Takardar Bayanin Fasaha na SMD Middle Power LED 67-22ST - Kunshin PLCC-2 - 2.0x1.6x0.7mm - 1.8-2.7V - 150mA - Far Red (720-750nm) - Hausa

1. Bayyani Game da Samfurin

Wannan takarda ta yi cikakken bayani game da ƙayyadaddun fasaha na na'urar da aka haɗa a saman (SMD) Middle Power LED wanda aka haɗa a cikin kunshin PLCC-2. Na'urar tana fitar da haske a cikin bakan Far Red, ta amfani da fasahar guntu AlGaInP. An tsara ta don aikace-aikacen da ke buƙatar ingantattun hanyoyin haske masu ƙarfi da faɗin kusurwar kallo.

1.1 Siffofi da Fa'idodi na Asali

Babban fa'idodin wannan LED sun haɗa da ingantaccen aiki da tsarin amfani da wutar lantarki na matsakaici, wanda ya sa ya dace da daidaito tsakanin aiki da sarrafa zafi. Kunshin yana ba da faɗin kusurwar kallo na digiri 120, yana tabbatar da rarraba haske mai faɗi. An gina shi da kayan da ba su da lahani ga muhalli, ba su da gubar, suna bin ka'idojin RoHS, EU REACH, da marasa halogen (Br<900ppm, Cl<900ppm, Br+Cl<1500ppm). Samfurin kuma yana bin ƙa'idodin rarrabuwa na ANSI don rarraba aiki akai-akai.

1.2 Aikace-aikace da Kasuwannin da Ake Nufa

An ƙera wannan LED don takamaiman aikace-aikacen hasken da ke amfana da tsayin raƙuman Far Red. Babban amfaninsa ya haɗa da hasken kayan ado da nishaɗi, inda ake son takamaiman tasirin launi. Muhimmin aikace-aikace shine a cikin hasken noma, musamman aikin gona, kamar yadda hasken Far Red (720-750nm) ke taka muhimmiyar rawa a cikin haɓakar shuka ta hanyar haske, yana rinjayar matakai kamar tsiron iri, tsawaita kara, da fure. Hakanan ya dace don amfani da hasken gabaɗaya inda takamaiman fitowar bakan ya dace.

2. Ƙayyadaddun Fasaha da Fassarar Cikakke

2.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙididdiga suna ayyana iyakokin da za su iya haifar da lalacewa ta dindindin ga na'urar. An ƙayyade su a zafin wurin gyaɗa (T_Gyaɗa) na 25°C.

• Halin Gaba (I_F):150 mA - Matsakaicin ci gaba na DC wanda aka ba da shawarar don aiki mai aminci.
• Matsakaicin Halin Gaba (I_FP):300 mA - Ya shafi kawai a ƙarƙashin yanayin bugun jini tare da aikin aiki na 1/10 da faɗin bugun jini na 10ms. Wuce ƙimar ci gaba na yanzu ko da na ɗan lokaci zai iya rage ƙimar LED.
• Rushewar Wutar Lantarki (P_d):405 mW - Matsakaicin wutar lantarki da kunshin zai iya watsawa, wanda aka lissafta daga V_F* I_Fda iyakokin zafi.
• Zafin Aiki (T_opr):-40°C zuwa +85°C - Kewayon yanayin zafi don aiki na yau da kullun.
• Zafin Ajiya (T_stg):-40°C zuwa +100°C.
• Juriya na Thermal (R_{th J-S}):50 °C/W - Wannan muhimmin ma'auni yana ayyana haɓakar zafi daga haɗin semiconductor zuwa wurin gyaɗa kowace watt na wutar lantarki da aka watsar. Ƙananan ƙima yana nuna ingantaccen canja wurin zafi daga cikin guntu.
• Zafin Junction (T_j):115 °C - Matsakaicin zafin da aka yarda a haɗin semiconductor kanta.
• Zafin Gyaɗa:Na'urar za ta iya jure gyaɗa sake kunnawa a 260°C na dakika 10 ko gyaɗa da hannu a 350°C na dakika 3. Yana da hankali ga fitar da wutar lantarki (ESD), yana buƙatar hanyoyin sarrafawa masu dacewa.

2.2 Halayen Lantarki da Na'ura

Waɗannan sune ma'auni na yau da kullun na aiki da aka auna a T_Gyaɗa= 25°C da I_F= 150mA, sai dai idan an faɗi.

