Bayani na LED Yellow 3.2x3.0x0.6mm - Ƙarfin Wuta na Gaba 5.4-6.6V - Wutar 1.32W - Yawan Haske 83.7-117lm - Matsayin Mota

1. Bayani Game da Samfurin

Wannan LED Yellow wani na'ura ne mai kyau na SMD wanda aka kera don aikin hasken mota mai wuya. An yi shi ta amfani da blue chip tare da yellow phosphor conversion layer, yana samar da hasken yellow mai cikawa da daidaiton launi. Girman na'urar shine 3.2mm x 3.0mm x 0.6mm (tsawo x fadi x tsayi), yana dacewa da ƙirar da ke da ƙarancin sarari yayin da yake ba da haske mai yawa. Mahimmin bayanai sun haɗa da ƙarfin wuta na gaba na yau da kullun 5.4V zuwa 6.6V a 150mA, yawan haske daga 83.7lm zuwa 117lm, da iyakar wutar lantarki 1.32W. An inganta LED ɗin bisa ga gwajin AEC-Q101 don na'urorin semiconductor masu inganci na mota, yana tabbatar da dogaro a ƙarƙashin yanayin aiki mai wahala. Ana ba da shi a cikin tape and reel packaging tare da 4000 pieces a kowace reel, mai dacewa da tsarin haɗin SMT na yau da kullun.

1.1 Bayani Gabaɗaya

LED Yellow wani na'ura ne na SMD wanda yake amfani da blue LED chip da aka rufe da phosphor don canza hasken blue zuwa hasken yellow. An yi fakitin da kayan EMC (Epoxy Molding Compound), wanda ke ba da juriyar zafi mai kyau, ƙarfin inji, da aikin gani. Girman samfurin daidai yake 3.20mm x 3.00mm x 0.60mm, tare da haƙuri ±0.2mm sai dai in an faɗi. LED ɗin yana da faɗin kallon kusurwa 120 degrees (half-intensity angle), yana sa ya zama mai dacewa ga aikace-aikacen nuni da haskakawa waɗanda ke buƙatar rarraba haske mai faɗi.

1.2 Fasaloli

• Fakitin EMC don ingantaccen dogaro da zafi da inji
• Faɗin kallon kusurwa sosai (2θ1/2 = 120°)
• Ya dace da duk tsarin haɗin SMT da walda (mai dacewa da reflow soldering)
• Ana samunsa a kan tape da reel (4000 pieces/reel)
• Matsayin damshin ruwa: Level 2 (bisa ga JEDEC)
• Yana biyan buƙatun RoHS da REACH
• An inganta shi bisa ga AEC-Q101 Stress Test Qualification don na'urorin semiconductor na mota

1.3 Aikace-aikace

Hasken mota a ciki da waje, gami da amma ba'a iyakance ga: nuna allon kayan aiki, haskaka maɓallai, haske na yanayi, nuna alamar juyawa, da haske na ado. Faɗin zazzafan aiki (-40°C zuwa +110°C) da dogaro mai girma sun sa ya dace da haskakawa a ƙarƙashin murfin mota da waje inda akwai matsanancin zazzabi da girgiza.

2. Fahimtar Ma'auni na Fasaha Ciki

2.1 Halayen Lantarki da Ganuwa (a Ts=25°C)

Kewayon ƙarfin wuta na gaba yana da faɗi (5.4V zuwa 6.6V), wanda ya zama na yau da kullun ga LEDs yellow da aka canza ta amfani da blue chip mai ƙarfin wuta mai girma. Binning na yawan haske yana tabbatar da zaɓin haske mai daidaito. Juriya na zafi 21°C/W (max) yana nuna ingantaccen canja wurin zafi daga junction zuwa wurin walda, muhimmin don kiyaye zafin junction ƙasa da iyakar maki 125°C.

2.2 Matsakaicin Matsayi na Mutu

Ba a taba ketare matsakaicin matsayin mutu ba yayin aiki. Iyakar wutar lantarki 1320mW tana daidai da 180mA a ƙarfin wuta na gaba kimanin 7.33V; duk da haka, ainihin ƙarfin wuta a 180mA na iya zama mafi girma saboda halayen VF. Masu ƙira su tabbatar da isasshen ɗaukar zafi don kiyaye zazzafan junction ƙasa da 125°C. Matsayin ESD na 8000V (HBM) yana ba da kariya mai ƙarfi daga kwatanta lantarki, amma har yanzu ana ba da shawarar matakan kariya na ESD yayin mu'amala.

