Takardar Bayani na Fasaha na LED na Top View 67-21 - Kunshin PLCC-2 - 2.0x1.25x1.1mm - 2.35V Matsakaici - 50mA - Launin lemu na Orange - Hausa

1. Bayyani Game da Samfur

Jerin 67-21 yana wakiltar dangin LED na Top View da aka sanya a cikin ƙaramin kunshin PLCC-2 (Plastic Leaded Chip Carrier). Wannan na'urar tana da siffar jikin fari da gilashin taga mai tsafta. Wani muhimmin fasalin ƙira shine haɗaɗɗen mai juyawa a cikin kunshi, wanda ke aiki don inganta haɗin haske da ingantaccen fitarwa. Wannan ƙirar tana haifar da faɗin kusurwar kallo, yana mai da LED ya dace sosai don aikace-aikacen da ke amfani da bututun haske ko buƙatar tsarin haske mai faɗi. Ƙarancin buƙatar halin yanzu na gaba yana ƙara ƙarfafa sha'awarsa don aikace-aikacen masu hankali da wutar lantarki, kamar na'urorin lantarki masu ɗauka.

Babban aikin wannan LED shine a matsayin mai nuna haske ko tushen haske na baya. An ƙera kunshin don dacewa da tsarin haɗawa na zamani, mai yawa, gami da reflow na vapor-phase, reflow na infrared, da gajarta igiyar ruwa. Hakanan yana dacewa da kayan aikin ɗauka da sanyawa ta atomatik kuma ana samar da shi akan tef 8mm da reel don ingantaccen haɗawa ta atomatik.

An gina na'urar ta amfani da kayan da ba su da gubar (Pb-free) kuma suna bin ƙa'idodin RoHS (Ƙuntata Abubuwa masu haɗari), yana tabbatar da cewa ya cika ka'idojin muhalli da ƙa'idodi na zamani don kayan lantarki.

2. Ƙayyadaddun Fasaha da Fassarar Manufa

2.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙididdiga suna ayyana iyakokin damuwa waɗanda sama da su lalacewar dindindin na na'urar na iya faruwa. Ba a ba da garantin aiki a ƙarƙashin ko a waɗannan iyakokin kuma ya kamata a guje su a cikin ƙirar kewayawa.

• Ƙarfin Juyawa (V_R):5V. Wuce wannan ƙarfin a cikin juyawa mai juyawa zai iya haifar da rushewar haɗin gwiwa.
• Halin Yanzu na Gaba (I_F):50mA DC. Ya kamata halin yanzu na DC na ci gaba kada ya wuce wannan ƙimar.
• Kololuwar Halin Yanzu na Gaba (I_FP):100mA. Wannan yana halatta ne kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki a 1kHz).
• Rushewar Wutar Lantarki (P_d):120mW. Wannan shine matsakaicin ƙarfin da aka halatta, wanda aka ƙididdige shi azaman V_F* I_F.
• Zazzabi na Aiki (T_opr):-40°C zuwa +85°C. Kewayon yanayin yanayi don aiki mai dogaro.
• Zazzabi na Ajiya (T_stg):-40°C zuwa +100°C.
• Zubar da Wutar Lantarki (ESD):2000V (Samfurin Jikin Mutum). Ana buƙatar ingantattun hanyoyin sarrafa ESD.
• Zazzabin Gajarta:Don sake kunnawa, an ƙayyade matsakaicin zafin jiki na 260°C har zuwa dakika 10. Don gajarta da hannu, 350°C na dakika 3 shine iyaka.

2.2 Halayen Lantarki-Haske

Ana auna waɗannan sigogi a daidaitaccen yanayin gwaji na zafin yanayi 25°C da halin yanzu na gaba (I_F) na 20mA, sai dai idan an faɗi.

