Jan LED 2.7x2.0x0.6mm - Wutar Gaba 2.0-2.6V - Iko 2.184W - Tsawon Tashin Hasken 617nm - Matsayin Mota

1. Bayanai Game da Samfurin

1.1 Bayanin Gabaɗaya

An yi na'urorin jan haske tare da AlGaInP (Aluminum Gallium Indium Phosphide) akan substrate na LED. Girman kunshin samfurin shine 2.7 mm x 2.0 mm x 0.6 mm (tsawo x fadi x tsawo). An rufe LED ɗin a cikin kunshin EMC (Epoxy Molding Compound) wanda ke ba da amintaccen aiki da kyakkyawan aikin zafi.

1.2 Abubuwan Fasaha

• Kunshin EMC don ƙarfin injiniya da zafin jiki.
• Kusurwar kallo mai fadi sosai na digiri 120.
• Ya dace da duk hanyoyin haɗa SMT da haɗe-haɗe.
• Ana samun shi akan tef da juyi don ɗauka ta atomatik.
• Matsayin Launi: Matsayi 2 (MSL 2).
• Yarda da dokokin RoHS da REACH.
• Cancanta bisa ga gwajin damuwa AEC-Q102 don na'urorin semiconductor na mota.

1.3 Aikace-aikace

Hasken mota na ciki da waje wanda ya haɗa da hasken yanayi na ciki, fitilun sigina na waje, fitilun baya, masu nuna hanya, da sauran ayyukan hasken da ke buƙatar aminci mai girma.

2. Binciken Fasaha Mai Zurfi

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

A gaban wutar lantarki na 700 mA, LED ɗin yana nuna halaye na lantarki da haske masu zuwa:

• Wutar Gaba (VF): 2.0 V (kadan) zuwa 2.6 V (mafi girma). Ana sarrafa wannan kewayon ta hanyar binning.
• Wutar Baya (IR): Mafi girma 10 μA a wutar baya na 5 V.
• Haske (Φ): 105 lm (kadan) zuwa 140 lm (mafi girma) a 700 mA. Ana samun ingantaccen haske ta hanyar tsarin chip mai inganci.
• Tsawon Tashin Hasken Wd: 612.5 nm (kadan), 617 nm (na yau da kullun), 620 nm (mafi girma). Wannan yana sanya haske a cikin jan yanki na haske mai gani.
• Kusurwar Kallo (2θ1/2): digiri 120 (na yau da kullun). Babban kusurwar haske yana tabbatar da rarraba haske daidai.
• Juriya na Zafi (RTHJ-S): Mafi girma 15 °C/W. Ƙananan juriya na zafi yana taimakawa wajen watsa zafi zuwa haɗin haɗi.

2.2 Matsakaicin Matsayi na Ƙarshe

Kada a yi amfani da na'urar fiye da waɗannan iyakoki don gujewa lalacewa ta dindindin:

• Rarraba Iko (PD): 2184 mW
• Wutar Gaba (IF): 840 mA
• Wutar Gaba Mafi Girma (IFP): 1000 mA (1/10 zagayowar aiki, tsawon bugun 10 ms)
• Wutar Baya (VR): 5 V
• Rashin Lantarki (ESD, HBM): 2000 V (90% amfanin; ana buƙatar kulawa daidai)
• Zafin Aiki (TOPR): -40 °C zuwa +125 °C
• Zafin Ajiya (TSTG): -40 °C zuwa +125 °C
• Zafin Junction (TJ): 150 °C (mafi girma)

2.3 Kewayon Bin na Wutar Gaba da Haske

Don tabbatar da daidaito, kowane LED ana rarraba shi cikin bins bisa ga wutar gaba, haske, da tsawon tashin haske a IF=700 mA:

Bins na Wutar Gaba:

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

Bins na Haske:

• SA: 105 lm – 117 lm
• SB: 117 lm – 130 lm
• TA: 130 lm – 140 lm

Bins na Tsawon Tashin Hasken:

• 612.5 – 615 nm
• 615 – 617.5 nm
• 617.5 – 620 nm

Abokan ciniki ya kamata su ayyana bins ɗin da suke so don aikace-aikacen su. Lambar bin akan label (misali, VF: D0, Flux: SB, Wavelength: 615-617.5) yana ba da damar gano asali.

