2820 SMD LED Takardar Bayani - 2.8x2.0mm - Launi Amber - 3.25V Na Yau da Kullun - 0.975W - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Jerin 2820-PA3001M-AM na'urar LED ce mai ƙarfi, mai hawa a saman (SMD) wacce aka tsara don aikace-aikace masu ƙarfi, musamman a fagen hasken mota. Wannan LED tana amfani da fasahar canza phosphor don samar da fitowar launin amber na musamman. Babban fa'idodinta sun haɗa da ƙaramin girma na fakiti 2820, ƙaƙƙarfan gini wanda ya dace da yanayin mota, da bin ƙaƙƙarfan ƙa'idodin masana'antu kamar AEC-Q102, RoHS, REACH, da buƙatun marasa halogen. Babbar kasuwa ita ce hasken waje da na ciki na mota, inda amincin, daidaiton launi, da aiki a ƙarƙashin yanayin zafi daban-daban suke da muhimmanci.

2. Zurfafa Bayanan Fasaha

2.1 Halayen Hoto da Na'ura

Babban aikin LED an ayyana shi a ƙarƙashin daidaitaccen gwajin na'ura na 300 mA. A wannan na'urar tuƙi, hasken haske na yau da kullun shine lumens 75 (lm), tare da mafi ƙarancin 60 lm da matsakaicin 90 lm. Babban tsayin raƙuman ruwa an ayyana shi ta hanyar daidaitattun ma'auni na launi, tare da CIE-x na yau da kullun na 0.575 da CIE-y na 0.418, yana sanya shi a cikin yankin amber na bakan launi. Ƙarfin ƙarfi na gaba (Vf) yakan auna volts 3.25, tare da kewayon daga 2.75V zuwa 3.75V a 300 mA. Wannan ma'auni yana da mahimmanci don ƙirar tuƙi da lissafin sarrafa zafi. Na'urar tana ba da faɗin kusurwar kallo na digiri 120, yana tabbatar da kyakkyawan rarraba haske a sarari.

2.2 Matsakaicin Matsayin Cikakke da Kaddarorin Zafi

Don tabbatar da amincin dogon lokaci, ba za a iya aiki da na'urar fiye da Matsakaicin Matsayinta na Cikakke ba. Matsakaicin ci gaba na gaba na yanzu shine 350 mA, tare da ƙarfin ƙarfin ƙarfi na 750 mA don bugun jini ≤10 μs. Matsakaicin ɓarnawar wutar lantarki shine 1225 mW. Yanayin zafi na haɗin gwiwa (Tj) bai kamata ya wuce 150°C ba, tare da kewayon yanayin aiki daga -40°C zuwa +125°C. Gudanar da zafi shine mahimmin la'akari da ƙira; juriyar zafi daga haɗin gwiwa zuwa wurin solder an ƙayyade shi da ƙima biyu: ma'aunin lantarki (Rth JS el) na 15 K/W da ainihin ma'auni (Rth JS real) na 22 K/W. Ya kamata a yi amfani da mafi girman ƙimar gaske don ingantaccen ƙirar zafi a cikin aikace-aikacen.

3. Bayanin Tsarin Rarraba

Ana rarraba LED ɗin zuwa kwandon shara don tabbatar da daidaito a cikin mahimman ma'auni, wanda ke da mahimmanci don aikace-aikacen da ke buƙatar kamanni da aiki iri ɗaya.

3.1 Rarraba Hasken Hasken

Ana rarraba hasken haske zuwa kwandon shara F6, F7, da F8, suna wakiltar mafi ƙarancin zuwa matsakaicin kewayon haske na 60-70 lm, 70-80 lm, da 80-90 lm, bi da bi. Wannan yana ba masu ƙira damar zaɓar LED ɗin dangane da matakin haske da ake buƙata don takamaiman aikace-aikacensu.

3.2 Rarraba Ƙarfin Ƙarfi na Gaba

An rarraba ƙarfin ƙarfi na gaba don taimakawa wajen ƙirar da'ira da kuma rarraba LED ɗin tare da halayen lantarki iri ɗaya. Kwandon shara sun haɗa da 2730 (2.75V-3.00V), 3032 (3.00V-3.25V), 3235 (3.25V-3.50V), da 3537 (3.50V-3.75V). Daidaita kwandon shara na Vf na iya taimakawa wajen samun mafi daidaiton rabon na'ura a cikin jerin LED masu yawa.

