LTP-1557KF 5x7 Tsarin LED Matrix Display Datasheet - Tsawon Inci 1.2 - Kalar Yellow-Orange - Halin Gudun 20mA - Takardar Fasaha ta Turanci

1. Bayanin Samfur

LTP-1557KF shine na'urar nuni ta lamba guda, wacce aka gina ta amfani da tsarin matrix 5x7. Ayyukanta na asali shine nuna haruffa, alamomi, ko zane-zane masu sauƙi ta hanyar kunna ɗigon LED ɗaya ɗaya. Fasahar cibiyar tana amfani da kayan semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide) don samar da hasken yellow-orange. Wannan na'urar tana da fuskar fuska mai launin toka tare da launin farin ɗigo, wanda ke haɓaka bambanci don ingantaccen karantawa. An tsara shi don aiki mai ƙarancin wutar lantarki kuma yana ba da fa'idar kallon faɗi, wanda ya sa ya dace da aikace-aikace daban-daban na nuni da bayanai inda ake buƙatar fitarwar haruffa mai tsabta, monochrome.

1.1 Fa'idodi na Cibiya da Kasuwa da Ake Nufi

Manyan fa'idodin wannan nuni sun haɗa da amincin ƙwaƙƙwaran jiki, ƙarancin buƙatun wutar lantarki, da dacewa da daidaitattun lambobin haruffa kamar USASCII da EBCDIC. Ƙirar jirgin sama ɗaya da faɗin kallon suna tabbatar da kyakkyawan gani daga ra'ayoyi daban-daban. Hakanan an rarraba shi don ƙarfin haske, yana ba da damar daidaita haske a cikin aikace-aikacen na'ura da yawa, kuma ana ba da shi a cikin fakitin da ba shi da gubar wanda ya dace da umarnin RoHS. Manyan kasuwannin da ake nufi sun haɗa da kwamfutocin sarrafa masana'antu, kayan aikin ma'auni, tashoshin siyarwa, nunin bayanai na asali, da tsarin da aka saka inda ake buƙatar nuni mai sauƙi, amintacce, da arha.

2. Bincike Mai zurfi na Sigogi na Fasaha

Wannan sashe yana ba da cikakken fassarar ma'auni na lantarki da na gani da aka ƙayyade a cikin takardar bayanan, yana bayyana mahimmancinsu ga injiniyoyin ƙira.

2.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙididdiga suna ayyana iyakokin damuwa waɗanda sama da su lalacewar dindindin na na'urar na iya faruwa. Ba don aiki na yau da kullun ba ne.

• Rushewar Wutar Lantarki a kowane Sashi:260°C na dakika 3 a inci 1/16 (kusan 1.6mm) ƙasa da matakin wurin zama. Wannan yana da mahimmanci ga hanyoyin solder na igiyar ruwa ko sake karkatarwa don guje wa lalacewar zafi ga fakitin filastik da haɗin gwiwa na ciki.
• Matsakaicin Halin Yanzu na Gaba a kowane Sashi:60 mA matsakaici, amma kawai a ƙarƙashin yanayin bugun jini (1 kHz, 10% aikin aiki). Wannan yana ba da damar ɗan gajeren lokaci mafi girma na bugun jini don haɗawa ko samun mafi girman haske na nan take.
• Ci gaba da Halin Yanzu na Gaba a kowane Sashi:25 mA matsakaici a 25°C. Wannan shine ma'auni mai mahimmanci don aiki mai tsayayye, mara bugun jini. Ma'aunin raguwar 0.28 mA/°C yana nuna cewa dole ne a rage matsakaicin halin yanzu mai yuwuwar ci gaba yayin da yanayin yanayi (Ta) ya karu sama da 25°C don hana zafi mai yawa.
• Juyawar Ƙarfin Lantarki a kowane Sashi:5 V matsakaici. Wucewa wannan na iya rushe haɗin PN na LED.
• Yanayin Aiki & Ma'ajiyar Zazzabi:-35°C zuwa +105°C. Wannan yana ayyana iyakokin muhalli don aiki mai aminci da ajiyar aiki.
• Yanayin Solder:°C for 3 seconds at 1/16 inch (approx. 1.6mm) below the seating plane. This is critical for wave or reflow soldering processes to avoid thermal damage to the plastic package and internal bonds.

