LTC-5689TBZ Nuna LED Blue 7-Segment - Tsawon Lamba 0.56-inch - Karfin Wutar Gaba 3.6V - InGaN Blue Chip - Takardar Fasaha ta Hausa

1. Bayanin Samfur

LTC-5689TBZ babban na'ura ne mai inganci, mai nuna lambobi uku da haruffa ta hanyar sassa bakwai. An tsara shi don aikace-aikacen da ke buƙatar karanta lambobi a fili da haske mai kyau. Babban abin da ke cikin wannan na'urar shine guntu LED blue na InGaN (Indium Gallium Nitride) wanda aka girma akan tushen sapphire, wanda ke ba da haske mai tsayi da inganci. Wani muhimmin fasalin da aka haɗa shine Zener diode ga kowane sashi, yana ba da kariya daga ƙarfin wutar lantarki mai koma baya, wanda ke da muhimmanci don haɓaka amincin na'urar na dogon lokaci a cikin yanayin hayaniyar lantarki.

Na'urar tana da fuskar baki tare da fararen sassa, yana haifar da bayyanar da ya bambanta sosai wanda ke inganta karantawa a ƙarƙashin yanayin haske daban-daban. An rarraba shi azaman nau'in Common Anode, wanda shine daidaitaccen tsari don da'irori masu turawa da yawa waɗanda aka saba amfani da su a cikin tsarin microcontroller. Na'urar tana bin umarnin RoHS (Ƙuntata Abubuwa Masu Hatsari), yana tabbatar da cewa an kera ta da kayan da ba su da gubar.

1.1 Fa'idodi na Asali da Kasuwar Manufa

Babban fa'idodin LTC-5689TBZ sun samo asali ne daga ƙirar sa na haske da lantarki da ƙaƙƙarfan gini. Amfani da fasahar InGaN yana ba da haske mai ƙarfi da launin shuɗi mai daidaito tare da tsayin raƙuman ruwa wanda yawanci yana kusa da 470-475 nm. Sassa masu ci gaba da daidaito suna tabbatar da bayyanar haruffa na ƙwararru da mara tsage, wanda ke da muhimmanci ga mu'amalar mai amfani a cikin na'urorin lantarki na masu amfani, kwamfutocin sarrafa masana'antu, kayan aiki, da kayan gwaji.

Ƙarancin wutar lantarki da ake buƙata ya sa ya dace da na'urori masu amfani da baturi ko masu kula da makamashi. Faɗin kusurwar kallo yana tabbatar da cewa na'urar ta kasance ana iya karantawa ko da daga gefe, yana faɗaɗa amfaninta a aikace-aikacen da aka ɗora akan panel. Amintaccen amincin LEDs, tare da ƙarin kariyar Zener diode, ya sa wannan na'urar ta zama zaɓi mai ƙarfi don aikace-aikacen da ke buƙatar dogon lokacin aiki da kwanciyar hankali.

2. Bincike Mai Zurfi na Sigogi na Fasaha

2.1 Matsakaicin Matsakaicin Matsakaici

Fahimtar matsakaicin matsakaicin matsakaici yana da mahimmanci don hana gazawar na'urar yayin ƙirar da'ira da aiki. Matsakaicin yana bayyana iyakokin da wuce gona da iri na iya haifar da lalacewa na dindindin.

• Rushewar Wutar Lantarki a kowane Sashi:70 mW. Wannan shine matsakaicin wutar lantarki da za a iya kashewa a matsayin zafi ta hanyar sashi ɗaya mai haske a ƙarƙashin ci gaba da aiki.
• Matsakaicin Halin Gaba a kowane Sashi:100 mA. Ana iya yarda da wannan halin yanzu kawai a ƙarƙashin yanayin bugun jini tare da aikin 1/10 da faɗin bugun 0.1 ms. Kada a yi amfani da shi don ƙididdige yanayin aiki na yau da kullun.
• Ci gaba da Halin Gaba a kowane Sashi:20 mA a 25°C. Wannan shine shawarar matsakaicin halin yanzu don aikin daidaitaccen. Ma'aunin raguwa na layi na 0.21 mA/°C yana aiki yayin da yanayin yanayi (Ta) ya ƙaru sama da 25°C. Misali, a 50°C, matsakaicin halin yanzu na ci gaba zai kasance kusan 20 mA - (0.21 mA/°C * 25°C) = 14.75 mA.
• Yanayin Aiki & Ma'ajiyar Zafin Jiki:-35°C zuwa +85°C. An ƙididdige na'urar don kewayon zafin jiki na masana'antu.
• Yanayin Solder:Na'urar na iya jurewa tafiyar solder ko hanyoyin sake kunnawa inda zafin solder a 1/16 inch (kusan 1.6 mm) ƙasa da wurin zama shine 260°C na matsakaicin dakika 3.

