Takardun Bayani na LED LTS-4817CKG-P - Tsawon Lamba 0.39-inch - Kore AlInGaP - Ƙarfin Wutar Gaba 2.6V - Rage Wutar Lantarki 70mW - Takardun Fasaha na Turanci

1. Bayyani Game da Samfur

LTS-4817CKG-P na'urar da aka tsara don haɗawa da saman (SMD) ce wacce aka tsara don nunin lantarki da ke buƙatar lamba guda. Ana siffanta ta da ƙaramin girmanta da ingantaccen fitar da haske, wanda ya sa ta dace da haɗawa cikin samfuran lantarki daban-daban inda sarari da amfani da wutar lantarki suke da muhimmanci.

1.1 Siffofi na Asali da Kasuwar da Ake Nufi

Wannan na'urar nunin tana da tsayin lamba 0.39 inches (10.0 mm), tana ba da ingantaccen karantawa a cikin ƙaramin tsari. Muhimman fa'idodinta sun haɗa da ƙarancin buƙatar wutar lantarki, haske mai ƙarfi, kyakkyawan bayyanar haruffa tare da sassa masu daidaito, da faɗin kusurwar kallo. Na'urar tana amfani da fasahar LED ta AlInGaP mai ƙarfi akan substrate na GaAs, wanda ke taimakawa wajen amincinta da aiki. An rarrabe ta don ƙarfin haske kuma ana samar da ita a cikin kunshin da ba shi da gubar wanda ya dace da umarnin RoHS. Manyan aikace-aikacen da ake nufi sun haɗa da na'urorin lantarki na masu amfani, allunan kayan aikin ma'auni, sarrafa masana'antu, da na'urorin gida inda ake buƙatar bayyanar lambobi masu haske, amintattu.

1.2 Gano Na'urar

Lambar sashi LTS-4817CKG-P tana ƙayyadad da na'urar da ke da guntu na LED kore AlInGaP a cikin tsarin anode gama gari, tare da maki goma na hannun dama. Wannan tsarin suna yana taimakawa wajen gano da oda daidai.

2. Ma'auni na Fasaha: Cikakken Fassarar Manufa

2.1 Matsakaicin Matsakaicin Ƙimar

A yanayin zafin muhalli (Ta) na 25°C, na'urar tana da iyakoki da aka ayyana don tabbatar da aiki mai aminci. Matsakaicin rage wutar lantarki a kowane sashi shine 70 mW. Matsakaicin halin yanzu na gaba a kowane sashi an ƙididdige shi a 60 mA, amma wannan yana yiwuwa ne kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun 0.1ms). Ci gaba da halin yanzu na gaba a kowane sashi shine 25 mA a 25°C, tare da ƙimar ragewa na 0.28 mA/°C yayin da zafin jiki ya ƙaru. Yankin zafin aiki da ajiya an ƙayyade daga -35°C zuwa +105°C. Na'urar na iya jure wa gishiri na ƙarfe a 260°C na tsawon dakika 3, wanda aka auna 1/16 inch ƙasa da matakin wurin zama.

2.2 Halayen Lantarki da na Gani

An auna a Ta=25°C, matsakaicin matsakaicin ƙarfin haske a kowane sashi shine 500 µcd a halin yanzu na gaba (IF) na 1mA, kuma yana iya kaiwa 5500 µcd a IF=10mA. Matsakaicin tsayin tsayin fitarwa (λp) yawanci 571 nm ne, tare da rabin faɗin layin gani (Δλ) na 15 nm da tsayin tsayin rinjaye (λd) na 572 nm, duk an auna su a IF=20mA. Ƙarfin wutar lantarki na gaba (VF) a kowane guntu yana daga 2.05V zuwa 2.6V a IF=20mA. Juyin halin yanzu (IR) matsakaici ne na 100 µA a juyin wutar lantarki (VR) na 5V, ko da yake wannan yanayin na gwaji ne kawai ba don ci gaba da aiki ba. Matsakaicin ƙarfin haske tsakanin sassa a cikin yanki mai haske iri ɗaya shine 2:1 matsakaici a IF=1mA. An ƙayyade magana tsakanin sassa don zama ≤ 2.5%.

