LTC-4627JD-01 LED Nuni Takardar Bayani - 0.4-inch Tsawon Lamba - Hyper Red - 2.6V Farashin Gaba - 70mW Rage Wutar Lantarki - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTC-4627JD-01 nuni ne na LED mai lamba hudu da sassa bakwai, wanda aka tsara don aikace-aikacen karanta lambobi. Kowane lamba yana da tsawon 0.4 inches (10.0 mm), yana ba da haruffa masu bayyanawa da saukin karantawa masu dacewa da nau'ikan na'urorin lantarki daban-daban. Na'urar tana amfani da fasahar semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide) don samar da haske mai launin Hyper Red. Tana da fuskar launin toka tare da sassa farare, wanda ke ƙara bambanci da saukin karantawa. An gina nuni a matsayin nau'in multiplex common anode, wanda shine daidaitaccen tsari don nunin lambobi da yawa don rage adadin fil ɗin tuƙi da ake buƙata.

1.1 Muhimman Siffofi

• Tsawon Lamba:0.4 inch (10.0 mm).
• Ƙirar Sashi:Sassa masu ci gaba daidai don bayyanar haruffa iri ɗaya.
• Ingancin Wutar Lantarki:Ƙarancin buƙatun wutar lantarki.
• Ayyukan Gani:Kyakkyawan bayyanar haruffa, haske mai ƙarfi, da bambanci mai girma.
• Kusurwar Dubawa:Kusurwar dubawa mai faɗi.
• Amincewa:Amincewar ƙwaƙƙwaran jiki.
• Sarrafa Inganci:An rarraba don ƙarfin haske (binned).
• Yin Biyayya da Muhalli:Kunshin da ba shi da gubar wanda ya yi daidai da umarnin RoHS.

1.2 Gano Na'ura

Lambar sashi LTC-4627JD-01 ta musamman tana nuna nuni na multiplex common anode tare da LED Hyper Red na AlInGaP kuma ya haɗa da maki goma na hannun dama.

2. Cikakken Ƙayyadaddun Bayanai na Fasaha

2.1 Matsakaicin Matsakaicin Ƙimar

Waɗannan ƙimar suna ayyana iyakokin da za su iya haifar da lalacewa ta dindindin ga na'urar. Ba a ba da garantin aiki a ƙarƙashin waɗannan sharuɗɗan ba.

• Rage Wutar Lantarki Kowane Sashi:70 mW
• Matsakaicin Halin Gaba Kowane Sashi:90 mA (a cikin sake zagayowar aiki 1/10, faɗin bugun jini 0.1ms)
• Ci gaba da Halin Gaba Kowane Sashi:25 mA (a 25°C), rage layi ta 0.28 mA/°C sama da 25°C.
• Kewayon Yanayin Zafin Aiki:-35°C zuwa +105°C
• Kewayon Yanayin Zafin Ajiya:-35°C zuwa +105°C
• Yanayin Solder:Solder na igiyar ruwa a 260°C na dakika 3, tare da wurin solder aƙalla 1/16 inch (kusan 1.6 mm) a ƙasan matakin wurin zama na jikin nuni.

2.2 Halayen Lantarki & Na Gani

Ana auna sigogin aiki na yau da kullun a yanayin zafin yanayi (Ta) na 25°C.