• Ƙarfin Radiometric (Φ_e):80 zuwa 160 mW - Jimlar juzu'in haske (ƙarfin gani) da aka fitar. Haƙuri shine ±11%.
• Ƙarfin Gaba (V_F):1.8 zuwa 2.7 V - Faɗuwar wutar lantarki a kan LED a ƙayyadadden halin yanzu. Haƙuri shine ±0.1V. Ƙananan V_Fa wani ƙayyadadden halin yanzu gabaɗaya yana nuna ingantaccen aikin lantarki.
• Kusurwar Dubawa (2θ_1/2):Digiri 120 - Cikakken kusurwar da ƙarfin haske ya rabi na matsakaicin ƙarfi (akan-axis).
• Halin Baya (I_R):10 µA (max) a V_R= 5V - Ba a ƙera LED don karkatar da baya ba; wannan ma'auni yana nuna ɗigon ruwa.

3. Bayanin Tsarin Rarrabuwa

An rarraba samfurin zuwa kwandon shara don tabbatar da daidaito. Dole ne masu zane su zaɓi kwandon shara masu dacewa don buƙatun aikace-aikacensu.

3.1 Rarrabuwar Ƙarfin Radiometric

An rarraba a I_F=150mA. Lambobin C1 zuwa C4 suna wakiltar ƙarfin fitarwa mai ƙaruwa (misali, C1: 80-100mW, C4: 140-160mW). Haƙurin ±11% ya shafi kowane kwandon shara.

3.2 Rarrabuwar Ƙarfin Gaba

An rarraba a I_F=150mA. Lambobi 25 zuwa 33 suna wakiltar kewayon wutar lantarki a matakan 0.1V daga 1.8-1.9V (Kwandon shara 25) zuwa 2.6-2.7V (Kwandon shara 33). Haƙurin ±0.1V ya shafi. Zaɓin LED daga ƙunƙuntaccen kwandon shara na wutar lantarki zai iya sauƙaƙa ƙirar direba don jerin LED masu yawa.

3.3 Rarrabuwar Tsayin Raƙuman Kololuwa

An rarraba a I_F=150mA. Wannan yana ayyana fitowar bakan:

• FA3: 720 - 730 nm
• FA4: 730 - 740 nm
• FA5: 740 - 750 nm

Matsakaicin haƙuri na auna tsayin raƙuman ruwa/kololuwa shine ±1nm. Wannan daidaitaccen rarrabuwa yana da mahimmanci ga aikace-aikace kamar aikin gona inda takamaiman tsayin raƙuman photon ke haifar da martanin shuka daban-daban.

4. Binciken Lanƙwasa Aiki

4.1 Rarraba Bakan

Jadawalin bakan da aka bayar yana nuna lanƙwasa fitarwa na yau da kullun don AlGaInP Far Red LED. Kololuwar tana cikin kewayon kwandon shara (720-750nm), tare da ƙunƙuntaccen faɗin bakan (cikakken faɗi a rabin matsakaici - FWHM) halayen wannan kayan semiconductor, yana tabbatar da tsaftar launi.

4.2 Ƙarfin Gaba vs. Zafin Junction (Hoto 1)

Wannan lanƙwasa yana nuna cewa ƙarfin gaba (V_F) yana da ƙimar zafi mara kyau. Yayin da zafin junction (T_j) ya karu daga 25°C zuwa 115°C, V_Fya ragu. Wannan dukiya ce ta asali na diodes na semiconductor. Ga direbobi na yau da kullun, wannan ba babban damuwa ba ne, amma dole ne a yi la'akari da shi a cikin ƙirar thermal da kuma don da'irori masu hankali V_Fa matsayin wakili na T_j.

4.3 Ƙarfin Radiometric Dangantaka vs. Halin Gaba (Hoto 2)

Fitarwar gani tana ƙasa da layi tare da halin yanzu. Yayin da fitarwa ke ƙaruwa tare da halin yanzu, inganci (mW/mA) yawanci yana raguwa a manyan halayen yanzu saboda ƙaruwar zafi da raguwar inganci. Yin aiki sosai ƙasa da matsakaicin halin yanzu (misali, a 100mA maimakon 150mA) zai iya inganta inganci da tsawon rai.

4.4 Ƙarfin Hasken Dangantaka vs. Zafin Junction (Hoto 3)

Wannan jadawali yana nuna kashe zafi. Kamar yadda T_jya tashi, fitarwar radiant tana raguwa. Kiyaye ƙananan zafin junction ta hanyar ingantaccen sarrafa zafi (misali, ta amfani da PCB tare da ingantattun hanyoyin zafi da heatsink) yana da mahimmanci don kiyaye ingantaccen fitarwar haske da tsawon rai.

4.5 Halin Gaba vs. Ƙarfin Gaba (Hoto 4)

Wannan shine lanƙwasa I-V na al'ada don diode, yana nuna alaƙar ƙima. Lanƙwasa yana motsawa tare da zafin jiki (kamar yadda aka gani a Hoto 1). Jadawalin da aka bayar yana T_S=25°C.