2.3 Halayen zafi da la'akari da ƙira

Juriya na zafi RTHJ-S na 21°C/W (max) yana nuna cewa ga kowane watt na wutar da aka tarwatsa, zazzafan junction zai tashi 21°C sama da zazzafan wurin walda. A yawan gudu na aiki 150mA da VF na yau da kullun kimanin 6.0V, wutar da ake tarwatsawa 0.9W, yana haifar da tashin zazzafan junction-zuwa-walda kimanin 18.9°C. Idan zazzafan yanayi 85°C, zazzafan junction zai kai kimanin 104°C, lafiya ƙasa da iyaka 125°C. Duk da haka, a mafi girman gudu da aka kayyade (180mA) tare da mafi munin VF, wutar na iya kusantar 1.19W, yana haifar da tashin 25°C, wanda a 85°C yanayi zai kai 110°C, har yanzu ya kasance mai karɓuwa amma ya bar ƙaramin sarari. Zane mai kyau na PCB tare da isasshen jan ƙarfe da kayan zafi shine muhimmi don kiyaye ƙananan zazzafan walda.

3. Bayanin Tsarin Binning

Ana rarraba LED ɗin zuwa bins bisa ga ƙarfin wuta na gaba da yawan haske don tabbatar da aiki mai daidaito ga abokan ciniki. Ana yin binning a IF=150mA.

3.1 Bins na Ƙarfin Wuta na Gaba

3.2 Bins na Yawan Haske

Bin chromaticity an ayyana shi a matsayin "5E" tare da takamaiman haɗin gwiwar CIE da aka bayar a cikin bayanin. An sarrafa haɗin gwiwar launi sosai a cikin quadrilateral da aka ayyana a kan zane mai launi CIE 1931, yana tabbatar da daidaiton bayyanar yellow. Bins suna ba wa abokan ciniki damar zaɓar ma'amala tsakanin haske da ƙarfin wuta na gaba, inganta ingancin driver da daidaiton fitarwa a cikin shirye-shirye.

4. Binciken Maɗaukakin Aiki

4.1 Ƙarfin Wuta na Gaba da Gudu na Gaba (I-V Curve)

Ƙarfin wuta na gaba yana ƙaruwa tare da gudu na gaba a cikin halayen diode na yau da kullun. A ƙananan gudu (misali, 30mA), VF yana kusan 5.5V, yayin da a 150mA ya kai kimanin 6.0V (yau da kullun). Maɗaukakin yana nuna alaƙa kusan madaidaiciya a cikin wannan kewayon aiki, wanda ake tsammani ga LEDs da ake tuka a cikin yankin ohmic. Masu ƙira suyi la'akari da bambancin VF tare da gudu lokacin amfani da tuka mai ƙayyadaddun ƙarfin wuta; ana ba da shawarar resistor a jeri ko constant-current driver.

4.2 Ƙarfin Dangantaka da Gudu na Gaba

Fitowar haske mai dangantaka yana ƙaruwa da gudu amma tare da ƙarancin riba a manyan gudu saboda raguwar inganci. A 150mA, ƙarfin dangantaka yana kusan 100% (tunani). Ninka gudu zuwa 300mA (ba a ba da shawara ba, saboda max 180mA) zai haifar da kimanin 160% ƙarfin dangantaka, yana nuna asarar zafi da inganci. Yin aiki kusa da matsakaicin gudu da aka kayyade yana ba da mafi kyawun daidaito tsakanin haske da inganci.

4.3 Dogaro da Zazzabi

Zazzafan walda (Ts) yana da tasiri mai mahimmanci akan fitowar haske da ƙarfin wuta na gaba. Yayin da zazzabi ya tashi daga 25°C zuwa 125°C, ƙarfin haske mai dangantaka yana raguwa da kusan 30% (daga 100% zuwa kusan 70%). Wannan saboda ƙara haɓakar haɗuwa mara amfani a manyan zazzabin junction. Ƙarfin wuta na gaba yana raguwa tare da ƙara zazzabi a kusan -2 mV/°C (an lura daga maɗaukakin VF vs. Ts). Don haka, sarrafa zafi yana da mahimmanci don kiyaye haske mai daidaito, musamman a yanayin mota inda zazzabin yanayi zai iya kai 85°C ko sama.

