Bayanin Fasaha na LED na Yellow 2820-UY2001M-AM - Kunshin SMD 2.8x2.0mm - Ƙarfin Gaba 2.4V - Haske 33lm - Nau'in Motoci

1. Bayanin Samfur

Jerin 2820-UY2001M-AM yana wakiltar babban abu na LED mai aminci, mai hawa a saman, wanda aka ƙera musamman don aikace-aikacen hasken motoci masu ƙarfi. Wannan na'urar tana da alaƙa da ƙaramin kunshin SMD 2820, yana ba da haske mai ƙarfi na 33 lumens a daidaitaccen kwarara na 200mA. Babban fitowar haske yana cikin bakan yellow, tare da tsayin raƙuman ruwa mai rinjaye a kusan 589nm. Babban abin da ya bambanta wannan samfurin shine bin ƙa'idar AEC-Q102 Rev A mai tsauri don ingantattun na'urorin gani a aikace-aikacen motoci, yana tabbatar da aiki da tsawon rayuwa a ƙarƙashin yanayi mai tsauri na masana'antar motoci. Ƙarin takaddun shaida sun haɗa da bin ka'idojin RoHS, REACH, da ƙirƙirar samfurin da ba shi da halogen, wanda ya sa ya zama zaɓi mai dacewa don ƙirar zamani mai kula da muhalli.

1.1 Fa'idodi na Asali da Kasuwar Manufa

Fa'idodin asali na wannan jerin LED sun samo asali ne daga ƙarfin sa na nau'in motoci da ingantaccen aikin hoto. Na'urar tana da babban juriyar fitar da wutar lantarki (ESD) na 2KV (HBM), yana haɓaka amincin sarrafawa da haɗawa. Faɗin kusurwar kallonsa na digiri 120 yana ba da rarraba haske mai kyau a sarari, wanda ke da mahimmanci ga aikace-aikace kamar hasken yanayi na ciki, hasken dashboard, da hasken sigina na waje inda ake buƙatar haske mai daidaito. Babban kasuwar manufa ita ce sashin motoci, gami da masu kayan aiki na Tier-1 da OEMs waɗanda ke haɓaka ƙirar haske don motocin fasinja, manyan motoci, da babura. Ƙayyadaddun amincinsa kuma sun sa ya zama ɗan takara ga sauran kasuwanni masu aminci kamar fitilun nuni na masana'antu da alamun waje inda aikin dogon lokaci ke da mahimmanci.

2. Bincike Mai Zurfi na Sigogi na Fasaha

Fahimtar cikakken sigogi na lantarki, gani, da zafi yana da mahimmanci don ƙirar da'ira da haɗa tsarin da ya dace.

2.1 Halayen Hoto da Gani

Babban sigar hoto shine ƙarfin haske (Φ_v), wanda aka ƙayyade tare da ƙimar yau da kullun na lumens 33 a I_F= 200mA. Ƙananan da mafi girman ƙima sune 27 lm da 45 lm bi da bi, tare da juriyar aunawa na ±8%. Tsayin raƙuman ruwa mai rinjaye (λ_d) shine 589nm na yau da kullun, tare da kewayon daga 585nm zuwa 394nm da ƙaramin juriya na ±1nm. Wannan yana sanya fitarwa a cikin yankin launin rawaya. Rarraba hasken sarari an bayyana shi ta hanyar faɗin kusurwar kallo na digiri 120, wanda aka auna a maki rabin ƙarfi (inda ƙarfin haske ya kasance 50% na ƙimar kololuwa). Wannan sigar tana da juriya na ±5°.

2.2 Halayen Lantarki

Ƙarfin gaba (V_F) siga ce mai mahimmanci don ƙirar wutar lantarki da sarrafa zafi. A daidaitaccen kwarara na aiki na 200mA, V_Fshine 2.4V, tare da kewayon daga 2.00V zuwa 2.75V (juriya ±0.05V). Ana ba da shawarar ci gaba da kwarara gaba (I_F) shine 200mA, tare da mafi girman ƙimar ƙima na 250mA. Don yanayin ƙaruwa, na'urar na iya jurewa mafi girman kwarara (I_FM) na 1000mA don bugun jini ≤10μs tare da ƙaramin aikin aiki (D=0.005). Yana da mahimmanci a lura cewa wannan LED ba a ƙera shi don aikin juyawa ba.