3.3 Rarraba Launi

An sarrafa launin amber sosai a cikin takamaiman yankuna na launi akan zanen CIE 1931. An ayyana manyan kwandon shara guda biyu, YA da YB, tare da takamaiman iyakoki na daidaitawa. Kwandon shara na YA ya ƙunshi amber mai launin rawaya, yayin da kwandon shara na YB ya ƙunshi amber mai ja. Tebbacin da aka bayar da tebur na daidaitawa suna ba masu ƙira damar ƙayyade ainihin wurin launin da ake buƙata don aikace-aikacensu, yana tabbatar da daidaiton gani a cikin raka'a ko samfura da yawa.

4. Bincike na Lanƙwasa Aiki

4.1 Lanƙwasa IV da Hasken Hasken vs. Na'ura

Graf na Gaba Na'ura vs. Ƙarfin ƙarfi na Gaba yana nuna alaƙar alaƙa ta musamman. Fahimtar wannan lanƙwasa yana da mahimmanci don ƙirar da'irar iyakance na'ura. Graf na Dangantakar Hasken Hasken vs. Na'ura ta Gaba tana nuna cewa fitowar haske yana ƙaruwa tare da na'ura amma ya fara nuna alamun jikewa da rage inganci a manyan na'ura, yana mai da hankali kan mahimmancin aiki a cikin yanayin da aka ba da shawarar.

4.2 Dogaro da Yanayin Zafi

Aikin LED yana shafar yanayin zafi sosai. Graf na Dangantakar Hasken Hasken vs. Yanayin Zafi na Haɗin gwiwa yana nuna raguwar fitowar haske a fili yayin da yanayin zafi na haɗin gwiwa ya tashi. Misali, a 125°C, hasken na iya zama kawai 70-80% na ƙimarsa a 25°C. Graf na Ƙarfin Ƙarfi na Gaba vs. Yanayin Zafi na Haɗin gwiwa yana nuna ƙimar zafi mara kyau, inda Vf ke raguwa a layi daya tare da ƙara yawan zafi. Wannan kadari wani lokaci ana amfani dashi don jin yanayin zafi. Graf na Canjin Launi vs. Yanayin Zafi na Haɗin gwiwa yana nuna yadda wurin launin amber zai iya ɗan motsi da yanayin zafi, wanda la'akari ne don aikace-aikacen masu mahimmanci na launi.

4.3 Rarraba Bakan da Tsarin Radiation

Graf na Rarraba Bakan Dangantaka yana tabbatar da launin amber, yana nuna babban kololuwa a yankin rawaya-lemu tare da ƙaramin fitarwa a cikin bakan shuɗi, kamar yadda ake tsammani daga LED da aka canza da phosphor. Zanen Yau da Kullun na Halayen Radiation yana kwatanta rarraba ƙarfin sarari, yana tabbatar da kusurwar kallo na 120° inda ƙarfin ya faɗi zuwa rabin ƙimar kololuwa a ±60° daga layin tsakiya.

5. Bayanin Injiniya da Fakiti

5.1 Girman Fakiti

LED ɗin yana cikin fakiti 2820, wanda ke auna tsawon 2.8mm da faɗin 2.0mm. Cikakken zanen injiniya yana ba da duk mahimman girma, gami da tsawan ruwan tabarau, girman kushin, da juriya (yawanci ±0.1mm). Wannan bayanin yana da mahimmanci don ƙirar sawun PCB da kuma tabbatar da ingantacciyar sharewa a cikin taron ƙarshe.

5.2 Tsarin Kushin Gyarar da Aka Ba da Shawara

Wani zanen na musamman yana nuna mafi kyawun ƙirar ƙirar ƙasa (kushin gyarar) na PCB. Bin wannan shawarar yana da mahimmanci don cimma ingantattun haɗin gwiwa, daidaitaccen canja wurin zafi daga kushin zafin LED zuwa PCB, da hana kabari ko kuskure yayin gyarar sake kunnawa. Ƙirar yawanci ta haɗa da kushin zafi na tsakiya don watsar da zafi da ƙananan kushin anode/cathode guda biyu.

5.3 Gano Polarity

Takardar bayani tana nuna alamun polarity akan kanta. Daidaitaccen alkibla yayin sanyawa yana da mahimmanci don LED ɗin yin aiki. Ana yiwa alama da cathode, sau da yawa tare da tsaga, alamar kore, ko girman kushin/siffa daban-daban.