4.4 Tsarin Haske da Canjin Launi

LED ɗin yana da tsarin haske mai daidaito tare da kusurwar rabin ƙarfin ±60°, yana ba da babban haske mai dacewa da nuni da haskakawar yanki. Haɗin gwiwar chromaticity suna canzawa tare da gudu na tuka; bayanin ya nuna cewa Δx da Δy suna canzawa da ƙasa da 0.015 a cikin kewayon gudu daga 0 zuwa 200mA, yana nuna kyakkyawan kwanciyar hankali na launi. Rarraba haske yana kai kololuwa kusan 590-600 nm (yankin yellow) tare da cikakken nisa a rabin mafi girma (FWHM) na yau da kullun na LEDs da aka canza ta phosphor.

5. Bayani na Injiniya da Fakiti

5.1 Girman Fakiti

Fakitin LED yana da girman kallon sama 3.20mm x 3.00mm, tare da kauri 0.60mm. Kallon ƙasa yana nuna matashin tsakiya don haɗin zafi da lantarki, tare da girma: 2.30mm (fadi) x 1.80mm (tsawo) da kuma matashin cathode/anode guda biyu a gefe. Shawarar tsarin walda yana nuna matashin zafi na tsakiya 2.6mm x 2.1mm da ƙananan matashin don tashoshi. An yiwa polarity alama a fili a kan fakitin ta hanyar tsagi a gefen cathode. Duk girman suna da haƙuri ±0.2mm sai dai in an faɗi.

5.2 Shawarar Sawun Walda

An bayar da sawun PCB da aka ba da shawara a cikin bayanin. Ya haɗa da babban matashin zafi (2.6mm x 2.1mm) don ɗaukar zafi yadda ya kamata, da ƙananan matashin don anode da cathode (0.9mm x 0.4mm kowanne). Tazara tsakanin matashin zafi da matashin gefe yana tabbatar da isasshen keɓewa yayin da yake ba da damar shafa manna walda. An tsara sawun don dacewa da girman ƙasan fakitin tare da ɗan buga fiye da kima don amintattun haɗin walda.

6. Jagorar Haɗawa da Walda

6.1 Bayanin Reflow Walda

Bayanan reflow walda da aka ba da shawara ya dace da matsayin JEDEC don walda mara gubar. Mahimman ma'auni: preheat daga 150°C zuwa 200°C na daƙiƙa 60-120; hawan sama ≤3°C/s daga Tsmax zuwa kololuwa; lokaci sama da 217°C (TL) har zuwa daƙiƙa 60; zazzabin kololuwa 260°C na mafi girman daƙiƙa 10; saurin sanyaya ≤6°C/s. Jimlar lokaci daga 25°C zuwa kololuwa bai kamata ya wuce mintuna 8 ba. Bayanin yana tabbatar da ingantaccen jikewar walda ba tare da wuce gona da iyakar fakitin ba.

6.2 Tsare-tsare

• Ba a yi reflow walda fiye da sau biyu ba. Idan tazarar tsakanin tsarin walda biyu ta wuce sa'o'i 24, LED na iya lalacewa saboda shan danshi.
• Kada a sanya matsin inji akan LED yayin dumama.
• Bayan walda, kada a karkatar da PCB ko sanya girgiza mai yawa yayin sanyaya.
• Ba a ba da shawarar sanyaya da sauri bayan walda ba (kada a yi quenching).
• Lokacin gyarawa da ƙarfen walda, yi amfani da ƙarfen kai biyu kuma a tabbatar ba a shafi halayen LED ba.

6.3 Mu'amala da Ajiya

LED ɗin yana da damshin ruwa kuma an rarraba shi a matsayin MSL Level 2. Jakunkuna na vacuum da ba a buɗe ba ana iya ajiye su a ≤30°C da ≤75% RH har zuwa shekara ɗaya. Bayan buɗewa, ya kamata a yi amfani da LEDs a cikin sa'o'i 24 idan an adana su a ≤30°C da ≤60% RH. Idan sun wuce waɗannan yanayi ko kuma desiccant ya ƙare, ana buƙatar gasa a 60±5°C na ≥ sa'o'i 24. Kada a taɓa saman silicone lens kai tsaye; mu'amala da ɓangaren ta gefensa ta amfani da tweezers.

7. Bayani kan Jakunkuna da Oda

7.1 Bayanin Jakunkuna

Ana ba da LEDs a cikin tape and reel packaging. Kowace reel tana ƙunshe da 4000 pieces. Tape ɗin mai ɗaukar kaya yana da girma: A0=3.30±0.1mm, B0=3.50±0.1mm, K0=0.90±0.1mm, pitch P0=4.00±0.1mm, P1=4.00±0.1mm, P2=2.00±0.05mm, fadin W=8.00±0.1mm, kauri T=0.20±0.05mm, E=1.75±0.1mm, F=3.50±0.1mm, D0=1.50±0.1mm, D1=1.10±0.1mm. Diamita na reel 180mm, fadin 12mm, diamita na hub 60mm, da diamita na spindle hole 13.0mm. Kowace reel ana sanya shi a cikin jakar hana danshi tare da desiccant da katin nuna danshi, sannan a tattara a cikin akwatin karton.