• Ƙarfin Hasken Hasken (I_V):Ya kewayo daga mafi ƙarancin millicandelas 450 (mcd) zuwa matsakaicin 1120 mcd. Ƙimar ta yau da kullun tana cikin wannan kewayon. Ana amfani da jurewar ±10%.
• Kusurwar Kallo (2θ_1/2):Digiri 120 (na yau da kullun). Wannan shine cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimar kololuwar sa, yana tabbatar da da'awar \"faɗin kusurwar kallo\".
• Matsakaicin Tsawon Tsawon Tsawon (λ_p):591 nm (na yau da kullun). Wannan shine tsawon zango inda rarraba ƙarfin bakan ya fi girma.
• Matsakaicin Tsawon Tsawon (λ_d):586 nm zuwa 594 nm. Wannan tsawon zango yana ayyana launin da ake gani (orange mai laushi). An ƙayyade ƙaƙƙarfan jurewar ±1 nm.
• Faɗin Bakan Bakan (Δλ):20 nm (na yau da kullun). Wannan yana nuna tsaftar bakan hasken da aka fitar.
• Ƙarfin Gaba (V_F):1.75V zuwa 2.35V a 20mA. Jurewar ita ce ±0.1V. Wannan siga yana da mahimmanci don ƙididdige ƙimar resistor na jerin da ɓarnar wutar lantarki.
• Halin Yanzu na Juyawa (I_R):Matsakaicin 10 µA a ƙarfin juyawa na 5V.

3. Bayanin Tsarin Binning

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LED zuwa kwandon bin bisa mahimman sigogi.

3.1 Binning Tsawon Tsawon (HUE)

Yana ayyana daidaiton launi. Jerin 67-21 don orange mai laushi an haɗa su a ƙarƙashin lambar \"F\" tare da ƙananan kwandon bin guda huɗu:

• DD1: 586 - 588 nm
• DD2: 588 - 590 nm
• DD3: 590 - 592 nm
• DD4: 592 - 594 nm

3.2 Binning Ƙarfin Hasken Hasken (CAT)

Yana ayyana fitarwa mai haske. An ayyana kwandon bin huɗu a I_F=20mA:

• U1: 450 - 565 mcd
• U2: 565 - 715 mcd
• V1: 715 - 900 mcd
• V2: 900 - 1120 mcd

3.3 Binning Ƙarfin Gaba (REF)

Yana ayyana halayen lantarki don sauƙaƙe ƙirar kewayawa. Rukunin \"B\" yana da kwandon bin uku a I_F=20mA:

• 0: 1.75 - 1.95 V
• 1: 1.95 - 2.15 V
• 2: 2.15 - 2.35 V

Haɗin takamaiman (misali, CAT: V2, HUE: DD3, REF: 1) ana nuna shi akan lakabin samfurin da reel.

4. Bincike na Lanƙwasa Aiki

Takardar bayani tana ba da lanƙwasa halaye da yawa waɗanda ke da mahimmanci don fahimtar halayen na'urar a ƙarƙashin yanayin da ba daidai ba.

4.1 Dangantakar Ƙarfin Hasken Hasken da Halin Yanzu na Gaba

Wannan lanƙwasa tana nuna cewa fitarwar haske yana ƙaruwa tare da halin yanzu amma ba a layi daya ba. Yana taimaka wa masu ƙira su zaɓi wurin aiki wanda ke daidaita haske tare da inganci da damuwa na na'urar.

4.2 Lanƙwasa Rage Halin Yanzu na Gaba

Wannan jadawali mai mahimmanci yana nuna matsakaicin halin yanzu na gaba na ci gaba da aka halatta a matsayin aikin zafin yanayi. Yayin da zafin jiki ya ƙaru, dole ne a rage matsakaicin halin yanzu don ci gaba da kasancewa cikin iyakar ɓarnar wutar lantarki na 120mW da hana yin zafi. Misali, a 85°C, matsakaicin I_Fya yi ƙasa da 50mA sosai.

4.3 Ƙarfin Gaba da Halin Yanzu na Gaba

Wannan lanƙwasa IV tana kwatanta alaƙar diode mai ma'ana. Ƙarfin yana ƙaruwa tare da halin yanzu, kuma wannan dangantakar tana dogara da zafin jiki (ana nuna lanƙwasa a 25°C).

