Takardar Bayani na LED LTC-5648JD - Tsayin Lamba 0.52-inch - Jan AlInGaP - Ƙarfin Wutar Gaba 2.6V - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTC-5648JD ƙaramin kayan aiki ne mai lamba uku mai sassa bakwai, wanda aka ƙera don aikace-aikacen da ke buƙatar karanta lambobi a sarari. Babban aikinsa shi ne ya ba da sakamakon lambobi na gani a cikin na'urorin lantarki, kayan aiki, da kuma allunan sarrafawa. An ƙera wannan na'urar don aiki da ƙarancin wutar lantarki, wanda ya sa ya dace da aikace-aikacen da ke amfani da baturi ko kuma waɗanda suke kula da makamashi, inda kiyaye ganuwa yayin rage amfani da wutar lantarki ke da muhimmanci.

Babban fasahar da ke tattare da wannan nunin shi ne amfani da guntu jan LED na AlInGaP (Aluminum Indium Gallium Phosphide) mai inganci. An ƙera waɗannan guntun a kan wani abu marar gani na GaAs, wanda ke taimakawa wajen inganta bambanci ta hanyar rage tarwatsar haske a ciki. Nunin yana da fuska mai launin toka tare da alamun sassa masu fari, haɗin da aka zaɓa don inganta karatun haruffa da kyan gani a ƙarƙashin yanayin haske daban-daban. Kasuwar da aka yi niyya ta haɗa da kayan aikin masana'antu, na'urorin lantarki na masu amfani, allunan motoci, na'urorin likitanci, da kuma duk wani tsarin da ke buƙatar amintaccen nunin lambobi mai sauƙin karantawa.

2. Zurfin Bincike Kan Ƙayyadaddun Fasaha

2.1 Halayen Gani

Aikin gani shine tsakiyar aikin nunin. Matsakaicin ƙarfin haske (Iv) an ƙayyade shi daga mafi ƙarancin 320 µcd zuwa mafi girma 700 µcd lokacin da aka tuka shi da ƙarfin wutar lantarki na gaba (IF) na kawai 1mA a kowane sashe. Wannan babban inganci a ƙarancin wutar lantarki siffa ce mai mahimmanci. Tsawon zangon da ya fi rinjaye (λd) shine 640 nm, kuma tsayin zangon fitarwa mafi girma (λp) shine 656 nm, wanda ke sanya sakamakon a cikin ɓangaren jan haske mai haske na bakan gani. Ramin rabin faɗin zangon (Δλ) shine 22 nm, yana nuna fitarwar launi mai tsafta. Ana auna ƙarfin haske ta amfani da firikwensin da tacewa wanda ke kusantar da lanƙwasa amsawar ido na CIE, yana tabbatar da cewa ƙimar suna da alaƙa da hangen nesa na ɗan adam.

2.2 Halayen Lantarki

A fuskar lantarki, an ƙera nunin don ƙarfi da sauƙin amfani. Ƙarfin wutar lantarki na gaba (VF) a kowane sashe yakan bambanta daga 2.1V zuwa 2.6V a daidaitaccen gwajin wutar lantarki na 20mA. Ƙarfin wutar lantarki na baya (IR) yana da ƙasa sosai, tare da matsakaicin 10 µA lokacin da aka yi amfani da ƙarfin wutar lantarki na baya (VR) na 5V, yana nuna kyakkyawan halayen diode. Ma'auni mai mahimmanci ga nunin da aka haɗa shi ne ma'aunin daidaitawar ƙarfin haske (IV-m), wanda aka ƙayyade a matsayin 2:1 mafi girma lokacin da aka tuka sassa a 10mA. Wannan yana tabbatar da daidaiton haske a duk sassan lamba da kuma tsakanin lambobi, wanda ke da mahimmanci ga kamannin ƙwararru.

