Bayanin Fasaha na LED SMD LTST-G683GEBW - Kunshin 3.2x2.8x1.9mm - Ƙarfin Wutar Gaba 2.8V/3.8V - Halin Yanzu 20mA/30mA - Launuka RGB - Takardun Fasaha na Turanci

1. Bayanin Samfur

LTST-G683GEBW LED ne na na'urar da aka haɗa a saman (SMD) wanda aka tsara don haɗa allon da'ira da aka buga (PCB) ta atomatik. Ƙananan girman sa ya sa ya dace da aikace-aikacen da ke da ƙarancin sarari a cikin faffadan kewayon kayan aikin lantarki. Na'urar tana haɗa ƙwayoyin LED guda uku daban-daban a cikin kunshi ɗaya: koren InGaN chip, ja AlInGaP chip, da blue InGaN chip, kowannensu yana da haɗin lantarki mai zaman kansa. Wannan tsari yana ba da damar sarrafa kowane launi da kansa, yana ba da damar nuna matsayi, hasken alama, da ayyukan hasken baya na gaban allon.

1.1 Siffofi na Asali

• Yana bin umarnin muhalli na RoHS.
• An kunshi shi a cikin kaset na 8mm akan reels masu diamita 7-inch don haɗawa da zaɓi da wuri ta atomatik.
• Daidaitaccen ƙafar kunshi na EIA yana tabbatar da dacewa da kayan aikin sanyawa na masana'antu.
• Haɗin kai (I.C.) halayen tuƙi masu dacewa.
• An tsara shi don jure hanyoyin solder na IR reflow.
• An riga an shirya shi zuwa Matakin Hantsi na JEDEC 3 (MSL 3).

1.2 Aikace-aikacen Da Ake Nufi

• Kayan aikin sadarwa (wayoyin mara igiya/wayoyin hannu).
• Na'urori da atomatik na ofis da kwamfutocin littafin rubutu.
• Tsarin cibiyar sadarwa da kayan aikin gida.
• Allunan alamar cikin gida da alamomin matsayi.
• Fitilun sigina da alama.

2. Zurfin Binciken Ma'aunin Fasaha

2.1 Matsakaicin Ma'auni na Cikakke

Duk ma'auni an ƙayyade su a yanayin zafin muhalli (Ta) na 25°C. Wucewa waɗannan ƙimomi na iya haifar da lalacewa na dindindin.

• Rushewar Wutar Lantarki:80 mW (Kore/Blue), 72 mW (Ja).
• Matsakaicin Halin Yanzu na Gaba (1/10 Duty Cycle, 0.1ms Pulse):100 mA (Kore/Blue), 80 mA (Ja).
• DC Halin Yanzu na Gaba:20 mA (Kore/Blue), 30 mA (Ja).
• Kewayon Zafin Aiki:-40°C zuwa +85°C.
• Kewayon Zafin Ajiya:-40°C zuwa +100°C.

2.2 Halaye na Lantarki & na Gani

An auna a Ta=25°C tare da halin yanzu na gaba (IF) na 20mA, sai dai idan an lura daban.

• Ƙarfin Haskakawa (Iv):
  • Kore: Mafi ƙanƙanta 900 mcd, Typ 2240 mcd (Matsakaici).
  • Ja: Mafi ƙanƙanta 355 mcd, Typ 900 mcd (Matsakaici).
  • Blue: Mafi ƙanƙanta 180 mcd, Typ 355 mcd (Matsakaici).
• Juzu'in Haskakawa (Φv):Ƙimar al'ada sune 3.5 lm (Kore), 2.1 lm (Ja), 0.9 lm (Blue).
• Kusurwar Dubawa (2θ1/2):Yawanci digiri 120.
• Tsawon Zango Kololuwa (λP):Ƙimar al'ada sune 518 nm (Kore), 630 nm (Ja), 465 nm (Blue).
• Tsawon Zango Mai Rinjaye (λd):
  • Kore: 520-530 nm.
  • Ja: 617-629 nm.
  • Blue: 465-475 nm.
• Rabin Nisa na Spectral (Δλ):Ƙimar al'ada sune 35 nm (Kore), 20 nm (Ja), 25 nm (Blue).
• Ƙarfin Wutar Gaba (VF):
  • Kore/Blue: Mafi ƙanƙanta 2.8V, Matsakaici 3.8V.
  • Ja: Mafi ƙanƙanta 1.8V, Matsakaici 2.4V.
• Halin Yanzu na Baya (IR):Matsakaici 10 μA a VR=5V. Ba a tsara na'urar don aikin bias na baya ba.