4.6 Matsakaicin Halin Tuƙi vs. Zafin Gyaɗa (Hoto 5)

Wannan lanƙwasa rage ƙima yana da mahimmanci don amincin aiki. Yana nuna cewa dole ne a rage matsakaicin halin gaba da aka yarda idan zafin jiki a wurin gyaɗa (kuma ta hanyar tsawaita, junction) ya karu. Misali, idan wurin gyaɗa ya kai 100°C, matsakaicin ci gaba na yanzu ya fi ƙasa da 150mA sosai. Wannan jadawalin ya dogara ne akan R da aka bayar_{th J-S}na 50°C/W.

4.7 Jadawalin Radiation (Hoto 6)

Zanen polar yana nuna kusurwar kallo na digiri 120, yana nuna ƙarfin dangi a kusurwoyi daban-daban daga 0° (akan-axis) zuwa 90°. Tsarin yana bayyana Lambertian ko kusa da Lambertian, wanda ya zama ruwan dare ga wannan nau'in kunshin tare da dome resin mai tsabta.

5. Bayanin Injiniya da Kunshi

5.1 Girman Kunshi

Kunshin PLCC-2 yana da girman ƙima na 2.0mm (tsawon) x 1.6mm (faɗi) x 0.7mm (tsayi). Zanen girma ya ƙayyade mahimman siffofi ciki har da wuraren kushin anode da cathode, ruwan tabarau, da haƙuri na injiniya (yawanci ±0.1mm sai dai idan an lura). An ɗora guntu a cikin kofin mai nuna alama.

5.2 Ganewar Polarity

Kunshin yana da alamar cathode (yawanci ana nuna shi da launin kore akan kushin cathode, tsaga, ko chamfer a wannan gefen kunshin). Daidaitaccen polarity yana da mahimmanci yayin haɗawa don hana lalacewa.

6. Jagororin Gyaɗa da Haɗawa

6.1 Ma'auni na Gyaɗa Sake Kunnawa

An ƙididdige na'urar don matsakaicin 260°C na dakika 10 yayin gyaɗa sake kunnawa. Yana da mahimmanci a bi bayanin martaba wanda ke dumama isasshe don rage girgizar zafi, ya kai matsakaicin zafin da ake buƙata don sake kunnawa gyaɗa, kuma ya yi sanyi a ƙimar da aka sarrafa. Takamaiman lokacin da ya wuce ruwa (TAL) yakamata a sarrafa shi bisa ga ƙayyadaddun masana'anta na man gyaɗa.

6.2 Gyaɗa da Hannu

Idan gyaɗa da hannu ya zama dole, dole ne zafin ƙarshen ƙarfe bai wuce 350°C ba, kuma lokacin tuntuɓar yakamata a iyakance zuwa dakika 3 kowane kushin. Yi amfani da ƙarfe mai ƙarancin wutar lantarki (misali, 30W) tare da ƙaramin ƙarshe. Yi amfani da zafi ga kushin PCB, ba kai tsaye ga jikin LED ba, sannan ka shigo da gyaɗa.

6.3 Ajiya da Sarrafawa

Abubuwan suna da hankali ga danshi (ƙimar MSL da aka nuna ta hanyar tattara abubuwan da ba su da danshi). Idan aka buɗe jakar kariya ko kuma an wuce iyakar lokacin bayyanawa, ana buƙatar gasa kafin sake kunnawa don hana lalacewar \"popcorning\". Koyaushe ku yi amfani da matakan kariya na ESD.

7. Bayanin Tattarawa da Oda

7.1 Ƙayyadaddun Reel da Tepe

Ana samar da LED akan tepe mai ɗaukar kaya da aka nannade akan reels. Girman reel, tazarar aljihu (pitch), da faɗin tepe an ƙayyade su don dacewa da daidaitattun kayan aikin zaɓi da wurin SMD. Kowace reel tana ƙunshe da guda 4000.

7.2 Tattarawa Mai Jure Danshi

An rufe reels a cikin jakar kariya ta aluminum tare da desiccant don kiyaye yanayi mai bushewa da kuma cika buƙatun Matakin Hankali na Danshi (MSL).

7.3 Bayanin Alamar

Alamar reel ta ƙunshi mahimman bayanai: Lambar Samfurin Abokin Ciniki (CPN), Lambar Samfurin (P/N), Adadin Tattarawa (QTY), da takamaiman lambobin kwandon shara don Matsayin Ƙarfin Hasken (CAT), Matsayin Tsayin Raƙuman Ruwa (HUE), da Matsayin Ƙarfin Gaba (REF), tare da Lambar Lot (LOT No).