6. Jagororin Gyarawa da Taro

6.1 Bayanin Gyarar Sake Kunnawa

An ƙididdige na'urar don gyarar sake kunnawa tare da matsakaicin zafin jiki na 260°C na matsakaicin dakika 30. Ana ba da cikakken graf na bayanin sake kunnawa, yana nuna matakan da aka ba da shawarar na riga-kafi, jiƙa, sake kunnawa, da sanyaya. Yin bin wannan bayanin yana hana lalacewar zafi ga fakitin LED, haɗin gwiwa, da ciki.

6.2 Kariya don Amfani

Kariya na gaba ɗaya na sarrafawa sun haɗa da guje wa damuwa na injiniya akan ruwan tabarau, kare na'urar daga fitar da wutar lantarki (ESD mai ƙima a 8kV HBM), da adanawa a cikin yanayi mai bushewa (MSL 2). Ba a tsara na'urar don aikin ƙarfin ƙarfi na baya ba. Lanƙwasa rage ƙarfin ƙarfi na gaba yana da mahimmanci: yayin da yanayin zafi na kushin ya ƙaru, dole ne a rage matsakaicin na'urar ci gaba da ci gaba. Misali, a yanayin zafin kushin na 125°C, matsakaicin na'ura shine 350 mA.

7. Bayanin Fakiti da Oda

7.1 Ƙayyadaddun Fakiti

Ana ba da LED ɗin akan tef da reel don haɗawa ta atomatik. Bayanin fakiti yana cikakken bayanin girman reel, faɗin tef, tazarar aljihu, da alkiblar abubuwan da ke kan tef ɗin. Wannan bayanin yana da mahimmanci don shirya injin ɗauka da sanyawa.

7.2 Lambar Bangare da Lambar Oda

Lambar bangare 2820-PA3001M-AM tana bin takamaiman tsari wanda ke ɓoye mahimman halaye kamar girman fakiti (2820), launi (PA don Phosphor Amber), na'ura mai suna (300mA), da sauran lambobin ciki. Bayanin oda yana bayyana yadda ake ƙayyade kwandon shara da ake so don hasken haske (lambar F), ƙarfin ƙarfi na gaba (lambar V), da launi (lambar C) don samun ainihin aikin da ake buƙata.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Babban aikace-aikacen shine hasken mota. Wannan ya haɗa da fitilun gudu na rana (DRLs), alamun juyawa, fitilun alamar gefe, hasken yanayi na ciki, da fitilun tsakiyar tsayawa mai tsayi (CHMSL). Launinsa na amber da babban aminci sun sa ya zama kyakkyawan don ayyukan siginar mahimmanci na aminci.

8.2 La'akari da Ƙira

Mahimman abubuwan ƙira sun haɗa da:

• Gudanar da Zafi:Yi amfani da PCB tare da isassun hanyoyin zafi a ƙarƙashin kushin zafi, mai yiwuwa an haɗa shi da zubar da tagulla ko heatsink, don kiyaye yanayin zafi na haɗin gwiwa ƙasa da kuma kiyaye fitowar haske da tsawon rai.
• Da'irar Tuƙi:Ai wanda ya dace da kewayon Vf na LED kuma yana iya samar da har zuwa 350 mA. Yi la'akari da kariyar ƙarfin shiga.
• Ƙirar Gani:Kusurwar kallo na 120° na iya buƙatar na'urori na biyu (ruwan tabarau, masu nunawa) don siffantar katakon don takamaiman aikace-aikace kamar alamun juyawa.
• Kariyar Muhalli:Don aikace-aikacen waje, tabbatar da cewa an kare LED ɗin yadda ya kamata daga danshi da gurɓataccen abu, sau da yawa ta hanyar rufi mai daidaituwa ko ɗauke cikin rukunin fitila mai rufi.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da daidaitattun LED ɗin amber marasa matakin mota, jerin 2820-PA3001M-AM suna ba da fa'idodi na musamman:

• Ingancin Mota (AEC-Q102):Yana jurewa gwaji mai tsauri don zagayowar zafi, danshi, rayuwar aiki mai zafi (HTOL), da sauran damuwa, yana tabbatar da aminci a cikin mummunan yanayin mota.
• Juriya Sulfur (Aji A1):An gwada kuma an ba da takaddun shaida don jure yanayin da ke ɗauke da sulfur, wanda shine yanayin gazawa na gama gari a wasu yankuna ko yanayin masana'antu.
• Ba tare da Halogen ba:Yana bin ƙa'idodin muhalli da ke hana abun ciki na bromine da chlorine.
• Daidaitaccen Rarraba:Ƙaƙƙarfan rarraba akan haske, ƙarfin lantarki, da launi yana tabbatar da aikin da ake iya faɗi da kamanni iri ɗaya a cikin aikace-aikacen LED masu yawa, wanda ba a tabbatar da shi da sassan kasuwanci ba.

