Takardar Bayani na Fasaha na SMD LED 15-21/GHC-XS1T1/2T - Girman 1.6x0.8x0.6mm - Ƙarfin Wutar Lantarki 3.3V - Launi Kori Mai Haske - Takardar Fasaha ta Turanci

1. Bayyani Game da Samfur

15-21/GHC-XS1T1/2T na'urar LED ce mai haɗawa da saman (SMD) wacce aka ƙera don aikace-aikace masu yawa da ƙanƙanta. Tana da launin kori mai haske wanda ke fitowa daga guntu na InGaN da aka ɗaure a cikin kunshin resin mai tsabta kamar ruwa. Wannan ɓangaren ya fi ƙanƙanta sosai idan aka kwatanta da LED na gargajiya na tsarin gubar, yana ba da damar ƙirar allon da ya fi dacewa, yawan tattarawa mafi girma, da rage girman kayan aiki gabaɗaya. Ginin sa mai sauƙi ya sa ya dace sosai don na'urori masu ƙarancin sarari da na hannu.

Fa'idodi mafi mahimmanci sun haɗa da dacewa da daidaitattun kayan aikin sanyawa ta atomatik da hanyoyin siyar da reflow (dukansu infrared da lokacin tururi). Ana kera samfurin don zama marar gubar (Pb-free), ya bi ka'idojin EU RoHS da REACH, kuma ya cika buƙatun maras halogen (Br <900 ppm, Cl <900 ppm, Br+Cl < 1500 ppm).

2. Zurfin Bincike na Ƙayyadaddun Fasaha

2.1 Matsakaicin Matsakaicin Ƙimar

Ba za a iya amfani da na'urar fiye da waɗannan iyakokin ba don hana lalacewa na dindindin. Matsakaicin ƙarfin lantarki na baya (VR) shine 5V. Matsakaicin ƙimar halin yanzu na gaba (IF) shine 25 mA, tare da matsakaicin halin yanzu na gaba (IFP) na 100 mA wanda aka halatta a ƙarƙashin yanayin bugun jini (duty cycle 1/10 @ 1kHz). Matsakaicin ɓarnawar wutar lantarki (Pd) shine 95 mW. Na'urar na iya jure watsawar lantarki mai tsauri (ESD) na 150V bisa ga Tsarin Jikin Mutum (HBM). Kewayon zafin aiki (Topr) daga -40°C zuwa +85°C ne, yayin da zafin ajiya (Tstg) ya faɗaɗa daga -40°C zuwa +90°C. An ayyana iyakokin zafin siyarwa don reflow (260°C matsakaicin na dakika 10) da siyar da hannu (350°C matsakaicin na dakika 3).

2.2 Halayen Lantarki da Na'urar Gani

An auna a daidaitaccen yanayin gwaji na Ta=25°C da IF=20mA, na'urar tana nuna ƙarfin haske (Iv) wanda ya kai daga mafi ƙarancin 180.0 mcd zuwa matsakaicin 360.0 mcd. Matsakaicin kusurwar kallo (2θ1/2) shine digiri 130, yana ba da tsarin fitarwa mai faɗi. Halayen bakan sun haɗa da matsakaicin tsayin raƙuman ruwa (λp) na 518 nm da kewayon tsayin raƙuman ruwa (λd) daga 515.0 nm zuwa 530.0 nm, wanda ke ayyana launinsa na kori mai haske. Matsakaicin faɗin bakan (Δλ) shine 35 nm. Ƙarfin wutar lantarki na gaba (VF) yawanci yana auna 3.3V, tare da kewayon daga 2.70V zuwa 3.70V. Matsakaicin halin yanzu na baya (IR) shine 50 μA lokacin da aka yi amfani da ƙarfin lantarki na baya (VR) na 5V. Lura cewa ba a ƙera na'urar don aiki a ƙarƙashin ƙarancin lantarki ba; ƙimar VR don gwajin IR ne kawai.

3. Bayanin Tsarin Binning

Ana rarraba LED ɗin zuwa kwandon shara bisa ga mahimman ma'auni na aiki don tabbatar da daidaito a cikin ƙirar aikace-aikace.