• Matsakaicin Ƙarfin Hasken (I_V):200 - 650 μcd (a I_F= 1 mA). Wannan shine babban ma'aunin haske.
• Matsakaicin Tsawon Tsawon Watsawa (λ_p):650 nm (a I_F= 20 mA). Wannan shine tsayin raƙuman ruwa wanda ƙarfin hasken da aka fitar ya fi girma.
• Rabin Faɗin Layin Bakan (Δλ):20 nm (a I_F= 20 mA). Wannan yana nuna tsaftar launi; ƙaramin ƙima yana nufin haske mai launi ɗaya.
• Matsakaicin Tsawon Raƙuman Ruwa (λ_d):639 nm (a I_F= 20 mA). Wannan shine tsayin raƙuman ruwa da idon ɗan adam ke gani.
• Farashin Gaba Kowane Chip (V_F):2.1 V (Mafi ƙanƙanta), 2.6 V (Typ) (a I_F= 20 mA). Hakuri shine ±0.1V.
• Halin Baya Kowane Sashi (I_R):100 μA Max (a V_R= 5V). Lura: Wannan yanayin gwaji ne; ba a yarda da aikin bias na ci gaba ba.
• Matsakaicin Daidaitawar Ƙarfin Hasken:2:1 Max (don sassan da ke cikin yanki ɗaya na haske, a I_F= 1 mA). Wannan yana tabbatar da daidaito a cikin haske a cikin sassa.
• Maganar Ketare:≤ 2.5%. Wannan yana ƙayyade matsakaicin izinin ɗigon haske tsakanin sassa maƙwabta lokacin da ɗaya yana kunne ɗayan kuma ya kashe.

2.3 Tsarin Binning don Ƙarfin Hasken

Ana rarraba LED ɗin bisa ƙarfin haskensu da aka auna a halin gaba na 10 mA. Wannan yana ba masu ƙira damar zaɓar nunin da ke da matakan haske iri ɗaya don aikace-aikacensu. Teburin binning shine kamar haka:

• Bin E:200 - 320 μcd
• Bin F:321 - 500 μcd
• Bin G:501 - 800 μcd
• Bin H:801 - 1300 μcd
• Bin J:1301 - 2100 μcd

Hakurin ƙarfin haske a cikin zaɓaɓɓen kwandon shine ±15%. Don aikace-aikacen da ke amfani da nunin da yawa a cikin taro ɗaya, ana ba da shawarar sosai don amfani da nunin daga kwandon ɗaya don guje wa bambance-bambance a bayyane a cikin haske (rashin daidaituwar launi).

3. Bayanin Injiniya & Kunshin

3.1 Girman Kunshin

Nuni ya yi daidai da daidaitaccen sawun kunshin biyu a cikin layi (DIP). Duk girma suna cikin milimita tare da haƙuri na gabaɗaya na ±0.25 mm sai dai idan an ƙayyade in ba haka ba. Muhimman bayanan injiniya sun haɗa da:

• Hakurin motsi ƙwanƙwasa: ±0.4 mm.
• Kayan waje akan sashi: ≤ 10 mil (kimanin 0.254 mm).
• Lanƙwasa na mai nuna haske: ≤ 1% na tsawonsa.
• Kumfa a cikin sashi: ≤ 10 mil.
• Gurɓataccen tawada a saman: ≤ 20 mil (kimanin 0.508 mm).
• Ana ba da shawarar diamita ramin PCB don ƙusa: 1.0 mm.

3.2 Tsarin Ƙusa da Zanen Kewayawa

Nuni yana da tsarin ƙusa 16, ko da yake ba duk ƙusa suna nan a zahiri ko haɗa lantarki ba. Nau'in multiplexed common anode ne. Zanen kewayawa na ciki yana nuna ƙusoshin anode guda huɗu (ɗaya ga kowane lamba) da ƙusoshin cathode ɗaya ga kowane sashi (A-G da DP). Teburin haɗin ƙusa shine kamar haka:

• Ƙusa 1: Anode Gama gari don Lamba 1
• Ƙusa 2: Anode Gama gari don Lamba 2
• Ƙusa 3: Cathode don Sashi D
• Ƙusa 4: Anode Gama gari don Sassa L1, L2, L3 (mai yiwuwa don alamun al'ada)
• Ƙusa 5: Cathode don Sashi E
• Ƙusa 6: Anode Gama gari don Lamba 3
• Ƙusa 7: Cathode don Maki Goma (DP)
• Ƙusa 8: Anode Gama gari don Lamba 4
• Ƙusa 9: Babu Haɗi
• Ƙusa 10: Babu Ƙusa
• Ƙusa 11: Cathode don Sashi F
• Ƙusa 12: Babu Ƙusa
• Ƙusa 13: Cathode don Sashi C da L3
• Ƙusa 14: Cathode don Sashi A da L1
• Ƙusa 15: Cathode don Sashi G
• Ƙusa 16: Cathode don Sashi B da L2

