LTP-2557JD 5x7 Tsarin Matrix LED Display Datasheet - Tsawon 2.0 Inch - AlInGaP Ja - 2.6V Farashin Gaba - Takardun Fasaha na Hausa

1. Bayanin Samfur

LTP-2557JD tsari ne na matrix LED mai tsari 5x7, wanda aka tsara don nuna haruffa da alamomi. Babban aikinsa shine samar da bayyanannen fitarwa mai dogaro a cikin aikace-aikacen lantarki daban-daban da ke buƙatar bayanin haruffa ko zane mai sauƙi.

1.1 Fa'idodi na Asali da Kasuwar Manufa

Wannan na'urar tana ba da fa'idodi masu mahimmanci da suka sa ta dace da aikace-aikacen masana'antu, kasuwanci, da kayan aikin ma'auni. Ƙarancin buƙatun wutar lantarki fa'ida ce mai mahimmanci ga ƙirar da ake amfani da baturi ko mai hankali kan makamashi. Tsarin ƙwaƙƙwaran ƙirar yana tabbatar da dogon rayuwa mai aminci, saboda babu sassa masu motsi ko filaments da zasu lalace. Faɗin kusurwar kallo da tsarin tsari ɗaya ya ba da damar bayyane daga wurare daban-daban, wanda ke da mahimmanci ga mu'amalar mai amfani da alamomin yanayi. An rarraba na'urar don ƙarfin haske, yana ba da daidaito a cikin haske a cikin batutuwan samarwa. Dacewarta da daidaitattun lambobin haruffa (ASCII da EBCDIC) da ikon tara su a kwance suna sa ta zama mai fa'ida don ƙirar nunin haruffa da yawa ko zane mai sauƙi. Kasuwar manufa ta haɗa da tashoshin tallace-tallace, kwamfitin sarrafa masana'antu, kayan aikin gwaji da ma'auni, na'urorin likita, da duk wani aikace-aikacen da ke buƙatar nunin haruffa mai ƙarfi da sauƙi.

2. Zurfin Bayanan Fasaha

Sasannin masu zuwa suna ba da cikakken bincike na ainihin sigogin fasaha na na'urar kamar yadda aka ayyana a cikin takardar bayanai.

2.1 Halayen Hoto da Na Gani

Nunin yana amfani da guntuwar LED ja mai inganci na AlInGaP (Aluminum Indium Gallium Phosphide). Wannan kayan semiconductor an san shi da ingantaccen haske da kyakkyawan aiki a cikin bakan ja zuwa amber. An ƙera guntu a kan wani abu marar gani na GaAs (Gallium Arsenide). Kunshin yana da fuskar launin toka tare da fararen ɗigo, wanda ke haɓaka bambanci da karantawa.

• Matsakaicin Ƙarfin Hasken (I_V): Ya kewayo daga mafi ƙarancin 1300 µcd zuwa na yau da kullun 3000 µcd lokacin da aka motsa shi da madaidaicin igiyar ruwa (I_p) na 32mA tare da zagayowar aiki 1/16. Wannan siga tana ayyana hasken da aka gani na ɗigon da aka kunna.
• Matsakaicin Tsawon Tsawon Tsawon (λ_p): Yawanci 656 nm. Wannan shine tsawon zango inda fitowar ƙarfin gani ya fi girma.
• Mafi Girman Tsawon Tsawon (λ_d): Yawanci 640 nm. Wannan shine tsawon zango guda ɗaya wanda ya fi bayyana launin da idon ɗan adam ya gani, wanda shine ja mai cikakken launi.
• Rabin Faɗin Layin Bakan (Δλ): Yawanci 22 nm. Wannan yana nuna tsaftar bakan ko faɗin hasken da aka fitar; ƙaramin ƙima yana nuna fitarwa mai launi ɗaya.
• Matsakaicin Daidaitawar Ƙarfin Hasken (I_V-m): Matsakaicin 2:1. Wannan yana ƙayyadad da matsakaicin rabo da aka yarda tsakanin mafi haske da mafi duhu a cikin tsari, yana tabbatar da kamanni iri ɗaya.