2.3 Halayen Zafi

Rage zafi mai inganci yana da mahimmanci ga aikin LED da tsawon rayuwa. Juriyar zafi daga haɗin semiconductor zuwa wurin solder (R_thJS) an ba da shi cikin ƙima biyu: 32 K/W (na yau da kullun, aunawa na gaske) da 28 K/W (na yau da kullun, aunawar lantarki). Matsakaicin yanayin zafi da aka halatta (T_J) shine 150°C. An ƙididdige na'urar don kewayon yanayin zafi na aiki (T_opr) na -40°C zuwa +125°C, wanda shine ma'auni don abubuwan motoci. Rage ƙarfin wutar lantarki (P_d) an ƙididdige shi a 687.5 mW matsakaici.

3. Bayanin Tsarin Binning

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LED zuwa kwandon shara. Jerin 2820-UY2001M-AM yana amfani da tsarin binning mai girma uku.

3.1 Binning na Ƙarfin Haske

An rarraba ƙarfin haske zuwa kwandon shara uku: F1 (27-33 lm), F2 (33-39 lm), da F3 (39-45 lm). Lambar sashi "M" tana nuna matakin haske na Matsakaici, wanda yawanci yayi daidai da F1 ko ƙananan ƙarshen kwandon F2.

3.2 Binning na Ƙarfin Gaba

An yi binning na ƙarfin gaba don taimakawa daidaita kwarara don jerin LED masu yawa. Kwandon shara sune: 2022 (2.00-2.25V), 2225 (2.25-2.50V), da 2527 (2.50-2.75V).

3.3 Binning na Tsayin Raƙuman Ruwa Mai Rinjaye

Kwandon shara na tsayin raƙuman ruwa mai rinjaye yana tabbatar da daidaiton launi: 8588 (585-588nm), 8891 (588-591nm), da 9194 (591-594nm). Lambar launi "UY" tana nufin rukunin rawaya, wanda ya ƙunshi waɗannan kwandon shara.

4. Bincike na Lankwasa Aiki

Bayanin fasaha yana ba da jadawali da yawa masu mahimmanci don hasashen aiki a ƙarƙashin yanayin da ba na ma'auni ba.

4.1 Lankwasa IV da Ƙarfin Haske Mai Dangantaka

Jadawalin Kwarara Gaba da Ƙarfin Gaba yana nuna alaƙar diode na yau da kullun. A 200mA, ƙarfin lantarki yana taruwa a kusa da 2.4V. Jadawalin Ƙarfin Haske Mai Dangantaka da Kwarara Gaba yana ƙasa da layi; ƙarfin haske yana ƙaruwa tare da kwarara amma yana fara cika a manyan kwarara saboda tasirin zafi da raguwar inganci.

4.2 Dogaro da Zafin Jiki

Jadawalin Ƙarfin Gaba Mai Dangantaka da Zafin Haɗin yana nuna ƙimar zafi mara kyau; V_Fyana raguwa a layi yayin da zafin jiki ya ƙaru (kusan -2 mV/°C). Ana iya amfani da wannan don kimanta zafin haɗin. Jadawalin Ƙarfin Haske Mai Dangantaka da Zafin Haɗin yana nuna raguwa mai mahimmanci a cikin fitar da haske yayin da zafin jiki ya tashi. A 125°C, ƙarfin haske kusan kashi 60-70% ne na ƙimarsa a 25°C, yana nuna mahimmanci na buƙatar ingantaccen sarrafa zafi. Jadawalin Tsayin Raƙuman Ruwa Mai Dangantaka da Zafin Haɗin yana nuna ɗan jajayen canji (ƙaruwa a cikin tsayin raƙuman ruwa) tare da ƙaruwar zafin jiki.

4.3 Rarraba Bakan da Rage Ƙimar

Jadawalin Rarraba Bakan Mai Dangantaka yana tabbatar da kololuwar fitar da launin rawaya mai launi ɗaya a kusa da 589nm tare da ƙananan abubuwan bakan da ba a so. Lankwasa Rage Ƙimar Kwarara Gaba yana ƙayyade matsakaicin kwarara mai ci gaba da aka halatta bisa la'akari da zafin jiki na solder pad (T_S). A matsakaicin T_Sna 125°C, dole ne a rage kwarara zuwa 250mA (matsakaicin cikakke). Don aiki mai aminci, ana ba da shawarar yin aiki sosai ƙasa da wannan iyaka.