4. Lankwasa Ayyuka da Bincike

Takardar bayani ta haɗa da lankwasan halaye na yau da kullun waɗanda ke da mahimmanci don cikakken ƙirar kewayawa. Waɗannan lankwasan suna wakiltar alaƙar tsakanin mahimman sigogi a ƙarƙashin yanayi daban-daban. Masu ƙira yakamata su koma ga waɗannan don:

• Halin Gaba vs. Farashin Gaba (I_F-V_FLankwasa):Yana nuna alaƙar da ba ta layi ba, mai mahimmanci don ƙirar kewayawar iyakance halin yanzu.
• Ƙarfin Hasken vs. Halin Gaba (I_V-I_FLankwasa):Yana nuna yadda haske ke auna tare da halin tuƙi, yana taimakawa wajen inganta don haske da ake so da amfani da wutar lantarki.
• Ƙarfin Hasken vs. Yanayin Zafin Yanayi (I_V-T_aLankwasa):Yana nuna raguwar fitar da haske yayin da zafin jiki ke ƙaruwa, wanda ke da mahimmanci don aikace-aikace a cikin yanayin zafi mai girma.
• Rarraba Bakan Dangantaka:Yana kwatanta ƙarfin hasken da aka fitar a cikin bakan tsayin raƙuman ruwa, wanda ya ta'allaka ne a kusa da kololuwar tsayin raƙuman ruwa na 650 nm.

5. Jagororin Aikace-aikace da Gargadi

5.1 La'akari da Ƙira da Aikace-aikace

• Amfanin Da Ake Nufi:Don na'urorin lantarki na yau da kullun (ofis, sadarwa, gida). Ba a ba da shawarar don tsarin mahimmanci na aminci (jirgin sama, likita, da sauransu) ba tare da tuntuɓar farko da kimantawa ba.
• Ƙirar Kewayawar Tuƙi:
  • Tuƙi Mai Tsayayyen Halin Yanzu:Ana ba da shawarar sosai don tabbatar da tsayayyen ƙarfin haske da tsawon rai.
  • Kewayon Ƙarfin Lantarki:Dole ne kewayawar ta ɗauki cikakken kewayon ƙarfin lantarki na gaba (V_F) (2.0V zuwa 2.7V la'akari da haƙuri) don isar da halin da ake nufi.
  • Kariya:Haɗa kariya daga ƙarfin lantarki na baya da ƙwanƙwasa na wucin gadi yayin zagayowar wutar lantarki.
  • Rage Halin Yanzu:Zaɓi halin aiki bayan la'akari da matsakaicin zafin yanayi, kamar yadda matsakaicin halin ci gaba yana raguwa sama da 25°C.
• Zafi & Muhalli:
  • Kauce wa aiki sama da halin yanzu / zafin da aka ba da shawarar don hana saurin lalacewar haske.
  • Kauce wa saurin canjin zafin jiki a cikin yanayi mai ɗanɗano don hana hazo akan nuni.
• Sarrafa Injiniya:Kada a yi amfani da ƙarfi mara kyau ga jikin nuni yayin haɗawa. Idan an yi amfani da fim ɗin kayan ado, guji sa ya kasance cikin hulɗa kai tsaye tare da panel / murfi na gaba saboda ƙarfin waje zai iya matsar da shi.
• Tarin Nuni Da Yawa:Yi amfani da nunin daga kwandon ƙarfin haske ɗaya don tabbatar da bayyanar iri ɗaya.
• Gwajin Amincewa:Idan samfurin ƙarshe yana buƙatar gwajin faɗuwa ko girgiza, yakamata a raba sharuɗɗan don kimantawa kafin ƙaddamar da ƙira.