2.2 Sigogin Lantarki

Halayen lantarki suna ayyana iyakokin aiki da yanayi don na'urar.

• Farashin Gaba kowace ɗigo (V_F): Yawanci 2.6V, tare da matsakaicin 2.6V a madaidaicin igiyar ruwa (I_F) na 20mA. Wannan shine raguwar ƙarfin lantarki a kan LED lokacin da yake gudana.
• Madaidaicin Igawar Baya kowace ɗigo (I_R): Matsakaicin 100 µA a madaidaicin ƙarfin lantarki (V_R) na 5V. Wannan shine ƙaramin igiyar ruwa da ke gudana lokacin da LED ya kasance a baya.
• Matsakaicin Igawar Gaba kowace ɗigo: 13 mA matsakaici a 25°C. Wannan shine madaidaicin igiyar ruwa ta DC da aka ba da shawarar don aiki mai aminci.
• Matsakaicin Igawar Gaba kowace ɗigo: 90 mA matsakaici. Wannan shine cikakken madaidaicin igiyar ruwa ta nan take, yawanci yana da alaƙa da aikin bugun jini.

2.3 Cikakkun Ma'auni da Abubuwan Zafi

Waɗannan ma'auni suna ayyana iyakokin damuwa waɗanda sama da su lalacewa na dindindin na iya faruwa. Ba a ba da shawarar aiki a waje da waɗannan iyakokin ba.

• Matsakaicin Ragewar Wutar Lantarki kowace ɗigo: 33 mW matsakaici.
• Kewayon Yanayin Zafin Aiki: -35°C zuwa +85°C. An tsara na'urar don yin aiki a cikin wannan kewayon yanayin zafi.
• Kewayon Yanayin Zafin Ajiya: -35°C zuwa +85°C.
• Ragewar Igawar Ruwa: Dole ne a rage matsakaicin igiyar ruwa ta gaba a layi daga 13 mA a 25°C da 0.17 mA/°C yayin da yanayin zafi ya karu. Wannan yana da mahimmanci ga sarrafa zafi da hana yin zafi.
• Zafin Solder: Na'urar na iya jure 260°C na dakika 3 a wani batu 1/16 inch (kusan 1.6mm) a ƙasan filin zama yayin solder.

3. Bayanin Injiniya da Kunshin

3.1 Girman Jiki

Na'urar tana da tsayin matrix na 2.0 inches (50.80 mm). An ba da girman kunshin a cikin takardar bayanai tare da duk ma'aunin a cikin milimita. Tolerances yawanci ±0.25 mm sai dai idan an faɗi akasin haka. Ainihin shaci, tazarar fil, da cikakken sawun suna da mahimmanci ga shimfidar PCB (Kwamitin Kewayawa da aka Buga) da haɗin injiniya.

3.2 Haɗin Fil da Da'irar Ciki

Nunin yana da tsarin fil 14. Pinout kamar haka: Fil 1: Anode Layi 5, Fil 2: Anode Layi 7, Fil 3: Cathode Gini 2, Fil 4: Cathode Gini 3, Fil 5: Anode Layi 4, Fil 6: Cathode Gini 5, Fil 7: Anode Layi 6, Fil 8: Anode Layi 3, Fil 9: Anode Layi 1, Fil 10: Cathode Gini 4, Fil 11: Cathode Gini 3 (Lura: Aiki mai maimaitawa, mai yiwuwa la'akari da bayanin takardar bayanai), Fil 12: Anode Layi 4 (Maimaitawa), Fil 13: Cathode Gini 1, Fil 14: Anode Layi 2.

Zanen da'irar ciki yana nuna daidaitaccen tsarin matrix na cathode gama gari. An haɗa ginshiƙai zuwa cathodes, kuma layukan an haɗa su zuwa anodes. Wannan tsarin yana ba da damar haɗawa, inda ɗigo guda ɗaya (mahadar layin da aka kunna da ginshiƙin da aka kafa) ke haskakawa a kowane lokaci. Ta hanyar bincika layuka da ginshiƙai cikin sauri, dagewar hangen nesa yana haifar da tunanin harafi mai tsayayye.