2.2 Halayen Lantarki & Na Gani (a Ta=25°C)

Waɗannan sune ma'auni na yau da kullun da aka garantiyya a ƙarƙashin ƙayyadaddun yanayin gwaji.

• Matsakaicin Ƙarfin Hasken Hasken (I_V):55 zuwa 170 μcd (min), 99 zuwa 200 μcd (typ) a I_F=20mA. Wannan faɗin kewayon yana nuna cewa an rarraba na'urar ko an rarraba ta. Dole ne masu ƙira su yi la'akari da wannan bambance-bambance a cikin tsarin hasken tsarin. An sake bita yanayin gwaji daga 1mA zuwa 20mA, yana daidaita ƙayyadaddun tare da mafi daidaitaccen halin tuƙi.
• Matsakaicin Tsawon Tsawon Tsawon (λ_p):611 nm (typ). Wannan shine tsawon zango wanda fitowar bakan ya fi ƙarfi.
• Rabin Faɗin Layin Bakan (Δλ):17 nm (typ). Wannan yana auna yaduwar bakan da aka fitar; ƙaramin ƙima yana nuna haske mafi monochromatic (launi mai tsabta).
• Matsakaicin Tsawon Tsawon (λ_d):605 nm (typ). Wannan shine tsawon zango guda ɗaya wanda idon ɗan adam ya gane, yana ayyana launin a matsayin yellow-orange.
• Ƙarfin Lantarki na Gaba a kowane Dot (V_F):2.05V (min), 2.6V (typ) a I_F=20mA. Wannan yana da mahimmanci don ƙirar da'irar iyakance halin yanzu. Dole ne ƙarfin wutar lantarki ya fi girma fiye da V_F don daidaita halin yanzu yadda ya kamata.
• Juyawar Halin Yanzu a kowane Dot (I_R):100 μA matsakaici a V_R=5V. Ƙaramin halin yanzu na baya yana da kyau.
• Matsakaicin Daidaitawar Ƙarfin Hasken Hasken:2:1 matsakaici don yankin haske mai kama. Wannan yana nufin cewa mafi haske a cikin tsararrun bai kamata ya fi haske sau biyu fiye da mafi duhu ba, yana tabbatar da kamanni iri ɗaya.

3. Bayanin Tsarin Binning

Takardar bayanan tana nuna cewa an "Rarraba don Ƙarfin Hasken Hasken." Wannan yana nuna cewa an yi amfani da tsarin binning, kodayake ba a jera takamaiman lambobin kwandon a nan ba.

• Binning na Ƙarfin Hasken Hasken:Ƙayyadadden kewayon I_V (55-170 μcd min, 99-200 μcd typ) yana nuna cewa an rarraba samfuran zuwa ƙungiyoyi bisa ga aunannin fitar haske a 20mA. Masu ƙira waɗanda ke samo raka'a da yawa yakamata su ƙayyade ko sanin kwandon don tabbatar da daidaiton haske a cikin nuni mai lamba da yawa.
• Binning na Tsawon Tsawon/Launi:Duk da yake ba a bayyana shi a sarari ba, samar da LED na yau da kullun ya haɗa da binning don tsayin zango (launi) don tabbatar da daidaiton gani. Matsakaicin ƙayyadaddun akan λ_d (605nm) da λ_p (611nm) suna nuna tsari mai sarrafawa.
• Binning na Ƙarfin Lantarki na Gaba:Ba a bayyana shi sosai ga nuni, amma kewayon V_F (2.05-2.6V) yana ayyana yaduwar ma'aunin lantarki.