2.3 Matsakaicin Matsakaicin Ƙimar

Waɗannan ƙimar suna bayyana iyakokin aiki waɗanda sama da su lalacewa na dindindin na iya faruwa. Matsakaicin raguwar wutar lantarki a kowane sashe shine 70 mW. Matsakaicin ƙarfin wutar lantarki na gaba a kowane sashe shine 100 mA, amma wannan yana yarda ne kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms), dabarar gama gari don haɗawa don samun haske mafi girma. Dole ne a rage ƙarfin wutar lantarki na gaba a kowane sashe a layi daya daga 25 mA a 25°C a ƙimar 0.33 mA/°C. Na'urar na iya aiki kuma ana adana ta a cikin kewayon zafin jiki na -35°C zuwa +85°C. Matsakaicin zafin jiki na gudanarwa shine 260°C na matsakaicin dakika 3, wanda aka auna 1.6mm ƙasa da matakin zama, wanda shine daidaitaccen jagora don gudanar da igiyar ruwa ko sake karkatarwa.

3. Bayanin Tsarin Rarrabawa

Takardar bayani ta nuna cewa na'urorin "An Rarraba don Ƙarfin Hasken." Wannan yana nuna tsarin rarrabawa ko rarrabuwa dangane da fitarwar haske da aka auna. Duk da yake ba a bayar da takamaiman lambobin kwandon a cikin wannan takarda ba, rarrabawar yau da kullun don irin waɗannan nunin ya haɗa da rukunin raka'a bisa ga ƙarfin haske a takamaiman gwajin wutar lantarki (misali, 1mA ko 10mA). Wannan yana tabbatar da daidaito a cikin rukunin samarwa. Masu zane waɗanda ke samo waɗannan sassa yakamata su bincika game da raka'o'in ƙarfin haske da ake samu (misali, ƙananan/Matsakaicin/Matsakaicin iyakoki) don tabbatar da cewa zaɓaɓɓen kwandon ya cika buƙatun haske da daidaito na aikace-aikacen, musamman lokacin da aka yi amfani da nunin da yawa a cikin samfur ɗaya.

4. Bincike Kan Lanƙwasa Ayyuka

Takardar bayani tana magana ne game da "Yanayin Lantarki / Halayen Gani na Yau da Kullun." Ko da yake ba a bayyana takamaiman jadawali a cikin rubutun da aka bayar ba, irin waɗannan lanƙwasa yawanci sun haɗa da alaƙa masu mahimmanci da yawa. Lanƙwasa Ƙarfin Wutar Lantarki na Gaba da Ƙarfin Wutar Lantarki na Gaba (I-V) zai nuna alaƙar ma'auni, yana taimaka wa masu zane su zaɓi masu hana wutar lantarki masu dacewa. Lanƙwasa Dangantakar Ƙarfin Hasken da Ƙarfin Wutar Lantarki na Gaba yana da mahimmanci, yana nuna yadda fitarwar haske ke ƙaruwa tare da wutar lantarki, sau da yawa a cikin yanayin ƙasa da layi a manyan wutar lantarki. Lanƙwasa Ƙarfin Hasken da Yanayin Yanayi zai nuna halayen zafin jiki na na'urar, yawanci yana nuna raguwar fitarwa yayin da zafin jiki ya tashi. Fahimtar waɗannan lanƙwasa yana ba da damar ingantaccen ƙira na kewayawa don cimma matakan haske da ake so a cikin kewayon zafin jiki na aiki yayin tabbatar da tsawon rai.

5. Bayanin Injiniya da Marufi

Nunin yana da tsayin lamba na 0.52 inches (13.2 mm). An ba da girman fakitin a cikin cikakken zane (wanda aka ambata amma ba a nuna shi a cikin rubutu ba). Duk girmansu an ƙayyade su a cikin milimita tare da daidaitaccen juriya na ±0.25 mm (0.01"). An ƙera fakitin jiki don ɗora ta cikin rami akan allon da'ira (PCB). An bayar da zanen haɗin fil a sarari, yana bayyana aikin kowane fil 12. Fil 8, 9, da 12 sune anodes na gama gari na Lamba 3, Lamba 2, da Lamba 1, bi da bi, suna tabbatar da tsarin anode na gama gari da aka haɗa. Fil 1-5, 7, 10, da 11 sune cathodes na sassa E, D, DP (maki goma), C, G, B, F, da A. Fil 6 an lura da shi a matsayin "Babu Fil," yana nuna matsayin fil da ba a yi amfani da shi ba a cikin kawunan. Daidaitaccen gano fil ɗin anode da cathode yana da mahimmanci don hana karkatar da baya da kuma tabbatar da tuƙi mai kyau.