4.4 Ƙarfin Sarrafa Bugun Jini

Jadawalin Ƙarfin Sarrafa Bugun Jini yana bayyana matsakaicin kwarara bugun jini (I_FP) da aka halatta don faɗin bugun jini (t_p) da aikin aiki (D). Don gajerun bugun jini (misali, 10μs), kwarara na iya wuce matsakaicin DC. Wannan yana da alaƙa da aikace-aikacen PWM dimming.

5. Bayanin Injiniya da Kunshi

5.1 Girman Jiki

LED yana cikin kunshin SMD 2820. Matsakaicin girmansa shine 2.8mm a tsayi da 2.0mm a faɗi. Daidaitaccen tsayi da cikakken zanen girma, gami da siffar ruwan tabarau da sanya firam ɗin jagora, an ba da su a cikin zanen injiniya, tare da daidaitattun juriya na ±0.1mm sai dai idan an faɗi.

5.2 Tsarin Solder Pad da Ake Ba da Shawara

Ana ba da shawarar ƙirar ƙirar ƙasa don tabbatar da ingantaccen solder da mafi kyawun aikin zafi. Tsarin ya haɗa da pad don anodes/cathodes na lantarki guda biyu da kuma matsakaicin pad na zafi don zubar da zafi. Bin wannan sawun yana da mahimmanci don kwanciyar hankali na injiniya da canja wurin zafi daga pad ɗin zafi na LED zuwa PCB.

5.3 Gano Polarity

An yiwa na'urar alamar polarity (anode da cathode), yawanci tare da alamar gani kamar notch, ɗigo, ko kusurwa mai chamfered. Zanen injiniya na bayanin fasaha ya ƙayyade wannan alama. Dole ne a lura da polarity daidai yayin haɗawa don hana lalacewa.

6. Jagororin Solder da Haɗawa

6.1 Bayanin Solder Reflow

Abun ya dace da daidaitattun hanyoyin solder reflow na infrared ko convection. Matsakaicin zafin jiki na solder bai kamata ya wuce 260°C ba, kuma lokacin da ya wuce 260°C ya kamata a iyakance zuwa daƙiƙa 30 matsakaici. Ana amfani da daidaitaccen haɓakawa, dumama, reflow, da bayanin sanyaya don solder mara gubar (SnAgCu). Matsayin Hankali na Danshi (MSL) an ƙididdige shi a matakin 2, ma'ana ana iya fallasa na'urar zuwa yanayin bene na masana'anta har zuwa shekara guda kafin solder ba tare da buƙatar gasa ba.

6.2 Kariya don Amfani

Manyan kariya sun haɗa da: Guji amfani da ƙarfin lantarki na juyawa. Yi amfani da da'irar iyakance kwarara; kar a tuƙa kai tsaye daga tushen ƙarfin lantarki. Aiwatar da ingantattun hanyoyin sarrafa ESD yayin haɗawa. Tabbatar cewa an yi solder pad daidai zuwa zubar da tagulla na PCB don ingantaccen zubar da zafi. Kar a wuce matsakaicin ƙimar ƙima don kwarara, ƙarfin lantarki, ko zafin jiki.

6.3 Yanayin Ajiya

Kewayon zafin jiki na ajiya (T_stg) shine -40°C zuwa +125°C. Don ajiyar dogon lokaci wanda ya wuce rayuwar bene na MSL-2, ya kamata a adana na'urorin a cikin yanayi mai bushewa ko a cikin jakunkunan shinge na danshi tare da desiccant.

7. Bayanin Kunshi da Oda

7.1 Ƙayyadaddun Kunshi

Ana ba da LED akan tef da reel don haɗaɗɗen ɗauka da sanyawa ta atomatik. Bayanin kunshi yana ƙididdige girman reel, faɗin tef, tazarar aljihu, da kuma yanayin abubuwan da ke kan tef.