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

Q: Menene ainihin amfani da wutar lantarki na wannan LED?

A: A wurin aiki na yau da kullun na 300 mA da 3.25V, ƙarfin lantarki shine Watts 0.975. Koyaya, matsakaicin ƙimar ɓarnawar wutar lantarki na 1.225W yana la'akari da jimillar makamashi, gami da ɓangaren da ba na radiation (zafi) ba.

Q: Ta yaya zan fassara ƙimar juriyar zafi daban-daban guda biyu (15 K/W da 22 K/W)?

A: Yi amfani da mafi girman ƙima (22 K/W, Rth JS real) don ƙirar zafi. Ƙananan ƙimar (15 K/W) an samo shi daga hanyar aunawa ta lantarki kuma bazai iya wakiltar hanyar zafi a cikin aikace-aikacen gyarar gaske ba.

Q: Zan iya tuƙa wannan LED tare da tushen ƙarfin lantarki na yau da kullun?

A: An ƙarfafa hana shi sosai. LED ɗin na'urori ne masu tuƙi. Ƙananan canji a cikin ƙarfin ƙarfi na gaba (saboda yanayin zafi ko bambancin kwandon shara) na iya haifar da babban canji a cikin na'ura tare da tushen ƙarfin lantarki na yau da kullun, mai yiwuwa ya haifar da guduwar zafi da gazawar na'ura. Koyaushe yi amfani da direban na'ura mai ci gaba.

Q: Takardar bayani tana nuna ƙimar ƙarfin ƙarfi. Zan iya amfani da wannan don aikin bugun jini?

A: Ee, don gajerun bugun jini. 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. Practical Design Case Study

Scenario: Designing an automotive rear turn signal cluster using 6 LEDs.

1. Target Specification:Meet regulatory photometric requirements (intensity, color).

2. LED Selection:Choose bin F7 for flux (70-80 lm) and bin YB for a specific amber hue. Select Vf bin 3032 for predictable driver design.

3. Thermal Design:Design a PCB with a 2-oz copper layer and an array of thermal vias directly under each LED's thermal pad, connected to a large rear copper plane acting as a heatsink. Use the derating curve to ensure pad temperature stays below 100°C at ambient 85°C to allow full 300mA drive.

4. Electrical Design:Use a single constant-current driver capable of 1.8A (6 * 300mA). Connect the 6 LEDs in series to ensure identical current through each, requiring a driver output voltage > 6 * 3.75V (max Vf) = 22.5V.

5. Optical/Mechanical:Design a housing with a diffuser lens to blend the light from the 6 discrete sources into a uniform illuminated area, complying with the required viewing angles for turn signals.

. Technology Principle Introduction

This LED is aphosphor-converted amber (PCA)device. It likely uses a blue or near-UV semiconductor die (chip). This primary light from the die is not emitted directly. Instead, it excites a layer of phosphor material deposited on or around the die. This phosphor absorbs the higher-energy blue/UV photons and re-emits lower-energy photons across a broader spectrum, predominantly in the yellow, orange, and red regions. The combination of the remaining unconverted blue light and the phosphor's yellow-red emission results in the perceived amber color. This method allows for precise tuning of the color coordinates by adjusting the phosphor composition and thickness, offering advantages in color consistency and stability compared to direct amber semiconductor LEDs.

. Industry Trends and Developments

The automotive LED lighting market continues to evolve with several clear trends influencing devices like the 2820 series:

• Increased Efficiency (lm/W):Ongoing improvements in semiconductor epitaxy, phosphor efficiency, and package design drive higher luminous efficacy, allowing for brighter lights or lower power consumption.
• Miniaturization:While the 2820 is a standard package, there is a push for smaller, high-power density packages (e.g., 2016, 1515) to enable sleeker, more compact lamp designs.
• Enhanced Reliability and Robustness:Standards like AEC-Q102 are becoming the baseline. Further development focuses on improved resistance to specific stressors like electrostatic discharge (ESD), reverse bias, and harsh chemical environments.
• Smart and Adaptive Lighting:LEDs are becoming integral to advanced systems like adaptive driving beams (ADB) and pixelated headlights. This drives demand for LEDs with faster switching capabilities and tighter optical control, though the 2820 is more suited for conventional signaling functions.
• Color Tuning and Expanded Gamut:For interior ambient lighting, there is growing interest in multi-color or tunable-white LEDs, moving beyond fixed-color LEDs like this amber device.