Takardar Bayanin LTC-5623JD LED Display - Tsawon Lamba 0.56-inch - Launi Hyper Red - Ƙarfin Wutar Gaba 2.6V - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTC-5623JD wani na'ura ne mai nuni (LED) mai lambobi huɗu, mai sassa bakwai. Babban aikinsa shine samar da bayanin lambobi mai haske da bayyananne don kayan lantarki da na'urori daban-daban. Babban aikinsa shine a cikin yanayin da ake buƙatar nuna bayanan lambobi, kamar a cikin kayan aikin gwaji, sarrafa masana'antu, kayan amfani na gida, da mitoci na panel.

Matsayin mahimmanci na na'urar yana cikin daidaiton girman harafi, haske, da aminci. Tana amfani da fasahar guntu na AlInGaP (Aluminum Indium Gallium Phosphide) don guntun LED dinta, musamman a cikin launin Hyper Red. Wannan fasahar tana ba da fa'idodi a cikin inganci da ƙarfin haske idan aka kwatanta da tsofaffin fasahori kamar GaAsP na yau da kullun. Nuni yana da fuskar launin toka tare da alamun sassa masu fari, wanda ke haɓaka bambanci da karantawa a ƙarƙashin yanayin haske daban-daban.

Babban fa'idodinta, kamar yadda aka jera a cikin takardar bayanin, sun haɗa da bayyanar sassa mai ci gaba daidai, ƙarancin buƙatun wutar lantarki, kyakkyawan bayyanar harafi, babban haske da bambanci, faɗin kusurwar kallo, da amincin tsarin ƙwaƙƙwaran. Haka kuma an rarraba na'urar don ƙarfin haske kuma ana bayar da ita a cikin kunshin da bai ƙunshi gubar ba wanda ya dace da umarnin RoHS.

2. Ƙayyadaddun Fasaha da Fassarar Manufa

2.1 Matsakaicin Matsakaicin Ƙimar

Waɗannan sigogi suna ayyana iyakokin da za su iya haifar da lalacewa ta dindindin ga na'urar. Ba sharuɗɗan aiki na yau da kullun ba ne.

• Rashin Wutar Lantarki a kowane Sashe:70 mW. Wannan shine matsakaicin ƙarfin wutar lantarki da aka yarda da shi azaman zafi don sashe guda ɗaya (misali, sashe 'A'). Wuce wannan zai iya yin zafi sosai ga haɗin semiconductor.
• Matsakaicin Ƙarfin Gaba a kowane Sashe:90 mA. Ana yarda da wannan kawai a ƙarƙashin yanayin bugun jini (1/10 aikin alhaki, faɗin bugun 0.1ms). Yana da amfani ga tsarin haɗawa inda ake amfani da ƙarfin halin yanzu mafi girma don cimma hasken da ake gani.
• Ci gaba da Ƙarfin Gaba a kowane Sashe:25 mA a 25°C. Wannan ƙarfin yana raguwa a layi daya da 0.28 mA/°C yayin da yanayin yanayi (Ta) ya karu sama da 25°C. Misali, a 85°C, matsakaicin ƙarfin ci gaba zai kasance kusan: 25 mA - ((85°C - 25°C) * 0.28 mA/°C) = 8.2 mA.
• Yanayin Aiki & Ma'ajiyar Zafin Jiki:-35°C zuwa +105°C. Na'urar na iya aiki kuma ana iya adana ta a cikin wannan cikakken kewayon.
• Zafin Solder:Matsakaicin 260°C na matsakaicin dakika 3, ana auna 1.6mm (1/16 inch) ƙasa da farfajiyar zama. Wannan yana da mahimmanci ga hanyoyin solder na igiyar ruwa ko sake karkarwa don hana lalacewar zafi ga kunshin filastik da haɗin wayoyi na ciki.

2.2 Halayen Lantarki & Na Gani

Waɗannan sune sigogin aiki na yau da kullun da aka auna a yanayin yanayi (Ta) na 25°C.

