Bayanin Fasaha na PLCC-2 LED Mai Haske Mai Rairayi 3011-UY0201H-AM - 3.0x3.0x1.1mm - 1.9V Na Yau da Kullun - 20mA - 850mcd - Takardun Fasaha na Hausa

1. Bayyane Game da Samfur

3011-UY0201H-AM LED ne mai haske mai ƙarfi, mai haske rairayi wanda aka ƙera don aikace-aikace masu ƙarfi, musamman a cikin fannin mota. Yana amfani da fakitin PLCC-2 (Plastic Leaded Chip Carrier) wanda ake haɗawa a saman, yana ba da ƙaramin girma da aiki mai dogaro. An ƙera na'urar don cika ƙa'idodin matakan mota masu tsauri, wanda ya sa ta dace da hasken ciki da hasken maɓalli inda daidaiton launi, babban dogaro, da kwanciyar hankali na dogon lokaci suke da muhimmanci.

Babban fa'idodin wannan LED sun haɗa da babban ƙarfin haske na yau da kullun na 850 millicandelas (mcd) a daidaitaccen kwararar wutar lantarki na 20mA, tare da faɗin kusurwar kallo na digiri 120. Wannan yana tabbatar da kyakkyawan gani daga kusurwoyi daban-daban. Bugu da ƙari, ɓangaren ya cancanci ma'aunin AEC-Q101 don semiconductors masu banbanta, yana tabbatar da cewa zai iya jure wa yanayi mai tsanani da aka saba da shi a aikace-aikacen mota, gami da faɗin zafin jiki da girgiza. Bin ka'idojin RoHS da REACH, tare da takamaiman ƙarfin juriya ga sulfur, ya ƙara inganta dacewarsa ga ƙungiyoyin lantarki na zamani.

Babban kasuwar da ake nufi da ita ita ce masana'antun kera kayan lantarki na mota, musamman don aikace-aikace kamar hasken baya na dashboard, hasken maɓalli da maɓalli, da kuma hasken yanayi na ciki gabaɗaya. Dogararsa da ƙayyadaddun ayyukansa suma sun sa ya zama ɗan takara don wasu aikace-aikacen masana'antu da na mabukaci waɗanda ke buƙatar mai nuni mai ƙarfi, mai haske rairayi.

2. Bincike Mai Zurfi na Ma'auni na Fasaha

2.1 Halayen Hoto da Lantarki

Mahimman ma'auni na aiki suna ayyana aikin LED a ƙarƙashin daidaitattun yanayi. Kwararar gaba (I_F) yana da matsakaicin wurin aiki na 20mA, tare da mafi ƙarancin 7mA kuma matsakaicin ƙimar cikakkiyar ƙima na 70mA. Ba a ba da shawarar aiki ƙasa da 7mA don samar da haske mai kwanciyar hankali. Ƙarfin haske (I_V) an ƙayyade shi da ƙimar yau da kullun na 850 mcd, mafi ƙarancin 560 mcd, kuma matsakaicin 1120 mcd a I_F=20mA, tare da ƙimar auna na ±8%. Wannan kewayon rarrabuwa yana da mahimmanci ga daidaiton ƙira.

Ƙarfin lantarki na gaba (V_F) yawanci yana auna 1.9V a 20mA, yana kewayo daga mafi ƙarancin 1.75V zuwa matsakaicin 2.75V. Babban tsayin raƙuman ruwa (λ_d), wanda ke ayyana launin rairayi da ake gani, yawanci 589nm, tare da kewayon daga 585nm zuwa 594nm kuma ƙaƙƙarfan ƙimar auna na ±1nm. Faɗin kusurwar kallo na digiri 120 (φ) shine rabin kusurwar inda ƙarfin haske ya faɗi zuwa 50% na ƙimar sa ta axial.