4. Bincike na Lanƙwasa Aiki

Takardar bayanan tana nuni zuwa "Lanƙwasa Halayen Lantarki/Na Gani na Yau da Kullun" a shafi na ƙarshe. Duk da yake ba a ba da takamaiman jadawali a cikin rubutun ba, daidaitattun lanƙwasa don irin waɗannan na'urori za su haɗa da:

• Lanƙwasa I-V (Halin Yanzu-Ƙarfin Lantarki):Yana nuna alaƙar maɗaukaki tsakanin ƙarfin lantarki na gaba da halin yanzu. Ƙarfin lantarki na gwiwa yana kusa da 2V, daidai da fasahar AlInGaP.
• Ƙarfin Hasken Hasken vs. Halin Yanzu na Gaba (I_V vs. I_F):Zai nuna cewa fitar haske yana ƙaruwa kusan layi daya tare da halin yanzu har zuwa wani lokaci, bayan haka ingancin ya ragu.
• Ƙarfin Hasken Hasken vs. Yanayin Yanayi (I_V vs. T_a):Zai nuna raguwar fitar haske yayin da zafin haɗin gwiwa ya tashi, yana nuna mahimmancin sarrafa zafi da raguwar halin yanzu.
• Rarraba Bakan:Zanen matsakaicin ƙarfi vs. tsawon zango, yana nuna kololuwa kusa da 611nm da faɗin kusan 17nm a rabin matsakaicin ƙarfi.

5. Bayanin Injiniya da Fakitin

5.1 Girman Fakitin da Zane

Na'urar tana da daidaitaccen sawun fakitin biyu a cikin layi (DIP). Muhimman bayanan girma daga takardar bayanan: duk girma suna cikin milimita tare da juzu'i na gabaɗaya na ±0.25 mm sai dai idan an ƙayyade in ba haka ba. Wani takamaiman bayanin kula yana ambaton juzu'in motsin ƙugiya na ±0.4 mm, wanda ke da mahimmanci don sanya rami na PCB da yawan siyar da solder.

5.2 Zanen Da'irar Ciki da Haɗin Fil

Da'irar ciki ita ce matrix 5x7 na yau da kullun. Layukan layi (anodes) da ginshiƙai (cathodes) ana haɗa su. Teburin fitar fil yana da mahimmanci don daidaitaccen shimfidar PCB da ƙirar da'irar direba:

• Fil 1, 2, 5, 7, 8, 9, 12, 14 suna haɗawa zuwa Layukan Anode (1, 2, 3, 4, 5, 6, 7).
• Fil 3, 4, 6, 10, 11, 13 suna haɗawa zuwa Ginshiƙan Cathode (1, 2, 3, 4, 5).

Lura cewa wasu ayyuka an maimaita su akan fil daban-daban (misali, Layin Anode 4 akan fil 5 & 12, Ginshiƙi na Cathode 3 akan fil 4 & 11), wanda zai iya ba da sassauƙa na shimfidawa. Lambar fil mai yiwuwa tana bin takamaiman alkibla dangane da gefen kallon matrix dot.

6. Jagororin Solder da Taro

Babban jagora da aka bayar shine matsakaicin matsakaicin ƙimar solder: 260°C na dakika 3, wanda aka auna 1.6mm ƙasa da matakin wurin zama. Wannan shine daidaitaccen bayanin martabar solder na igiyar ruwa. Don sake karkatar da solder, yakamata a yi amfani da daidaitaccen bayanin martaba mara gubar tare da matsakaicin zafin jiki wanda bai wuce 260°C ba. Yana da mahimmanci don guje wa matsanancin damuwa na zafi don hana fashewar fakitin ko ɓarkewar. Yakamata a adana na'urori a cikin jakar shinge na danshi na asali har sai an yi amfani da su, musamman idan ba a ƙididdige su da matakin danshi (MSL) ba, kodayake takardar bayanan ba ta ƙayyade MSL ba.

7. Shawarwarin Aikace-aikace

7.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan nuni yana da kyau ga aikace-aikacen da ke buƙatar layi guda na haruffa alfanumerik: nunin matsayin kayan aikin masana'antu (misali, lambobin kuskure, saiti), na'urorin masu amfani, kayan aikin gwaji na hannu na asali, haɓaka tsarin gado, da kayan lantarki na ilimi.