4.4 Rarraba Bakan

Jadawalin yana nuna kololuwa guda ɗaya a tsakiya kusan 591 nm, yana tabbatar da fitarwar orange mai launi ɗaya tare da faɗin bakan na yau da kullun na 20 nm.

4.5 Tsarin Radiation

Zanen polar yana tabbatar da faɗin kusurwar kallo na 120° a zahiri, yana nuna halayen fitarwa kusan Lambertian wanda ya dace da haske mai faɗi.

5. Bayanin Injiniya da Kunshi

5.1 Girman Kunshi

Kunshin PLCC-2 yana da girman jiki kusan 2.0mm (tsawon) x 1.25mm (faɗin) x 1.1mm (tsayi). Matsakaicin gudun jagora shine 1.0mm. An ba da cikakkun zane-zane masu girma tare da jurewa (yawanci ±0.1mm) don ƙirar sawun PCB. Kunshin ya haɗa da bayyanannen ganewar cathode (yawanci ana nuna shi ta hanyar tsaga ko alamar kore a cikin zanen).

5.2 Kunshi Reel da Tef

Ana samar da kayan aiki akan tef mai ɗaukar kaya 8mm don haɗawa ta atomatik. Girman reel an daidaita su. Kowane reel yana ƙunshe da guda 2000. Girman tef ɗin mai ɗaukar kaya yana tabbatar da riƙe kayan aiki da ciyarwa daidai.

5.3 Hankalin Danshi da Ajiya

An kunna kayan aiki a cikin jakar aluminum mai hana danshi tare da desiccant don hana shan danshi, wanda yake da mahimmanci don hana \"popcorning\" yayin gajarta reflow. An yiwa jakar lakabin da bayanan samfurin da suka dace.

6. Jagororin Gajarta da Haɗawa

An ƙididdige na'urar don daidaitattun hanyoyin gajarta SMD.

• Gajarta Reflow:An ba da shawarar bayanin yanayin zafin jiki bai wuce 260°C ba har zuwa dakika 10.
• Gajarta da Hannu:Idan ya cancanta, ana iya amfani da zafin ƙarshen guntun gajarta har zuwa 350°C har zuwa dakika 3 kowace jagora.
• Yana dacewa da duka fasahohin reflow na infrared (IR) da na vapor-phase.
• Bin tsarin ƙasa da aka ba da shawarar daga zanen girma yana da mahimmanci don samar da haɗin gajarta mai dogaro da daidaita kai yayin sake kunnawa.

7. Shawarwari na Aikace-aikace da La'akari da Ƙira

7.1 Yanayin Aikace-aikace na Yau da Kullun

• Cikin Motoci:Hasken baya don kayan aikin dashboard, maɓallan sarrafawa, da alamomin matsayi.
• Kayan Aikin Sadarwa:Alamomin matsayi da hasken baya na maɓalli a cikin wayoyi, na'urorin faks, da kayan aikin sadarwa.
• Kayan Lantarki na Masu Amfani:Alamomin wutar lantarki, hasken baya na maɓalli, da fitilun matsayi a cikin na'urori masu ɗauka, kayan aikin gida, da kayan aikin sauti/ bidiyo.
• Alamomin Panel na Gabaɗaya:Kowane aikace-aikacen da ke buƙatar mai nuni na gani mai haske, mai faɗi.

7.2 Aikace-aikacen Bututun Hasken

Faɗin kusurwar kallo da ingantaccen haɗin haske daga mai juyawa sun sa wannan LED ya dace sosai don amfani da bututun haske. Ƙirar tana kama haske daga mutuwar LED yadda ya kamata kuma tana jagorantar shi cikin bututun haske tare da ƙaramin asara, yana ba da damar haske mai haske da daidaito a nesa da ainihin wurin LED.

