LED Mai Duba Sama 45-21 Jerin Haske Mai Kyau - 3.0x2.0x1.1mm - 2.25V Na Yau da Kullun - 40mW - Takardar Bayanan Fasaha

1. Bayyane Game da Samfur

Wannan takarda ta bayyana cikakkun bayanai game da wani ɓangaren LED mai hawa sama, mai hawa a saman. Na'urar tana da siffar fitar da haske mai kyau na rawaya, wanda aka samu ta hanyar amfani da kayan AlGaInP da aka rufe a cikin resin mai tsabta. Babban fa'idodin ƙira sun haɗa da faɗin kusurwar dubawa da ingantaccen haɗin haske ta hanyar mai nuna haske na ciki, wanda ya sa ya dace musamman don aikace-aikacen bututun haske. Ƙarancin buƙatun wutar lantarki kuma ya sa ya zama zaɓi mai kyau don aikace-aikacen da ke da hankali ga wutar lantarki kamar kayan aikin hannu.

An ƙera samfurin tare da la'akari da aminci da bin ka'idoji. Yana da fakitin SMT fari tare da firam ɗin gubar mai ƙafafu biyu. Ya bi ka'idodin RoHS, EU REACH, da ka'idodin marasa halogen (Br <900 ppm, Cl <900 ppm, Br+Cl < 1500 ppm). Bugu da ƙari, an cancanta shi bisa ga ma'aunin AEC-Q101, wanda ya sa ya dace da yanayi masu wahala kamar hasken cikin mota (misali, hasken baya na dashboard).

2. Zurfin Bincike na Ma'auni na Fasaha

2.1 Matsakaicin Matsakaicin Matsakaici

Kada a yi amfani da na'urar fiye da waɗannan iyakoki don hana lalacewa ta dindindin.

• Ƙarfin Wutar Lantarki (V_R):5 V
• Halin Gaba (I_F):50 mA (Ci gaba)
• Matsakaicin Halin Gaba (I_FP):100 mA (Aiki 1/10 @1kHz)
• Rushewar Wutar Lantarki (P_d):120 mW
• Zubar da Wutar Lantarki (ESD) HBM:2000 V
• Zazzabi na Aiki (T_opr):-40°C zuwa +85°C
• Zazzabi na Ajiya (T_stg):-40°C zuwa +90°C
• Zazzabin Solder (T_sol):Reflow: 260°C na dakika 10; Hannu: 350°C na dakika 3.

2.2 Halayen Lantarki da Haske (T_a=25°C)

Matsakaicin ma'auni na aiki da aka auna a ƙarƙashin yanayin da aka saba.

• Ƙarfin Haske (I_v):450 zuwa 900 mcd (a I_F=20mA)
• Kusurwar Dubawa (2θ_1/2):120 digiri (Na Yau da Kullun)
• Matsakaicin Tsawon Tsawon (λ_p):591 nm (Na Yau da Kullun)
• Matsakaicin Tsawon Tsawon (λ_d):585.5 zuwa 594.5 nm
• Faɗin Bakan Haske (Δλ):15 nm (Na Yau da Kullun)
• Ƙarfin Wutar Lantarki na Gaba (V_F):1.95 zuwa 2.55 V (a I_F=20mA)
• Halin Baya (I_R):10 μA Matsakaici (a V_R=5V)

Lura: Matsakaicin ƙarfin haske shine ±11%, tsawon tsawon tsawon shine ±1nm, kuma ƙarfin wutar lantarki na gaba shine ±0.1V.

3. Bayanin Tsarin Rarraba

An rarraba na'urar zuwa kwandon aiki bisa ga manyan ma'auni na aiki don tabbatar da daidaito a cikin ƙirar aikace-aikace.