6. Jagororin Gudanarwa da Taro

Babban ƙayyadaddun taro da aka bayar shine iyakar zafin jiki na gudanarwa: matsakaicin 260°C na matsakaicin dakika 3, wanda aka auna 1.6mm ƙasa da matakin zama. Wannan shine daidaitaccen jagora don hanyoyin gudanar da igiyar ruwa. Don sake karkatar da gudanarwa, yakamata a yi amfani da bayanin martaba tare da matsakaicin zafin jiki wanda bai wuce 260°C ba. Yana da mahimmanci a guji matsin lamba na injiniya akan filayen yayin shigarwa kuma a tabbatar da cewa girman ramukan PCB sun dace da diamita na fil don ba da damar gudanarwa mai kyau ba tare da matsin lamba ba. Yakamata a adana na'urar a cikin jakar hana danshi ta asali har sai an yi amfani da ita, musamman idan tana ƙarƙashin yanayin ɗanɗano, don hana matsalolin na'urar mai hankali ga danshi (MSD) yayin sake karkatarwa. Faɗin kewayon aiki da adanawa (-35°C zuwa +85°C) yana nuna kyakkyawan juriya ga yanayin muhalli bayan taro.

7. Bayanin Marufi da Oda

An gano lambar sashi a sarari a matsayin LTC-5648JD. Takardar bayani ta haɗa da filaye don "Lambar Bayani" (DS30-2000-316) da "Kwanan Watar Aiki" (11/04/2000), waɗanda ke da mahimmanci don sarrafa sigar. Duk da yake ba a jera cikakkun bayanan marufi (misali, bututu, reel, adadin tire) a cikin abin da aka cire ba, daidaitaccen aiki don irin waɗannan nunin shine marufi a cikin bututun anti-static ko tire don kare filayen da ruwan tabarau. Bayanin "Rt. Hannun Decimal" a cikin teburin bayanin na'urar yana nuna cewa makin goma yana kan gefen dama na saitin lamba. Dole ne injiniyoyi su tabbatar da ainihin nau'in marufi da ƙarancin adadin oda tare da mai kaya ko mai rarrabawa.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan nunin ya dace da kowane aikace-aikacen da ke buƙatar karatun lambobi masu yawa a sarari. Amfanin gama gari ya haɗa da mitoci na lambobi da yawa, ƙididdiga na mitoci, nunin agogo da ƙidayar lokaci, karatun sarrafa tsarin masana'antu, nunin tashar siyarwa, allunan bayanan motoci (misali, kwamfutar tafiya), da kayan aikin sa ido na likita. Ƙarfin sa na ƙarancin wutar lantarki ya sa ya dace musamman da na'urorin da ake amfani da su da baturi, kamar kayan aikin gwaji na hannu ko kayan amfani na masu amfani inda rayuwar baturi ke da damuwa.

8.2 Abubuwan Tunani na Zane

Zane tare da LTC-5648JD yana buƙatar kulawa ga abubuwa da yawa. Na farko, a matsayin anode na gama gari, nunin da aka haɗa, dole ne da'irar tuƙi (sau da yawa microcontroller tare da isassun fil ɗin I/O ko kuma takamaiman tuƙi na nunin IC kamar MAX7219) ya ba da damar kowane anode na gama gari na lamba yayin samar da tsarin cathode daidai don hasken sashe da ake so. Masu hana wutar lantarki suna tilas ga kowane layin cathode (ko kuma a haɗa su cikin tuƙi) don saita wutar lantarki na sashe. Ana iya ƙididdige ƙimar ta amfani da matsakaicin ƙarfin wutar lantarki na gaba (misali, 2.6V) da wutar lantarki da ake so. Misali, don cimma 10mA daga wadataccen 5V: R = (5V - 2.6V) / 0.01A = 240 Ohms. Ƙananan amfani da 1mA yana nufin ana iya musayar haske don ƙarin ƙarancin amfani da wutar lantarki. Yakamata a yi la'akari da ma'aunin daidaitawar ƙarfin haske na 2:1 idan cikakken daidaito yana da mahimmanci; ƙwaƙƙwaran haske na software a kowane sashe na iya zama dole don aikace-aikacen da suka fi dacewa. Rage zafi gabaɗaya ba babban damuwa ba ne a ƙayyadaddun wutar lantarki amma yakamata a tantance shi idan ana aiki kusa da matsakaicin ƙimar.