3. Bayanin Tsarin Rarrabawa

Takardun bayani tana nuna cewa an rarraba samfurin don ƙarfin haske. Wannan yana nuna tsarin rarrabawa inda ake rarraba na'urori bisa ga ƙimar fitar da haske da aka auna a daidaitaccen gwajin gwaji (mai yiwuwa 1mA ko 10mA kamar yadda aka bayyana a cikin teburin halaye). Wannan yana tabbatar da daidaiton haske a cikin sassa ɗaya a cikin na'ura guda ɗaya da tsakanin nau'ikan samarwa daban-daban, wanda yake da mahimmanci don cimma daidaiton bayyanar nuni.

4. Bincike na Lanƙwasa Aiki

Takardun bayani tana nuni zuwa lanƙwasa halaye na lantarki/na gani na yau da kullun. Duk da yake ba a cikakken bayanin zane-zanen da aka bayar a cikin rubutun ba, irin waɗannan lanƙwasa yawanci suna kwatanta alaƙa tsakanin halin yanzu na gaba (IF) da ƙarfin haske (IV), ƙarfin wutar lantarki na gaba (VF) da zafin jiki, da rarraba gani na hasken da aka fitar. Waɗannan lanƙwasa suna da mahimmanci ga masu ƙira don fahimtar halayen na'urar a ƙarƙashin yanayin aiki daban-daban, kamar yadda haske ke bambanta da halin yanzu ko yadda ƙarfin wutar lantarki ke raguwa tare da ƙaruwar zafin jiki.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin da Tolerances

An ba da duk mahimman girma don kunshin SMD a cikin milimita. Matsakaicin jurewa don girma shine ±0.25 mm sai dai idan an ƙayyade in ba haka ba. Muhimman bayanan inganci sun haɗa da iyakoki akan kayan waje a cikin sassa (≤10 mil), gurɓataccen tawada a saman (≤20 mils), kumfa a cikin sassa (≤10 mil), lanƙwasa mai nuna haske (≤1% na tsawonsa), da matsakaicin girman burr akan filayen filastik (0.14 mm). An yiwa na'urar alamar lambar kwanan wata da bayanan LED don bin diddigin.

5.2 Haɗin Fil da Zanen Kewayawa

Na'urar tana da tsarin fil 10. Fil 3 da 8 sune anodes gama gari. Anodes na sassa A zuwa G da maki goma (DP) an haɗa su zuwa takamaiman fil (1: E, 2: D, 4: C, 5: DP, 6: B, 7: A, 9: F, 10: G). An lura da fil ɗaya cewa ba shi da haɗi (N/C). Zanen kewayawar ciki yana nuna haɗin anode gama gari zuwa duk sassan LED, wanda shine tsari na yau da kullun don sauƙaƙe kewayawar tuƙi a cikin aikace-aikacen da yawa.

5.3 Tsarin Gishiri da Aka Shawarta

An ba da tsarin ƙasa don ƙirar PCB, tare da mahimmin girma na 17.5 mm da aka lura. Wannan tsari yana da mahimmanci don tabbatar da ingantaccen samuwar haɗin gishiri, kwanciyar hankali na injiniya, da sarrafa zafin jiki yayin aikin sake kwarara.

6. Jagororin Gishiri da Taro

6.1 Umarnin Gishiri na SMT

An tsara na'urar don fasahar haɗawa da saman (SMT). Ana ba da izinin matsakaicin tsarin gishiri sake kwarara guda biyu, tare da lokacin sanyaya da aka tilasta zuwa yanayin zafi na yau da kullun tsakanin aikin farko da na biyu. Shawarar bayanin sake kwarara ya haɗa da matakin pre-heat a 120-150°C na matsakaicin dakika 120, tare da matsakaicin zafin jiki bai wuce 260°C ba har zuwa dakika 5. Don gishiri na hannu tare da ƙarfe, matsakaicin zafin jiki shine 300°C na matsakaicin dakika 3.

