa.
• Ƙuntatawa na Sulfur da Halogen:Kiyaye abun cikin sulfur ƙasa da 100ppm, bromine ƙasa da 900ppm, chlorine ƙasa da 900ppm, kuma haɗe ƙasa da 1500ppm don guje wa lalata da raguwar haske.
• Abubuwan Ƙanshi Masu Canzawa (VOCs):Ka guje wa manne ko mahadin potting waɗanda ke fitar da tururin ƙwayoyin halitta waɗanda zasu iya shiga cikin rufin siliki kuma su haifar da canjin launi.
• Tsabtace:Ana ba da shawarar barasa isopropyl don tsabtace bayan solder. Kada a yi amfani da tsabtace ultrasonic domin yana iya lalata LED.

9. Kwatanta Fasaha

Idan aka kwatanta da LED ja na al'ada bisa GaAsP ko GaP, wannan na'urar AlGaInP tana ba da ingantaccen haske mai yawa (na yau da kullun 1500-2800mcd a 50mA) da kwanciyar hankali mafi kyau. Kunshin PLCC4 mai hawa saman tare da faffadar kusurwar gani 120° yana ba da sassaucin zane don kayayyakin mota masu ƙuntataccen sarari. Tabbatarwar AEC-Q102 tana tabbatar da cewa ya cika tsauraran buƙatun dogaron mota, gami da girgizar zafi, gwajin rayuwa, da aiki mai yawan zafi.

10. Tambayoyin da Aka Yi Yawan yi

Tambaya: Menene mafi girman wutar aiki da aka shawarta ga wannan LED?
Amsa: Matsakaicin wutar gaba mai ci gaba shine 70mA, amma don aiki mai dogaro da tsawon rai, dole ne a yi rage daraja bisa zafin yanayi da sarrafa zafi. Yawancin lokaci, 50mA shine wutar ƙididdiga mai aminci tare da isasshen zubar zafi.

Tambaya: Za a iya tuka wannan LED ta siginar PWM?
Amsa: Ee, ana iya daidaita faɗin bugun LED don rage haske. Tabbatar cewa wutar kololuwa bai wuce 100mA ba kuma an iyakance zagayen aiki don kiyaye matsakaicin wutar ƙasa da 175mW.

Tambaya: Menene daidaiton launi a cikin bini daban-daban na haske?
Amsa: Bini na tsawon raƙuman haske suna zaman kansu daga bini na haske. Ya kamata abokan ciniki su zaɓi duka bini na tsawon raƙuman haske da na haske don daidaiton launi da haske. Canjin tsawon raƙuman haske na yau da kullun tare da wutar da zafi yana da ƙanƙanta a cikin kewayon da aka ƙayyade.

11. Amfani A aikace

Misali na 1: Fitilar Haɗaɗɗiyar Baya ta Mota
Masu zane sun yi amfani da 18 daga cikin waɗannan LED ja a cikin tsari 3-jeri 6- layi daya don fitilar baya. Kowane layi an tuka shi a 40mA tare da IC na kai tsaye. Simulation na zafi ya nuna zafin junction ya kasance ƙasa da 85°C a ƙarƙashin yanayi 50°C. Faɗin kusurwar gani ya kawar da buƙatar na'urorin gani na sakandare.

Misali na 2: Hasken Muhalli na Ciki
Don hasken ƙara a tsakiyar console, an sanya LED guda biyu a bayan jagorar haske. Kusurwar fitowar 120° ta ba da haske daidai a kan jagorar. Ƙarancin wutar gaba ya ba da damar tuka kai tsaye daga layin 3.3V tare da resistor 22Ω kowace LED, yana samun 1500mcd kowace LED a 30mA.

12. Ka'idar Aiki

LED ja yana amfani da AlGaInP (Aluminum Gallium Indium Phosphide) a matsayin kayan aiki na Layer, wanda shine semiconductor mai tsalle-tsalle kai tsaye. Lokacin da aka yi gaba, electrons daga nau'in n suna sake haɗuwa da ramuka a cikin nau'in p, suna fitar da kuzari a cikin nau'in photons. Ana iya daidaita ƙarfin tsalle na AlGaInP ta hanyar daidaita abun da ke cikin Indium don fitarwa a yankin ja (kusan 630nm). Tsarin rijiyoyi masu yawa yana haɓaka ingancin sake haɗuwa, yana haifar da babban haske ko da a matsakaicin wutar. Ƙarƙashin translucent da ingantaccen zane na guntu suna inganta fitar da haske.

13. Hanyoyin Ci Gaba

Hanyar da ake bi a LED ja don aikace-aikacen mota ita ce zuwa mafi inganci (lm/W) da ƙananan girman kunshin don ba da damar ƙirar haske masu ƙarfi. Ingantattun ci gaban epitaxial na AlGaInP da siffata guntu na ci gaba da tura ingancin haske sama da 100 lm/W ga ja. Bugu da ƙari, haɗa kariyar ESD a cikin kunshin yana zama ruwan dare. Karɓar AEC-Q102 da makamantansu yana tabbatar da cewa waɗannan LED na iya jure wa yanayin mota mai tsauri. Ci gaba na gaba na iya haɗawa da ƙirar cikakken bakan da za a iya daidaita ja-amber-kore ta amfani da guntu da yawa a cikin kunshin PLCC guda.