3. Bayanin Tsarin Binning

Ana rarraba samfurin zuwa kwandon shara bisa ƙarfin haskakawa da tsawon zango mai rinjaye don tabbatar da daidaiton launi da haske a cikin samarwa.

3.1 Binning na Ƙarfin Haskakawa

Ana bin ƙarfi ta amfani da lambar harafi biyu (misali, A1, B4, D12). Harafin farko (A-D) yana ayyana kewayon ƙarfin kore, yayin da lambar (1-12) ke ayyana madaidaicin kewayon ƙarfin ja da blue. Kowane kwandon shara yana da jurewar ±11%.

• Ƙungiyoyin Ƙarfin Kore:A (900-1120 mcd), B (1120-1400 mcd), C (1400-1800 mcd), D (1800-2240 mcd).
• Ƙananan Ƙungiyoyin Ƙarfin Ja/Blue:Lambobi 1-12 suna zuwa takamaiman ƙananan da manyan ƙimomi don LED ja da blue kamar yadda aka yi cikakken bayani a cikin teburin giciye.

3.2 Binning na Tsawon Zango Mai Rinjaye

Ana bin tsawon zango ta amfani da lambobin E1 zuwa E4, tare da jurewar ±1 nm a kowane kwandon shara.

• E1:Kore 520-525 nm, Ja 617-629 nm, Blue 465-470 nm.
• E2:Kore 520-525 nm, Ja 617-629 nm, Blue 470-475 nm.
• E3:Kore 525-530 nm, Ja 617-629 nm, Blue 465-470 nm.
• E4:Kore 525-530 nm, Ja 617-629 nm, Blue 470-475 nm.

4. Binciken Lankwasa na Aiki

Bayanin bayanin ya haɗa da lankwasan halaye na al'ada waɗanda ke da mahimmanci don ƙirar da'ira.

4.1 Halin Yanzu na Gaba vs. Ƙarfin Wutar Gaba (Lankwasa I-V)

Wannan lankwasa tana nuna alaƙar da ba ta da layi tsakanin ƙarfin wutar gaba da aka yi amfani da ita da sakamakon halin yanzu ga kowane guntu launi. Masu zane suna amfani da wannan don zaɓar masu hana halin yanzu da suka dace. LED ja yawanci yana da ƙarancin ƙarfin wutar gaba (~2.0V) idan aka kwatanta da LED kore da blue (~3.2V).

4.2 Ƙarfin Haskakawa vs. Halin Yanzu na Gaba

Wannan jadawali yana kwatanta yadda fitowar haske ke ƙaruwa tare da halin yanzu na tuƙi. Gabaɗaya yana da layi a cikin kewayon aikin da aka ba da shawarar amma yana iya cika a manyan halayen yanzu. Wannan yana taimakawa wajen tantance halin yanzu na tuƙi da ake buƙata don cimma matakin haske da ake so.

4.3 Rarraba Spectral

Duk da yake ba a zana shi a sarari ba, ƙayyadaddun tsawon zango kololuwa da rabin nisa na spectral suna ayyana bakan fitarwa ga kowane launi. LED kore da blue, dangane da InGaN, suna da faɗin faɗin bakan (~25-35 nm) idan aka kwatanta da LED ja AlInGaP (~20 nm).

5. Bayanin Injiniya & Kunshi

5.1 Girman Kunshi

Na'urar ta yi daidai da daidaitaccen ƙafar SMD. Mahimman girma (a cikin milimita) sune: Tsawon: 3.2 mm, Faɗi: 2.8 mm, Tsayi: 1.9 mm. Jurewa yawanci ±0.2 mm.

5.2 Ayyukan Fil & Polarity

Kunshin pad 6 yana da masu haɗin anode/cathode masu zaman kansu masu zuwa:

• Fil 1 & 6: LED Blue.
• Fil 2 & 5: LED Ja.
• Fil 3 & 4: LED Kore.

Dole ne a kiyaye polarity daidai yayin shimfidar PCB.

5.3 Tsarin Pad na PCB da Ake Shawarta

An ba da zanen tsarin ƙasa don tabbatar da ingantaccen solder. Tsarin pad yana lissafin taimakon zafi da samuwar fillet ɗin solder daidai yayin reflow.

6. Jagoran Solder & Haɗawa

6.1 Bayanin Yanayin Solder na IR Reflow

An ba da shawarar bayanin solder mara gubar, wanda ya dace da J-STD-020B.

