LTST-C19MGEBK-RR SMD LED Takardar Bayani - RGB Mai Cikakken Launi - Tsayin 0.5mm - Halin Yanzu na Gaba 20-30mA - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Wannan takarda ta yi cikakken bayani game da ƙayyadaddun bayanai na LTST-C19MGEBK-RR, wata fitilar LED na na'urar da ake haɗawa ta saman (SMD). Wannan ɓangaren yana cikin dangin ƙananan LED waɗanda aka ƙera musamman don hanyoyin haɗa allon da'ira da aka buga ta atomatik (PCB) da aikace-aikacen da sarari ke da matuƙar mahimmanci. Na'urar ta haɗa guntu LED guda uku daban-daban a cikin kunshi ɗaya mai ƙarami, yana ba da damar fitar da haske ja, kore, da shuɗi. Wannan cikakkiyar ikon launi ya sa ya dace da nau'ikan kayan lantarki na zamani daban-daban.

1.1 Fa'idodi na Asali da Kasuwar Da Ake Nufi

Babban fa'idodin wannan LED sun haɗa da tsarinsa mai siriri sosai, fitar da haske mai ƙarfi, da bin ka'idojin muhalli da masana'antu. Ɗiransa ya ba da fifikon dacewa da yanayin samarwa mai girma, na atomatik.

• Aikace-aikacen Da Ake Nufi:LED ya dace da na'urorin sadarwa (wayoyin mara igiya da wayoyin salula), kwamfutocin hannu (laptops), kayan aikin tsarin cibiyar sadarwa, kayan amfani na gida daban-daban, da aikace-aikacen alamar ciki ko nuni.
• Siffofi Masu Muhimmanci:Na'urar tana bin ƙa'idar Ƙuntata Abubuwa Masu Haɗari (RoHS). Tana da tsayin kunshi na musamman na 0.5mm. Tana amfani da manyan guntu na semiconductor na Ultra Bright InGaN (don kore da shuɗi) da AlInGaP (don ja). Ana ba da shi a cikin kunshi a cikin kaset na 8mm akan reels masu diamita 7-inch, yana bin daidaitattun kunshin EIA don sarrafawa ta atomatik.
• Dacewar Masana'antu:An ƙera ɓangaren don ya dace da da'irori haɗaɗɗu (dacewa da I.C.) da daidaitattun kayan aikin sanyawa ta atomatik. Zai iya jure hanyoyin solder na IR reflow, wanda shine ma'auni don haɗa fasahar haɗawa ta saman.

2. Ma'auni na Fasaha: Cikakken Bayani Mai Ma'ana

Ana ayyana aikin LED a ƙarƙashin takamaiman yanayin muhalli da gwajin lantarki, da farko a zafin yanayi (Ta) na 25°C. Fahimtar waɗannan ma'auni yana da mahimmanci don ƙirar da'ira mai dogaro.

2.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙididdiga suna ayyana iyakokin da za a iya haifar da lalacewa na dindindin ga na'urar. Ba a ba da garantin aiki a ƙarƙashin ko a waɗannan iyakokin ba kuma ya kamata a guji su cikin ƙira.

• Rushewar Wutar Lantarki (Pd):76 mW don guntu Kore da Shuɗi; 75 mW don guntu Ja. Wannan shine matsakaicin wutar lantarki da LED zai iya watsawa azaman zafi.
• Matsakaicin Halin Yanzu na Gaba (I_FP):100 mA don Kore/Shuɗi, 80 mA don Ja, a ƙarƙashin zagayowar aiki 1/10 tare da faɗin bugun jini na 0.1ms. Wannan ƙimar na aikin bugun jini ne, ba DC mai ci gaba ba.
• Halin Yanzu na DC na Gaba (I_F):Matsakaicin halin yanzu mai ci gaba: 20 mA don guntu Kore da Shuɗi; 30 mA don guntu Ja.
• Kewayon Zafin Jiki:Aiki: -20°C zuwa +80°C; Ajiya: -30°C zuwa +85°C.
• Yanayin Solder:Yana jure solder na IR reflow a matsakaicin zafin jiki na 260°C na dakika 10, wanda shine na yau da kullun don hanyoyin solder maras gubar (Pb-free).