3. Binciken Lanƙwasa Aiki

3.1 Wutar Gaba da Wutar Gaba (I-V Curve)

Lanƙwasa halayyar tana nuna karuwa mai yawa na wutar gaba tare da wutar gaba. A 700 mA, VF yana tsakanin 2.0 da 2.6 V. Siffar lanƙwasa na yau da kullun ne ga diodes na AlGaInP.

3.2 Wutar Gaba da Tsananin Hasken Dangantaka

Tsananin haske yana ƙaruwa da layi a ƙananan wutar lantarki kuma a hankali yana cika a manyan wutar lantarki saboda zafi. A 700 mA, tsananin haske yana kusa da 100%, yana ba da inganci mafi kyau.

3.3 Zafin Haɗin Haɗi da Tsananin Hasken Dangantaka

Yayin da zafin wurin haɗin haɗi (Ts) ya karu daga 20°C zuwa 120°C, tsananin haske yana raguwa zuwa kusan 80%, yana nuna raguwar zafi mai mahimmanci. Ana buƙatar kula da zafi mai kyau don kiyaye haske.

3.4 Zafin Haɗin Haɗi da Wutar Gaba (Rage Haquri)

Dole ne a rage mafi girman wutar gaba da aka yarda yayin da zafin jiki ya tashi don kiyaye zafin junction ƙasa da 150°C. A Ts=100°C, ana ba da izinin kusan 600 mA.

3.5 Wutar Gaba da Zafin Haɗin Haɗi

Wutar gaba tana raguwa da layi tare da karuwar zafin jiki (mara kyau coefficient na zafin jiki). Wannan yana taimakawa wajen daidaita wutar lantarki a cikin layukan layi daya amma dole ne a yi la'akari da shi a cikin tsari.

3.6 Hoto na Hasken

LED ɗin yana fitar da haske a kan kusurwa mai fadi na 120° (cikakken fadin rabin mafi girma). Tsarin haske yana kama da Lambertian, wanda ya dace da haskakawa daidai.

3.7 Wutar Gaba da Tsawon Tashin Hasken

Karuwa da wutar gaba daga 0 zuwa 250 mA yana haifar da ɗan ƙaramin jan haske na kusan 2 nm. Wannan tasirin ba shi da yawa amma ana iya la'akari da shi a aikace-aikacen da ke buƙatar daidaitaccen launi.

3.8 Rarraba Hasken

Hasken fitarwa yana koli a kusan 617 nm tare da ƙaramin fadin rabin mafi girma (FWHM) na kusan 20 nm, wanda ya zama na yau da kullun ga jan LED na AlGaInP. Babu ƙarin koli a cikin UV ko IR.

4. Bayanan Injiniya da Kunshin

4.1 Girman Kunshin

Kunshin LED ɗin yana da girman kallon sama na 2.70 mm x 2.00 mm da tsawo na 0.60 mm. Kallon ƙasa yana nuna faranti biyu na anode (A) da cathode (C) masu girman 1.30 mm x 0.45 mm tare da tazarar 1.20 mm. An yi alamar polarity akan kunshin. Tsarin haɗa da aka ba da shawarar ya haɗa da faranti na zafi don watsa zafi.

4.2 Girman Tefin Jigilar Kaya

Tefin jigilar kaya yana da girman aljihu: A0=2.10±0.1 mm, B0=3.05±0.1 mm, K0=0.75±0.1 mm. Fadin tef W=8.0±0.2 mm. Ramuka: D0=1.55±0.05 mm, E=1.75±0.1 mm, P0=4.0±0.1 mm, P1=4.0±0.1 mm, P2=2.0±0.1 mm, F=3.5±0.1 mm, D1=1.0±0.1 mm.