• Pre-heat:150-200°C na matsakaicin dakika 120.
• Matsakaicin Zafin Jiki:Matsakaici 260°C.
• Lokaci Sama da Liquidus:Kamar yadda lankwasa ta bayyana.
• Iyakar Solder:Matsakaicin zagaye biyu na reflow, kowane lokaci kololuwa na dakika 10.

6.2 Yanayin Ajiya

• Jaka Mai Rufi (MSL 3):Ajiye a ≤30°C da ≤70% RH. Yi amfani da shi cikin shekara guda bayan buɗe jakar.
• Bayan Buɗe Jaka:Ajiye a ≤30°C da ≤60% RH. Kammala IR reflow cikin sa'o'i 168 (mako ɗaya).
• Ajiya Mai Tsayi (An Buɗe):Yi amfani da kwantena masu rufi tare da desiccant. Idan an ajiye >168 hours, gasa a 60°C na sa'o'i 48+ kafin solder.

6.3 Tsaftacewa

Idan tsaftacewa ya zama dole, yi amfani da kaushi masu tushen barasa kamar isopropyl alcohol ko ethyl alcohol. Tsoma LED a yanayin zafi na al'ada na ƙasa da minti ɗaya. Guji masu tsaftace sinadarai da ba a ƙayyade ba.

7. Bayanin Kunshi & Oda

7.1 Cikakkun Bayanai na Kaset da Reel

Ana samar da LED a cikin kaset mai ɗaukar hoto.

• Faɗin Kaset:8 mm.
• Diamita na Reel:7 inches.
• Adadin Kowane Reel:Guda 2000.
• Mafi ƙarancin Adadin Oda (MOQ):Guda 500 don ragowar.
• Kunshi ya yi daidai da ƙayyadaddun EIA-481-1-B.

8. Shawarwari na Aikace-aikace

8.1 Da'irori na Aikace-aikace na Al'ada

Kowane tashar launi yana buƙatar resistor mai hana halin yanzu na jeri. Ƙimar resistor (R) za a iya ƙididdige ta ta amfani da Dokar Ohm: R = (Vcc - VF) / IF, inda Vcc shine ƙarfin wutar lantarki, VF shine ƙarfin wutar gaba na LED, kuma IF shine halin yanzu na gaba da ake so (misali, 20mA). Resistors daban-daban ga kowane launi wajibi ne saboda halayensu na VF daban-daban.

8.2 Abubuwan da Ake La'akari da Zane

• Gudanar da Zafin Jiki:Tabbatar cewa shimfidar PCB yana ba da isasshen raguwar zafi, musamman lokacin tuka LED da yawa ko a manyan yanayin zafi na muhalli.
• Kariya ta ESD:Ko da yake ba a bayyana shi a sarari a matsayin mai hankali ba, ana ba da shawarar matakan kula da ESD na daidaitattun na'urori masu ƙarfi yayin haɗawa.
• Zane na Gani:Ruwan tabarau mai yaduwa yana ba da faɗin kusurwar dubawa (120°). Don hasken da aka yi niyya, ƙila ana buƙatar na'urori na gani na biyu.

9. Kwatancen Fasaha & Bambance-bambance

LTST-G683GEBW yana ba da madaidaicin mafita na RGB da aka haɗa. Manyan masu bambanta sun haɗa da:

• Haɗin Kai Launi Uku:Yana haɗa launuka uku daban-daban a cikin ƙafar 3.2x2.8mm ɗaya, yana adana sararin allo idan aka kwatanta da LED daban-daban guda uku.
• Sarrafa Kai:Anodes/cathodes daban-daban suna ba da damar duhu da haɗa launi da kansu, sabanin na kowa-anode ko na kowa-cathode RGB LED.
• Babban Haskakawa:Yana ba da manyan kwandon shara masu ƙarfin haskakawa, musamman don kore, wanda ya dace da aikace-aikacen da ke buƙatar babban gani.
• Dacewar Tsari:Cikakken dacewa da babban girma, haɗa SMT ta atomatik da hanyoyin reflow marasa gubar.

10. Tambayoyin da Ake Yawan Yi (FAQ)

10.1 Shin Zan iya tuka LED ja a 30mA da kore/blue a 20mA lokaci guda?

Ee, Matsakaicin Ma'auni na Cikakke ya ƙayyade halin yanzu na gaba na DC na 30mA don LED ja da 20mA don LED kore/blue. Dole ne ku tsara da'irar tukin ku don samar da waɗannan takamaiman halayen yanzu ga kowane tashar. Wucewa halin yanzu da aka ƙayyade zai rage rayuwa kuma yana iya haifar da gazawa.