8. Shawarwari na Aikace-aikace da Abubuwan Ƙira

8.1 Gudanar da Thermal

Idan aka yi la'akari da R_{th J-S}na 50°C/W, ingantaccen zubar da zafi ba shi da yuwuwa don aiki mai aminci a cikakken halin yanzu. Yi amfani da PCB tare da takamaiman kushin zafi da aka haɗa zuwa hanyar zafi na LED (sau da yawa kushin cathode) kuma yi amfani da hanyoyin zafi don canja wurin zafi zuwa jiragen ƙasa na ciki ko heatsink na waje. Dole ne a yi amfani da lanƙwasa rage ƙima (Hoto 5) don ƙayyade matsakaicin halin yanzu na aminci don juriya na zafi na takamaiman allon ku.

8.2 Tuƙin Lantarki

Koyaushe ku tuƙi LED tare da tushen halin yanzu na yau da kullun, ba ƙarfin wutar lantarki ba. Wannan yana tabbatar da ingantaccen fitarwar haske kuma yana kare LED daga guduwar zafi. Yakamata direba ya zama ƙima don kewayon ƙarfin gaba na zaɓaɓɓen kwandon shara (1.8-2.7V) a halin yanzu da ake so. Yi la'akari da aiwatar da canjin faɗin bugun jini (PWM) don dusashe don guje wa canjin launi wanda zai iya faruwa tare da dusashe na analog (rage halin yanzu).

8.3 Haɗin Gani

Faɗin kusurwar kallo na digiri 120 na iya buƙatar na'urorin gani na biyu (ruwan tabarau, masu nuna alama) idan ana buƙatar ƙara mai da hankali. Resin mai tsabta yana ba da damar fitar da haske mai yawa. Don aikace-aikacen noma, tabbatar da ƙirar kayan aiki yana ba da daidaitaccen juzu'in photon Far Red a ko'ina cikin yankin da ake nufi, sau da yawa a haɗe tare da wasu tsayin raƙuman ruwa (misali, ja mai zurfi 660nm, shuɗi).

9. Amincin Aiki da Tabbatar da Inganci

Takardar bayanin ta lissafa cikakken jerin gwaje-gwajen amincin aiki da aka yi tare da matakin amincewa na 90% da 10% Lot Tolerance Percent Defective (LTPD). Gwaje-gwaje sun haɗa da:

• Juriya ga Zafin Gyaɗa (260°C/10s, 3x)
• Zagayowar Zafin Jiki (-40°C zuwa +100°C)
• Rayuwar Zafi/Yanayin Danshi (85°C/85% RH, awa 1000)
• Gwaje-gwajen Ajiya da Rayuwar Aiki na Babban Zafi/Ƙananan Zafi
• Gwaje-gwajen Bugun Jini da Girgizar Zafi

Waɗannan gwaje-gwaje suna tabbatar da ƙarfin ginin kunshi, haɗin waya, da amincin semiconductor a ƙarƙashin matsanancin yanayi daban-daban.

10. Ka'idojin Fasaha da Trends

10.1 Ka'idar Aiki

Wannan LED ya dogara ne akan semiconductor na Aluminum Gallium Indium Phosphide (AlGaInP). Lokacin da aka yi amfani da ƙarfin gaba, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki, suna sakin makamashi a cikin nau'in photons. Takamaiman ƙarfin bandgap na gami da AlGaInP yana ƙayyade tsayin raƙuman da aka fitar, a wannan yanayin, a cikin kewayon Far Red na 720-750nm. Kunshin PLCC-2 yana ba da kariyar muhalli, ruwan tabarau na farko don fitar da haske, da hanyar zafi.

10.2 Mahallin Masana'antu da Trends

LEDs na Matsakaicin Ƙarfi kamar wannan sun cika wani ɓangare tsakanin ƙananan wutar lantarki na nuna alama da manyan wutar lantarki na hasken haske. Suna ba da kyakkyawar sulhu tsakanin farashi, inganci (lm/W ko mW/W), da sauƙin sarrafa zafi. Buƙatar Far Red LEDs ya girma sosai tare da faɗaɗa aikin noma na yanayi da aka sarrafa (CEA) da hasken gona, inda ake amfani da takamaiman girke-girken haske don inganta girma shuka, yawan amfanin gona, da inganci. Bincike yana ci gaba da inganta ingantaccen inganci na waje (EQE) da amincin AlGaInP LEDs, musamman a cikin sarrafa raguwar inganci da kiyaye aiki a manyan yanayin zafi.