3.1 Binning na Ƙarfin Haske

A ƙarƙashin yanayin IF=20mA, an rarraba ƙarfin haske zuwa kwandon shara guda uku: S1 (180.0 - 225.0 mcd), S2 (225.0 - 285.0 mcd), da T1 (285.0 - 360.0 mcd). Ana amfani da juzu'i na ±11% akan ƙarfin haske.

3.2 Binning na Tsayin Raƙuman Ruwa Mai Rinjaye

Hakanan an auna a IF=20mA, an rarraba tsayin raƙuman ruwa mai rinjaye kamar haka: W (515.0 - 520.0 nm), X (520.0 - 525.0 nm), da Y (525.0 - 530.0 nm). Ana amfani da juzu'i na ±1nm akan tsayin raƙuman ruwa mai rinjaye.

4. Bincike akan Lankwasa Aiki

Takardar bayani ta haɗa da lankwasan halayen lantarki da na'urar gani na yau da kullun. Waɗannan jadawalin suna wakiltar alaƙar da ke tsakanin halin yanzu na gaba da ƙarfin haske, tasirin zafin yanayi akan ƙarfin haske, ƙarfin wutar lantarki na gaba da halin yanzu na gaba, da rarraba ƙarfin bakan. Binciken waɗannan lankwasan yana da mahimmanci don fahimtar halayen na'urar a ƙarƙashin yanayin da ba daidai ba, kamar halin yanzu na tuƙi daban-daban ko yanayin zafi na aiki, wanda ke da mahimmanci don ƙirar da'ira mai ƙarfi da sarrafa zafi.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin

LED ɗin yana da ƙaramin kunshin SMD. Girman sa shine 1.6mm tsawon, 0.8mm faɗi, da 0.6mm tsayi, tare da matsakaicin juzu'i na ±0.1mm sai dai idan an faɗi akasin haka. Zanen fasaha yana ba da cikakkun ma'auni don matsayin jagora, siffar ruwan tabarau, da gabaɗayan sawun ƙafa. An nuna alamar cathode a sarari akan kunshin don daidaitaccen alkiblar polarity yayin haɗawa.

5.2 Kunshin Reel da Tepe

Ana samar da abubuwan a cikin kunshin da ba ya shan ruwa. An sanya su a cikin tepe mai ɗaukar kaya mai faɗin 8mm, wanda aka nannade akan reel mai diamita 7-inch. Kowace reel tana ƙunshe da guda 2000. An ba da cikakkun zane-zane na girma don aljihun tepe mai ɗaukar kaya da reel ɗin, yana tabbatar da dacewa da injinan ɗauka da sanyawa ta atomatik. Kunshin ya haɗa da abin bushewa kuma an rufe shi a cikin jakar kariya daga danshi na aluminum don kare LED daga danshin yanayi yayin ajiya da sufuri.

6. Jagororin Siyarwa da Haɗawa

6.1 Ajiya da Sarrafawa

Dole ne a adana na'urori masu hankali ga danshi a cikin jakunkunansu na kariya daga danshi waɗanda ba a buɗe ba. Da zarar an buɗe, yakamata a yi amfani da LED ɗin cikin sa'o'i 168 (7 kwanaki) idan an ajiye su a cikin yanayi na 30°C ko ƙasa da haka da danshi na kashi 60 ko ƙasa da haka. LED ɗin da ba a yi amfani da su ba yakamata a sake rufe su tare da abin bushewa. Idan lokacin ajiya ya wuce ko alamar abin bushewa ta canza launi, ana buƙatar maganin gasa a 60 ±5°C na awanni 24 kafin amfani.

6.2 Tsarin Siyarwa

Don siyar da reflow marar gubar, dole ne a bi takamaiman bayanin martaba na zafin jiki: dumama kafin a 150-200°C na dakika 60-120, lokacin da ya wuce ruwa (217°C) na dakika 60-150, tare da matsakaicin zafin jiki wanda bai wuce 260°C ba na matsakaicin dakika 10. Matsakaicin ƙimar haɓaka sama da 255°C shine 3°C/sec, kuma matsakaicin ƙimar sanyaya shine 6°C/sec. Ba za a yi siyar da reflow fiye da sau biyu ba. Yayin siyar da hannu, dole ne zafin ƙarshen ƙarfe ya kasance ƙasa da 350°C, ana amfani da shi ba fiye da dakika 3 ba a kowace tasha, tare da ƙimar wutar lantarki na gwangwani ƙarƙashin 25W. Yakamata a bar tazara mafi ƙanƙanta na dakika 2 tsakanin siyar da kowace tasha. Dole ne a guji matsin lamba akan jikin LED yayin dumama da karkatar da PCB bayan siyarwa. Ba a ba da shawarar gyara bayan siyarwa ta farko ba, amma idan ba za a iya gujewa ba, yakamata a yi amfani da gwangwani mai kai biyu don dumama tashoshi biyu lokaci guda, kuma dole ne a tabbatar da tasirin akan halayen na'urar a baya.