2.2 Halayen Lantarki da Haske

Waɗannan su ne ƙimar aikin yau da kullun da aka auna a ƙarƙashin takamaiman yanayin gwaji. Masu ƙira yakamata su yi amfani da waɗannan azaman jagora, suna lura da iyakoki mafi ƙanƙanta da mafi girma.

• Ƙarfin Haske (I_V):Ana auna shi a cikin millicandelas (mcd). Ƙimar mafi ƙanƙanta ita ce 180 mcd, an gwada shi a halin yanzu na gaba daban-daban don kowane launi: Kore a 2mA, Ja a 4.8mA, Shuɗi a 3mA. Matsakaicin shine 450 mcd. Ana auna ƙarfin ta amfani da firikwensin da tacewa wanda ya kusanta da lanƙwasa amsawar ido na ma'aunin CIE.
• Kusurwar Dubawa (2θ_1/2):Cikakkiyar kusurwar dubawa ta yau da kullun ita ce digiri 120, yana nuna tsarin fitarwa mai faɗi.
• Ma'auni na Tsawon Raɗin Haske:
  • Matsakaicin Tsawon Raɗin Haske (λ_P):Ƙimar yau da kullun sune 518 nm (Kore), 632 nm (Ja), da 468 nm (Shuɗi). Wannan shine tsawon raɗin haske inda fitarwar bakan haske ta fi ƙarfi.
  • Tsawon Raɗin Haske Mai Rinjaye (λ_d):Ƙimar yau da kullun sune 525 nm (Kore), 624 nm (Ja), da 470 nm (Shuɗi). Wannan shine tsawon raɗin haske guda ɗaya da idon ɗan adam ya gane wanda ke ayyana launi.
  • Rabin Faɗin Layin Bakan Haske (Δλ):Ƙimar yau da kullun sune 35 nm (Kore), 20 nm (Ja), da 25 nm (Shuɗi). Wannan yana nuna tsaftar bakan haske ko faɗin bandejin hasken da aka fitar.
• Ƙarfin Lantarki na Gaba (V_F):Faɗuwar ƙarfin lantarki a kan LED lokacin aiki a halin yanzu na gwajinsa. Kewayon sune: Kore: 2.20V min, 3.00V max; Ja: 1.70V min, 2.40V max; Shuɗi: 2.20V min, 3.00V max.
• Halin Yanzu na Baya (I_R):Matsakaicin halin yanzu na ɓarna na 50 μA (Kore/Shuɗi) da 10 μA (Ja) lokacin da aka yi amfani da ƙarfin lantarki na baya (V_R) na 5V. Ba a ƙera na'urar don aikin baya ba; wannan ma'auni don dalilai na gwaji ne kawai.

3. Bayanin Tsarin Binning

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LED zuwa kwandon shara dangane da aikin da aka auna. LTST-C19MGEBK-RR yana amfani da manyan ma'auni guda biyu na binning.

3.1 Matsayin Ƙarfin Haske (I_V)

Ana rarraba LED dangane da ƙarfin haske da aka auna a daidaitattun halin yanzu na gwaji. Lambobin bin da kewayon su sune:

• S1:180 mcd (Min) zuwa 225 mcd (Max)
• S2:225 mcd zuwa 285 mcd
• T1:285 mcd zuwa 355 mcd
• T2:355 mcd zuwa 450 mcd

Ana amfani da jurewar +/-15% ga kowane kwandon ƙarfin haske.

3.2 Matsayin Launi (Launi)

Wannan tsarin binning ne mafi rikitarwa dangane da madaidaitan launi na CIE 1931 (x, y), waɗanda ke ayyana wuraren launi ta hanyar kimiyya. Takardar bayani tana ba da cikakken grid na lambobin bin (A, B, C, D da bambance-bambancen su A1, B1, da sauransu) tare da takamaiman iyakoki na madaidaici waɗanda suka zama ma'auni huɗu akan zanen launi. Wannan yana ba da damar zaɓar LED masu kusan irin wannan fitarwar launi daidai. Ana amfani da jurewar +/-0.01 ga madaidaitan (x, y) na kowane kwandon launi. Tsawon raɗin haske mai rinjaye (λ_d) an samo shi daga waɗannan madaidaitan.

4. Binciken Lanƙwasa Aiki

Yayin da aka ambaci takamaiman lanƙwasa a cikin takardar bayani (misali, Hoto 1, Hoto 5), ana iya bayyana halayensu na yau da kullun dangane da fasaha da ma'auni da aka bayar.