4.3 Girman Juyi

Girman juyi: diamita na ciki 12±0.1 mm, diamita na waje 180±1 mm, fadi 60±1 mm, rami na waje 13.0±0.5 mm.

4.4 Bayanan Label

Kowane juyi da jakar hana danshi ana yiwa alama da lambar sashi, lambar bayani, lambar yawa, lambobin bin (na haske, chromaticity, wutar lantarki, tsawon tashin haske), adadi, da lambar kwanan wata.

5. Jagorar Haɗa da Haɗuwa

5.1 Tsarin SMT Reflow Haɗa

Tsarin haɗa da aka ba da shawarar yana tabbatar da amintaccen haɗin haɗi ba tare da lalata LED ɗin ba. Mahimman sigogi: Preheater daga 150°C zuwa 200°C na 60-120 seconds; haɓakawa zuwa 217°C; lokaci sama da 217°C: mafi girma 60 seconds; mafi girman zafin jiki 260°C na mafi girma 10 seconds; saurin sanyaya mafi girma 6°C/s. Kada a yi fiye da zagayowar reflow biyu. Idan fiye da sa'o'i 24 sun rabu tsakanin reflows biyu, LED ɗin na iya ɗaukar danshi kuma ya lalace.

5.2 Gyara

Ba a ba da shawarar gyara bayan haɗa ba. Idan ba zai yuwu ba, yi amfani da ƙarfe mai haɗa biyu kuma tabbatar da tasiri akan halayen LED.

5.3 Gargadi

• Rufin silicone yana da laushi; guji matsin lamba a saman.
• Kada a sa a kan PCB da ya karkata ko lanƙwasa bayan haɗa.
• Guji damuwa na injiniya da girgiza yayin sanyaya.
• Kada a sanyaya na'urar da sauri bayan haɗa.

6. Bayanan Kunshin da Oda

6.1 Bayanin Kunshin

Kunshin daidaitaccen: 4000 guda a kowane juyi. Ana rufe kowane juyi a jakar hana danshi tare da bushewa da kati na nuna danshi.

6.2 Kunshin Hana Danshi

Ana sanya juyi a jakar hana danshi tare da label. An rufe jakar da iska don hana shigar danshi.

6.3 Akwatin Kwali

Ana tattara juyi da yawa a cikin akwatin kwali don jigilar kaya. An yiwa akwatin alama da bayanan samfurin.

6.4 Abubuwan Gwajin Aminci da Sharuɗɗa

Matsayi: canjin VF ≤ 10% na USL, IR ≤ 200% na USL, haske ≥ 70% na LSL.

6.5 Matsayi don Yanke Lalacewa

Bayan gwajin aminci, ana ɗaukar LED ɗin ya gaza idan wutar gaba ta wuce sau 1.1 na babban iyakokin bayani (USL), wutar baya ta wuce sau 2.0 na USL, ko kuma haske ya ragu ƙasa da sau 0.7 na ƙananan iyakokin bayani (LSL).

7. Shawarwari na Aikace-aikace

Lokacin tsarawa tare da wannan jan LED, yi la'akari da waɗannan:

• Kula da Zafin Jiki:Yi amfani da isasshen yanki na jan ƙarfe akan PCB kuma tabbatar da kyakkyawar hulɗa da zafi don kiyaye zafin haɗin haɗi a cikin iyakoki. Zafin Junction bai kamata ya wuce 150°C ba.
• Ƙuntatawa na Wutar Lantarki:Mai hana wutar lantarki ko direba mai dindindin yana da mahimmanci don hana guduwar wuta saboda mummunan coefficient na zafin jiki na VF.
• Kariya ta ESD:Yi amfani da na'urorin kariya ta ESD (misali, diodes na TVS) kuma bi hanyoyin kula da ESD.
• Ƙuntatawa na Muhalli:Muhalli da kayan haɗin dole ne su kasance da abun sulfur ƙasa da 100 ppm, bromine da chlorine kowanne ƙasa da 900 ppm, kuma jimlar ƙasa da 1500 ppm. Guji VOCs waɗanda zasu iya canza launin silicone.
• Ajiya:Ajiye jakuna marasa buɗewa a ≤30°C, ≤75% RH har zuwa shekara 1. Bayan buɗewa, yi amfani da su a cikin sa'o'i 24 a ≤30°C, ≤60% RH. Gashi a 60±5°C na >24 hours idan ya wuce waɗannan iyakoki.