3.1 Rarraba Ƙarfin Haske

• U1:450 - 565 mcd
• U2:565 - 715 mcd
• V1:715 - 900 mcd

3.2 Rarraba Tsawon Tsawon (Rukuni A)

• D3:585.5 - 588.5 nm
• D4:588.5 - 591.5 nm
• D5:591.5 - 594.5 nm

3.3 Rarraba Ƙarfin Wutar Lantarki na Gaba (Rukuni C)

• 1:1.95 - 2.15 V
• 2:2.15 - 2.35 V
• 3:2.35 - 2.55 V

4. Bincike na Lanƙwasa Aiki

Matsakaicin lanƙwasa halayen lantarki da haske (wanda aka ambata a cikin takardar bayanai) suna nuna alaƙa tsakanin halin gaba da ƙarfin haske, ƙarfin wutar lantarki na gaba, da tasirin yanayin zafi na muhalli akan aiki. Waɗannan lanƙwasa suna da mahimmanci ga masu ƙira don tsinkaya halayen a ƙarƙashin yanayin da ba na daidaito ba, kamar yanayin aiki mai girma ko bambancin halin tuƙi. Binciken waɗannan jadawalin yana taimakawa wajen zaɓar masu hana halin yanzu da suka dace da fahimtar yuwuwar bambancin haske a cikin kewayon aiki na na'urar.

5. Bayanin Injiniya da Fakitin

5.1 Girman Tsarin Fakitin

Na'urar tana da ƙaramin ƙafar SMT. Manyan girma (a cikin mm, matsakaicin ±0.1mm sai dai idan an ƙayyade) sun kusan 3.0mm a tsayi, 2.0mm a faɗi, da 1.1mm a tsayi. An ba da shirin ginin ginin solder da aka ba da shawarar don tabbatar da ingantaccen haɗin injiniya da zafi yayin haɗawa.

5.2 Gano Polarity

An yiwa alama a sarari akan saman fakitin. Daidaitaccen alkiblar polarity yana da mahimmanci yayin sanyawa don tabbatar da aikin da'ira mai kyau.

6. Jagororin Solder da Haɗawa

6.1 Hanyoyin Solder

Babbar hanyar haɗawa da aka ba da shawarar ita ce solder reflow na infrared (IR). An ba da shawarar takamaiman bayanin martabar zafin reflow mara gubar, tare da matsakaicin zafin jiki na 260°C na matsakaicin dakika 10. Kada a yi solder reflow fiye da sau biyu. Solder na hannu yana halatta amma dole ne a yi shi a hankali a zafin ƙarshe ƙasa da 350°C na fiye da dakika 3 a kowane tasha, ta amfani da ƙarfe na solder mai ƙarfin 25W ko ƙasa da haka.

6.2 Ajiya da Kula da Kula

• Hankali na ESD:Na'urar tana da hankali ga zubar da wutar lantarki. Dole ne a bi ingantaccen tsarin kula da ESD.
• Hankali na Danshi:LEDs an haɗa su a cikin jakar da ba ta shiga ruwa tare da desiccant.
  • Kada a buɗe jakar har sai an shirya don amfani.
  • Kafin buɗewa: Ajiye a ≤30°C / ≤70% RH har zuwa shekara guda.
  • Bayan buɗewa: Yi amfani da shi cikin kwanaki 3 a ƙarƙashin yanayin ≤30°C / ≤60% RH. Sassa da ba a yi amfani da su ba dole ne a sake rufe su a cikin fakitin bushewa.
  • Idan mai nuna desiccant ya canza launi ko kuma an wuce lokacin ajiya, ana buƙatar gasa sau ɗaya a 60±5°C na awanni 24 kafin amfani.

6.3 Muhimman Bayanan Amfani

• Kariya ta Halin Yanzu:Resistor mai hana halin yanzu na waje wajibi ne. Halayen V-I na LED yana nufin ƙaramin ƙarar ƙarfin wutar lantarki zai iya haifar da babban haɓakar halin yanzu mai lalacewa.
• Kaucewa Matsaloli:Kaucewa sanya matsin lamba na injiniya ga jikin LED yayin dumama (solder) kuma kada a karkatar da PCB bayan haɗawa.
• Gyara:Ba a ba da shawarar gyara bayan solder ba. Idan ba za a iya kaucewa ba, dole ne a yi amfani da ƙarfe na solder mai kai biyu don dumama tashoshi biyu lokaci guda don hana lalacewa.