7.2 Tsarin Lambar Sashi

An fassara lambar sashi 2820-UY2001M-AM kamar haka:

• 2820: Iyali na samfur da girman kunshi (2.8mm x 2.0mm).
• UY: Launi (Yellow).
• 200: Gwajin kwarara a cikin milliamps (200mA).
• 1: Nau'in firam ɗin jagora (1 = Zinariya).
• M: Matsayin haske (M = Matsakaici).
• AM: Yana nuna matakin aikace-aikacen Motoci.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Babban aikace-aikace shinehasken motoci. Amfani na musamman sun haɗa da:

• Hasken Ciki:Hasken baya na dashboard, hasken maɓalli, fitilun ƙafar ƙafa, hasken yanayi.
• Siginar Waje:Fitilun Tsayawa Matsakaicin Tsayi na Tsakiya (CHMSL), fitilun alamar gefe, alamun juyawa (sau da yawa a haɗe tare da wasu launuka ko ruwan tabarau).
• Hasken Baya na Nuni:Gunkin kayan aikin kayan aiki, maɓallan tsarin nishadi.

8.2 Abubuwan Ƙira

Gudanar da Zafi:Wannan shine mafi mahimmancin al'amari. Yi amfani da PCB tare da isassun hanyoyin zafi a ƙarƙashin pad ɗin zafi wanda aka haɗa zuwa filayen ƙasa na ciki ko na'urorin zafi na musamman. Lissafa yanayin haɗin da ake tsammani ta amfani da R_thJSda rage ƙarfin wutar lantarki (P_d= V_F* I_F). Kiyaye T_Jsosai ƙasa da 150°C don dogon rayuwa.
Da'irar Tuƙi:Yi amfani da direba mai ci gaba da kwarara, ba tushen ƙarfin lantarki mai ci gaba ba, don tabbatar da fitar da haske mai ƙarfi da hana guduwar zafi. Ya kamata a ƙididdige direba don kewayon ƙarfin lantarki na motoci (yawanci 9-16V tare da jujjuyawar zubar da kaya). Yi la'akari da PWM dimming don sarrafa haske, yana nuni ga ƙarfin sarrafa bugun jini.
Ƙirar Gani:Kusurwar kallo na 120° na iya buƙatar na'urorin gani na biyu (ruwan tabarau, jagororin haske) don siffata katakon don aikace-aikace na musamman kamar fitilun nuni.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da daidaitattun LED na rawaya na kasuwanci, jerin 2820-UY2001M-AM suna ba da fa'idodi daban-daban:

• Bin AEC-Q102:Wannan shine babban abin da ya bambanta, wanda ya ƙunshi gwaji mai tsauri don zagayowar zafin jiki, danshi, rayuwar aiki mai zafi (HTOL), da sauran matsalolin da ba a buƙata ga sassan mabukaci.
• Faɗaɗin Kewayon Zafin Jiki:Aiki daga -40°C zuwa +125°C yana da mahimmanci don bayan injin motoci ko aikace-aikacen waje.
• Jure Sulfur:Bayanin fasaha ya ƙayyade Ka'idojin Gwajin Sulfur Class A1, yana nuna juriya ga yanayi mai lalata da ake samu a wasu yanayin motoci da masana'antu.
• Binning Mai Sarrafawa:Ƙarfin binning akan ƙarfin haske, ƙarfin lantarki, da tsayin raƙuman ruwa yana tabbatar da mafi kyawun daidaito a cikin ƙirar hasken motoci, inda daidaitawar launi da haske ke da mahimmanci.

10. Tambayoyin da ake yawan yi (FAQs)

Q1: Menene matsakaicin ƙarfin gaba a 200mA?
A1: Matsakaicin ƙarfin gaba (V_F) shine volts 2.4, tare da kewayon daga 2.00V zuwa 2.75V dangane da kwandon ƙarfin lantarki.

Q2: Zan iya tuƙa wannan LED tare da wadatar 3.3V?
A2: Ba kai tsaye ba. Tunda V_Fyana ~2.4V, ana buƙatar resistor mai iyakance kwarara ko, zai fi dacewa, direba mai ci gaba da kwarara don saita kwarara zuwa 200mA daga layin dogo na 3.3V. Lissafin resistor mai sauƙi shine R = (V_supply- V_F) / I_F.

Q3: Nawa ne fitar da haske ke faɗuwa a babban zafin jiki?
A3: Yin la'akari da jadawalin aiki, ƙarfin haske mai dangantaka yana raguwa zuwa kusan 60-70% na ƙimar sa na 25°C lokacin da zafin haɗin ya kai 125°C. Wannan yana jaddada buƙatar ingantaccen ƙirar zafi.