9. Kwatancen Fasaha

Idan aka kwatanta da tsofaffin fasahohi kamar nunin incandescent ko na'urori masu haske (VFDs), wannan nunin LED yana ba da ingantaccen amincin ƙwaƙƙwaran jiki, tsawon rai, ƙarancin aikin wutar lantarki, kuma babu buƙatar wutar lantarki ko hita. Idan aka kwatanta da daidaitattun nunin jan GaAsP ko GaP LED, fasahar AlInGaP da aka yi amfani da ita a nan tana ba da ingantaccen inganci mai haske, wanda ke haifar da fitarwa mai haske a wutar lantarki ɗaya ko daidaitaccen haske a ƙarancin wutar lantarki. Zanen fuska mai launin toka/farin sashe yana ba da mafi kyawun bambanci fiye da duk jan ko kore nunin a cikin yanayin haske mai yawa. Idan aka kwatanta da zamani ɗigo-matrix ko graphic OLEDs, nunin sassa bakwai yana da fa'idar sauƙi sosai a cikin hanyar haɗin kai na hardware da kuma software, yana mai da shi ingantaccen mafita kuma madaidaiciya don fitarwar lambobi kawai.

10. Tambayoyin da ake yawan yi (FAQ)

Q: Menene manufar "Babu Fil" a matsayi na 6?

A: Wannan wurin ajiye kayan aiki ne a cikin mai haɗawa don kiyaye tazarar fil da ingancin jiki na fakitin. Ba a haɗa shi da wani abu a cikin nunin ta hanyar lantarki ba.

Q: Zan iya tuƙa wannan nunin tare da wutar lantarki mai dorewa (ba a haɗa shi ba)?

A: E, zaku iya haɗa duk anodes na gama gari tare zuwa wadataccen wutar lantarki kuma ku tuƙi kowane cathode da kansa tare da masu hana wutar lantarki. Duk da haka, wannan yana buƙatar ƙarin layukan tuƙi (12 vs. 8 don haɗawa) kuma yana cinye ƙarin wutar lantarki lokaci ɗaya. Haɗawa shine daidaitaccen hanyar da aka ba da shawarar.

Q: An jera ƙarfin wutar lantarki na gaba a matsayin 2.1V zuwa 2.6V. Ta yaya zan zaɓi ƙimar resistor?

A: Don aiki mai aminci a duk raka'o'i da yanayin zafi, ƙira don matsakaicin VF (2.6V). Wannan yana tabbatar da cewa wutar lantarki ba ta wuce abin da kuke so ba idan an yi amfani da raka'a tare da ƙananan VF. Yin amfani da ƙimar yau da kullun (misali, 2.6V) don ƙididdigewa aikin gama gari ne.

Q: Menene ma'anar "Ma'aunin Daidaitawar Ƙarfin Hasken" na 2:1?

A: Yana nufin cewa auna ƙarfin haske na kowane sassa biyu (ko yuwuwar lambobi) a ƙarƙashin yanayin gwaji ɗaya (IF=10mA) ba zai bambanta fiye da sau biyu ba. Sashe mafi haske ba zai wuce sau biyu fiye da sashe mafi duhu ba.

