LED mai Shuɗi PLCC2 3.5x2.8x1.84mm - Ƙarfin Lantarki na Gaba 3.0V - Wutar 102mW - 465-475nm Takardar Bayani

1. Bayanin Samfuri

RF-BNRA30TS-BB wani LED ne mai shuɗi mai ƙarfin gaske wanda aka tsara don aikace-aikace masu buƙata kamar haskakawar cikin mota da maɓallai. Yana amfani da fasahar GaN akan ƙasa don samar da tsayin igiyar ruwa mai girma na 465-475 nm tare da ƙarfin lantarki na gaba na yau da kullun na 3.0 V a 20 mA. Na'urar tana cikin kunshin PLCC2 mai ƙarami wanda yake aunawa 3.50 mm x 2.80 mm x 1.84 mm, yana sa ya dace da haɗawar SMT ta atomatik. Tare da kusurwar kallo mai fadi sosai na digiri 120 da matakin damshi na 2, wannan LED yana ba da sassauƙar ƙira mai kyau. Yana cika cikakkiyar ka'idodin RoHS da REACH kuma ya ci jarrabawar cancanta bisa jagororin AEC-Q101 don na'urorin semiconductor na mota.

2. Binciken Ma'aunin Fasaha

2.1 Halayen Lantarki

A yanayin gwaji na IF = 20 mA da Ts = 25 °C, ƙarfin lantarki na gaba (VF) yana daga 2.8 V (mafi ƙanƙanta) zuwa 3.4 V (mafi girma) tare da ƙimar yau da kullun ta 3.0 V. Matsayin baya (IR) a VR = 5 V yana iyakance zuwa mafi girma na 10 μA. Ƙarfin haske (IV) yana daga 430 mcd (mafi ƙanƙanta) zuwa 800 mcd (mafi girma) a ƙarƙashin yanayin gwaji guda, tare da ƙimar yau da kullun ta 600 mcd. Tsawon igiyar ruwa mai rinjaye (Wd) an kayyade tsakanin 465 nm da 475 nm, tare da ƙimar yau da kullun a 467 nm.

2.2 Matsayin Ƙarfi Mafi Girma

Ba dole ne LED ya wuce waɗannan matsayin ƙarfi mafi girman ba: wutar da ke ɓacewa (PD) 102 mW, ƙarfin gaba (IF) 30 mA, ƙarfin gaba mafi girma (IFP) 100 mA (1/10 duty cycle, 10 ms pulse width), ƙarfin baya (VR) 5 V, fitar da wutar lantarki (ESD) 2000 V (HBM), zafin aiki (TOPR) -40 zuwa +100 °C, zafin ajiya (TSTG) -40 zuwa +100 °C, da zafin haɗuwa (TJ) 120 °C. Ƙetare waɗannan matsayin na iya haifar da lalacewa ta dindindin.

2.3 Halayen Zafi

Juriya na zafi daga haɗuwa zuwa wurin walda (RthJ-S) an kayyade shi a mafi girma na 300 °C/W. Gudanar da zafi yana da mahimmanci don kiyaye zafin haɗuwa ƙasa da 120 °C da tabbatar da amintacce na dogon lokaci.

3. Tsarin Binning

3.1 Bins na Ƙarfin Lantarki na Gaba

A IF = 20 mA, ƙarfin lantarki na gaba an raba shi zuwa bins shida: G1 (2.8-2.9 V), G2 (2.9-3.0 V), H1 (3.0-3.1 V), H2 (3.1-3.2 V), I1 (3.2-3.3 V), I2 (3.3-3.4 V). Wannan binning yana bawa abokan ciniki damar zaɓar LEDs tare da haƙuri na VF mai ƙunci don rarraba ƙarfi daidai a cikin tsarin jeri ko a layi.

3.2 Bins na Ƙarfin Haske

Ƙarfin haske an raba shi zuwa J20 (430-530 mcd), K10 (530-650 mcd), da K20 (650-800 mcd). Wannan yana tabbatar da daidaitaccen haske a aikace-aikace da ke buƙatar fitowar haske daidai.

3.3 Bins na Tsawon Igiyar Ruwa Mai Rinjaye

Tsawon igiyar ruwa mai rinjaye an raba shi zuwa D10 (465-467.5 nm), D20 (467.5-470 nm), E10 (470-472.5 nm), da E20 (472.5-475 nm). Wannan yana ba da iko mai ƙunci kan launi don haskakawar cikin mota inda daidaiton launi yake da mahimmanci.