7.2 Bayanin Lakabi

Lakabin a kowace reel ya haɗa da lambar ɓangaren, lambar bayanin, lambar lot, lambar bin (gami da yawan haske da lambar chromaticity), lambar ƙarfin wuta na gaba, lambar tsawon, adadi, da lambar kwanan wata. Wannan bayani yana ba da damar gano cikakkiyar hanya da zaɓin bins da ake so don samarwa.

8. Jagorar Aikace-aikace

8.1 Aikace-aikace na Yau da Kullun

An tsara shi musamman don hasken mota a ciki da waje, wannan yellow LED ana iya amfani da shi don nunin dashboard, haskaka maɓallai, haske na yanayi, nuna alamar juyawa (tare da haɗin gwiwar reflectors masu dacewa), da ayyukan hasken wutar baya. Faɗin kusurwar kallo ya sa ya dace da haskakawar panel inda ake buƙatar haske mai daidaito a kan babban yanki. Hakanan ana iya amfani dashi a aikace-aikacen da ba na mota ba kamar siginar zirga-zirga, fitilun gargadi, da haske na ado inda launi da dogaro ke da mahimmanci.

8.2 La'akari da Ƙira

• Sarrafa zafi:Tabbatar da isasshen ɗaukar zafi ta hanyar kayan zafi na PCB da filayen jan ƙarfe don kiyaye zazzafan walda a cikin iyakoki, musamman lokacin da LEDs da yawa aka tattara sosai.
• Tuka gudu:Yi amfani da constant-current driver don kiyaye daidaitaccen yawan haske. Idan ana amfani da tuka ƙarfin wuta, haɗa resistor a jeri don iyakance gudu kuma a yi la'akari da bambancin VF.
• Kariya ta ESD:Ko da yake matsayin ESD shine 8000V, yi amfani da hanyoyin mu'amala masu aminci na ESD kuma a yi la'akari da ƙara TVS diodes a cikin kewayar idan akwai dogon hanyoyi.
• Zane na gani:Faɗin kusurwar fitarwa yana buƙatar na'urorin gani na biyu idan ana son haske mai ƙunci. Kada a sanya filaye masu haskakawa kusa da fakitin don hana amsa mara so.
• Daidaituwa da sinadarai:Ka guji fallasa ga sulfur, bromine, chlorine compounds sama da iyakokin da aka kayyade (S ≤100ppm, Br<900ppm, Cl<900ppm, jimlar Br+Cl<1500ppm). Kada a yi amfani da mannen da ke fitar da tururin halitta.

9. Kwatanta Fasaha da Sauran Samfuran

Idan aka kwatanta da LEDs yellow na al'ada da ke amfani da kayan GaAsP/GaP masu tazarar band kai tsaye, wannan yellow LED da aka canza ta phosphor yana ba da ingancin haske mafi girma da kwanciyar hankali na launi fiye da zazzabi. Duk da haka, ƙarfin wuta na gaba yana da girma (5.4-6.6V vs. ~2V na LEDs yellow na yau da kullun) saboda amfani da blue chip da jujjuyawar phosphor. Wannan yana buƙatar ƙarfin wuta mai girma amma yana ba da yellow mai cikawa tare da ingantaccen dogaro a yanayin mota mai zafi. Cancantar AEC-Q101 yana ƙara tabbaci wanda ba koyaushe ake samu a LEDs kasuwanci na yau da kullun ba. Idan aka kwatanta da mafita na RGB multi-chip, wannan single-chip yellow LED yana sauƙaƙa kewayar tuka kuma yana kawar da rashin daidaiton haɗa launi. Fakitin EMC yana ba da ingantaccen aikin zafi da inji idan aka kwatanta da fakitin PPA (polyphthalamide) na gargajiya, yana sa ya dace da yanayi masu wuya.

