LED mai Launi Biyu 3.2x1.0x1.48mm - Shudi/Lemu - Wutar Gaba 2.0V/3.0V - Ƙarfi 48/64mW - Takaddun Fasaha

1. Bayanin Samfur

LED mai launi biyu wani na'urar haɗa-ɗaya ce mai ƙarami wacce aka kera ta amfani da guntu shudi da lemu daban. Girmanta 3.2mm x 1.0mm x 1.48mm, yana mai dacewa da aikace-aikace masu ƙarancin sarari. Na'urar tana haɗa tsayin igiyar ruwa biyu a cikin fakiti ɗaya, tana ba da sassauci ga zane don nuna alama da nuni mai launuka biyu.

1.1 Muhimman Fasaloli

• Kusurwar gani mai faɗi sosai na 140°, yana tabbatar da rarraba haske daidai.
• Ya dace da dukkan hanyoyin haɗa SMT da sake narkewar reflow.
• Matsayin hankalin danshi: Matsayi 3 (MSL 3) bisa ga ma'aunin JEDEC.
• Ya bi ka'idojin RoHS, ba shi da abubuwa masu haɗari.
• Fitowar launi biyu: Lemu (tsawon igiyar ruwa ~620nm) da Shudi (~465nm).
• Wutar gaba mai ƙarancin: Lemu ~2.0V, Shudi ~3.0V a 20mA.

1.2 Aikace-aikacen Manufa

• Alamun gani na kayan lantarki, na'urorin mallaka, da kayan masana'antu.
• Hasken maɓalli da alama, allon nunawa.
• Nuna matsayi na gama-gari inda launuka biyu ke ba da amsa bayyananne.

2. Cikakken Nazarin Sigogi na Fasaha

Duk halayen lantarki da na gani ana auna su a Ts=25°C da IF=20mA sai dai in an faɗi. Samfurin an tsara shi don aiki mai dogaro a cikin iyaka.

2.1 Halayen Lantarki-Gani

Tsawon Igiyar Ruwa (λd):Guntu lemu: 615-630nm, yawanci 620nm (gwaji a 20mA). Guntu shudi: 460-475nm, yawanci 465nm. Faɗin rabin bandwidth (Δλ) 15-30nm ga duka guntu, yana nuna fitowar launi mai tsabta.

Wutar Gaba (VF):Guntu lemu yana da bins VF daga 1.8V zuwa 2.2V yawanci 2.0V. Guntu shudi yana da bins VF daga 2.8V zuwa 3.6V yawanci 3.0V. Wutar gaba mai ƙarancin tana rage buƙatun wutar lantarki da rage haɓaka zafi.

Ƙarfin Haske (IV):Guntu lemu yana da bins ƙarfi daga 100 mcd zuwa 350 mcd yawanci 150-230 mcd. Guntu shudi yana da bins ƙarfi daga 100 mcd zuwa 350 mcd yawanci 150-230 mcd. Ƙarfin ya bambanta da bin; masu zane ya kamata su zaɓi bins masu dacewa don haske iri ɗaya.

Kusurwar Gani (2θ1/2):Digiri 140, yana ba da ganuwa mai faɗi. Wannan yana da amfani ga alamun gefe ko aikace-aikace masu buƙatar haske mai faɗi.

Halan Komawa (IR):Kasa da 10 µA a VR=5V, yana tabbatar da ƙarancin zubewa a yanayin juyar da baya.

Juriya na Zafi (RTHJ-S):450°C/W, wanda ke da ɗan girma. Gudanar da zafi mai isa yana da mahimmanci don kiyaye zafin haɗi cikin iyaka.

2.2 Matsayin Ƙarfin Kai iyaka

Zane dole ne ya tabbatar da cewa halin yanzu kololuwa da ragewar ƙarfi ba su taɓa wuce waɗannan iyakokin ba. Ana buƙatar masu iyakance halin yanzu da suka dace.

3. Bayanin Tsarin Rarrabuwa

Samfurin yana amfani da tsarin rarrabuwa don rarraba LEDs ta hanyar wutar gaba (VF), tsawon igiyar ruwa (WLD), da ƙarfin haske (IV). Kowane reel yana ƙunshe da ƙayyadaddun sassa daga takamaiman bins don tabbatar da daidaituwa a cikin oda ɗaya.

3.1 Bins na Wutar Gaba (Lemu)

Bins VF na guntu lemu: B0 (1.8-2.0V), C0 (2.0-2.2V), D0 (2.2-2.4V). Bin da aka fi amfani da shi shine B0 ko C0.

3.2 Bins na Wutar Gaba (Shudi)

Bins VF na guntu shudi: G0 (2.8-3.0V), H0 (3.0-3.2V), I0 (3.2-3.4V), J0 (3.4-3.6V). Bin na kowa shine H0.