11. Yanayin Amfani na Aiki

Yi la'akari da ƙirar mita mai lamba uku mai sauƙi ta amfani da microcontroller tare da mai canza analog-zuwa-lamba (ADC). Microcontroller yana karanta wutar lantarki, yana canza shi zuwa ƙimar lamba, kuma yana buƙatar nunin shi. LTC-5648JD ya dace daidai. Microcontroller zai yi amfani da fil ɗin I/O 7 (waɗanda aka saita a matsayin fitarwa) waɗanda aka haɗa zuwa cathodes na sassa (A-G) ta hanyar masu hana wutar lantarki. Za a yi amfani da ƙarin fil ɗin I/O uku don sarrafa anodes na gama gari na lambobi uku, mai yiya ta hanyar ƙananan transistors na NPN ko MOSFETs don sarrafa haɗin wutar lantarki na sashe na lamba. Software zai aiwatar da tsarin haɗawa: kunna transistor don Lamba 1, fitar da tsarin sashe don lambobin ɗari, jira ɗan gajeren lokaci (1-5 ms), kashe Lamba 1, kunna Lamba 2, fitar da tsarin lambobi goma, jira, da sauransu, yana zagayawa akai-akai. Dorewar hangen nesa yana sa nunin ya bayyana yana ci gaba da haskakawa. Ƙarancin ikon 1mA a kowane sashe yana ba da damar gaba ɗaya nunin ya gudana akan matsakaicin wutar lantarki mai ƙasa sosai, yana tsawaita rayuwar baturi a cikin mita mai ɗaukuwa.

12. Gabatarwar Ka'idar Fasaha

Nunin sassa bakwai tarin diodes masu fitar da haske (LEDs) ne waɗanda aka jera a cikin tsarin siffa takwas. Ta hanyar haskaka takamaiman sassa (waɗanda aka yiwa lakabi A zuwa G), ana iya samar da kowane lamba goma daga 0 zuwa 9. LTC-5648JD ya ƙunshi irin waɗannan tarukan lambobi uku a cikin fakitin ɗaya. Yana amfani da tsarin anode na gama gari, ma'ana an haɗa anode (gefen tabbatacce) na duk LEDs na wani lamba tare a ciki. An haɗa cathodes (gefen mara kyau) don harafin sashe ɗaya (misali, duk sassan 'A') a cikin lambobi daban-daban. Wannan gine-gine yana ba da damar haɗawa (haɗa lokaci-lokaci). Lamba ɗaya kawai ke haskakawa a kowane lokaci ta hanyar amfani da wutar lantarki ga anode ɗin gama gari yayin da ake kafa ƙasa da cathodes da suka dace da sassan da yakamata su haskaka don wannan lambar. Ta hanyar zagayawa cikin lambobi da sauri (yawanci a 100Hz ko fiye), duk lambobi suna bayyana suna ci gaba da haskakawa saboda dorewar hangen nesa na ɗan adam. Wannan hanyar tana rage yawan fil ɗin tuƙi da ake buƙata daga (sassa 7 + maki goma 1) * lambobi 3 = fil 24 zuwa fil ɗin sashe 7 + fil ɗin lamba 3 = fil 10.

13. Trends na Fasaha

Duk da yake nunin LED na sassa bakwai masu zaman kansu kamar LTC-5648JD suna ci gaba da kasancewa masu dacewa sosai saboda sauƙinsu, amincin su, da ingancin farashinsu, faɗin yanayin fasahar nunin yana ci gaba. Akwai wani yanayi zuwa haɗin kai, inda aka haɗa da'irar tuƙi tare da nunin a cikin na'ura ɗaya, yana sauƙaƙe hanyar haɗin kai don tsarin mai masaukin baki (misali, sadarwar SPI ko I2C). Sigogin na'urar ɗora saman (SMD) suna zama gama gari, suna ba da damar haɗawa ta atomatik da ƙananan sawun samfur. Dangane da kayan, fasahar AlInGaP, kamar yadda aka yi amfani da ita a nan, tana wakiltar mataki na ci gaba daga kayan LED na gargajiya, yana ba da inganci mafi kyau da kwanciyar hankali na zafi. Idan muka koma gaba, duk da yake fasahohin OLED da micro-LED suna ba da fa'idodi a cikin sassauƙa da yawan pixel, nunin sassan LED na gargajiya zai ci gaba da mamaye aikace-aikacen inda babban haske, tsawon rai, ƙaƙƙarfan ƙarfin muhalli, da aiwatarwa kai tsaye suke manyan buƙatu, musamman a cikin saitunan masana'antu da na motoci.