6.2 Ajiya da Hankan Danshi

Ana jigilar nunin SMD a cikin marufi mai hana danshi. Yakamata a adana su a 30°C ko ƙasa da 60% danshi na dangi (RH) ko ƙasa. Da zarar an buɗe kunshin da aka rufe, sassan sun fara ɗaukar danshi daga muhalli. Idan ba a adana sassan a ƙarƙashin yanayi bushewa (misali, a cikin akwati bushe) bayan buɗewa, dole ne a gasa su kafin aikin gishiri sake kwarara don hana fashewar gasa ko rabuwa. An ƙayyade yanayin gasa: 60°C na ≥48 hours idan har yanzu akan reel, ko 100°C na ≥4 hours / 125°C na ≥2 hours idan a cikin girma. Yakamata a yi gasa sau ɗaya kawai.

7. Bayanin Kunshin da Oda

7.1 Ƙayyadaddun Kunshin

Ana samar da na'urori akan kunshin tef da reel wanda ya dace da kayan aikin ɗauka da sanyawa ta atomatik. An ambaci girman reel guda biyu: reel 22-inch mai ɗauke da tef mai tsawon mita 45.50, da reel 13-inch mai ɗauke da guda 800. Ƙananan adadin kunshin don ragowar kuri'u shine guda 200. An ba da cikakkun girma don reel ɗin kunshin da tef ɗin mai ɗauka (wanda ya cika buƙatun EIA-481-C), gami da juzu'in ramin sprocket, iyakoki na camber, da kauri na tef (0.40±0.05mm). Kunshin ya haɗa da sassan jagora da trailer akan tef don sarrafa inji.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

An yi nufin wannan nuni don na'urorin lantarki na yau da kullun kamar kayan aikin ofis, na'urorin sadarwa, da aikace-aikacen gida. Lambobinsa masu haske da tsarin SMD sun sa ya dace da allunan gaba na kayan aikin sauti/ bidiyo, kayan aikin gwaji, sarrafa na'urori, da nunin bayan kasuwar mota inda sarari ya iyakance.

8.2 Abubuwan Ƙira da Gargaɗi

Muhimman Dokokin Ƙira:Dole ne a tsara kewayawar tuƙi don biyayya ga matsakaicin ƙimar halin yanzu da rage wutar lantarki. Wuce waɗannan ƙimar, musamman a manyan yanayin zafin aiki, na iya haifar da mummunar lalacewar fitar da haske ko gazawar da ba ta daɗe ba. Yakamata kewayawar ta ƙunshi kariya daga juyin wutar lantarki da ƙaruwar wutar lantarki na wucin gadi waɗanda zasu iya faruwa yayin kunna wuta ko jerin kashewa, saboda waɗannan na iya lalata guntun LED. Gabaɗaya ana ba da shawarar tuƙi na halin yanzu akai-akai akan tuƙin ƙarfin wutar lantarki akai-akai don kwanciyar hankali da daidaiton haske. Yakamata masu ƙira su tuntubi bayanan aikace-aikace masu dacewa don kewayawar da ke buƙatar aminci na musamman, musamman a cikin tsarin da ke da mahimmanci ga aminci kamar jiragen sama, likita, ko kayan aikin sufuri.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tsofaffin nunin LED na rami, LTS-4817CKG-P yana ba da fa'idodi masu mahimmanci a cikin sarrafa kai ta atomatik, ceton sararin allon, da yuwuwar ingantaccen aikin zafi saboda haɗawa kai tsaye akan PCB. A cikin nau'in nunin sashi na SMD, amfani da fasahar AlInGaP yawanci yana ba da inganci mafi girma da ingantaccen kwanciyar hankali na zafin jiki idan aka kwatanta da wasu kayan semiconductor, yana haifar da daidaiton haske a kan yanki mai faɗin zafin jiki. Takamaiman rarrabawa don ƙarfin haske shine babban abin banbance wanda ke tabbatar da daidaiton gani, wanda ƙila ba za a tabbatar da shi tare da samfuran da ba a rarraba su ba ko ƙasa da ƙaƙƙarfan rarrabawa.

10. Tambayoyin da ake yawan yi (Dangane da Ma'auni na Fasaha)

Q: Menene manufar ƙimar ragewa don ci gaba da halin yanzu na gaba?