7. Bayanin Fakitin da Oda

7.1 Ƙayyadaddun Fakitin

Ana samar da abubuwan a kan tef ɗin mai ɗaukar kaya, wanda aka yi wa igiya a kan reels. Matsakaicin reel ɗin ya ƙunshi guda 2000. An ba da cikakkun bayanai game da aljihun tef ɗin mai ɗaukar kaya da reel ɗin don sauƙaƙe saitin na'urar ɗaukar kaya da sanyawa ta atomatik.

7.2 Bayanin Alamar

Alamar reel ɗin ta ƙunshi lambobi da yawa don bin sawu da ƙayyadaddun bayanai:

• P/N:Lambar Samfur (misali, 45-21/YSC-AU1V1C/2T-AFM)
• LOT No:Lambar Rukunin Masana'anta
• QTY:Adadin Tattarawa
• CAT:Lambar Kwandon Ƙarfin Haske (misali, V1)
• HUE:Lambar Kwandon Tsawon Tsawon (misali, D4)
• REF:Lambar Kwandon Ƙarfin Wutar Lantarki na Gaba (misali, 2)

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

• Kayan Aikin Sadarwa:Alamomin matsayi da hasken baya don wayoyi da na'urorin faks.
• Kayan Lantarki na Masu Amfani:Hasken baya na LCD, masu canzawa, da alamomi.
• Hasken Gabaɗaya:Aikace-aikacen bututun haske don rarraba haske daidai, mai kyau don alamomin panel.
• Cikin Mota:Hasken baya na dashboard da sauran ayyukan hasken ciki (wanda ya cancanta zuwa AEC-Q101).

8.2 Abubuwan da ake la'akari da Ƙira

• Da'irar Tuƙi:Koyaushe aiwatar da resistor na jerin don saita halin gaba. Lissafa ƙimar resistor bisa ga ƙarfin wutar lantarki (V_CC), ƙarfin wutar lantarki na gaba na LED (V_Fdaga kwandon da ya dace), da halin da ake so (I_F, kada ya wuce 50mA ci gaba).
• Gudanar da Zafi:Yayin da ƙarancin wutar lantarki yake ƙasa, tabbatar da isasshen yanki na tagulla na PCB ko taimakon zafi idan ana aiki a yanayin zafi mai girma ko kusa da matsakaicin halin yanzu.
• Ƙirar Haske:Kusurwar dubawa na digiri 120 da ruwan tabarau mai tsabta sun sa wannan LED ya yi kyau don aikace-aikacen da ke buƙatar ganin kusurwar faɗi ko haɗawa cikin jagororin haske. Yi la'akari da rarraba ƙarfin kusurwa lokacin ƙirar bututun haske ko masu watsawa.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da LED na yau da kullun, wannan na'urar tana ba da fa'idodi masu mahimmanci da yawa don takamaiman aikace-aikace. Faɗin kusurwar dubawa na digiri 120 ya fi yawancin LED masu kusurwa mara kyau, yana ba da haske mai daidaito a cikin aikace-aikacen panel ba tare da na'urorin gani na biyu ba. Cancantar AEC-Q101 wani muhimmin bambance-bambance ne ga kasuwannin mota da sauran kasuwanni masu aminci, yana nuna gwaji mai tsanani don girgizar zafi, juriyar danshi, da kwanciyar hankali na dogon lokaci. Haɗin kayan AlGaInP don launukan rawaya/lemu/ja yawanci yana ba da ingantaccen inganci na haske da ingantaccen kwanciyar hankali na zafi fiye da tsofaffin fasahohi kamar GaAsP. Rashin halogen da bin ka'idodin marasa gubar yana tabbatar da bin ka'idodin muhalli na zamani.

10. Tambayoyin da ake yawan yi (Bisa ga Ma'auni na Fasaha)

10.1 Wane ƙimar resistor ne ya kamata in yi amfani da shi tare da samar da wutar lantarki 5V?

Yin amfani da matsakaicin ƙarfin wutar lantarki na gaba na 2.25V da manufar halin yanzu na 20mA, lissafin shine: R = (V_CC- V_F) / I_F= (5V - 2.25V) / 0.02A = 137.5 Ω. Matsakaicin resistor na 150 Ω zai haifar da ƙaramin halin yanzu, kusan 18.3mA, wanda yake da aminci kuma yana cikin ƙayyadaddun bayanai. Koyaushe yi amfani da matsakaicin V_Fdaga takardar bayanai (2.55V) don ƙirar mafi munin yanayi don tabbatar da cewa halin yanzu bai taɓa wuce iyakar da ake so ba.