3.3 Bins na Tsawon Igiyar Ruwa

Bins na tsawon igiyar ruwa na lemu: D00 (615-620nm), E00 (620-625nm), F00 (625-630nm). Bins na shudi: C00 (460-465nm), D00 (465-470nm), E00 (470-475nm).

3.4 Bins na Ƙarfin Haske

Bins na ƙarfin lemu: B0 (100-150mcd), C0 (150-230mcd), D0 (230-350mcd). Bins na shudi: G00 (100-150mcd), H00 (150-230mcd), I00 (230-350mcd).

4. Nazarin Lafiyar Aiki

Takardar bayanai tana ba da wasu layukan siffofi don taimaka wa masu zane su fahimci halayen na'urar.

4.1 Wutar Gaba da Halin Yanzu na Gaba (Layin IV)

Layin IV yana nuna alaƙar juzu'i ta al'ada. A 20mA, wutar gaba tana kusan 2.0V ga lemu da 3.0V ga shudi. Layin yana da tsauri, yana jaddada buƙatar daidaita halin yanzu maimakon tuki da wutar lantarki.

4.2 Ƙarfin Haske da Halin Yanzu na Gaba

Ƙarfin haske yana ƙaruwa kusan daidai da halin yanzu na gaba har zuwa 20mA. Bayan wannan, inganci na iya raguwa saboda zafi. Yin aiki da ƙayyadadden halin yanzu yana tabbatar da ingantaccen fitowa.

4.3 Tasirin Zafi a kan Ƙarfin Haske da Halin Yanzu na Gaba

A yanayin zafi mafi girma (har zuwa 100°C), ƙarfin haske yana raguwa da kusan 10-15%. Ana buƙatar rage halin yanzu na gaba da aka yarda yayin da zafin pin ya tashi sama da 25°C.

4.4 Canjin Tsawon Igiyar Ruwa da Halin Yanzu na Gaba

Tsawon igiyar ruwa yana canzawa kadan tare da halin yanzu: ga lemu, tsawon yana ƙaruwa ~1nm daga 0 zuwa 30mA; ga shudi, tsawon yana ƙaruwa ~2nm a kan wannan kewayo. Wannan tasirin ya kamata a yi la'akari da shi a aikace-aikace masu ƙula da launi.

4.5 Rarraba Rana

Rarraba rana yana nuna kololuwa biyu daban a ~465nm (shudi) da ~620nm (lemu) tare da faɗin rabin mai kunkuntar. Babu wani muhimmin haske na biyu da ke nan.

4.6 Tsarin Rana

Tsarin rana yana da daidaituwa tare da kusurwar rabin ƙarfi na 140°. Rarraba ƙarfi yana kama da Lambertian, yana ba da ɗaukar hoto daidai a kusa da faɗin kusurwa.

5. Bayanin Injiniya da Marufi

5.1 Girman Fakiti

Jikin LED yana auna 3.20mm (tsawo) x 1.00mm (faɗi) x 1.48mm (tsayi). Kallon kasa yana nuna alamar polarity (cathode) don daidai shugabanci. Ana samar da padin walda huɗu: biyu don anode/cathode na kowane guntu. Tsarin walda da aka ba da shawarar ya haɗa da hanyoyi 0.35mm faɗi tare da tazarar 2.00mm.

5.2 Tepe na ɗaukar hoto da Reel

LEDs an shirya su a cikin tepe na ɗaukar hoto mai faɗi 8.00mm, tazara 4.00mm. Kowane reel yana ƙunshe da guda 3000. Girman reel: diamita na waje 178mm, diamita na cibiya 60mm, faɗin ratar cibiya 13mm. Hanyar ciyar da tepe an yi alama.

5.3 Gano Polarity

Alamar polarity a kasa tana nuna cathode / anode na kowa? A cewar kallon kasa, pin 1 shine anode na lemu, pin 2 shine cathode na lemu / anode na shudi? A zahiri zane ya nuna pins masu alamar O (lemu) da B (shudi). Haɗin daki-daki: LED yana da guntu daban; kowane guntu yana da anodes da cathodes dinsa. Masu zane dole ne su koma ga zane na pinout don guje wa juyar da baya.

6. Jagorar Walda da Hadawa

6.1 Bayanin Walda na Reflow

Bayanin reflow da aka ba da shawarar: Yankin preheating daga 150°C zuwa 200°C na tsawon daƙiƙa 60-120, yawan hawan ≤3°C/s. Lokaci sama da 217°C (liquidus) ya kamata ya kasance daƙiƙa 60-150. Zafin kololuwa 260°C max, lokacin riƙe ≤10 daƙiƙa. Yawan sanyaya ≤6°C/s. Kada a wuce sake zagayawa biyu na reflow. Idan fiye da awa 24 tsakanin zagayawa, ana buƙatar gasa.

