ELD-512SURWB/S530-A3 LED Display Datasheet - Tsawon Lambobi 14.22mm - Ƙarfin Wutar Gaba 2.4V - Halin Gaba 25mA - Launin Ja Mai Haske

1. Bayyani Game da Samfur

ELD-512SURWB/S530-A3 nuni ne mai aminci sosai, mai nuna haruffa da lambobi bakwai wanda aka ƙera don hawa ta hanyar rami. Yana da girman masana'antu na yau da kullun tare da tsayin lambobi na 14.22mm (0.56 inci), wanda ya sa ya dace da aikace-aikacen da ke buƙatar karanta lambobi a sarari. Nuni yana amfani da sassan fari akan saman baƙi, yana ba da bambanci mai kyau da iya karantawa ko da a cikin yanayin haske mai haske. Ginin sa da kayan aikin sa sun yi daidai da ka'idojin muhalli marasa gubar da RoHS.

1.1 Fa'idodi na Asali da Kasuwar Da Ake Nufi

Babban fa'idodin wannan nuni sun haɗa da ƙarancin amfani da wutar lantarki, ƙa'idar ƙafa don sauƙin haɗawa cikin ƙirar da ke akwai, da rarrabe ƙarfin haske don aiki mai daidaito a cikin batutuwan samarwa. An gina shi don aminci a cikin yanayi mai wahala. Aikace-aikacen da ake nufi su ne da farko a cikin na'urorin lantarki na mabukaci da na masana'antu, gami da kayan aikin gida (misali, tanda, microwave), daban-daban allunan kayan aikin auna da sarrafawa, da nunin karatun lambobi na gabaɗaya inda ake buƙatar lambobi masu bayyanawa, masu iya karantawa.

2. Zurfin Binciken Sigogi na Fasaha

Wannan sashe yana ba da cikakken bincike, haƙiƙa game da halayen lantarki, na gani, da na zafi na na'urar kamar yadda aka ayyana a cikin matsakaicin ƙididdiga na iyaka da teburin halayen lantarki-gani.

2.1 Matsakaicin Ƙididdiga na Iyaka

An ƙididdige na'urar don matsakaicin halin gaba mai ci gaba (I_F) na 25 mA. Don aikin bugun jini tare da aikin aiki na 1/10 a 1 kHz, matsakaicin halin gaba (I_FP) zai iya kaiwa 60 mA. Matsakaicin ƙarfin wutar lantarki na baya (V_R) an iyakance shi zuwa 5 V; wuce wannan zai iya lalata haɗin LED. Matsakaicin ɓarnawar wutar lantarki (P_d) bai kamata ya wuce 60 mW ba. An ƙayyade kewayon zafin aiki daga -40°C zuwa +85°C, tare da faɗin kewayon zafin ajiya na -40°C zuwa +100°C. Na'urar na iya jure zafin gishiri na 260°C na matsakaicin tsawon lokaci na dakika 5, wanda ya dace da daidaitaccen sake kwarara maras gubar da hanyoyin gishiri na hannu.

2.2 Halayen Lantarki-Gani

A ƙarƙashin daidaitattun yanayin gwaji (Ta=25°C, I_F=10mA), matsakaicin ƙarfin haske (I_v) don sashin guda ɗaya shine 17.6 mcd, tare da mafi ƙarancin ƙayyadaddun ƙima na 7.8 mcd. Ƙarfin wutar lantarki na gaba (V_F) a 20mA yawanci 2.0V ne, tare da matsakaicin 2.4V. Launin da aka fitar ja ne mai haske, an cimma shi ta amfani da kayan guntu na AlGaInP (Aluminum Gallium Indium Phosphide). Matsakaicin tsawon zango (λ_p) yawanci 632 nm ne, kuma babban tsawon zango (λ_d) yawanci 624 nm ne, tare da faɗin bakan (Δλ) kusan 20 nm, yana ayyana tsafta da inuwar launin ja. Halin baya (I_R) yana da ƙasa sosai, tare da matsakaicin 100 µA a 5V baya bias.