4. Jagororin Aikace-aikace da Abubuwan Ƙira

4.1 Turawa Nunin

Don sarrafa matrix 5x7, ana buƙatar da'irar turawa mai haɗawa. Wannan yawanci ya ƙunshi microcontroller ko keɓaɓɓen direban nunin IC. Dole ne direban ya kunna kowane layi (anode) a jere yayin ba da bayanan ginshiƙi (cathode) masu dacewa don wannan layin. Madaidaicin igiyar ruwa kowace ɗigo (I_p) na 32mA da aka ambata a cikin yanayin gwaji don ƙarfin haske ana samun shi ta hanyar aikin bugun jini a ƙaramin zagayowar aiki (1/16). Dole ne a kiyaye matsakaicin igiyar ruwa kowace ɗigo a cikin ma'auni na 13 mA. Misali, turawa tare da zagayowar aiki 1/8 zai buƙaci madaidaicin igiyar ruwa ta bugun jini ya zama kusan 104 mA don samun matsakaicin 13 mA, wanda ya wuce ma'auni na 90 mA. Saboda haka, lissafin yankakken zagayowar aiki da madaidaicin igiyar ruwa yana da mahimmanci. Ana buƙatar resistor mai iyakance igiyar ruwa a jere don kowane layin ginshiƙi ko layi don saita igiyar ruwa daidai.

4.2 Gudanar da Zafi da Solder

Bin cikakkun ma'auni yana da mahimmanci. Dole ne a bi lankwasa ragewar igiyar ruwa idan na'urar tana aiki a cikin yanayin zafi mai girma. Yayin haɗin PCB, bai kamata a wuce ƙayyadadden bayanin solder (260°C na dakika 3) ba don guje wa lalata kunshin filastik ko haɗin waya na ciki. Daidaitaccen shimfidar PCB tare da isasshen yanki na tagulla na iya taimakawa wajen watsar da zafi, musamman idan an haskaka ɗigo da yawa lokaci guda na tsawon lokaci.

4.3 Tattarawa don Nunin Haruffa da Yawa

Takardar bayanai ta ambaci na'urar tana iya tattarawa a kwance. Wannan yana nufin cewa ana iya sanya raka'o'i da yawa a gefe don samar da saƙonni masu tsayi. A aikace, wannan yana buƙatar ƙirar PCB mai hankali don daidaita kayan aiki da da'irar direban da ke iya magance ƙarar adadin layuka da ginshiƙai (misali, don kayan aiki biyu, za ku sami layuka 7 amma ginshiƙai 10). Dole ne software ɗin direban ya sarrafa faɗaɗa ma'ajiyar nunin daidai.

5. Binciken Lankwasa Aiki

Takardar bayanai tana nuni zuwa lankwasun halaye na lantarki/na gani na yau da kullun. Duk da yake ba a ba da takamaiman jadawali a cikin rubutun ba, daidaitattun lankwasu don irin waɗannan na'urori yawanci za su haɗa da:

• Madaidaicin Igawar Ruwa vs. Farashin Gaba (I_F-V_FLankwasa): Yana nuna alaƙar ma'auni, mai mahimmanci don ƙirar da'irar turawa da zaɓar ƙimar resistor mai iyakance igiyar ruwa da ta dace.
• Ƙarfin Hasken vs. Madaidaicin Igawar Gaba (I_V-I_FLankwasa): Yana nuna yadda fitowar haske ke ƙaruwa tare da igiyar ruwa, yawanci a cikin alaƙar kusa da layi a cikin kewayon aiki kafin raguwar inganci ya faru.
• Ƙarfin Hasken vs. Yanayin Zafin Yanayi: Yana kwatanta raguwar fitowar haske yayin da zafin haɗin ya tashi, yana nuna mahimmancin sarrafa zafi.
• Rarraba Bakan: Zane na matsakaicin ƙarfi da tsawon zango, yana nuna kololuwa a ~656 nm da faɗin bakan.

6. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tsofaffin fasahohi kamar GaAsP (Gallium Arsenide Phosphide) LED ja, fasahar AlInGaP da aka yi amfani da ita a cikin LTP-2557JD tana ba da ingantaccen haske sosai, yana haifar da fitarwa mai haske don irin wannan igiyar ruwa ta shigarwa. Kunshin fuskar launin toka/farin ɗigo yana ba da mafi kyawun bambanci fiye da duk ja ko duk-kunshin bayyananne, musamman a cikin yanayi mai haske mai yawa. Tsayin harafi na 2.0-inch daidaitaccen girma ne don karantawa ta matsakaicin nisa, ya fi girma fiye da yawancin kayan aiki na 0.56-inch ko 1-inch da ake amfani da su a cikin na'urori masu ƙarfi, yana sa ya dace da aikace-aikacen da ake buƙatar karanta nunin daga nisan ƙafa da yawa.

7. Tambayoyin da ake yawan yi (Dangane da Sigogin Fasaha)

Q: Shin zan iya turawa wannan nunin tare da madaidaicin igiyar ruwa ta DC ba tare da haɗawa ba?

A: A fasaha, zaku iya kunna ɗigo ɗaya ci gaba, amma don nuna cikakken hali, haɗawa yana da mahimmanci saboda tsarin matrix. Turawa duk ɗigo 35 lokaci guda a matsakaicin igiyar ruwa zai buƙaci babban jimillar igiyar ruwa da watsar wutar lantarki, wanda ba shi da amfani kuma mai yiwuwa ya wuce iyakokin kunshin.

Q: Menene bambanci tsakanin tsayin zango (656 nm) da tsayin zango mafi girma (640 nm)?

A> Tsayin zango shine kololuwar jiki na bakan da aka fitar. Tsayin zango mafi girma shine wurin launi da aka gani akan zanen launi na CIE. Bambancin ya samo asali ne saboda siffar bakan fitarwa da rashin daidaituwar hankalin idon ɗan adam (amshan haske). Tsayin zango mafi girma ya fi dacewa don bayyana launin da mai amfani ya gani.

Q: Ta yaya zan lissafa resistor na jere da ake buƙata?

A> Kuna buƙatar ƙarfin lantarki (V_CC), farashin gaba na LED (V_F, yi amfani da 2.6V), da madaidaicin igiyar ruwa da ake so (I_F). Don haɗawa, yi amfani da madaidaicin igiyar ruwa (I_p) wanda ya dace da yankakken zagayowar aikinku don samun matsakaicin igiyar ruwa da ake so. Ƙimar resistor R = (V_CC- V_F) / I_p. Tabbatar cewa ƙimar wutar lantarki na resistor ya isa don wutar lantarki ta bugun jini.

8. Gabatarwar 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 lantarki na gaba wanda ya wuce kofa na diode, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki (AlInGaP Layer), suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na AlInGaP yana ƙayyade makamashin bandgap don haka tsawon zango (launi) na hasken da aka fitar. An sami tsarin matrix ta hanyar ƙirƙira guntuwar LED guda ɗaya da yawa da haɗa anodes da cathodes ɗinsu a cikin tsarin grid, yana ba da damar sarrafa kowane mahadar (ɗigo) ta hanyar na'urorin lantarki na waje.

9. Bayanin Kunshin da Oda

Takardar bayanai ta ƙayyade lambar sashi a matsayin LTP-2557JD. Suffix "JD" na iya nuna takamaiman binning don ƙarfin haske ko wasu sigogi. Don daidaitaccen oda, ya kamata a yi amfani da cikakken lambar sashi daga tsarin masana'anta. Daidaitaccen kunshin don irin waɗannan sassan yawanci kaset-da-reel ne don haɗawa ta atomatik ko trays/bujuru don ƙirar samfuri na hannu.