2.2 Matsakaicin Ƙimar Cikakke da Gudanar da Zafin Jiki

Waɗannan ƙimar suna ayyana iyakokin da za a iya haifar da lalacewa na dindindin a bayansu. Matsakaicin kwararar gaba cikakke shine 70mA, kuma na'urar za ta iya ɗaukar kwararar guguwa (I_FM) na 300mA don bugun jini ≤10μs tare da ƙaramin aiki (D=0.005). Matsakaicin zafin haɗin gwiwa (T_J) shine 125°C. Kewayon zafin aiki (T_opr) an ƙayyade shi daga -40°C zuwa +110°C, yana tabbatar da ƙarfinsa na matakin mota.

Gudanar da zafin jiki yana da mahimmanci ga tsawon rayuwar LED da aiki. Takardun bayanan ya ƙayyade ƙimar juriya na zafi guda biyu daga haɗin gwiwa zuwa wurin solder: ainihin juriya na zafi (R_{th JS real}) na ≤250 K/W da juriya na zafi na lantarki (R_{th JS el}) na ≤220 K/W. Waɗannan ƙimar suna jagorantar ƙirar heatsinking don kiyaye zafin haɗin gwiwa a cikin iyakoki masu aminci, musamman lokacin aiki a mafi girman igiyoyin ruwa ko a cikin yanayin yanayi mai girma. Lanƙwan kwararar gaba da aka rage yana nuna a hoto yadda dole ne a rage izinin ci gaba da kwararar gaba yayin da zafin fakitin solder ya ƙaru sama da 78°C.

3. Bayanin Tsarin Rarrabuwa

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LEDs zuwa kwandon shara. 3011-UY0201H-AM yana amfani da manyan ma'auni guda biyu na rarrabuwa.

3.1 Rarrabuwar Ƙarfin Hasken

Ana rarraba fitowar haske zuwa kwandon shara na haruffa da lambobi (misali, L1, L2, M1... har zuwa GA). Kowane kwandon shara yana ɗauke da takamaiman kewayon mafi ƙarancin da matsakaicin ƙarfin haske a cikin millicandelas (mcd). Misali, kwandon shara U2 ya ƙunshi 560 zuwa 710 mcd. Bangaren na yau da kullun (850 mcd) ya faɗi cikin kewayon U1 (450-560 mcd) da U2 (560-710 mcd), yana nuna "kwandon shara mai yiwuwa" da aka haskaka a cikin teburin takardun bayanan. Dole ne masu ƙira su yi la'akari da wannan bambance-bambance lokacin da suke ƙayyade mafi ƙarancin matakan haske don aikace-aikacensu.

3.2 Rarrabuwar Babban Tsayin Raƙuman Ruwa

Ana sarrafa launi (launin rairayi) ta hanyar rarraba babban tsayin raƙuman ruwa. Ana ayyana kwandon shara ta lambobi 4 inda lambobi biyu na farko ke wakiltar mafi ƙarancin tsayin raƙuman ruwa kuma na ƙarshe biyu suna wakiltar matsakaicin tsayin raƙuman ruwa a cikin nanometers. Don tsayin raƙuman ruwa na yau da kullun na 589nm, kwandon shara masu dacewa za su kasance a cikin kewayon 585-594nm, wanda yayi daidai da lambobi kamar 8588 (585-588nm), 8891 (588-591nm), da 9194 (591-594nm). Wannan daidaitaccen rarrabuwa yana tabbatar da ƙaramin canjin launi tsakanin LEDs daban-daban a cikin taro.

4. Bincike na Lanƙwan Aiki

Zane-zanen halayen suna ba da mahimman bayanai game da halayen LED a ƙarƙashin yanayi daban-daban.

4.1 Kwararar Gaba vs. Ƙarfin Lantarki na Gaba (Lanƙwan I-V)

Lanƙwan I-V yana nuna alaƙar ma'auni da aka saba da diode. A 25°C, ƙarfin lantarki yana ƙaruwa daga kusan 1.75V a ƙaramin wutar lantarki zuwa kusan 2.2V a 70mA. Wannan lanƙwan yana da mahimmanci don ƙirar da'irar iyakance wutar lantarki don tabbatar da aiki mai kwanciyar hankali da kuma guje wa guduwar zafi.