4.1 Halin Yanzu na Gaba vs. Ƙarfin Lantarki na Gaba (Lanƙwasa I-V)

Dangantakar I-V don LED ba ta layi ba ce kuma tana nuna ƙima. Ƙarfin lantarki na gaba (V_F) da aka bayar a cikin ƙayyadaddun bayanai hotuna ne a takamaiman halin yanzu na gwaji. A aikace, V_Fzai ƙaru tare da ƙaruwar I_Fkuma yana dogara da zafin jiki. Bambance-bambancen V_Fkewayon don Ja (~1.7-2.4V) da Kore/Shuɗi (~2.2-3.0V) yana buƙatar ƙirar da'irar iyakance halin yanzu a hankali, musamman a aikace-aikacen launi da yawa.

4.2 Ƙarfin Haske vs. Halin Yanzu na Gaba

Fitar haske (I_V) gabaɗaya yana daidaitawa da halin yanzu na gaba (I_F) a cikin kewayon aiki. Duk da haka, inganci na iya raguwa a halin yanzu masu yawa saboda ƙaruwar zafi. Takardar bayani ta ƙayyade halin yanzu na gwaji daban-daban don kowane launi don cimma matakan haske masu kama da juna, yana nuna bambance-bambancen ingancin fasahar guntu na InGaN da AlInGaP.

4.3 Halayen Zafin Jiki

Aikin LED yana da hankali ga zafin jiki. Ƙarfin haske yawanci yana raguwa yayin da zafin haɗin gwiwa ya ƙaru. Ƙayyadaddun kewayon zafin aiki na -20°C zuwa +80°C yana ayyana yanayin yanayi wanda na'urar za ta cika ƙayyadaddun bayananta da aka buga. Gudanar da zafi mai kyau akan PCB yana da mahimmanci don kiyaye aiki da tsawon rai, musamman idan aka yi la'akari da siririn na'urar wanda yana iya iyakance yawan zafi.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin da Sanya Fil

LED yana zuwa a cikin daidaitaccen kunshin SMD. Ruwan tabarau yana da tsabta. Launukan tushe na ciki da sanyawar fil ɗin su daidai sune: InGaN Kore akan fil 1 da 4; AlInGaP Ja akan fil 2 da 5; InGaN Shuɗi akan fil 3 da 6. Duk girmansu yana cikin millimeters tare da jurewar yau da kullun na ±0.1 mm sai dai idan an lura da haka. Tsayin siriri na 0.5mm siffa ce ta injiniya mai mahimmanci.

5.2 Fil ɗin Haɗin PCB da Ake Shawarar

Takardar bayani ta haɗa da zane wanda ke nuna shimfidar fil ɗin tagulla da ake ba da shawara akan PCB don solder LED. Bin wannan sawun yana da mahimmanci don samun haɗin gwiwar solder mai dogaro, daidaitaccen jeri, da kuma kawar da zafi mai inganci yayin aikin reflow da aiki.

6. Jagororin Solder da Haɗawa

6.1 Yanayin Solder na IR Reflow

Don hanyoyin solder maras gubar (Pb-free), an ba da shawarar bayanin martaba na reflow, tare da matsakaicin zafin jiki na 260°C wanda aka ci gaba da shi na dakika 10. Wannan bayanin martaba ne na yau da kullun don yawancin ɓangarorin SMD kuma yana tabbatar da cewa kunshin LED ba ya lalacewa ta hanyar zafi mai yawa.

6.2 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan solder, yakamata a yi amfani da takamaiman sinadarai kawai. Takardar bayani tana ba da shawarar nutsar da LED a cikin barasa na ethyl ko isopropyl a zafin jiki na yau da kullun na ƙasa da minti ɗaya. Sinadarai da ba a bayyana ba na iya lalata kayan kunshin.

6.3 Taka Tsantsan Game da Zubar da Lantarki (ESD)

Guntu na LED suna da hankali ga lantarki da ƙaruwar ƙarfin lantarki. Ana ba da shawarar sosai don amfani da ingantattun sarrafawa na ESD lokacin sarrafa waɗannan na'urori: igiyoyin wuyan hannu, safofin hannu masu hana lantarki, da tabbatar da cewa duk kayan aiki da injina suna da tushe da kyau.