A: Ƙimar ragewa (0.28 mA/°C) tana nuna cewa ga kowane digiri na Celsius da yanayin zafin muhalli ya tashi sama da 25°C, dole ne a rage matsakaicin halin yanzu na ci gaba da izini da 0.28 mA. Wannan yana da mahimmanci don hana zafin haɗin LED ya wuce iyakarsa ta aminci, yana tabbatar da aminci na dogon lokaci.

Q: Zan iya tuƙa wannan nuni tare da samar da wutar lantarki 5V kai tsaye?

A: A'a. Ƙarfin wutar lantarki na gaba a kowane sashi yawanci 2.05-2.6V ne. Dole ne a koyaushe a yi amfani da resistor mai iyakance halin yanzu lokacin haɗawa zuwa tushen wutar lantarki mafi girma fiye da ƙarfin wutar lantarki na LED don sarrafa halin yanzu da hana lalacewa. Ana ƙididdige ƙimar wannan resistor bisa ga ƙarfin wutar lantarki, ƙarfin wutar lantarki na LED na gaba, da halin yanzu na aiki da ake so.

Q: Me yasa ake buƙatar gasa kafin gishiri idan an buɗe kunshin?

A: Kunshin filastik na SMD na iya ɗaukar danshi daga iska. A lokacin babban zafin jiki na sake kwarara gishiri, wannan danshin da aka kama zai iya yin tururi da sauri, yana haifar da matsin lamba na ciki wanda zai iya haifar da fashewar kunshin (\"popcorning\") ko rabuwa na ciki. Gasa yana kawar da wannan danshin da aka ɗauka.

11. Ƙira na Aiki da Amfani da Harka

Yi la'akari da ƙirar nuni na multimeter na lamba. Za a yi amfani da microcontroller don tuƙa LTS-4817CKG-P. Ganin tsarin anode gama gari, tashoshin microcontroller za su zubar da halin yanzu (aiki azaman cathodes) don sassa A-G da DP, yayin da transistor ko direba IC zai samar da halin yanzu zuwa filayen anode gama gari (3 da 8). Za a saita halin yanzu na tuƙi, ta amfani da resistors masu iyakance halin yanzu, zuwa ƙima kamar 10 mA a kowane sashi don cimma kyakkyawan haske (5500 µcd typ.) yayin da yake cikin ƙimar ci gaba da 25 mA. Tsarin PCB zai bi tsarin gishiri da aka ba da shawarar don ingantaccen taro. Idan an yi nufin multimeter don amfani da filin tare da yuwuwar bambancin zafin jiki mai yawa, dole ne mai ƙira ya yi la'akari da ƙimar zafin jiki na ƙarfin wutar lantarki na gaba da buƙatun rage halin yanzu.

12. Gabatarwar Ka'ida

Na'urar tana aiki akan ka'idar electroluminescence a cikin haɗin p-n semiconductor. Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba wanda ya wuce bakin kofa na diode a kan anode da cathode na guntu na AlInGaP, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki, suna sakin makamashi a cikin nau'in photons. Takamaiman abun da ke ciki na kayan semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide) yana ƙayyade tsayin tsayin hasken da aka fitar, a wannan yanayin, kore (~572 nm). Hasken daga ƙaramin guntun yana jagorantar da siffanta shi ta hanyar kunshin filastik, wanda ya haɗa da kofi mai nuna haske da ruwan tabarau mai watsewa don samar da siffofi na sassa da aka sani.

13. Trends na Ci gaba

Trend a cikin nunin LED na SMD yana ci gaba zuwa mafi inganci (ƙarin fitar da haske a kowace watt na wutar lantarki), yana ba da damar rage amfani da wutar lantarki da rage samar da zafi. Hakanan akwai tuƙi don ƙananan ƙira yayin kiyayewa ko inganta karantawa. Haɗa na'urorin direba kai tsaye cikin kunshin nuni wani trend ne, yana sauƙaƙe ƙirar kewayar waje. Ƙari ga haka, ci gaba a cikin kayan aiki da kunshin yana nufin inganta aminci a ƙarƙashin yanayi mai tsauri, kamar mafi girman zafin jiki da yankin danshi. Matsi zuwa mafi daidai da ƙunƙuntaccen sigogin rarrabawa yana tabbatar da ingantaccen daidaiton gani a cikin samfuran ƙarshe.