10.2 Menene bambanci tsakanin Tsawon Zango Kololuwa da Tsawon Zango Mai Rinjaye?

Tsawon Zango Kololuwa (λP)shine tsawon zango inda ƙarfin fitarwa na gani ya fi girma.Tsawon Zango Mai Rinjaye (λd)an samo shi daga zanen chromaticity na CIE kuma yana wakiltar tsawon zango guda ɗaya na hasken monochromatic wanda zai bayyana yana da launi ɗaya ga idon ɗan adam. λd ya fi dacewa da fahimtar launi a aikace-aikace.

10.3 Ta yaya zan fassara lambar bin A7 ko D12?

Lambar bin tana tabbatar da daidaiton launi da haske. Misali, lambar "A7" tana nufin ƙarfin LED kore yana cikin bin "A" (900-1120 mcd), kuma ƙarfin LED ja & blue sun dace da ƙananan rukuni "7" (duba teburin giciye don ainihin ƙananan/manyan ƙimomi na ja da blue). Koyaushe ƙayyade lambobin bin da ake buƙata don daidaitattun jerin samarwa.

11. Nazarin Shari'ar Zane na Aiki

Yanayi:Zana alamar matsayi da yawa don na'urar sadarwa. Alamar dole ne ta nuna Wutar Lantarki (Kore), Aiki (Blue Mai Walƙiya), da Kuskure (Ja).Ai watar:Yi amfani da LTST-G683GEBW. Haɗa kowane tashar launi zuwa filin GPIO na microcontroller ta hanyar resistor mai hana halin yanzu. Ƙididdige resistors: Don samar da wutar lantarki 5V, R_Kore/Blue ≈ (5V - 3.2V) / 0.02A = 90Ω (yi amfani da 91Ω na daidaitacce). R_Ja ≈ (5V - 2.0V) / 0.02A = 150Ω. Sa'an nan firmware na iya sarrafa kowane LED da kansa don tsayayye, walƙiya, ko jihohin launi gauraye, duk a cikin ƙafar ƙafa ɗaya, ƙanana.

12. Gabatarwar Ka'idar Aiki

Diodes masu fitar da haske (LEDs) na'urori ne masu ƙarfi waɗanda ke fitar da haske lokacin da halin yanzu na lantarki ya wuce ta cikinsu. Wannan al'amari ana kiransa electroluminescence. A cikin LTST-G683GEBW:

• NaKore da Blueguntun suna amfani da kayan semiconductor Indium Gallium Nitride (InGaN). Ƙarfin bandgap na Layer mai aiki na InGaN yana ƙayyade launin da aka fitar (kore ko blue).
• NaJaguntu yana amfani da kayan Aluminium Indium Gallium Phosphide (AlInGaP), wanda aka inganta don fitar da ja da amber mai inganci.
• Lokacin da aka yi bias na gaba, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki, suna sakin makamashi a cikin nau'in photons (haske). Ruwan tabarau na epoxy mai yaduwa yana rufe guntu, yana ba da kariya ta injiniya, kuma yana siffanta fitar da haske.

13. Trends na Fasaha

Kasuwancin LED SMD yana ci gaba da haɓaka zuwa:

• Mafi Girman Inganci:Ƙara lumens kowace watt (lm/W) don samar da ƙarin fitowar haske don shigar da lantarki ɗaya, rage amfani da wutar lantarki da kayan aikin zafi.
• Miniaturization:Haɓaka ƙananan girman kunshi (misali, 2.0x1.6mm, 1.6x0.8mm) don ƙananan kayan lantarki na mabukaci.
• Ingantaccen Fitar da Launi & Daidaito:Ƙananan jurewar binning da sabbin fasahohin phosphor don madaidaiciyar maki launi mafi daidaito, mahimmanci don hasken baya na nuni da hasken gine-gine.
• Haɗin Siffofi na Hankali:Trend zuwa LED tare da haɗa cikin direbobi, masu sarrafawa, ko musayar sadarwa (kamar I2C) don sauƙaƙe ƙirar tsarin.

Na'urori kamar LTST-G683GEBW suna wakiltar ingantaccen fasahar babban al'ada wanda ke ba da ingantaccen mafita mai launi da yawa don aikace-aikacen nuna alama na gaba ɗaya.