2.2 Halaye na Lantarki & Na Gani (Ta=25°C)

Ana auna waɗannan sigogi a ƙarƙashin takamaiman yanayin gwaji kuma suna wakiltar aikin na'urar na yau da kullun.

• Matsakaicin Ƙarfin Hasken (Iv):5400 - 9000 µcd (microcandelas) a halin yanzu na gaba (IF) na 10 mA. Wannan faɗin kewayon yana nuna cewa an tsara na'urar ko an rarraba ta don ƙarfi. Dole ne masu ƙira su yi la'akari da wannan bambance-bambance lokacin da nufin samun haske iri ɗaya a cikin raka'a da yawa ko nunin.
• Karfin Wutar Gaba a kowane Sashi (VF):3.3V (Min), 3.6V (Typ) a IF=20 mA. Wannan sigogi yana da mahimmanci don ƙirar ƙimar resistor mai iyakance halin yanzu. Ta amfani da wadataccen wutar lantarki na 5V, ƙimar resistor zata kasance R = (Vcc - VF) / IF = (5V - 3.6V) / 0.020A = 70 Ohms. Ana yawan amfani da ƙima mafi girma kaɗan (misali, 75-100 Ohms) don aminci da kuma la'akari da bambancin VF.
• Matsakaicin Tsawon Raƙuman Fitowa (λp):468 nm (Typ). Wannan shine tsayin raƙuman ruwa wanda ƙarfin hasken da aka fitar ya fi girma.
• Matsakaicin Tsawon Raƙuman Ruwa (λd):470 - 475 nm (Typ). Wannan shine tsayin raƙuman ruwa da idon ɗan adam ke gani kuma yana bayyana launin LED.
• Rabin Faɗin Layin Bakan (Δλ):25 nm (Typ). Wannan yana nuna tsaftar bakan; ƙaramin ƙima yana nufin haske mafi monochromatic.
• Halin Koma Baya a kowane Sashi (IR):100 µA (Max) a Karfin Wutar Koma Baya (VR) na 5V.Muhimmin Bayanin Kula:Wannan yanayin gwaji don tabbatar da inganci (gwajin IR) ne kawai. BA a ƙera na'urar don yin aiki ci gaba a ƙarƙashin koma baya ba. An yi niyya da haɗaɗɗen Zener diode don kariya ta wucin gadi, ba don aikin ƙarfin wutar lantarki mai koma baya ba.
• Matsakaicin Daidaitawar Ƙarfin Hasken:2:1 (Max). Wannan yana ƙayyadad da matsakaicin rabo da aka yarda tsakanin mafi haske da mafi duhu sassa a cikin lamba ɗaya ko a cikin wuraren da aka haskaka iri ɗaya, yana tabbatar da daidaiton gani.

3. Tsarin Binning da Rarrabawa

Takardar bayanan ta bayyana a fili cewa an "Rarraba don Ƙarfin Hasken." Wannan al'ada ce ta gama gari a cikin masana'antar LED don rarraba samfuran bisa ga ma'auni na aikin da aka auna.