2.3 Halayen Zafi

Aikin na'urar yana dogara da zafin jiki. Dole ne a rage halin gaba yayin da zafin yanayi ya ƙaru sama da 25°C don hana wuce matsakaicin zafin haɗin kai da tabbatar da aminci na dogon lokaci. An ba da lanƙwasa rage halin gaba don auna ƙayyadaddun matsakaicin halin ci gaba da aka halatta a kowane zafin aiki da aka ƙayyade a cikin kewayon da aka ayyana.

3. Bayanin Tsarin Rarrabawa

Takardar bayanan ta nuna cewa an rarraba na'urori (an yi rarrabuwa) don ƙarfin haske. Wannan yana nufin yayin samarwa, ana gwada LED kuma a raba su zuwa ƙungiyoyi bisa ga ƙimar fitowar haske da aka auna a daidaitaccen halin yanzu (misali, 10mA). Wannan yana tabbatar da daidaito a cikin haske ga masu amfani na ƙarshe, musamman mahimmanci lokacin da ake amfani da nuni da yawa a cikin samfur ɗaya. An ƙayyade jurewar ƙarfin haske a matsayin ±10%. Hakazalika, ƙarfin wutar lantarki na gaba yana da jurewar ±0.1V a kusa da ƙimar al'ada, wanda ke taimakawa wajen ƙirar da'irori masu karko.

4. Binciken Lanƙwasa Aiki

4.1 Rarraba Bakan

Lanƙwasa rarraba bakan yana nuna ƙarfin dangi na haske da aka fitar a cikin tsayin zango daban-daban. Ga wannan LED ja na tushen AlGaInP, lanƙwasa zai kasance a tsakiya a kewayon 624-632 nm tare da ƙayyadaddun bandwidth na 20 nm. Wannan lanƙwasa yana da mahimmanci ga aikace-aikacen da tsaftar launi ko daidaitaccen tsayin zango yake da mahimmanci.

4.2 Halin Gaba vs. Ƙarfin Wutar Gaba (Lanƙwasa I-V)

Wannan lanƙwasa na asali yana kwatanta alaƙa tsakanin ƙarfin wutar lantarki da aka yi amfani da shi a kan LED da sakamakon kwararar halin yanzu. Ba layi ba ne. Na al'ada V_Fna 2.0V a 20mA mahimmin wurin aiki ne daga wannan lanƙwasa. Fahimtar wannan alaƙa yana da mahimmanci don ƙirar da'irar iyakance halin yanzu da ya dace, saboda LED na'urori ne masu motsa halin yanzu.

4.3 Lanƙwasa Rage Halin Gaba

Wannan jadawali mai mahimmanci yana zana matsakaicin halin gaba mai ci gaba da aka halatta akan zafin yanayi. Yayin da zafin jiki ya tashi, matsakaicin halin yanzu mai aminci yana raguwa a layi. Bin wannan lanƙwasa ragewa yana da mahimmanci don hana guduwar zafi da tabbatar da na'urar tana aiki a cikin yankinta na aiki mai aminci (SOA), ta haka ne ya ƙara girman tsawon rayuwarta na aiki.

5. Bayanin Injiniya da Kunshin

Na'urar kayan aiki ce ta rami tare da daidaitaccen tsayin lambobi na 14.22mm. Cikakken zanen girman kunshin yana ba da duk mahimman ma'aunin injiniya, gami da tsayin gabaɗaya, faɗi, girman sashin lambobi, da tazarar jagora (fil) da diamita. Jurewar girman da ba a ƙayyade ba shine ±0.25mm. Zanen da'irar ciki yana nuna tsarin anode na gama gari na sassan bakwai da ma'aunin goma, wanda ke da mahimmanci don ƙirar da'irar haɗawa kai tsaye ko kai tsaye daidai. Pinout yana gano wane fil yayi daidai da kowane sashi (a-g) da anode na gama gari.

6. Jagororin Gishiri da Haɗawa

Matsakaicin ƙididdiga na iyaka don zafin gishiri shine 260°C na tsawon lokacin da bai wuce dakika 5 ba. Dole ne a kiyaye wannan siga sosai yayin aikin gishiri na igiyar ruwa ko na hannu don hana lalacewa ga guntuwar LED na ciki da kunshin epoxy resin. Dole ne a bi ƙa'idodin rigakafin ESD (Fitar da Wutar Lantarki) yayin sarrafawa da haɗawa, saboda dice na LED suna da hankali ga wutar lantarki. Wannan ya haɗa da amfani da bel ɗin wuyan ƙasa, tashoshin aiki masu aminci na ESD, da tabarma na bene masu ɗaukar wutar lantarki. Dole ne a yi aikin LED koyaushe a ƙarƙashin yanayin bias na gaba.