4. Binciken Ƙirar Aiki

4.1 Ƙarfin Lantarki na Gaba da Ƙarfin Gaba

Kamar yadda aka nuna a Fig. 1-7, ƙarfin gaba yana ƙaruwa da yawa tare da ƙarfin lantarki na gaba. A 3.0 V ƙarfin yana kusan 20 mA; a 3.2 V yana tashi zuwa kimanin 120 mA. Wannan yana nuna buƙatar masu hana ƙarfi ko tuƙi mai tsayayyen ƙarfi.

4.2 Ƙarfin Dangi da Ƙarfin Gaba

Fig. 1-8 yana nuna cewa ƙarfin haske na dangi yana ƙaruwa kusan daidai da ƙarfin gaba har zuwa 30 mA. A 20 mA ƙarfin dangi yana kusan 80%, kuma a 30 mA yana kaiwa kusan 100%.

4.3 Zafin Walda da Ƙarfin Haske da Ƙarfin Gaba

Figs. 1-9 da 1-10 sun nuna cewa yayin da zafin walda ya tashi daga 25 °C zuwa 100 °C, ƙarfin haske na dangi yana faɗuwa zuwa kusan 85% na ƙimarsa a 25 °C, kuma mafi girman ƙarfin gaba da aka yarda yana raguwa daga 30 mA zuwa kimanin 10 mA. Ragewar zafi yana da mahimmanci don aiki mai aminci a yanayin zafi sama.

4.4 Ƙarfin Lantarki na Gaba da Zafin Walda

Daga Fig. 1-11, ƙarfin lantarki na gaba yana raguwa daidai da ƙaruwar zafi a ƙimar kusan -2 mV/°C. Wannan ƙimar zafi mara kyau dole ne a yi la'akari da shi a cikin ƙira ta mai sauya wuta.

4.5 Tsarin Hasken

Zanen hasken (Fig. 1-12) yana nuna rarraba kamar lambertian tare da kusurwar rabin ƙarfi na kimanin digiri 120, yana tabbatar da halayen kusurwar kallo mai fadi.

4.6 Bakan da Tsawon Igiyar Ruwa da Ƙarfi

Fig. 1-13 yana nuna cewa tsawon igiyar ruwa mai rinjaye yana canjawa kaɗan (a cikin ±3 nm) yayin da ƙarfin gaba ya bambanta daga 0 zuwa 80 mA. Bakan (Fig. 1-14) wani kunkuntar kololuwa ne wanda ya kewaye 467 nm tare da cikakken faɗi a rabin tsayi na kimanin 25 nm, wanda yake hali na LEDs masu shuɗi na InGaN.

5. Bayanin Injiniya da Marufi

5.1 Girman Kunshin

Kunshin LED yana auna 3.50 mm x 2.80 mm x 1.84 mm (tsawo x faɗi x tsayi). Duban sama yana nuna yanki mai fitar da haske mai rectangular na kimanin 2.40 mm x 2.18 mm. Duban ƙasa yana nuna filaye biyu na walda tare da alamar polarity: filin anode ya fi girma (2.0 mm x 1.25 mm) kuma filin cathode ya fi ƙanƙanta (0.75 mm x 1.25 mm). An bayar da filayen walda da aka ba da shawarar (Fig. 1-5) tare da nisa na 4.45 mm tsakanin cibiyoyin filaye don tabbatar da ingantaccen haɗin walda. Duk girma suna cikin millimeters tare da haƙuri na ±0.2 mm sai dai in an faɗi.

5.2 Polarity da Kulawa

LED yana da alamar polarity bayyananne (ƙaramin digo ko tsagi a kan kunshin) wanda ke nuna gefen cathode. Ya kamata a kula don daidaita alamar polarity tare da silkscreen na PCB. Silicone encapsulant yana da laushi; ka guji yin matsi kai tsaye a kan ruwan tabarau yayin kulawa ko ayyukan ɗauka da sanyawa.