6.4 Yanayin Ajiya

Kunshi Mai Rufi:Yakamata a adana LED a 30°C ko ƙasa da haka da 90% zafi na dangi (RH) ko ƙasa da haka. Lokacin da aka kunna su a cikin jakar hana danshi tare da busasshiyar abu, yakamata a yi amfani da su cikin shekara guda.
Kunshi da aka Buɗe:Yanayin ajiya bai kamata ya wuce 30°C ko 60% RH ba. Abubuwan da aka cire daga ainihin kunshinsu yakamata su sha solder IR reflow cikin mako guda (Matsakaicin Hankalin Danshi 3, MSL 3). Don ajiya mai tsawo a waje da ainihin jakar, yakamata a adana su a cikin akwati mai rufi tare da busasshiyar abu ko a cikin yanayin nitrogen.

7. Bayanin Kunshin da Oda

7.1 Ƙayyadaddun Kaset da Reel

Ana ba da LED a cikin daidaitaccen kaset mai ɗaukar kaya na masana'antu, faɗin 8mm, wanda aka nannade akan reels masu diamita 7-inch (178mm). Kowane cikakken reel yana ɗauke da guda 4000. Kaset yana da kaset ɗin rufi don rufe aljihun ɓangaren. Kunshin ya yi daidai da ƙayyadaddun ANSI/EIA-481. Don adadin ragowar, mafi ƙarancin adadin kunshi shine guda 500.

8. Shawarwari na Aikace-aikace da Abubuwan Ɗauka a Zaman Ɗaki

8.1 Yanayin Aikace-aikace na Yau da Kullun

• Hasken Baya na Keyboard/Keypad:Siririnsa da ikon RGB sun sa ya dace don haskaka maɓallai akan na'urorin hannu, mai yuwuwa tare da tasirin canza launi.
• Alamomin Matsayi:Na iya ba da bayanan matsayi masu launi da yawa (misali, ja don kuskure, kore don shirye, shuɗi don aiki) a cikin sawun ɓangare guda.
• Ƙananan Nuni da Fitilun Alama:Ya dace da ƙananan nuni na bayanai masu launi ko hasken baya na alamomi akan allunan sarrafawa.

8.2 Abubuwan Ɗauka a Zaman Ɗaki

• Tukin Halin Yanzu:Yi amfani da tukin halin yanzu na yau da kullun ko masu iyakance halin yanzu da suka dace don kowane tashar launi daban, saboda bambancin V_Fda I_F characteristics.
• Gudanar da Zafi:Tabbatar da ƙirar PCB tana ba da damar kawar da zafi daga fil ɗin LED, musamman idan ana tuki a ko kusa da matsakaicin halin yanzu.
• Ƙirar Gani:Kusurwar dubawa na digiri 120 tana ba da fitarwa mai faɗi. Yi la'akari da masu watsawa ko jagororin haske idan ana buƙatar fitarwa mafi daidaito ko kai tsaye.
• Binning don Daidaito:Don aikace-aikacen da ke buƙatar daidaiton launi da haske a cikin raka'a da yawa, ƙayyade buƙatun I_Vda lambobin kwandon Hue yayin saye.

9. Kwatancen Fasaha da Bambanci

LTST-C19MGEBK-RR ya bambanta da kansa da farko ta hanyartsayin siriri na 0.5mm, wanda ke da fa'ida ga ƙarin siririn kayan lantarki na masu amfani. Haɗinguntu guda uku masu inganci (InGaN don G/B, AlInGaP don R)a cikin kunshi ɗaya yana ba da mafi girman haske da gamut launi idan aka kwatanta da tsofaffin LED farare masu canzawa ko ƙananan fasahar guntu. Cikakken binhanyoyin haɗawa ta atomatik (kaset-da-reel, IR reflow)ya sa ya zama zaɓi mai inganci don samarwa mai girma, yana bambanta shi da LED waɗanda ke buƙatar solder na hannu.

10. Tambayoyin da Ake Yawan Yi (Dangane da Ma'auni na Fasaha)

Q: Shin zan iya tuki duk launuka uku (RGB) daga tushen halin yanzu na yau da kullun guda?
A: A'a. Kewayon ƙarfin lantarki na gaba (V_F) ya bambanta sosai tsakanin guntu ja da guntu kore/shuɗi. Dole ne a tuka su ta hanyar da'irori masu ƙayyade halin yanzu daban ko kuma su sami masu iyakance halin yanzu da aka ƙididdige su daban.