• Binning Ƙarfin Hasken:Kewayon Iv na 5400-9000 µcd yana nuna kwandon ƙarfi da yawa. Don aikace-aikacen da ke buƙatar daidaitaccen haske (misali, nunin lambobi da yawa ko panels tare da raka'a da yawa), yana da kyau a ƙayyade ƙaramin kwandon ko samun kaya daga irin wannan rukunin samarwa.
• Binning Tsawon Raƙuman Ruwa/Launi:Duk da yake ba a bayyana dalla-dalla tare da lambobi ba, kewayon λd na yau da kullun na 470-475 nm yana nuna yuwuwar rarraba launi. Matsakaicin tsayin raƙuman ruwa mai mahimmanci yana da mahimmanci ga bayyanar launi iri ɗaya.
• Zaɓin Karfin Wutar Gaba:Kewayon VF (3.3V zuwa 3.6V) na iya kasancewa ƙarƙashin rarrabawa, wanda zai iya shafar ƙirar wutar lantarki da sarrafa zafi a cikin manyan tsararrun.

4. Bincike Mai Zurfi na Lankwasa Aiki

Takardar bayanan tana nuni ga "Lankwasa Halayen Lantarki/Na Gani na Yau da Kullun." Duk da yake ba a ba da takamaiman zane-zane a cikin ɓangaren da aka cire ba, ana iya ƙididdige madaidaicin lankwasan LED kuma suna da mahimmanci don ƙira.

• Halin Gaba vs. Karfin Wutar Gaba (Lankwasa I-V):LED yana nuna alaƙar I-V mai ma'ana. Ƙayyadaddun VF a 20 mA yana ba da batu ɗaya akan wannan lankwasa. Lankwasa yana nuna ƙarfin wutar lantarki da yadda halin yanzu ke ƙaruwa da sauri tare da ƙarfin wutar lantarki sama da wannan batu, yana nuna mahimmancin hanyoyin iyakance halin yanzu.
• Ƙarfin Hasken vs. Halin Gaba (Lankwasa L-I):Fitowar haske gabaɗaya yana daidai da halin yanzu na gaba, amma yana iya cika a manyan halayen yanzu saboda tasirin zafi. Yin aiki a ko ƙasa da shawarar 20 mA yana tabbatar da layi da tsawon rai.
• Ƙarfin Hasken vs. Yanayin Yanayi:Fitowar hasken LED yana raguwa yayin da zafin haɗin gwiwa ya ƙaru. Rage halin yanzu na ci gaba (0.21 mA/°C) yana da alaƙa kai tsaye da sarrafa wannan tasirin zafi don kiyaye haske da aminci.
• Rarraba Bakan:Zanen zai nuna ƙarfin hasken da aka fitar a duk faɗin tsayin raƙuman ruwa, wanda ke kewaye da 470-475 nm tare da rabin faɗin na yau da kullun na 25 nm.

5. Bayanan Injiniya, Kunshin & Pinout

5.1 Girman Kunshin

Na'urar tana da tsayin lamba na 0.56 inches (14.2 mm). An ba da duk ma'aunin injiniya a cikin milimita tare da daidaitaccen haƙuri na ±0.25 mm sai dai idan an faɗi. Wani takamaiman bayanin kula ya ambaci haƙurin motsin ƙarshen fil na +0.4 mm, wanda ke da mahimmanci don ƙirar sawun PCB don tabbatar da daidaitawa da yuwuwar solder.

5.2 Zanen Da'ira na Ciki da Haɗin Fil

Zanen da'ira na ciki ya bayyana gine-gine: kowane sashi (A-G, DP1-5) guntu LED blue na InGaN ne na mutum ɗaya a cikin jerin tare da Zener diode. Duk waɗannan nau'i-nau'i na LED-Zener suna raba haɗin anode gama gari kowace lamba. Pinout kamar haka ne:

• Fil 1-7: Cathodes don sassan A, B, C, D, E, F, G bi da bi.
• Fil 8: Cathode gama gari don maki goma uku na dama (DP1, DP2, DP3).
• Fil 9, 10, 11: Anodes gama gari don Lamba 3, Lamba 2, da Lamba 1 bi da bi. Wannan shine wurin wadata wutar lantarki ga kowane lamba.
• Fil 12: Anode gama gari don maki goma biyu na hagu (DP4, DP5).
• Fil 13, 14: Cathodes don DP5 da DP4 bi da bi.

Wannan tsari yana da kyau don haɗawa da yawa. Ta hanyar turawa da'irar anodes gama gari (fil 9,10,11,12) HIGH da nutse halin yanzu ta hanyar fil ɗin cathode na sashi da ya dace, ana iya sarrafa duk lambobi uku da maki goma biyar tare da ƙaramin adadin fil daga microcontroller.