6. Jagororin Walda da Haɗuwa

6.1 Bayanin Walda ta Reflow

Tsarin walda ta reflow da aka ba da shawara yana biɗan ka'idodin JEDEC: preheat daga 150 °C zuwa 200 °C na daƙiƙa 60-120, tashi zuwa 217 °C tare da mafi girman gangare na 3 °C/s, ci gaba a sama da 217 °C na ba fiye da daƙiƙa 60 ba, zafin kololuwa 260 °C har zuwa daƙiƙa 10 (tare da mafi girma na daƙiƙa 30 a cikin 5 °C na kololuwa), da saukarwa a ƙimar da ba ta wuce 6 °C/s ba. Jimlar lokaci daga 25 °C zuwa kololuwa ya kamata ya zama ƙasa da mintuna 8. Kada a sake walda fiye da sau biyu, kuma idan fiye da sa'o'i 24 suka shuɗe tsakanin walda, dole ne a gasa LEDs kafin a sake amfani dasu.

6.2 Walda da Hannu

Don walda da hannu, yi amfani da ƙarfen walda da aka saita ƙasa da 300 °C kuma gama haɗin a cikin ƙasa da daƙiƙa 3. An yarda da aikin walda da hannu ɗaya kawai ga kowane LED.

6.3 Ajiya da Gasa

Buɗaɗɗen jaka na kariya daga damshi ya kamata a adana su a ≤30 °C da ≤75% damshi na dangi, a yi amfani da su a cikin shekara ɗaya daga ranar rufe. Bayan buɗewa, yi amfani da shi a cikin sa'o'i 24 a ƙarƙashin ≤30 °C da ≤60% RH. Idan yanayin ajiya ya wuce ko alamar nuna bushewa ta canza launi, gasa LEDs a 60±5 °C na ≥ sa'o'i 24 kafin amfani.

7. Bayanin Marufi da Oda

7.1 Tef na Jigilar Kaya da Reel

LEDs ana samar dasu a cikin marufi na tef-da-reel tare da guda 2000 a kowane reel. Tef na jigilar kaya yana da faɗi na 8.0 mm, tare da nisa na 4.0 mm (hali don PLCC2). Diamita na reel shine 178 mm, diamita na hub 60 mm, da diamita na core 13.0 mm. Tef yana da murfin da aka ɗora zafi a saman.

7.2 Bayanin Lakabin

Kowane reel yana ɗauke da lakabi mai: Lambar Sashe (PART NO.), Lambar Bayani (SPEC NO.), Lambar Kuri'a (LOT NO.), Lambar Bin (BIN CODE), Haske (Ф), Bin Launi (XY), Ƙarfin Lantarki na Gaba (VF), Tsawon Igiyar Ruwa (WLD), Adadi (QTY), da Ranar Ƙera (DATE). Lambar bin tana da mahimmanci don yin oda na takamaiman haɗe-haɗe na VF/IV/Wd.

7.3 Jakar Kariya daga Damshi da Akwati

Reels an rufe su a cikin jakar kariya daga damshi tare da bushewa da katin nuna damshi. Sannan an saka jakar a cikin akwatunan kwali don jigilar kaya. Akwati na waje yana ɗauke da gargadi na kulawa kamar "Hankali: Ka kiyaye matakan kariya don abubuwan da ke damuwa da wutar lantarki."

8. Shawarwarin Aikace-aikace

8.1 Aikace-aikace na Yau da Kullun

Wannan LED mai shuɗi yana da kyau don haskakawar cikin mota kamar haskaka dashboard, haske na yanayi, da alamar maɓalli. Hakanan ana iya amfani da shi a alamomin matsayi, haske na baya, da alamar gabaɗaya inda ake buƙatar tushen haske mai shuɗi mai kunkuntar bakan.

8.2 Abubuwan La'akari na Ƙira

• Koyaushe haɗa da mai hana ƙarfi ko yi amfani da tuƙi mai tsayayyen ƙarfi don hana wuce gona da ƙarfi saboda bambancin VF.
• Ka kiyaye zafin haɗuwa ƙasa da 120 °C ta hanyar samar da isasshen sanyaya ko ta rage ƙarfin gaba a yanayin zafi sama.
• A cikin jeri/jerun layi, tabbatar da kowane LED ya sami ƙarfi kusan daidai ta hanyar daidaita bins na VF ko amfani da tushen ƙarfi na ɗaiɗaiku.
• Ka guji fallasa ga mahadi masu ɗauke da sulfur sama da 100 ppm, bromine sama da 900 ppm, chlorine sama da 900 ppm, ko jimlar halogens sama da 1500 ppm a cikin yanayi ko kayan da ke kewaye.
• Ka rage mafi ƙanƙanta da mahadi masu canzawa (VOCs) daga manne, sealants, ko robobi da ke kusa don hana canza launin silicone da raguwar fitowar haske.
• Ka samar da matakan kariya daga ESD (misali, wuraren aiki da aka ƙasa, ionizers) saboda LED yana da hankali ga fitar da wutar lantarki (ƙofar ESD 2 kV HBM).