Q: Menene bambanci tsakanin Tsawon Raɗin Haske da Tsawon Raɗin Haske Mai Rinjaye?
A: Tsawon Raɗin Haske (λ_P) shine kololuwar zahiri na bakan hasken da LED ke fitarwa. Tsawon Raɗin Haske Mai Rinjaye (λ_d) shine tsawon raɗin haske guda ɗaya na fahimta wanda idon ɗan adam ke danganta shi da launin. λ_dya fi dacewa don ƙayyadaddun launi a cikin nuni da haske.

Q: MSL an ƙididdige shi 3. Menene wannan ke nufi ga tsarin samarwa na?
A: Matsakaicin Hankalin Danshi 3 yana nufin kunshin zai iya fallasa wa yanayin bene na masana'anta (≤30°C/60% RH) har zuwa sa'o'i 168 (kwanaki 7) kafin a yi solder. Idan ya wuce, ƙila ana buƙatar gasa ɓangarorin don cire danshin da aka sha kafin reflow don hana lalacewar "popcorning".

11. Misalin Ƙira da Amfani na Aiki

Yanayi: Ƙirar alamar matsayi mai launi da yawa don na'urar IoT ta hannu.
Ƙirar tana buƙatar ɓangare ɗaya, ƙarami don nuna matsayin cibiyar sadarwa (shuɗi: haɗawa, kore: an haɗa, ja: kuskure) da matsayin baturi (kore: high, ja: low). An zaɓi LTST-C19MGEBK-RR saboda siririnsa da ikon RGB. Mai ƙira:
1. Ya shimfida PCB ta amfani da sawun fil ɗin da ake ba da shawara.
2. Ya ƙira da'irar canjin MOSFET na ƙananan gefe guda uku daban, kowannensu yana da resistor na jeri da aka ƙididdige don takamaiman V_Fkewayon launin da ake nufi (Ja, Kore, Shuɗi) don cimma halin yanzu da ake so (misali, 15mA don kyakkyawan haske a ƙaramin wutar lantarki).
3. Ya tabbatar da fil ɗin GPIO na microcontroller na iya zubar da halin yanzu da ake buƙata.
4. Ya ƙayyade ƙaramin kwandon Hue (misali, B1 don kore) yayin yin oda don tabbatar da cewa launin kore "an haɗa" yana da daidaito a duk raka'o'in samarwa.
5. Ya tsara tsarin haɗawa don tabbatar da cewa an yi amfani da reel a cikin lokacin MSL 3 bayan buɗewa.

12. Gabatarwar Ka'ida

Fitar haske a cikin LED yana dogara ne akan electroluminescence a cikin kayan semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba a kan haɗin p-n na guntu, electrons da ramuka suna sake haɗuwa, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman tsawon raɗin haske (launi) na hasken an ƙaddara shi ta hanyar makamashin bandgap na kayan semiconductor. Wannan na'urar tana amfani da:
- Indium Gallium Nitride (InGaN):Wani semiconductor mai haɗaka wanda za'a iya daidaita bandgap ɗinsa ta hanyar daidaita abun ciki na indium. Ana amfani da shi a nan don samar da haske kore da shuɗi.
- Aluminium Indium Gallium Phosphide (AlInGaP):Wani semiconductor mai haɗaka, mai kyau don samar da haske ja da amber mai inganci. Ruwan tabarau mai tsabta yana ba da damar ganin ainihin launin guntu kai tsaye ba tare da canza launi ba.

13. Trends na Ci Gaba

Juyin halittar SMD LED kamar wannan yana bin wasu ƙa'idodin masana'antu masu haske:Ƙananan Girma(siriri, ƙananan sawun ƙafa) don ba da damar samfuran ƙarshe masu santsi.Ƙaruwar Ingantacciyar Aiki(mafi girman ƙarfin haske a kowace mA) don rage amfani da wutar lantarki a cikin na'urorin da ake amfani da baturi.Ingantaccen Fitar Launi da Gamutta hanyar manyan kayan guntu kamar InGaN da AlInGaP don ƙarin nuni masu haske da daidaito.Ingantaccen Dogaro da Daidaitawadon haɗawa cikin cikakkiyar layukan haɗawa ta atomatik, masu sauri, kamar yadda cikakkun binning, ƙayyadaddun kaset-da-reel, da bayanan martaba na reflow da aka bayar a cikin wannan takardar bayani suka tabbatar.