• Matsakaicin Ƙarfin Hasken (Iv):320 μcd (ƙarami), 700 μcd (na al'ada) a ƙarfin gaba (IF) na 1 mA. Wannan yana ƙididdige fitowar haske. An rarraba/rarraba na'urar bisa wannan siga.
• Matsakaicin Tsawon Tsawon Tsinkaya (λp):650 nm (na al'ada) a IF=20mA. Wannan shine tsawon raƙuman ruwa inda fitowar bakan ta fi ƙarfi.
• Rabin Faɗin Layin Bakan (Δλ):20 nm (na al'ada) a IF=20mA. Wannan yana nuna tsaftar bakan; ƙaramin ƙima yana nufin haske mai launi ɗaya.
• Matsakaicin Tsawon Tsinkaya (λd):639 nm (na al'ada) a IF=20mA. Wannan shine tsawon raƙuman ruwa guda ɗaya da idon ɗan adam ke gani, yana ayyana launin 'Hyper Red'.
• Ƙarfin Wutar Gaba a kowane Sashe (Vf):2.1V (ƙarami), 2.6V (na al'ada) a IF=20mA. Wannan shine raguwar ƙarfin lantarki a kan sashe mai haske. Yana da mahimmanci don ƙirar da'irar iyakancewar ƙarfin lantarki.
• Ƙarfin Koma Baya a kowane Sashe (Ir):100 μA (matsakaici) a ƙarfin koma baya (Vr) na 5V. Wannan siga don dalilai na gwaji ne kawai; ba a nufin na'urar don ci gaba da aikin koma baya ba.
• Matsakaicin Daidaitawar Ƙarfin Hasken (Iv-m):2:1 (matsakaici). Wannan yana ƙayyadad da matsakaicin rabo da aka yarda tsakanin mafi haske da mafi duhu a cikin na'ura, yana tabbatar da bayyanar iri ɗaya.

3. Tsarin Rarrabawa da Rarrabawa

Takardar bayanin ta ce na'urar "An Rarraba don Ƙarfin Hasken." Wannan yana nufin cewa ana rarraba raka'o'i (kwantena) bisa ga aunanniyar fitowar haske a daidaitaccen gwajin gwaji (yawanci 1mA ko 20mA). Duk da yake ba a bayar da takamaiman lambobin kwantena a cikin wannan ɓangaren ba, al'adar gama gari ta ƙunshi lambobi na haruffa (misali, B1, B2, C1) waɗanda ke wakiltar kewayon ƙarfin haske. Wannan yana ba masu ƙira damar zaɓar nunin da ke da matakan haske masu daidaito don aikace-aikacensu. Matsakaicin matsakaicin daidaitawar ƙarfin 2:1 yana ƙara tabbatar da daidaiton gani a duk sassa na lamba ɗaya da tsakanin lambobi.

4. Bincike na Lanƙwasa Aiki

Takardar bayanin tana nuni zuwa "Lanƙwasa Halayen Lantarki / Na Gani na Al'ada" a shafi na ƙarshe. Ko da yake ba a bayar da takamaiman jadawali a cikin rubutun ba, zamu iya ƙaddara abubuwan da suka dace na al'ada bisa ga fasahar LED:

• Ƙarfin Gaba vs. Ƙarfin Wutar Gaba (Lanƙwasa I-V):Wannan jadawali zai nuna alaƙar ma'auni ta al'ada na diode. Lanƙwasa tana ba masu ƙira damar ƙayyade ƙarfin tuƙi da ake buƙata don ƙarfin aiki da ake so, wanda ke da mahimmanci don ƙirar masu tuƙi masu tsayayyen ƙarfin lantarki.
• Ƙarfin Hasken vs. Ƙarfin Gaba (Lanƙwasa I-L):Wannan yana nuna yadda fitowar haske ke ƙaruwa tare da ƙarfin lantarki. Gabaɗaya yana layi daya a kan kewayon amma zai cika a cikin ƙarfin lantarki mai yawa saboda zafi da raguwar inganci.
• Ƙarfin Hasken vs. Yanayin Yanayi:Wannan lanƙwasa tana nuna yadda fitowar haske ke raguwa yayin da zafin haɗin ya tashi. Fahimtar wannan raguwa yana da mahimmanci ga aikace-aikacen da ke aiki a cikin yanayin zafi mai girma.
• Rarraba Bakan:Jadawali na ƙarfin dangi da tsawon raƙuman ruwa, yana nuna kololuwa a ~650nm da kuma ~20nm rabin faɗi, yana tabbatar da ƙayyadaddun launin Hyper Red.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin

Na'urar tana da tsawon lamba 0.56-inch (14.2 mm). Zanen girma (ba cikakken cikakkun bayanai a cikin rubutu ba) zai ba da ma'auni mai mahimmanci don ƙirar sawun PCB: tsawon gabaɗaya, faɗi, da tsayi; tazarar lamba zuwa lamba; girma sassa; da tsawon ƙusa, diamita, da tazara. Bayanan sun ƙayyade duk girma suna cikin millimeters tare da juzu'in gabaɗaya na ±0.25 mm. Muhimmin bayanin shine juzu'in motsin ƙusa na ±0.4 mm, wanda ke ba da shawarar ƙirar ramukan ƙusa na uwa tare da diamita (ψ) na 1.0 mm don ɗaukar wannan yuwuwar kuskuren shiga.

5.2 Haɗin Ƙusa da Polarity

LTC-5623JD yana amfani daanode gama garitsari. Wannan yana nufin anodes na LED na kowane lamba suna haɗuwa tare a ciki kuma an fitar da su zuwa ƙusa daban-daban (Lambobi 1-4), yayin da cathodes na kowane nau'in sashe (A-G, DP) aka raba a duk lambobi kuma an fitar da su zuwa ƙusa ɗaya. Tsarin ƙusa shine kamar haka: Ƙusa 1: Cathode E, Ƙusa 2: Cathode D, Ƙusa 3: Cathode DP, Ƙusa 4: Cathode C, Ƙusa 5: Cathode G, Ƙusa 6: Anode Gama Gari Lamba 4, Ƙusa 7: Cathode B, Ƙusa 8: Anode Gama Gari Lamba 3, Ƙusa 9: Anode Gama Gari Lamba 2, Ƙusa 10: Cathode F, Ƙusa 11: Cathode A, Ƙusa 12: Anode Gama Gari Lamba 1. Zanen da'irar ciki zai nuna wannan tsarin haɗawa a sarari.

6. Jagororin Solder da Taro

Babban jagora da aka bayar shine iyakar zafin solder: matsakaicin 260°C na matsakaicin dakika 3, ana auna 1.6mm ƙasa da farfajiyar zama. Wannan shine daidaitaccen bayanin martaba don solder sake karkarwa maras gubar. Dole ne masu ƙira su tabbatar tsarin taron PCB ɗin su ya bi wannan iyaka don hana fashewar kunshin, nakasar ruwan tabarau, ko lalata guntu na ciki da haɗin wayoyi. Don solder na igiyar ruwa, lokacin tuntuɓar ya kamata a rage shi. Ana kuma ba da shawarar sarrafa daidai don guje wa fitar da wutar lantarki (ESD), ko da yake ba a bayyana a sarari ba, kamar yadda LED su ne na'urorin semiconductor.

7. Shawarwarin Aikace-aikace da Abubuwan Ƙira

7.1 Da'irorin Aikace-aikace na Al'ada

Don nuni na anode gama gari, da'irar tuƙi yawanci ta ƙunshi haɗa ƙusoshin anode gama gari zuwa wadataccen ƙarfin lantarki mai kyau (Vcc) ta hanyar transistor zaɓin lamba (misali, PNP ko P-channel MOSFETs). Ƙusoshin cathode na sashe ana haɗa su zuwa ƙasa ta hanyar resistors masu iyakancewar ƙarfin lantarki da transistor masu tuƙi na sashe ko takamaiman IC mai tuƙa LED. Ana amfani da dabarar haɗawa: ana haskaka lamba ɗaya a lokaci guda ta hanyar kunna anodinta, yayin da ake kunna cathodes masu dacewa don lambar da ake so na wannan lamba. Wannan zagaye yana maimaitawa cikin sauri a duk lambobi huɗu, yana haifar da tunanin cewa duk lambobi suna haskakawa lokaci ɗaya. Wannan hanyar tana rage adadin ƙusoshin tuƙi da ake buƙata daga 32 (4 lambobi * 8 sassa) zuwa 12 (4 anodes + 8 cathodes).