4.2 Dangantakar Ƙarfin Hasken vs. Kwararar Gaba

Wannan zanen yana nuna cewa fitar da haske yana da layi daya da wutar lantarki har zuwa matsakaicin maki 20mA amma yana nuna alamun raguwar inganci (ƙaruwa ƙasa da layi) a mafi girman igiyoyin ruwa, yana kusanci da 70mA. Wannan yana ƙarfafa mahimmancin aiki a cikin kewayon da aka ba da shawarar don mafi kyawun inganci.

4.3 Dogaro da Zafin Jiki

Zane-zane da yawa suna kwatanta tasirin zafin jiki. LanƙwanDangantakar Ƙarfin Hasken vs. Zafin Haɗin Gwiwayana nuna cewa fitar da haske yana raguwa yayin da zafin jiki ya tashi—wata halayar gama gari ta LEDs. A 110°C, fitarwa shine kusan 70% na ƙimarsa a 25°C. LanƙwanDangantakar Ƙarfin Lantarki na Gaba vs. Zafin Haɗin Gwiwayana nuna V_Fyana da ƙimar zafin jiki mara kyau, yana raguwa da kusan 2mV/°C. LanƙwanBabban Tsayin Raƙuman Ruwa vs. Zafin Haɗin GwiwadaCanjin Tsayin Raƙuman Ruwa Danganesunan nuna cewa tsayin raƙuman ruwa rairayi yana ɗan motsi kaɗan (nanometers kaɗan) tare da zafin jiki, wanda gabaɗaya ba a iya la'akari da shi don aikace-aikacen nuni amma yana iya zama dacewa don amfani da takamaiman launi mai mahimmanci.

4.4 Sarrafa Buga da Rarraba Bakan

LanƙwanƘarfin Sarrafa Buga da aka Halattayana ayyana matsakaicin kwararar bugun jini da aka halatta don faɗin bugun jini daban-daban (t_p) da zagayowar aiki (D), wanda ke da amfani don tsarin multiplexing ko PWM dimming. LanƙwanRarraban Bakan Danganeyana tabbatar da fitarwar rairayi mai launi guda, yana kololuwa kusan 589nm tare da ƙunƙuntar faɗin bakan.

5. Bayanin Injiniya, Fakitawa & Taro

5.1 Girman Injiniya da Polarity

LED yana zuwa a cikin daidaitaccen fakitin PLCC-2. Zanen injiniya (wanda aka nuna a sashe na 7 na takardun bayanan) zai nuna ra'ayin sama, ra'ayi na gefe, da girma gami da tsayi, faɗi, tsayi (yawanci kusan 3.0mm x 3.0mm x 1.1mm), da tazarar jagora. Fakitin yana da ruwan tabarau da aka gina a ciki wanda ke haifar da kusurwar kallo na digiri 120. Ana nuna polarity ta alamar cathode, yawanci notch, kore dot, ko yanke kusurwa akan fakitin. Daidaitaccen alkibla yayin taro ya zama dole.

5.2 Shawararriyar Fakitin Solder da Bayanin Reflow

An ba da shawarar tsarin fakitin solder (sashe na 8) don tabbatar da samar da haɗin gwiwar solder daidai da kwanciyar hankali na injiniya. Ƙirar fakitin tana la'akari da girman zafi na ɓangaren da jagororin. Bayanin reflow soldering (sashe na 9) yana da mahimmanci ga taron haɗawa a saman. An ƙididdige LED don matsakaicin zafin reflow na 260°C na matsakaicin dakika 30, wanda ya dace da daidaitattun hanyoyin solder marasa gubar (SnAgCu). Bayanin yawanci ya haɗa da matakan preheat, jiƙa zafi, reflow, da sanyaya don rage girgizar zafi.