7. Bayanin Kunshin da Oda

Daidaitaccen tsarin kunshin shine: guda 20 a kowace bututu, bututu 63 a kowace akwati, da akwatuna 4 a kowace babban akwatin. Alamar da ke kan kunshin ta ƙunshi filaye masu mahimmanci da yawa don bin sawu da ganewa: CPN (Lambar Samfurin Abokin Ciniki), P/N (Lambar Samfur), QTY (Yawan Kunshin), CAT (Matsayi/Matsayi na Ƙarfin Haske), da LOT No. (Lambar Lot). Fahimtar wannan alamar yana da mahimmanci don sarrafa kaya da tabbatar da amfani da daidaitaccen sigar kayan a cikin samarwa.

8. Shawarwarin Aikace-aikace

8.1 Da'irori na Aikace-aikace na Al'ada

A matsayin nuni na anode na gama gari, kowane cathode na sashi ana motsa shi da kansa, yawanci ta hanyar resistor mai iyakance halin yanzu da transistor ko na'urar tuƙi ta LED da ke iya nutse da halin yanzu da ake buƙata. Fil ɗin anode na gama gari yana haɗe zuwa ƙarfin wutar lantarki mai kyau. Haɗa lambobi da yawa fasaha ce ta gama gari don rage adadin fil ɗin tuƙi da ake buƙata akan microcontroller.

8.2 Abubuwan Ƙira da Gargadi

Iyakance Halin Yanzu:Resistor na jerin gwano wajibi ne ga kowane sashi don saita halin gaba zuwa ƙimar da ake so (misali, 10-20 mA), wanda aka ƙididdige shi bisa ga ƙarfin wutar lantarki da ƙarfin wutar lantarki na gaba na LED.Kariya daga Ƙarfin Wutar Lantarki na Baya:Dole ne a ƙera da'irar don hana amfani da ƙarfin wutar lantarki na baya wanda ya wuce 5V, saboda wannan zai iya haifar da lalacewa maras jurewa. Idan da'irar tuƙi za ta iya fallasa LED ga ƙarfin wutar lantarki na baya lokacin da ya kashe, diode na kariya a layi daya da LED (baya bias yayin aikin al'ada) na iya zama dole.Gudanar da Zafi:Tabbatar cewa an rage halin aiki bisa ga zafin yanayi. A cikin yanayi mai zafi, yi la'akari da rage halin tuƙi ko inganta iska.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tsofaffin fasahohi ko ƙananan nunin, ELD-512SURWB/S530-A3 yana ba da daidaito na girman (0.56\"), haske, da aminci. Babban bambance-bambancensa sun haɗa da amfani da ingantaccen kayan semiconductor na AlGaInP don fitowar ja mai haske, ƙirar fari akan baƙi don babban bambanci, da bin ka'idojin muhalli na zamani (marasa gubar, RoHS). Ƙirar rami tana ba da ƙarfin injiniya da sauƙin ƙirar samfuri idan aka kwatanta da madadin hawa saman, ko da yake yana buƙatar ƙarin sarari na allo.

10. Tambayoyin da ake yawan yi (FAQs)

Q: Menene manufar rarrabuwar ƙarfin haske (CAT)?

A: Yana rarraba LED tare da matakan haske iri ɗaya. Wannan yana tabbatar da kamanni iri ɗaya lokacin da ake amfani da nuni da yawa a gefe ɗaya a cikin samfur, guje wa rashin daidaiton haske/duhu.

Q: Zan iya tuƙa wannan nuni kai tsaye daga fil ɗin microcontroller na 5V?

A: A'a. Dole ne ka yi amfani da resistor mai iyakance halin yanzu. Don samar da 5V, na al'ada V_Fna 2.0V, da I_Fda ake so na 20mA, ƙimar resistor zata kasance R = (5V - 2.0V) / 0.020A = 150 Ω. Hakanan, tabbatar da fil ɗin MCU zai iya nutse da halin sashin da ake buƙata.