7. Bayanin Kunshin da Oda

Lambar da ke kan reel tana ba da mahimman bayani don gano asali da daidaitaccen aikace-aikace: Lambar Samfur na Abokin Ciniki (CPN), Lambar Samfur (P/N), Adadin Tattarawa (QTY), Matsayin Ƙarfin Haske (CAT), Daidaitawar Launi & Matsayin Tsayin Raƙuman Ruwa Mai Rinjaye (HUE), Matsayin Ƙarfin Wutar Lantarki na Gaba (REF), da Lambar Lot (LOT No). Wannan bayanan binning yana ba masu ƙira damar zaɓar abubuwan da aka sarrafa sosai don bukatun aikace-aikacensu na musamman.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan LED ya dace sosai don aikace-aikacen hasken baya a cikin dashboard na mota da maɓalli. A cikin sadarwa, yana aiki azaman alama ko hasken baya don wayoyi da injunan faks. Hakanan yana da kyau don hasken baya na LCD, maɓalli, da alamomi, tare da amfani da alamar gama gari.

8.2 Abubuwan da ake la'akari da Ƙira

Resistor mai iyakance halin yanzu ya zama dole a jere tare da LED. Ƙarfin wutar lantarki na gaba yana da kewayon (2.7V zuwa 3.7V), kuma ƙarfin haske ya dogara da halin yanzu. Saboda haka, dole ne a ƙididdige ƙimar resistor bisa ga ƙarfin wutar lantarki da halin yanzu na gaba da ake so, la'akari da mafi munin VF don tabbatar da cewa halin yanzu bai taɓa wuce matsakaicin matsakaicin ƙimar 25mA ba. Ƙananan canje-canjen ƙarfin lantarki na iya haifar da manyan canje-canjen halin yanzu, wanda zai iya haifar da ƙonewa. Ba a yi niyya don aikace-aikacen amintacce kamar soja/sararin samaniya, tsarin aminci/tsaro na mota, ko kayan aikin likita ba tare da tuntuɓar farko da cancanta ba.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da manyan LED na rami, babbar fa'idar wannan ɓangaren SMD ita ce ƙaramin sawunta da tsayinta, yana ba da damar ƙira masu ƙarancin girman gaske. Faɗin kusurwar kallo na digiri 130 yana da amfani ga aikace-aikacen da ke buƙatar haske mai faɗi ko ganuwa. Amfani da fasahar InGaN yana ba da launin kori mai cikakken cikawa da haske. Dacewarsa da daidaitattun bayanan martaba na reflow marar gubar ya yi daidai da ayyukan masana'antu na zamani, masu kula da muhalli. Cikakken tsarin binning yana ba masu ƙira matakin sarrafa mafi girma akan daidaiton launi da haske a cikin samfuran ƙarshensu idan aka kwatanta da madadin da ba a binne su ba ko kuma an binne su a hankali.

10. Tambayoyin da ake yawan yi (FAQ)

Q: Menene manufar lambobin binning (S1, T1, W, X, da sauransu)?

A: Binning yana tabbatar da daidaiton ma'auni na lantarki da na gani. Masu ƙira na iya ƙayyade lambar kwandon shara don tabbatar da cewa LED daga nau'ikan samarwa daban-daban sun cika daidaitattun ƙayyadaddun mafi ƙarancin haske (lambar CAT) da launi (lambar HUE), wanda ke da mahimmanci ga aikace-aikace kamar jerin hasken baya na LED da yawa inda daidaito ke da mahimmanci.

Q: Me ya sa ajiya a cikin jakar kariya daga danshi ke da mahimmanci haka?