6. Jagororin Solder, Taro & Sarrafawa

Bin ƙa'idodin solder yana da mahimmanci. Na'urar na iya jurewa matsakaicin zafin solder na 260°C na dakika 3, wanda aka auna 1.6 mm ƙasa da jikin kunshin. Matsakaicin bayanan sake kunnawa maras gubar (IPC/JEDEC J-STD-020) gabaɗaya suna aiki. Dole ne a kula don guje wa damuwa na injiniya akan fil yayin shigarwa da kuma hana yawan zafi yayin solder na hannu. Don adanawa, ana ba da shawarar kewayon -35°C zuwa +85°C a cikin yanayi mai bushewa, maras hazo.

7. Bayanan Aikace-aikace da Abubuwan Ƙira

7.1 Da'irorin Aikace-aikace na Yau da Kullun

Hanyar turawa da aka fi sani ita ce haɗawa da yawa. Microcontroller zai yi amfani da fil ɗin fitarwa don sarrafa maɓallan transistor (misali, PNP ko P-channel MOSFETs) akan layukan anode gama gari kuma ya yi amfani da tashoshi na I/O masu iya nutsewa ko direbobi IC (kamar 74HC595 masu canzawa tare da tsararrun darlington na ULN2003) akan layukan cathode. Ana buƙatar resistor mai iyakance halin yanzu ga kowane layin cathode (ko an gina shi cikin direba). Ya kamata mitar haɗawa ta kasance mai girma sosai don guje wa flicker (yawanci >60 Hz).

7.2 Abubuwan Ƙira

• Iyakance Halin Yanzu:Koyaushe yi amfani da resistors na jerin gwano. Yi lissafin bisa ga mafi munin yanayi (mafi ƙanƙanta) VF don guje wa wuce gona da iri.
• Aikin Multiplexing Duty Cycle:Tunda kowane lamba yana samun wutar lantarki kawai na ɗan lokaci kaɗan, halin yanzu na wucin gadi a kowane sashi na iya zama mafi girma fiye da matsakaici don cimma hasken da ake so. Misali, a cikin haɗawa da lambobi 3, aikin kowane lamba yana kusan 1/3. Don cimma matsakaicin halin yanzu na 10 mA, za a iya saita halin yanzu na wucin gadi yayin lokacin aikinsa zuwa 30 mA, muddin bai wuce ƙimar halin yanzu ba kuma matsakaicin wutar lantarki yana cikin iyaka.
• Aikin Zener Diode:Haɗaɗɗen Zener diode yana manne duk wani ƙarfin wutar lantarki mara kyau akan sashi, yana kare guntu LED mai laushi. Ba ya daidaita ƙarfin wutar lantarki yayin aikin gaba na yau da kullun.
• Kusurwar Kallo da ɗora:Tabbatar cewa an ɗora na'urar daidai akan PCB kuma cewa yankin panel ya daidaita daidai don haɓaka fa'idar faɗin kusurwar kallo.

8. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da daidaitattun nunin sassa bakwai ba tare da diodes na kariya ba, LTC-5689TBZ yana ba da ingantacciyar juriya ga wuce gona da iri na lantarki daga baya-EMF, canzawa na inductive, ko kurakuran waya. Idan aka kwatanta da nunin da ke amfani da tsohuwar fasahar GaP ko GaAsP, guntu blue na InGaN yana ba da haske mafi girma da launin shuɗi mai rai, mai cika. Tsayin lamba na 0.56-inch ya sanya shi cikin rukunin da ya dace da kallo na matsakaicin kewayon, ya fi girma fiye da ƙananan nunin SMD amma ya fi ƙanƙanta fiye da manyan mitoci na panel.

9. Tambayoyin da ake yawan yi (FAQ)

Q: Zan iya turawa wannan na'urar tare da tsarin microcontroller na 3.3V?