5.2 Yanayin Ajiya

Don kiyaye aiki da hana matsaloli kamar lalata ƙusa, yakamata a adana nuni a cikin marufinsa na asali a ƙarƙashin waɗannan sharuɗɗan:

• Zazzabi:5°C zuwa 30°C
• Danshin Dangantaka:Ƙasa da 60% RH

6. Jagorar Solder da Taro

Hanyar solder da aka ba da shawarar ita ce solder na igiyar ruwa. Muhimmin sigogi shine tabbatar da wurin solder akan PCB ya kasance aƙalla 1.6 mm (1/16 inch) a ƙasan matakin wurin zama na nuni don hana zafi mai yawa isa ga jikin filastik da guntu LED. Yakamata zafin solder ya zama 260°C na tsawon dakika 3. Zafin naúrar nuni da kanta yayin wannan tsari bai kamata ya wuce matsakaicin matakin zafinsa ba.

7. Kwatancen Fasaha da Matsayi

LTC-4627JD-01 ya tsara kansa a matsayin ingantaccen mafita na nuni na lamba mai matsakaicin haske. Mahimman bambance-bambancensa sun haɗa da:

• Fasahar AlInGaP:Yana ba da inganci mafi girma da ingantaccen kwanciyar hankali na zafin jiki idan aka kwatanta da tsofaffin fasahohin GaAsP ko GaP don LED ja, yana haifar da rarrabuwar \"Hyper Red\" tare da haske mai kyau.
• Tsawon Lamba 0.4-inch:Girma na gama gari yana ba da daidaito tsakanin saukin karantawa da amfani da sararin allo, wanda ya dace da allunan kayan aikin, na'urorin masu amfani, da sarrafa masana'antu.
• Binning don Daidaito:Samar da kwandon ƙarfin haske alama ce ta sarrafa inganci, yana ba da damar yin hasashen aiki a cikin samar da girma.
• Yin Biyayya da RoHS:Ya cika ka'idojin muhalli na zamani don samar da abubuwan da ba su da gubar.

8. Tambayoyin da ake yawan yi (Bisa Sigogin Fasaha)

Q: Menene bambanci tsakanin kololuwar tsayin raƙuman ruwa (650nm) da rinjayen tsayin raƙuman ruwa (639nm)?

A: Kololuwar tsayin raƙuman ruwa shine madaidaicin wurin mafi girman fitarwa na bakan. Rinjaye tsayin raƙuman ruwa shine tsayin raƙuman ruwa guda ɗaya wanda idon ɗan adam ke gani wanda ya dace da launin tushen hasken. Ga wannan LED ja mai zurfi, ido yana ganin tsayin raƙuman ruwa ɗan guntu fiye da kololuwar jiki.

Q: Me yasa ake ba da shawarar tuƙi mai tsayayyen halin yanzu akan ƙarfin lantarki mai tsayi?

A> Hasken LED shine aikin halin yanzu na farko. Farashin gaba (V_F) yana da haƙuri na samarwa kuma ya bambanta da zafin jiki. Tushen halin yanzu mai tsayayye yana tabbatar da halin yanzu iri ɗaya (don haka daidaitaccen haske) yana gudana ta kowane sashi ba tare da la'akari da waɗannan V_F variations.

Q: Shin zan iya tuƙa wannan nuni tare da microcontroller kai tsaye?

A: A'a. Ci gaba da halin yanzu kowane sashi shine 25mA, wanda ya wuce matsakaicin ƙimar halin yanzu na filin GPIO na microcontroller (sau da yawa 20-25mA cikakken max). Dole ne ku yi amfani da direbobi na waje, kamar tsararrun transistor ko na'urorin tuƙi na LED na musamman, waɗanda kuma suke sauƙaƙa multiplexing da ake buƙata don nuni mai lamba 4.

Q: Menene ma'anar \"multiplex common anode\" ga ƙirar kewayawa ta?

A> Yana nufin anodes na LED ɗin na kowane lamba an haɗa su tare a ciki (Lamba 1 anode, Lamba 2 anode, da sauransu). Don nuna lamba, kuna kunna anode gama gari na lamba ɗaya a lokaci guda yayin amfani da daidaitaccen tsarin cathode don sassan da ake so. Wannan yana zagayawa da sauri (yawanci >100Hz) don ƙirƙirar tunanin cewa duk lambobi suna kan tare, yana rage adadin fil ɗin I/O da ake buƙata sosai.