5.3 Fakitawa da Matakan Kariya na Gudanarwa

Ana samar da abubuwan a cikin fakitin tef da reel (sashe na 10) don haɗawa ta atomatik. Ƙayyadaddun reel sun haɗa da faɗin tef, tazarar aljihu, da diamita na reel. Matakan kariya don amfani (sashe na 11) sun haɗa da daidaitattun hanyoyin gudanarwa na ESD (Electrostatic Discharge), saboda na'urar tana da hankali na ESD na 2kV (HBM). Ana ba da shawarar yin amfani da ionizers da tashoshi na aiki masu tushe. Ya kamata a adana shi a cikin yanayi mai bushewa, mai sarrafawa, kuma Matakin Hankalin Danshi (MSL) shine 2, ma'ana ana iya fallasa fakitin ga yanayin bene na masana'anta har zuwa shekara guda kafin a buƙaci yin burodi kafin reflow.

6. Jagororin Aikace-aikace da Abubuwan Ƙira

6.1 Da'irori na Aikace-aikace na Yau da Kullun

Babban aikace-aikacen shine a matsayin hasken nuni. Resistor na jerin abubuwa shine mafi yawan da'irar tuƙi. Ƙimar resistor (R_series) ana ƙididdige ta ta amfani da Dokar Ohm: R_series= (V_supply- V_F) / I_F. Ta amfani da V na yau da kullun_Fna 1.9V da I da ake so_Fna 20mA tare da samar da wutar lantarki 5V, resistor zai kasance (5V - 1.9V) / 0.02A = 155 Ohms. Daidaitaccen resistor na 150 Ohm zai dace. Matsayin wutar lantarki na resistor ya kamata ya zama aƙalla I_F²* R = 0.06W, don haka resistor 1/8W ko 1/10W ya isa. Don haske mai kwanciyar hankali akan bambancin zafin jiki ko ƙarfin wutar lantarki, ana ba da shawarar direba na wutar lantarki mai kwanciyar hankali.

6.2 Abubuwan Ƙira don Amfani da Mota

• Transients na Ƙarfin Lantarki:Tsarin lantarki na mota yana da hayaniya. Ya kamata a kare LED daga zubar da kaya da sauran ƙararrakin ƙarfin lantarki. Ana iya buƙatar diode na murƙushe ƙarfin lantarki na wucin gadi (TVS) ko ƙaƙƙarfan resistor na jerin abubuwa akan layin wadata.
• Ƙirar Zafin Jiki:A cikin wuraren da aka rufe ko manyan yanayin zafi, tabbatar da isasshen yanki na tagulla na PCB ko ramukan zafi don fitar da zafi daga fakitin solder, kiyaye zafin haɗin gwiwa ƙasa don kiyaye haske da tsawon rai.
• Juriya ga Sulfur:Ƙaƙƙarfan juriya ga sulfur da aka ƙayyade yana da mahimmanci ga cikin mota inda fitar da iskar gas daga wasu kayan (kamar roba ko wasu robobi) na iya haifar da yanayi mai lalata wanda ke lalata abubuwan LED na azurfa.
• Dimming:Don aikace-aikacen dimming, Ana fi son Modulation Faɗin Bugun Jini (PWM) akan rage wutar lantarki na analog. PWM yana kiyaye launin LED yayin da yake bambanta hasken da ake gani. Dubi ginshiƙin sarrafa bugun jini don ƙayyadaddun PWM masu karɓuwa.

7. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da daidaitattun LEDs na PLCC-2 na kasuwanci, 3011-UY0201H-AM yana ba da manyan bambance-bambance:

• Cancantar Mota (AEC-Q101):Wannan shine babban bambance-bambance, wanda ya haɗa da gwaji mai tsauri don zagayowar zafin jiki, ɗanɗano, babban zafin jiki mai juyawa, da sauran matsalolin da ba a buƙata ga sassan mabukaci ba.
• Faɗaɗa Kewayon Zafin Jiki:Aiki daga -40°C zuwa +110°C idan aka kwatanta da kewayon kasuwanci na yau da kullun na -20°C zuwa +85°C.
• Ƙarfin Sulfur:Gwaji na musamman da ginin kayan don jure wa yanayi mai lalata, wanda ba daidaitaccen siffa ba ne.
• Ƙaƙƙarfan Rarrabuwa:Yayin da LEDs na kasuwanci na iya samun rarrabuwa, sassan matakin mota sau da yawa suna da ƙa'idodi masu tsauri ko ƙarin ƙa'idodi don tabbatar da daidaito a cikin manyan ayyukan samarwa.