10.2 Shin zan iya tuƙi wannan LED tare da siginar PWM don duhu?

Ee, canjin faɗin bugun jini (PWM) hanya ce mai inganci don duhu LEDs. Tabbatar da cewa matsakaicin halin yanzu a cikin kowane bugun bai wuce matsakaicin matsakaicin matsakaicin 50mA (ci gaba) ko 100mA (bugun jini) ba. Ya kamata mitar ta yi girma sosai (yawanci >100Hz) don guje wa flicker da ake iya gani.

10.3 Me ya sa tsarin ajiya da gasa yake da mahimmanci haka?

Fakitin SMD na iya ɗaukar danshi daga sararin samaniya. A lokacin tsarin solder reflow mai zafi, wannan danshin da aka kama zai iya faɗaɗa da sauri, yana haifar da rabuwa na ciki ko \"popcorning,\" wanda ke fashe fakitin kuma ya lalata na'urar. Tsarin gasa yana fitar da wannan danshin da aka ɗauka a hankali kafin ɓangaren ya shiga reflow.

11. Nazarin Shari'ar Ƙira mai Amfani

Yanayi:Ƙirar tarin alamomin matsayi don panel ɗin sarrafa masana'antu. Alamomin suna buƙatar ganin daga kusurwa mai faɗi, amintacce, kuma ana tuƙa su kai tsaye daga filayen GPIO na microcontroller na 3.3V.
Magani:Wannan LED ya dace sosai. Kusurwar dubawa na digiri 120 tana tabbatar da ganin daga matsayi daban-daban na ma'aikaci. Amintaccen matakin AEC-Q101 yana da amfani ga yanayin masana'antu. Don da'ira, ta amfani da samar da wutar lantarki 3.3V da zaton V_Fna 2.25V a 20mA, ana buƙatar resistor na jerin (3.3V - 2.25V)/0.02A = 52.5 Ω (yi amfani da 56 Ω). GPIO na microcontroller na iya nutsewa/samar da 20mA. Ƙarancin amfani da wutar lantarki (40mW kowane LED) yana rage samar da zafi akan panel.

12. Gabatarwar Ka'idar Aiki

Wannan diode ne mai fitar da haske na semiconductor. Lokacin da aka sanya ƙarfin wutar lantarki na gaba wanda ya wuce ƙarfin wutar lantarki na gaba (V_F) a kan anode da cathode, ana shigar da electrons da ramuka cikin yanki mai aiki na guntu na semiconductor na AlGaInP. Waɗannan masu ɗaukar caji suna sake haɗuwa, suna sakin makamashi a cikin nau'in photons. Takamaiman abun da ke cikin gami na AlGaInP yana ƙayyade makamashin bandgap, wanda ke ayyana tsawon tsawon (launi) na hasken da aka fitar—a wannan yanayin, rawaya mai haske (~591 nm). Resin epoxy mai tsabta yana kare guntu kuma yana aiki azaman ruwan tabarau, yana siffanta fitar da haske don cimma ƙayyadaddun kusurwar dubawa na digiri 120.

13. Trends na Fasaha

Gabaɗayan yanayin a cikin LED na nuni yana zuwa ga ingantaccen inganci (ƙarin fitar da haske a kowace watt), ƙananan girman fakitin don allunan girma mai girma, da ƙara haɗin fasali kamar ƙa'idodin halin yanzu na gini ko diodes na kariya. Hakanan akwai ƙwarin gwiwa mai ƙarfi don bin ka'idodin muhalli mai faɗi (fiye da RoHS don haɗa abubuwa kamar PFAS) da ingantattun ka'idodin aminci don aikace-aikacen mota da masana'antu, kamar yadda aka gani tare da cancantar AEC-Q101 na wannan ɓangaren. Amfani da ingantattun kayan semiconductor kamar AlGaInP yana ci gaba da samar da ingantaccen aiki don launuka ja, lemu, da rawaya idan aka kwatanta da LED fari da aka tace ko aka canza phosphor.