7.2 Lissafin Ƙira

Lissafin Resistor Mai Iyakancewar Ƙarfin Lantarki:Ana ɗauka wadataccen ƙarfin lantarki 5V (Vcc), matsakaicin ƙarfin wutar gaba na sashe (Vf) na 2.6V, da kuma ƙarfin sashe da ake so (Iseg) na 10 mA don haske na al'ada. Ƙimar resistor R = (Vcc - Vf) / Iseg = (5 - 2.6) / 0.01 = 240 Ω. Matsayin ƙarfin resistor ya kamata ya kasance aƙalla I²R = (0.01)² * 240 = 0.024 W, don haka resistor na al'ada 1/8W ko 1/10W ya isa.

Matsakaicin Ƙarfin Lantarki a cikin Haɗawa:Don cimma matsakaicin ƙarfin sashe na 10 mA tare da aikin alhaki 1/4 (don lambobi huɗu), matsakaicin ƙarfin lantarki yayin lokacin aikinsa zai buƙaci zama 40 mA. Wannan yana cikin cikakkiyar matsakaicin ƙimar ƙarfin lantarki na 90 mA amma dole ne a duba shi da raguwar ƙarfin ci gaba idan nuni yana aiki a cikin yanayi mai zafi.

7.3 Kusurwar Kallo da Karantawa

Ƙayyadaddun faɗin kusurwar kallo yana tabbatar da cewa nuni yana ci gaba da karantawa lokacin da aka duba shi daga gefe. Fuskar launin toka da sassa fari suna haɓaka bambanci, suna sa lambobin su fito fili a kan bangon baya, wanda ke da amfani a cikin yanayi mai duhu da haske.

8. Kwatancen Fasaha da Bambance-bambance

LTC-5623JD ya bambanta kansa ta hanyar abubuwa da yawa. Amfani daAlInGaP Hyper Redfasaha gabaɗaya yana ba da ingantaccen inganci na haske da mafi kyawun kwanciyar hankali na zafin jiki idan aka kwatanta da tsofaffin fasahorin LED ja kamar GaAsP, yana haifar da fitarwa mai haske da mafi daidaito. Datsawon lamba 0.56-inchya sanya shi a cikin takamaiman nau'in girman, ya fi girma fiye da nunin 0.3-inch don mafi kyawun gani a nesa, amma yana iya zama ƙarami fiye da nunin 1-inch da ake amfani da su a cikin manyan panel. Datsarin lambobi huɗu, anode gama gari tare da goma na hannun damadaidaitaccen fasali ne amma mahimmanci don yawancin aikace-aikacen nuni na lambobi. Dafaɗin kewayon zafin aiki(-35°C zuwa +105°C) ya sa ya dace da yanayin masana'antu da na mota inda matsanancin zafin jiki ya zama ruwan dare, yana ba da fa'ida akan nunin da ke da ƙunƙuntaccen kewayon.

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

Q: Shin zan iya tuƙa wannan nuni kai tsaye daga ƙusa na microcontroller?

A: A'a. Ƙusa na MCU na al'ada na iya samar da/ɗaukar 20-25mA kawai, wanda shine jimillar ƙusa. Tunda wannan nuni yana amfani da haɗawa, sashe ɗaya na iya buƙatar 10-40mA, kuma anode gama gari don lamba gabaɗaya zai buƙaci jimillar ƙarfin lantarki don duk sassan da aka haskaka (misali, 8 sassa * 10mA = 80mA). Don haka, transistor na waje ko takamaiman IC mai tuƙa wajibi ne.

Q: Me yasa akwai bambanci tsakanin Matsakaicin Tsawon Tsinkaya (650nm) da Matsakaicin Tsawon Tsinkaya (639nm)?

A> Matsakaicin tsawon raƙuman ruwa shine kololuwar zahiri na bakan hasken da aka fitar. Ana ƙididdige tsawon raƙuman ruwa mai rinjaye bisa ga lanƙwasan amsawar ido na ɗan adam (CIE). Ido yana da ƙarin hankali ga wasu tsawon raƙuman ruwa, don haka launin da ake "gani" (mai rinjaye) na iya kasancewa a wani tsawon raƙuman ruwa daban da kololuwar zahiri.