8. Tambayoyin da ake yawan yi (FAQs)

Q: Zan iya tuƙa wannan LED da 3.3V?

A: I. Ta amfani da dabara tare da V_F=1.9V da I_F=20mA, resistor na jerin abubuwa da ake buƙata zai kasance (3.3V - 1.9V) / 0.02A = 70 Ohms.

Q: Menene manufar mafi ƙarancin kwararar gaba na 7mA?

A: Aiki ƙasa da wannan wutar lantarki na iya haifar da haske maras kwanciyar hankali ko maras daidaituwa. Don buƙatun haske ƙasa sosai, yin amfani da PWM a mafi girman wutar lantarki hanya ce mafi kyau.

Q: Ta yaya zan fassara lambar kwandon shara na ƙarfin haske (misali, U2) akan oda?

A: Lambar kwandon shara tana ba da garantin cewa hasken LED zai faɗi cikin ƙayyadaddun kewayon (misali, 560-710 mcd don U2). Dole ne ku ƙira don mafi ƙarancin ƙimar kwandon shara da kuka zaɓa don tabbatar da cewa ana cika buƙatun hasken aikace-aikacenku koyaushe.

Q: Ana buƙatar heatsink?

A: Don ci gaba da aiki a 20mA a matsakaicin yanayin zafi (<70°C a wurin solder), juriya na zafi na ciki yawanci ya isa idan an yi amfani da shawararriyar tsarin fakitin PCB. Don mafi girman igiyoyin ruwa, manyan yanayin zafi, ko LEDs da yawa da aka haɗa kusa, ya kamata a yi la'akari da ƙarin gudanar da zafin jiki bisa lanƙwan rage ƙima.

9. Ka'idojin Aiki da Trends na Fasaha

9.1 Babban Ka'idar Aiki

Diode Mai Fitad da Hasken wani haɗin gwiwar semiconductor p-n diode ne. Lokacin da aka yi amfani da ƙarfin lantarki na gaba, electrons daga kayan n-type suna sake haɗuwa da ramuka daga kayan p-type a cikin yankin da aka ƙone. Wannan sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman tsayin raƙuman ruwa (launi) na hasken an ƙaddara shi ta hanyar tazarar band na makamashi na kayan semiconductor da aka yi amfani da su. Don LEDs rairayi, kayan kamar Gallium Arsenide Phosphide (GaAsP) ko mahadi makamantan akan substrate mai haske ana amfani da su gabaɗaya. Fakitin PLCC ya haɗa da ruwan tabarau na epoxy da aka ƙera wanda ke siffanta fitar da haske don cimma kusurwar kallo da ake so.

9.2 Trends na Masana'antu

Trend a cikin LEDs na nuni kamar wannan yana zuwa ga ingantaccen inganci (ƙarin fitar da haske a kowace naúrar wutar lantarki), ingantaccen dogaro a ƙarƙashin yanayi masu tsanani, da ƙananan girman fakitin tare da kiyayewa ko ingantaccen aikin gani. Haka nan ana ƙara ba da fifiko kan faɗin gamut na launi da mafi daidaito. Don cikin mota, haɗawa tare da jagororin haske don daidaitaccen hasken panel da dacewa tare da ingantattun tsarin dimming sune manyan wuraren ci gaba. Ƙaura zuwa duk-hasken haske na daskararre a cikin motoci yana ci gaba da haifar da buƙatar ƙaƙƙarfan, manyan ayyuka na LEDs a duk faɗin bakan launi.