10. Tambayoyin da Aka Yi Yawa

• Tambaya:Za a iya amfani da wannan LED a cikin maɗaukaki a layi daya?Amsa:Ee, amma dole ne a kula sosai ga binning na ƙarfin wuta na gaba don guje wa rashin daidaiton gudu. Yi amfani da resistor na kowane ɗaya a jeri ko current mirror ga kowane LED.
• Tambaya:Menene tsawon rayuwar yau da kullun?Amsa:Bayanin bai bayyana bayanan rayuwar L70/B50 a sarari ba, amma bisa ga cancantar AEC-Q101 da iyakar zazzabin junction, ana sa ran rayuwa na 'yan dubunnan sa'o'i a yanayin da aka kayyade.
• Tambaya:Shin LED ɗin ya dace da walda mara gubar?Amsa:Ee, an tsara bayanin reflow don walda mara gubar tare da zazzabin kololuwa 260°C.
• Tambaya:Za a iya tsaftace LED ɗin bayan walda?Amsa:Ana ba da shawarar barasa isopropyl. Ba a ba da shawarar tsaftacewa da ultrasonic ba saboda yana iya lalata LED.
• Tambaya:Menene yanayin ajiya da aka ba da shawara bayan buɗe jakar?Amsa:Ajiye a ≤30°C da ≤60% RH, kuma a yi amfani a cikin sa'o'i 24. Idan ba a yi amfani ba, gasa a 60±5°C na ≥ sa'o'i 24 kafin amfani.

11. Misalai na Amfani

Misali 1: Hasken yanayi na cikin mota.An sanya jerin 20 LEDs tare da dashboard don samar da hasken yellow na yanayi. Ana tuka LEDs a 150mA kowane ɗaya ta amfani da constant-current boost converter (12V shigar). Jimlar wutar shine kimanin 18W, yana buƙatar PCB aluminium don ɗaukar zafi. Faɗin kusurwar kallo yana tabbatar da haske mai daidaito a cikin motar.

Misali 2: Module na alamar juyawa na waje.Tsarin gani mai dogaro da reflector yana amfani da 8 LEDs don cimma ƙarfin haske da ake buƙata don ka'idar ECE. An rarraba LEDs zuwa ƙungiyoyin VF da flux masu tsauri (S2 da SA bins) don tabbatar da daidaiton haske da ƙarancin bambancin ƙarfin wuta. Module ya ci gwajin girgiza zafi da danshi bisa ga matsayin mota.

Misali 3: Haskaka maɓallai a tsarin infotainment.LEDs 1-2 kowane maɓalli suna ba da nuna yellow bayyananne. Ƙananan tsawo (0.6mm) yana ba da damar hawa a bayan gajerun jagorar haske. Gwajin dogaro ya nuna babu gazawa bayan sa'o'i 1000 a zazzabin yanayi 105°C.

12. Bayanin Ka'idar Fasaha

Wannan Yellow LED yana amfani da chip InGaN LED mai fitar da blue a matsayin tushen haske na farko. Hasken blue (tsawon kololuwa ~450 nm) yana ɗaukar wani ɓangare ta hanyar yellow phosphor (yawanci YAG:Ce3+ ko makamancinsa) wanda aka saka a cikin rufin silicone. Phosphor yana sake fitar da haske a cikin faɗin rarraba bakan da ke kewaye da 550-600 nm (yellow). Haɗin ragowar hasken blue da fitowar yellow na iya samar da launin yellow da ake gani. Duk da haka, a cikin wannan samfurin, an tsara phosphor don juya kusan dukkan hasken blue, yana haifar da fitowar yellow mai cikawa tare da ƙaramin ɓangaren blue. Haɗin gwiwar launi da aka ayyana a bin "5E" ya dace da takamaiman wuri a sararin launi CIE 1931, yana tabbatar da daidaiton bayyanar launi.

13. Hanyoyin Ci Gaba

Hanyar hasken LED na mota tana zuwa ga mafi girman ingancin haske, ƙananan fakitoci, da ingantaccen sarrafa zafi. Fakitin EMC na wannan samfurin yana wakiltar ci gaba daga fakitin PPA na gargajiya, yana ba da ingantaccen jagorancin zafi da dogaro. Ci gaba na gaba na iya haɗawa da manyan chips na ƙarfin wuta don rage gudu don wutar daya, ingantattun kayan phosphor don rage raguwar zafi, da haɗin kai da masu tuka IC masu wayo. Karɓar cancantar AEC-Q101 a matsayin tushe don LEDs mota yana zama al'ada, yana tura masu samarwa su saka hannun jari a gwaji mai tsauri. Bugu da ƙari, buƙatar launuka na musamman da haske mai kuzari (misali, fitilun gaba masu daidaitawa) na motsa ci gaba a cikin mafita na multi-chip da masu iya canzawa, amma LEDs guda ɗaya mai launi mai dogaro kamar wannan yellow na'urar suna da mahimmanci don ƙirar farashi mai inganci da ƙarfi.