A: Kunshin SMD na iya sha danshi daga iska. A lokacin babban tsarin siyar da reflow mai zafi, wannan danshin da aka kama zai iya faɗaɗa cikin sauri, yana haifar da rabuwar ciki ko "popcorning," wanda ke fashe kunshin kuma ya lalata LED. Jakar da hanyoyin gasa suna hana wannan yanayin gazawa.

Q: Shin zan iya tuƙi wannan LED ba tare da resistor na jere ba?

A: A'a. LED na'urori ne masu tuƙi na halin yanzu. Ƙarfin wutar lantarki na gaba yana da ƙimar zafin jiki mara kyau kuma ya bambanta daga na'ura zuwa na'ura. Haɗawa kai tsaye zuwa tushen ƙarfin lantarki zai haifar da haɓakar halin yanzu mara sarrafawa kuma mai yuwuwar lalacewa. Resistor na jere shine mafi sauƙin nau'in ƙa'idar halin yanzu.

Q: Ta yaya zan fassara ƙimar "Peak Forward Current"?

A: Matsakaicin ƙimar 100mA a cikin yanayin aiki na 1/10 da mitar 1kHz yana ba da damar ɗigon gajerun lokaci na mafi girman halin yanzu, wanda za'a iya amfani da shi don PWM dimming don cimma matsakaicin haske ƙasa da daidaitaccen halin yanzu na gwaji na 20mA. Matsakaicin halin yanzu akan lokaci dole ne har yanzu ya mutunta ƙimar ci gaba na 25mA.

11. Misalin Aikace-aikace na Aiki

Yi la'akari da ƙirar allon nuna matsayi tare da LED masu launin kori masu haske da yawa. Mai ƙira ya zaɓi kwandon shara na haske T1 da kwandon shara na tsayin raƙuman ruwa X don tabbatar da kamanni iri ɗaya da daidaito. Da'irar tana samun wutar lantarki ta layin dogo na 5V. La'akari da matsakaicin ƙarfin wutar lantarki na gaba (3.7V) da niyyar halin yanzu na gaba na 20mA, an ƙididdige ƙimar resistor na jere da ake buƙata kamar haka R = (Vsupply - VF) / IF = (5V - 3.7V) / 0.020A = 65 Ohms. Za a zaɓi daidaitaccen resistor na 68 Ohm, wanda zai haifar da ƙaramin halin yanzu, kusan 19.1mA, wanda ke da aminci kuma yana cikin ƙayyadaddun bayanai. Tsarin PCB yana sanya LED tare da daidaitaccen daidaitawar polarity zuwa alamar cathode kuma yana ba da isasshen tazara don ɓarkewar zafi. Za a yi wa allon da aka haɗa tsarin siyar da reflow mai sarrafawa yana bin takamaiman bayanin martaba na zafin jiki.

12. Ka'idar Aiki

Wannan LED ya dogara ne akan guntu na semiconductor da aka yi da Indium Gallium Nitride (InGaN). Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba wanda ya wuce ƙofar diode, ana shigar da electrons da ramuka zuwa yankin aiki na semiconductor. Haɗuwarsu yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na InGaN yana ƙayyade ƙarfin bandgap, wanda yake daidai da tsayin raƙuman ruwa (launi) na hasken da aka fitar—a wannan yanayin, kori mai haske. Resin mai tsabta kamar ruwa yana kare guntu kuma yana aiki azaman ruwan tabarau, yana siffanta fitarwar haske don cimma ƙayyadaddun kusurwar kallo na digiri 130.

13. Trends na Fasaha

Trend a cikin SMD LED yana ci gaba zuwa ga ingantaccen inganci (ƙarin fitarwar haske a kowace watt na lantarki), ƙananan girman kunshin don ƙara yawa, da ingantaccen bayyana launi da cikawa. Hakanan ana mai da hankali sosai kan haɓaka amincin aiki da aikin zafi don tallafawa mafi girman halin yanzu na tuƙi a cikin ƙananan wurare. Yaɗuwar amfani da masana'antu marasa gubar da marasa halogen yana nuna sadaukarwar masana'antar lantarki ga dorewar muhalli. Bugu da ƙari, ƙarin binning da ƙarin cikakkun bayanan halayen da aka bayar a cikin takardun bayani suna ƙarfafa masu ƙira don ƙirƙirar ingantattun tsarin gani masu daidaito don ci-gaba aikace-aikace a cikin kayan lantarki na mabukaci, hasken mota, da hasken gabaɗaya.