7.2 Abubuwan da ake la'akari da ƙira

• Da'irar Tuƙi:Yana buƙatar direba mai haɗawa (misali, takamaiman IC nuni ko microcontroller tare da isassun I/O). Ana tuka kowane anode na layi a jere yayin da ake amfani da bayanai ga ginshiƙan cathode.
• Iyakance Halin Yanzu:Masu juriya na iyakance halin yanzu na waje wajibi ne ga kowane layin ginshiƙi (cathode) don saita I_F zuwa ƙimar aminci, yawanci 20mA ko ƙasa dangane da haske da buƙatun wutar lantarki. Ƙimar resistor R = (V_supply - V_F) / I_F.
• Wutar Lantarki:Dole ne ya samar da ƙarfin lantarki mafi girma fiye da matsakaicin V_F (2.6V) da ƙarar lantarki na kowane transistors direba. Wutar lantarki 5V ta zama ruwan dare.
• Kusurwar Dubawa:Faɗin kusurwar kallon yana da fa'ida amma yi la'akari da matsayin hawa dangane da mai amfani.
• Daidaiton Hasken Hasken:Ƙayyade kwandon ƙarfi idan daidaito a cikin raka'a da yawa yana da mahimmanci.

8. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tsofaffin matrices na GaAsP ko GaP LED, fasahar AlInGaP a cikin LTP-1557KF tana ba da inganci mafi girma da mafi kyawun tsabtar launi (yellow-orange mai cika). Idan aka kwatanta da matrices na gefen haske ko babban yawa na SMD na zamani, wannan na'urar ce ta al'ada, ta hanyar rami ta DIP wacce ke ba da sauƙin ƙirar ƙira da gyara. Babban bambancinta shine takamaiman tsayin harafi na inci 1.2, tsarin 5x7, da launin yellow-orange, wanda za a iya zaɓar don dacewa da gado, takamaiman buƙatun gani (yellow/orange na iya zama na musamman), ko tsadar aiki don aikace-aikace masu sauƙi inda ba a buƙatar cikakken launi ko iyawar zane.

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

Q: Shin zan iya tuka wannan nuni tare da halin yanzu na DC akai-akai akan kowane ɗigo?

A: A fasaha i, amma zai buƙaci tushe masu zaman kansu 35 (5x7). Wannan ba shi da inganci sosai. Haɗawa (duba) shine daidaitaccen hanyar da ake nufi, yana rage fil ɗin direba da ake buƙata da ɓarnar wutar lantarki a cikin IC direba.

Q: Me yasa Matsakaicin Halin Yanzu na Gaba (60mA) ya fi girma fiye da Halin Yanzu na Ci gaba (25mA)?

A: Wannan yana ba da damar haɗawa ta rarraba lokaci. Dot yana kan ɗan gajeren lokaci ne kawai na zagayowar dubawa (misali, 1/7th don duban layi 7). Kuna iya bugun mafi girma halin yanzu a cikin ɗan gajeren lokacinsa na "kan" don samun mafi girman matsakaicin haske da ake gani ba tare da wuce matsakaicin iyakar wutar lantarki (zafi) na guntu LED ba.

Q: Ƙarfin hasken yana da faɗin kewayon sosai (55-200 μcd). Ta yaya zan tabbatar da daidaiton haske a cikin samfura na?

A: Dole ne ko dai: 1) Siyan na'urori daga rukunin samarwa guda ɗaya ko ƙayyadadden kwandon ƙarfi, 2) Aiwatar da daidaitawar haske na software ko daidaitawa a cikin direba ɗin ku, ko 3) Yi amfani da daidaitawar halin yanzu na kayan aiki a kowane naúrar (wanda ba shi da amfani ga girma). Tattauna samuwar lambar kwandon tare da mai rarrabawa ko masana'anta.

Q: Ana buƙatar sinkon zafi?

A: Don aiki na yau da kullun a ko ƙasa da 20mA a kowane ɗigo kuma a cikin kewayon yanayin yanayi, ba a buƙatar sinkon zafi ga nuni da kansa. Duk da haka, daidaitaccen shimfidar PCB don ɓarkewar zafi daga abubuwan direba yana da mahimmanci. Ku bi lanƙwasa raguwar halin yanzu idan kuna aiki a cikin wurare masu zafi.