9. Kwatanta Fasaha

Idan aka kwatanta da LEDs na PLCC2 na yau da kullun, RF-BNRA30TS-BB yana ba da kusurwar kallo mai fadi (120° vs. 90° na yau da kullun) da kunkuntar binning na tsawon igiyar ruwa (har zuwa matakan 2.5 nm). Cancantar sa ta AEC-Q101 ta sa ya dace da yanayin damuwa na mota (zagayen zafi, damshi mai yawa, da sauransu) waɗanda sassan mai amfani na iya rayuwa. Juriya na zafi na 300 °C/W yana hali ga wannan kunshin amma yana buƙatar kulawar zafi a aikace-aikace masu ƙarfi.

10. Tambayoyi da Aka Yi Yawa

10.1 Zan iya amfani da wannan LED a 30 mA akai-akai?

Ee, mafi girman ƙarfin gaba shine 30 mA. Duk da haka, a wannan ƙarfin zafin haɗuwa na iya tashi sosai dangane da yanayin zafi. An ba da shawarar ragewa a yanayin zafi sama kamar yadda aka nuna a ƙirar ragewa. Don amintacce na dogon lokaci, aiki a 20-25 mA ya fi dacewa.

10.2 Menene yawan haske a 20 mA?

Yawan ƙarfin haske shine 600 mcd a IF=20 mA. Dangane da bin, zai iya daga 430 zuwa 800 mcd.

10.3 Ta yaya zan tsaftace LED bayan walda?

Yi amfani da isopropyl alcohol azaman mai tsaftacewa. Ka guji tsaftacewa da ultrasonic saboda na iya lalata LED. Tabbatar cewa duk wani mai tsaftacewa baya kai hari ga silicone encapsulant.

11. Misalin Aikace-aikace

Ka yi la'akari da tsiri na haske na yanayi na cikin mota wanda ya ƙunshi LEDs 20 a jere. Kowane LED yana da VF na yau da kullun na 3.0 V a 20 mA. Idan muka ɗauka tsarin lantarki na mota na 14 V, faɗuwar ƙarfin lantarki na jeri shine 60 V, wanda ya wuce wutar. Maimakon haka, tsarin layi tare da masu hana ƙarfi na ɗaiɗaiku ya fi dacewa. Don LED ɗaya, mai hana ƙarfi na (14 V – 3.0 V) / 0.02 A = 550 Ω (yi amfani da ƙimar misali 560 Ω) zai iyakance ƙarfi zuwa kimanin 19.6 mA. Idan ana amfani da LEDs da yawa, kowane ya kamata ya sami mai hana ƙarfi na kansa don hana ɗaukar ƙarfi saboda bambance-bambancen bin na VF.

12. Ka'idar Aiki

LED mai shuɗi yana dogara ne akan Gallium Nitride (GaN) wanda aka girma epitaxially akan sapphire ko substrate na silicon. Lokacin da aka ɗora ƙarfin gaba, electrons da holes suna sake haɗuwa a cikin yankin rijiyar adadi, suna fitar da photons tare da makamashi daidai da bandgap na kayan InGaN. Tsawon igiyar ruwa mai rinjaye ana sarrafa shi ta hanyar haɗin indium. Fitowar haske ana fitar da ita ta hanyar kunshin mai bayyana da ruwan tabarau na silicone, wanda kuma ke tsara tsarin hasken.

13. Hanyoyin Ci Gaba

LEDs masu shuɗi suna ci gaba da haɓaka zuwa mafi inganci (lm/W) da kwanciyar hankali mafi kyau na launi a kan zafi da tsawon rayuwa. Masana'antar mota tana buƙatar matsayin amintacce mafi girma kamar AEC-Q102, kuma nau'ikan wannan samfur na gaba na iya haɗa da kyakkyawan sarrafa zafi da faffadan kewayon zafin aiki. Ragewa (misali, kunshin 2835 ya kasance mai shahara) da haɗawa da iko mai hankali (misali, haske na matrix) sune hanyoyi masu gudana.