7.3 La'akari da Ƙirar Kewayawa

• Resistor Mai Iyakance Halin Yanzu:Resistor na jerin yana tilas. Ƙididdige ƙimarsa ta amfani da R = (V_supply- V_F) / I_F. Yi amfani da matsakaicin V_Fdaga kwandon bin ko takardar bayani don tabbatar da isasshen halin yanzu a ƙarƙashin duk yanayi.
• Rushewar Wutar Lantarki:Tabbatar da samfurin V_F* I_Fbai wuce 120mW ba, musamman a manyan yanayin zafi (duba lanƙwasa ragewa).
• Kariya ta ESD:Aiwatar da ainihin kariyar ESD akan alamun PCB idan LED ya fallasa ga lambar mai amfani, saboda ƙimar HBM na 2kV yana da matsakaici.

8. Gwajin Dogaro

Samfurin yana ƙarƙashin gwaje-gwajen dogaro na yau da kullun don tabbatar da inganci da tsawon rai. Tsarin gwaji ya dogara ne akan matakin amincewa na 90% tare da LTPD (Lot Tolerance Percent Defective) na 10%. Gwaji ɗaya da aka ƙayyade shine juriyar gajarta reflow, inda samfuran ke fuskantar 260°C±5°C na aƙalla dakika 5 sama da zagaye 6.

9. Tambayoyin da ake yawan yi (Dangane da Sigogi na Fasaha)

Q: Wane resistor ne ya kamata in yi amfani da shi don wadatar 5V?

A: Ta amfani da matsakaicin V_Fna 2.35V da manufa I_Fna 20mA: R = (5V - 2.35V) / 0.02A = 132.5Ω. Daidaitaccen resistor 130Ω ko 150Ω zai dace. Koyaushe tabbatar da ainihin halin yanzu tare da auna V_F.

Q: Shin zan iya tuƙa wannan LED tare da filin microcontroller na 3.3V?

A: Yiwuwa, amma ya dogara da ainihin V na LED_F. Idan V_Fyana kusa da 2.35V, faɗuwar ƙarfin a kan resistor mai iyakance halin yanzu daga tushen 3.3V zai zama ƙanƙanta sosai, yana mai da sarrafa halin yanzu ba daidai ba kuma yana kula da bambance-bambancen V_F. Ƙananan V_Fkwandon bin ko da'irar direba na musamman ana ba da shawarar don tsarin 3.3V.

Q: Ta yaya zafin jiki ke shafar haske?

A: Kamar yawancin LED, ƙarfin haske yana raguwa yayin da zafin haɗin gwiwa ya ƙaru. Lanƙwasa ragewa a kaikaice yana nuna hakan ta hanyar buƙatar ƙananan halin yanzu a manyan yanayin zafi don sarrafa zafi. Don kiyaye haske akai-akai, ana iya buƙatar sarrafa zafi ko amsa.

Q: Shin wannan ya dace don amfani a waje?

A: Kewayon zafin aiki (-40°C zuwa +85°C) ya ƙunshi yawancin yanayin waje. Duk da haka, ba a ƙayyade kunshin musamman don hana ruwa ko juriyar UV ba. Don fallasa kai tsaye a waje, ƙarin kariyar muhalli (lulluɓi mai daidaitawa, akwati mai rufi) zai zama dole.

10. Kwatancen Fasaha da Matsayi

Jerin 67-21 a cikin kunshin PLCC-2 yana sanya kansa a matsayin LED mai nuni na gabaɗaya, mai tsada mai inganci tare da mai da hankali sosai kan aikin faɗi. Idan aka kwatanta da ƙananan LED na guntu (misali, 0402, 0603), yana ba da fitarwar haske mafi girma da faɗin kusurwar kallo saboda girman mutuwa da haɗaɗɗen mai juyawa. Idan aka kwatanta da LED na \"dome\" na gargajiya, yana ba da ƙaramin bayani da ya dace da na'urorin lantarki na zamani, sirara. Babban bambancinsa shine haɗuwa da kyakkyawan haske, faɗin kusurwar kallo sosai, da dacewa da haɗawa ta atomatik na SMT, yana mai da shi zaɓi mai fa'ida don duka aikin nuni da na bututun haske inda ake son haske mai faɗi, ko da.