8. Kwatanta Fasaha

Idan aka kwatanta da jan LED na al'ada wanda ke amfani da kunshin PPA ko PCT, wannan na'urar da aka ɗora a cikin EMC tana ba da kwanciyar hankali na zafi mafi girma, kusurwar haske mai fadi, da juriya na zafi mafi ƙarami. Cancanta AEC-Q102 yana tabbatar da amincin matsayin mota. Binning mai tsauri a cikin wutar lantarki, haske, da tsawon haske yana ba da daidaito mafi kyau don samarwa da yawa.

9. Tambayoyin da Aka Yi Yawa

1. Tambaya: Menene wutar gaba ta yau da kullun a 700 mA?Amsa: Yana tsakanin 2.0 V da 2.6 V dangane da bin. Mafi yawan bins suna kusa da 2.2-2.4 V.
2. Tambaya: Zan iya tuka wannan LED da wutar lantarki mai bugun?Amsa: Ee, ana ba da izinin mafi girman wutar lantarki har zuwa 1000 mA tare da 1/10 zagayowar aiki da tsawon bugun 10 ms.
3. Tambaya: Shin wannan LED ya dace da hasken mota na waje?Amsa: Ee, ya cancanta ga AEC-Q102 kuma yana iya jure -40°C zuwa +125°C.
4. Tambaya: Yaya zan kula da laushin danshi?Amsa: Bi hanyoyin MSL2. Gashi idan ya cancanta.
5. Tambaya: Zan iya amfani da ultrasonic tsaftacewa?Amsa: Ba a ba da shawarar ba; yi amfani da isopropyl alcohol idan ana buƙatar tsaftacewa.

10. Misalan Aikace-aikace

Misali 1: Hasken Baya na Mota.Ana sanya jan LED da yawa a cikin jeri don cimma hasken baya da ake buƙata. Tsarin jerin-layi tare da masu daidaita wutar lantarki. Kula da zafi mai kyau ta hanyar PCB mai tushen ƙarfe.

Misali 2: Hasken Yanayi na Ciki.Ana amfani da jan LED don hasken yanayi. PWM dimming da microcontroller ke sarrafa. Kusurwar haske mai fadi tana tabbatar da haskakawa daidai.

11. Ka'idar Aiki

LED ɗin ya dogara ne akan tsarin heterostructure na AlGaInP wanda aka girma a kan substrate na GaAs. Lokacin da aka yi amfani da wutar gaba, electrons daga n-side da holes daga p-side suna haɗuwa a yankin aiki, suna fitar da photons tare da makamashi daidai da bandgap. Abun da ke cikin Layer na AlGaInP an daidaita shi don samun haske a kusan 617 nm. Substrate yana ɗaukar gajerun tsawan haske, kuma kunshin EMC yana kare chip kuma yana ba da haske.

12. Hanyoyin Ci Gaba

Masana'antar hasken mota tana motsawa zuwa inganci mafi girma, ƙarami, da haɗa ayyuka masu hankali. LEDs tare da ƙananan kunshin (kamar wannan 2.7x2.0 mm) suna ba da damar samun tsarin haske mai sirara. Ci gaban fasahar chip na ci gaba da inganta haske. Bugu da ƙari, karuwar amfani da fitilun baya na full LED da fitilun gaba na matrix yana haifar da buƙatar abubuwan da suka dace, cancantar AEC-Q102. Wannan samfurin ya dace da waɗannan hanyoyin ta hanyar bayar da binning mai tsauri, aminci mai girma, da ƙaramin sawun.