A: Mai yiwuwa, amma tare da taka tsantsan. VF na yau da kullun shine 3.6V, wanda ya fi 3.3V girma. Kuna iya samun duhu sosai ko babu haske. Za a buƙaci da'irar haɓakawa ko direba IC mai wutar lantarki daga mafi girman ƙarfin wutar lantarki (kamar 5V) don wadata LED, yayin da sigina na sarrafawa na iya kasancewa a matakan dabaru na 3.3V.

Q: Me yasa akwai ƙayyadaddun halin yanzu na koma baya (IR) idan bai kamata in yi amfani da ƙarfin wutar lantarki mai koma baya ba?

A: Gwajin IR gwajin ingancin masana'antu ne don tabbatar da cewa Zener diode da haɗin gwiwar LED suna cikakke. Ba jagorar aiki ba ce. Ci gaba da koma baya na iya lalata na'urar.

Q: Ta yaya zan sarrafa maki goma daban?

A: An raba maki goma biyar zuwa rukuni biyu: DP1/DP2/DP3 (cathode gama gari akan Fil 8) da DP4/DP5 (cathodes ɗaya akan Fil 14 & 13, anode gama gari akan Fil 12). Dole ne a turawa su daidai a cikin jerin haɗawa.

10. Misalin Aikace-aikace na Aiki

Harka: Ƙirar Karatun Voltmeter Mai Lamba 3 Mai Sauƙi.Microcontroller tare da ADC yana auna ƙarfin wutar lantarki. Firmware yana canza karatun zuwa lambobi uku. Ta amfani da tsarin haɗawa da yawa, yana kunna anode na Lamba 1 (Fil 11), sannan ya saita fil ɗin cathode (1-7, 8 don DP) zuwa tsarin ƙasa don ƙimar lamba ta farko, ya jira ɗan gajeren lokaci, sannan ya kashe Lamba 1 kuma ya kunna Lamba 2 (Fil 10), da sauransu. Ana haskaka maƙasudin goma (misali, DP2) ta hanyar kunna rukunin anode gama gari (Fil 12 don DP4/DP5, ko haɗa shi cikin zagayowar lamba don DP1/2/3) da ja da takamaiman cathode ɗinsa ƙasa yayin lokacin aiki na lamba daidai. Resistors masu iyakance halin yanzu na 100 Ohms akan kowane layin cathode zai ba da wurin aiki mai aminci daga wadataccen wutar lantarki na 5V.

11. Ka'idar Aiki

Na'urar tana aiki akan ka'idar electroluminescence a cikin haɗin gwiwar p-n semiconductor. Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba wanda ya wuce bakin kofa na diode (kusan 3.3-3.6V don wannan LED na InGaN), electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki, suna sakin makamashi a cikin nau'in photons. Takamaiman abun da ke ciki (InGaN) yana ƙayyade ƙarfin bandgap, wanda yayi daidai da tsayin raƙuman shuɗi na hasken da aka fitar. Haɗaɗɗen Zener diode yana gudana sosai lokacin da ƙarfin wutar lantarki mai koma baya ya wuce ƙarfin rushewa, ta haka yana karkatar da halin yanzu mai koma baya mai cutarwa daga haɗin gwiwar LED kuma yana kare shi daga lalacewa.

12. Trends na Fasaha

LEDs na tushen InGaN suna wakiltar fasaha mai girma kuma mai inganci sosai don fitarwa na shuɗi da kore. Trends a cikin fasahar nuni sun haɗa da motsi zuwa mafi girman yawan pixel (ƙananan sassa ko matrix-dot), haɗaɗɗun direbobi da masu sarrafawa a cikin kunshin nuni, da kuma ɗaukar kayan aikin da'ira na saman (SMD) don haɗawa ta atomatik. Duk da yake nunin sassa bakwai daban-daban sun kasance masu mahimmanci don takamaiman aikace-aikace, rawar da suke takawa ana ƙara haɗa su da na'urorin OLED da TFT LCD waɗanda ke ba da mafi yawan sassauci don zane-zane da fitarwa mai launi da yawa. Haɗaɗɗun abubuwan kariya kamar Zener diodes, kamar yadda aka gani a cikin LTC-5689TBZ, yana nuna mayar da hankali na masana'antu kan inganta ƙarfi da aminci a cikin aikace-aikacen masu kula da farashi.