6.2 Walda da Hannu

Idan walda da hannu ta zama dole, yi amfani da zafin iron ≤300°C na kasa da daƙiƙa 3 a kowace haɗi. An yarda da taɓa ɗaya kawai. Guje wa sanya damuwa na injiniya yayin dumama.

6.3 Tsaftacewa

Yi amfani da isopropyl alcohol a matsayin sauran tsaftacewa. Ba a ba da shawarar tsaftacewa ta ultrasonic ba saboda yana iya lalata LED. Tabbatar cewa sauran bai kai ga rufin silicone ba.

6.4 Yanayin Adanawa

Kafin buɗewa: adana a ≤30°C da ≤75% RH har zuwa shekara ɗaya. Bayan buɗewa: yi amfani da shi cikin awa 24 a ≤30°C, ≤60% RH. Idan ake zargin shayar da danshi, gasa a 60±5°C na tsawon awanni ≥24.

7. Bayanin Marufi da Oda

Marufi na yau da kullun: LEDs 3000 a kowace reel a cikin tepe mai hana wutar lantarki, an rufe su a cikin jakar da ke hana danshi tare da mai bushewa, sannan a shirya su a cikin akwati na kwali. Lakabin ya haɗa da lambar sashi, lambar spec, lambar lot, lambar bin (VF, tsawon igiyar ruwa, ƙarfi), yawa, da lambar kwanan wata. Ana yin oda bisa ga adadin cikakken reel da takamaiman lambobin bin.

8. Shawarwarin Aikace-aikace

Amfani na yau da kullun: alamun matsayi (misali, lemu don gargaɗi, shudi don wutar), hasken baya mai launi biyu, alamun nuni. La'akari da zane: Koyaushe yi amfani da masu iyakance halin yanzu; lissafta darajar resistor bisa ga wutar lantarki da kuma bin VF. Samar da isasshen zubar da zafi idan zafin muhalli ya wuce 50°C ko kuma idan LEDs da yawa sun cika sosai. Don jerin/ daidaitattun tsararraki, daidaita bins VF don tabbatar da raba halin yanzu daidai.

9. Kwatancen Fasaha da LEDs Mai Launi Daya

Wannan LED mai launi biyu yana maye gurbin LEDs guda biyu daban, yana ceton sarari PCB da kudin hadawa. Guntu masu zaman kansu suna ba da cikakken iko na kowane launi daban, yana ba da damar tsarin nuni mai rikitarwa. Duk da haka, juriyar zafi ta fi girma idan aka kwatanta da fakitin guntu daya (450°C/W vs yawanci 200-300°C/W), don haka zane na zafi yana buƙatar ƙarin kulawa.

10. Tambayoyin da Aka Yi Yawanci (FAQ)

Tambaya: Zan iya tuka launuka biyu a lokaci guda?Ee, amma jimlar ƙarfi ba dole ta wuce iyakar iyaka na kowane guntu ba. Tabbatar cewa jimlar halin yanzu bai haifar da tashin zafi gabaɗaya sama da 85°C junction ba.

Tambaya: Ta yaya zan tabbatar da haske iri ɗaya a cikin LEDs da yawa?Yi oda LEDs daga bin ƙarfi iri ɗaya (misali, H00 ga shudi). Yi amfani da halin yanzu mai dacewa (misali 20mA) kuma tabbatar da zafi daidai.

Tambaya: Menene hankalin ESD?HBM 1000V Class 1C. Yi amfani da matakan kariyar ESD na yau da kullun yayin mu'amala da haɗawa.

11. Misalin Aikace-aikace na Aiki

A cikin maɓallin hanyar sadarwa, ana amfani da LEDs masu launi biyu don nuna matsayin haɗi: lemu mai tsayi don 100Mbps, shudi mai tsayi don 1Gbps, da lemu mai kyalkyali don aiki. Ƙaramin girman 3.2x1.0mm yana ba da damar hawa a kan gaban fuska tare da tazarar 2.54mm. Faɗin kusurwar gani na 140° yana tabbatar da ganuwa daga kowane bangare.

12. Gabatarwar Ka'ida

Guntu shudi yawanci InGaN (indium gallium nitride) ne yana haskaka kusan 465nm. Guntu lemu yawanci AlInGaP (aluminum indium gallium phosphide) ne yana haskaka kusan 620nm. Duka suna kan wani substrate na kowa tare da wayoyi daban. Rufin yana amfani da silicone bayyananne don kiyaye babban ingancin cire haske da kuma tsayayya da rawaya.

13. Hanyoyi Ci Gaba

Hanyar ci gaba a cikin LEDs masu launi biyu ita ce zuwa ga ingantaccen haske (har zuwa 200 lm/W ga monochrome) da ƙaramin girman fakiti (misali, 2.5x0.5mm). Haɗawa da direbobi masu wayo da adreshi (kamar WS2812) shima ya zama ruwan dare. Wannan samfurin yana dacewa da motsin masana'antu zuwa ƙarami da ayyuka da yawa.