Q: Me ake nufi da \"anode na gama gari\"?

A: Yana nufin anodes (bangarori masu kyau) na duk sassan LED an haɗa su tare zuwa fil ɗin gama gari ɗaya. Don haskaka sashi, kuna haɗa anode na gama gari zuwa Vcc kuma kuna tuƙa fil ɗin cathode daidai LOW (zuwa ƙasa ta hanyar resistor).

Q: Ana buƙatar ma'aunin zafi?

A> Don ci gaba da aiki a matsakaicin halin yanzu da aka ƙididdige (25mA) kusa da iyakar zafi na sama, an ba da shawarar shimfiɗar allo mai hankali don ɓarkewar zafi. Ga yawancin aikace-aikace a matsakaicin halin yanzu da yanayin zafi, ba a buƙatar rabuwar ma'aunin zafi.

11. Misalai na Ƙira da Amfani na Aiki

Misali 1: Nunin Voltmeter mai Lambobi 4 Mai Sauƙi.Za a iya haɗa nunin ELD-512SURWB guda huɗu don nuna karatun ƙarfin lantarki daga 0.000 zuwa 19.99V. Microcontroller zai bi da bi ya kunna anode na gama gari na kowane lambobi ta hanyar transistor na PNP kuma ya fitar da daidaitaccen tsarin sassan bakwai na wannan lambobi akan layukan cathode ɗin da aka raba, tare da masu iyakance halin yanzu da suka dace akan kowane layin cathode. Dole ne ƙimar sabuntawa ta yi girma sosai (>60Hz) don guje wa flicker.

Misali 2: Nunin Lokaci na Masana'antu/Ƙidaya.An yi amfani da shi akan allon sarrafawa, babban bambancin nuni yana tabbatar da iya karantawa a cikin yanayin masana'antu mai haske. Faɗin kewayon zafin aikinsa (-40°C zuwa +85°C) ya sa ya dace da wuraren da ba a sarrafa yanayi ba. Za a ƙera da'irar tuƙi don yin aiki a matsakaicin 15mA a kowane sashi don haɓaka aminci na dogon lokaci da rage samar da zafi.

12. Gabatarwar Ka'idar Aiki

Nuni na LED mai sassan bakwai tarin LED ne da yawa waɗanda aka tsara su cikin tsari na takwas. Kowane sashi (mai lakabi a zuwa g) LED ne na mutum. Lokacin da aka yi bias na gaba—ma'ana an yi amfani da ƙarfin wutar lantarki mai kyau akan anode dangane da cathode—electrons da ramuka suna sake haɗuwa a cikin yankin aiki na semiconductor (guntu na AlGaInP a wannan yanayin), suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke ciki (AlGaInP) yana ƙayyade tsayin zango (launi) na hasken da aka fitar, wanda ke cikin bakan ja mai haske ga wannan na'urar. Ta hanyar haskaka haɗuwa daban-daban na waɗannan sassan bakwai, ana iya samar da duk lambobin goma (0-9) da wasu haruffa.

13. Trends na Fasaha da Mahallin

Yayin da nunin rami kamar wannan ya kasance sananne don ƙarfi da sauƙin amfani a wasu aikace-aikace, gabaɗayan yanayin na'urorin lantarki yana zuwa ga ƙananan ƙira da fasahar hawa saman (SMT). Nunin SMT suna ba da ƙananan ƙafafu, ƙananan bayani, kuma sun fi dacewa don haɗawa da zaɓi da wuri mai sarrafa kansa. Duk da haka, har yanzu ana daraja abubuwan rami a cikin ƙirar samfuri, saitunan ilimi, kayan aikin masana'antu inda juriya ga girgiza ke da mahimmanci, da kuma aikace-aikacen da ake tsammanin gishiri na hannu ko gyara. Fasahar LED ta asali, AlGaInP don ja/lemu/rawaya da InGaN don shuɗi/kore/fari, na ci gaba da inganta inganci (ƙarin haske a kowace watt) da aminci. Nunin nan gaba na iya haɗa ƙarin hankali, kamar tuƙi na cikin gida ko hanyoyin sadarwa (misali, I2C), yana sauƙaƙa ƙira ga injiniyan ƙarshe.