10. Misalan Ƙira da Amfani na Aiki

Nazarin Shari'a 1: Sauƙaƙan Mu'amala da Microcontroller.Microcontroller na asali na 8-bit zai iya tuka wannan nuni kai tsaye idan yana da aƙalla fil ɗin I/O 12 (7 don layuka, 5 don ginshiƙai). Layukan suna haɗewa ta hanyar masu juriya masu iyakance halin yanzu zuwa fil ɗin microcontroller waɗanda aka saita azaman fitarwa masu samar da halin yanzu (anodes). Ginshiƙan suna haɗawa zuwa fil ɗin da aka saita azaman fitarwa na buɗe rami ko aiki-ƙasa (cathodes). Firmware yana aiwatar da katsewar timer don duba layukan, yana ja da layi ɗaya a lokaci guda yayin saita ƙirar ginshiƙi don wannan layi daga teburin font da aka adana a cikin ROM.

Nazarin Shari'a 2: Yin amfani da Takamaiman IC Direba Nuni.Ga tsarin da ke da ƙayyadaddun fil ɗin microcontroller ko don cire sarrafawa, ana iya amfani da IC direba kamar MAX7219 ko HT16K33. Waɗannan ICs suna sarrafa duk haɗawa, ɓoyewa, da sarrafa haske ta hanyar sauƙaƙan mu'amala na serial (SPI ko I2C), suna buƙatar fil ɗin 2-4 kawai daga mai sarrafa mai gida. Hakanan sau da yawa suna haɗawa da fasalulluka kamar lumshe lamba da haɗa lamba da yawa, wanda ya dace da fasalin "stackable a kwance" na wannan nuni.

11. Gabatarwar Ƙa'idar Aiki

LTP-1557KF jeri ne na guntu LED AlInGaP masu zaman kansu 35 waɗanda aka tsara a cikin grid na ginshiƙai 5 da layuka 7, waɗanda aka ɗora a bayan abin rufe fuska mai launin toka tare da buɗaɗɗen 35 (ɗigo). Anode na kowane LED yana haɗe zuwa layin layi gama gari, kuma an haɗa cathode ɗinsa zuwa layin ginshiƙi gama gari. Don haskaka takamaiman ɗigo, ana tuka layin layinsa daidai zuwa ƙarfin lantarki mai kyau (ta hanyar iyaka), kuma an haɗa layin ginshiƙansa zuwa ƙaramin ƙarfin lantarki (ƙasa). Wannan tsarin matrix yana rage adadin fil ɗin haɗin da ake buƙata daga 35 (ɗaya kowane ɗigo) zuwa 12 (layuka 7 + ginshiƙai 5). Nuna harafi ya ƙunshi duban layuka cikin sauri (1-7) kuma, ga kowane layi, kunna LED ɗin ginshiƙai masu dacewa (1-5) waɗanda suka zama wani ɓangare na siffar harafin da ake so. Wannan haɗakarwa yana faruwa da sauri fiye da yadda idon ɗan adam zai iya gani, yana haifar da ingantaccen hoton harafi.

12. Trends na Fasaha da Mahallin

Nuni kamar LTP-1557KF suna wakiltar fasaha mai girma, kafaffe. Trends na yanzu a cikin nuni da nuni na alfanumerik suna matsawa zuwa fakitin na'urar hawa saman (SMD) don haɗawa ta atomatik, ƙarin yawan lambobi masu yawa, da haɗa masu sarrafawa kai tsaye akan PCB nuni (nuni "mai hankali"). Bugu da ƙari, cikakken launi na RGB LED matrices da nunin OLED suna zama mafi gasa na farashi don aikace-aikacen da ke buƙatar launi ko mafi kyawun bambanci. Duk da haka, sauƙaƙan monochrome dot matrix LEDs kamar wannan sun kasance masu dacewa sosai saboda amincinsu mai tsanani, sauƙi, ƙarancin farashi, haske mai girma, faɗin kewayon yanayin aiki, da tsawon rai—halayen da ke da mahimmanci a cikin aikace-aikacen masana'antu, motoci, da waje. Canjin zuwa AlInGaP daga tsofaffin kayan, kamar yadda aka gani a cikin wannan na'urar, ya kasance muhimmin mataki na inganta inganci da aikin launi a cikin wannan tsarin siffa na gargajiya.