Q4: Shin wannan LED ya dace da PWM dimming?
A4: Ee, ya dace. Ya kamata a duba jadawalin Ƙarfin Sarrafa Bugun Jini don tabbatar da cewa matsakaicin kwarara da faɗin bugun jini da ake amfani da su a cikin tsarin PWM ba su wuce yankin aiki mai aminci ba. Matsakaicin mitoci na PWM suna cikin ɗaruruwan Hz zuwa kHz da yawa.

Q5: Menene ma'anar suffix "AM"?
A5: Suffix "AM" a bayyane yana nuna cewa wannan ɓangaren ya cancanci kuma an yi niyya don aikace-aikacen Motoci, yana cika ka'idojin masana'antu masu dacewa (AEC-Q102).

11. Nazarin Harka na Ƙira

Yanayi:Ƙirar jerin LED masu yawa don tsiri na hasken yanayi na cikin motoci wanda ke buƙatar hasken rawaya mai daidaito.
Matakan Ƙira:
1. Ƙirar Lantarki:Ƙayyade tsarin jeri (jeri/ layi daya). Don daidaita kwarara, jerin jerin sun fi kyau. Idan akwai 12V, ana iya sanya LED har zuwa 4 (4 * 2.4V = 9.6V) a jere tare da resistor mai iyakance kwarara ko direba mai ci gaba da kwarara na layi. Don ƙarin LED, ana ba da shawarar direba mai ci gaba da kwarara mai canzawa.
2. Ƙirar Zafi:Lissafa jimlar wutar lantarki: LED 4 * (2.4V * 0.2A) = 1.92W. Ƙirar PCB tare da babban yanki na tagulla a kan Layer inda pad ɗin zafi na LED ke hawa, ta amfani da hanyoyin zafi da yawa don yada zafi zuwa wasu yadudduka.
3. Gani/Injiniya:Sanya LED a wani fili wanda, tare da katakon su na 120°, ya haifar da layin haske mara tsari. Murfin diffuser zai taimaka haɗa wuraren LED ɗaya ɗaya.
4. Zaɓin Abun ciki:Ƙayyade ainihin lambobin kwandon shara (misali, F1 don ƙarfin haske, 8891 don tsayin raƙuman ruwa) a cikin odar siyayya don tabbatar da daidaiton launi da haske a cikin samarwa.

12. Ka'idar Aiki

Wannan LED na'urar gani ce ta semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki gaba wanda ya wuce ƙarfin bandgap ɗinsa a kan anode da cathode, electrons da ramuka suna sake haɗuwa a cikin yankin aiki na guntuwar semiconductor (yawanci bisa kayan kamar InGaN ko AlInGaP don hasken rawaya). Wannan tsarin sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman tsayin raƙuman ruwa (launi) na hasken da aka fitar an ƙaddara shi ta ƙarfin bandgap na kayan semiconductor. Ana fitar da hasken ta hanyar ruwan tabarau na epoxy ko silicone na kunshi, wanda kuma yana ba da kariyar muhalli da ƙayyade kusurwar kallo.

13. Trends na Fasaha

Trend a cikin LED na motoci kamar wannan jerin yana zuwa:
Mafi Girman Inganci (lm/W):Ci gaba da inganta kayan aiki da kunshi yana nufin isar da ƙarin lumens a kowace watt, yana rage nauyin lantarki da ƙalubalen zafi.
Ƙara Ƙarfin Wutar Lantarki:Ƙananan kunshi suna ba da mafi girman ƙarfin haske, suna ba da damar ƙirar haske mai ƙarfi da salo.
Ƙara Aminci da Gwaji:Ƙwararrun cancantar AEC da gabatar da sabbin gwaje-gwaje don sabbin hanyoyin gazawa (misali, ƙarin juriya na sulfur).
Maganganun Haɗe:Haɓakar ƙirar LED tare da haɗaɗɗun direbobi, masu sarrafawa, da hanyoyin sadarwa (LIN, CAN) maimakon abubuwa daban-daban. Duk da yake wannan ɓangaren fitarwa ne daban-daban, ya dace da faɗin yanayin waɗannan ƙirar ƙira.