Q: Zafin ma'ajiyar ya kai 105°C. Shin zan iya solder shi a 260°C?

A> Ee, amma tare da mahimmanci lokaci. Ƙimar ajiya don dogon lokaci ne, yanayin da ba a aiki ba. Ƙimar solder (260°C na 3s) ɗan gajeren lokaci ne, tsarin zafi mai tsanani wanda aka ƙera kunshin don jurewa idan an bi bayanin martaba sosai. Wuce lokaci ko zafin jiki na iya haifar da lalacewa.

10. Nazarin Shari'ar Ƙira da Amfani

Yanayi: Ƙirar Karatun Voltmeter na Dijital.Mai ƙira yana ƙirƙirar voltmeter DC mai lambobi 4 tare da kewayon 0-20V. Sun zaɓi LTC-5623JD saboda karantuwarsa mai tsabta. Mai canza analog-zuwa-dijital (ADC) da microcontroller suna sarrafa ƙarfin shigarwa. Firmware na MCU yana ƙididdige lambobin da za a nuna (misali, 12.34) kuma yana sarrafa nuni ta hanyar tsarin haɗawa. Ƙusoshin anode gama gari ana haɗa su zuwa MCU ta hanyar transistor na PNP don canza wadataccen ƙarfin lantarki 5V zuwa kowane lamba a jere. Ƙusoshin cathode na sashe ana haɗa su zuwa MCU ta hanyar rijistar motsi na 74HC595 ko takamaiman mai tuƙa LED kamar MAX7219, wanda kuma yana ba da magudanan ƙarfin lantarki na tsayayye. Ana sanya resistors masu iyakancewar ƙarfin lantarki a jere tare da layukan sassa. Firmware yana tabbatar da ƙimar sabunta ta kasance sama da 60 Hz don guje wa flicker da ake iya gani. Faɗin kewayon zafin aiki yana ba da damar voltmeter don amfani a cikin garejin ma'aikata inda zafin jiki zai iya bambanta sosai.

11. Ka'idar Aiki

Na'urar tana aiki akan ka'idar electroluminescence a cikin haɗin p-n na semiconductor. Lokacin da aka yi amfani da ƙarfin wutar gaba wanda ya wuce kofa na diode (kusan 2.1-2.6V don wannan kayan AlInGaP) a kan sashe (anode mai kyau dangane da cathode), ana shigar da electrons da ramuka cikin yanki mai aiki inda suke sake haɗuwa. A cikin semiconductor mai faɗin bandgap kai tsaye kamar AlInGaP, wannan sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na AlInGaP yana ƙayyade ƙarfin bandgap, wanda kuma yana ƙayyade tsawon raƙuman ruwa (launi) na hasken da aka fitar, a wannan yanayin, Hyper Red (~639-650 nm). Kunshin filastik yana aiki don ɗaukar da kare guntu na semiconductor mai rauni, da siffanta fitowar haske don mafi kyawun kallo, da kuma samar da hanyar haɗin injiniya (ƙusa) don hawa allon da'ira.

12. Trends na Fasaha

Duk da yake nunin sassa bakwai sun kasance babban abu don karatun lambobi, faɗin yanayin gabaɗaya yana ci gaba. Akwai yanayin zuwa ga haɗin kai mafi girma, inda na'urorin tuƙi ke cikin cikin na'urar nuni da kanta, yana sauƙaƙa ƙirar tsarin mai masaukin baki. Amfani da AlInGaP don ja/lemu/amber ya daɗe, amma don cikakken iyawar launi, nunin na iya haɗa fasahorin LED daban-daban (misali, InGaN don shuɗi/kore) ko matsawa zuwa panel ɗin OLED ko micro-LED matrix ɗin da ke ba da mafi yawan sassauci wajen nuna haruffa da zane-zane. Duk da haka, don aikace-aikacen da ke buƙatar babban haske sosai, faɗin kewayon zafin jiki, dogon rayuwa, da sauƙi, nunin LED bakwai mai sassa bakwai kamar LTC-5623JD suna ci gaba da zama ingantaccen mafita mai tsada. Ci gaban kunshin na iya haifar da ƙananan siffofi ko nau'ikan hawa na saman don taron kai tsaye.