9. Nazarin Shari'ar Ƙira da Amfani

Yanayi: Ƙirar Nuni na Digital Multimeter

Mai ƙira yana ƙirƙirar multimeter na lamba 4. Sun zaɓi LTC-4627JD-01 don saukin karantawa da launin ja, wanda ya zama ruwan dare ga irin waɗannan kayan aikin.

1. Zaɓin Hasken:Multimeter na iya amfani da shi a cikin gida da waje. Mai ƙira ya zaɓi nunin daga Bin G (501-800 μcd) don tabbatar da isasshen haske a cikin yanayin haske daban-daban.
2. Kewayawar Tuƙi:An zaɓi na'urar tuƙi ta LED ta musamman. Mai ƙira ya saita halin yanzu mai tsayayye zuwa 15 mA kowane sashi—da kyau ƙasa da 25 mA matsakaicin—don tabbatar da dogon lokacin aminci da lissafin yuwuwar mafi girman yanayin zafi a cikin murfin mita.
3. Shimfidar PCB:An yi amfani da diamita ramin 1.0 mm da aka ba da shawarar don ƙusa. An yi taka tsantsan a cikin shimfidar PCB don tabbatar da fakitin zafi (idan akwai) da alamun za su iya ɗaukar jimlar halin yanzu lokacin da sassa da yawa suka haskaka.
4. Software:Firmware na microcontroller yana aiwatar da tsarin multiplexing, yana zagayawa ta cikin ƙusoshin anode lamba huɗu a babban mitar. Hakanan ya haɗa da dabaru don sarrafa maki goma na hannun dama (ƙusa 7 cathode).
5. Gwaji:Kafin haɗawa na ƙarshe, ana gwada samfurin a cikin kewayon yanayin aiki don tabbatar da daidaiton haske, yana tabbatar da cewa zaɓaɓɓen halin tuƙi ya dace ko da a babban ƙarshen kewayon zafin jiki.

10. Ka'idar Aiki da Trends na Fasaha

10.1 Ka'idar Aiki

Nuni ya dogara ne akan guntu LED na AlInGaP. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce ƙarfin bandgap na guntu (kusan 2V), electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki, suna sakin makamashi a cikin nau'in photons—tsarin da ake kira electroluminescence. Takamaiman abun da ke cikin yadudduka na AlInGaP yana ƙayyade ƙarfin bandgap don haka tsayin raƙuman ruwa (launi) na hasken da aka fitar, wanda a wannan yanayin yana cikin bakan ja mai zurfi. Sassa bakwai sune LED ɗaiɗaiku ko ƙungiyoyin guntu LED waɗanda aka tsara a cikin tsarin adadi takwas. Multiplexing fasaha ce ta lantarki wacce ke amfani da dagewar ganin ɗan adam don sarrafa LED da yawa tare da ƙananan wayoyi ta hanyar haskaka su cikin sauri.

10.2 Trends na Fasaha

Yayin da nunin sassa bakwai suka kasance na asali, fadin fasahar nunin LED yana ci gaba. Trends sun haɗa da:

• Mafi Girman Ingantacciyar:Ci gaban kimiyyar kayan aiki na ci gaba yana nufin mafi girman lumens kowace watt (inganci), rage amfani da wutar lantarki don haske iri ɗaya.
• Ƙananan:Ana haɓaka nunin tare da ƙananan tsayin lamba da filaye don ƙananan na'urori.
• Haɗin kai:Ana ƙara haɗa na'urorin lantarki na direba cikin ƙirar nuni, yana sauƙaƙa ƙirar tsarin.
• Kayan Ci Gaba:Bincike a cikin kayan kamar perovskites da ɗigon ƙididdiga yana ba da alamar nunin nan gaba tare da gamut launi mai faɗi da kaddarorin da za a iya daidaitawa. Koyaya, don alamun lambobi na yau da kullun, fasahohi masu girma kamar AlInGaP suna ba da madaidaicin daidaito na aiki, aminci, da farashi.