Bayanin Fasaha na LED Display LTC-2687CKS-P - Tsawon Lamba 0.28-inch - AlInGaP Yellow - 2.6V Forward Voltage - Takardun Fasaha na Hausa

1. Bayanin Samfur

LTC-2687CKS-P na'urar da ake hawa a saman allo (SMD) ce mai nuna lambobi bakwai (seven-segment) guda uku. Babban aikinta shine a cikin kayan lantarki da ke bukatar karanta lambobi masu haske da tsabta, kamar allunan kayan aiki, na'urorin lantarki na mabukaci, da tsarin sarrafa masana'antu. Babban fa'idar wannan na'urar nunawa ya ta'allaka ne a amfani da fasahar semiconductor na Aluminum Indium Gallium Phosphide (AlInGaP) don guntu na LED mai launin rawaya, wanda ke ba da mafi girman haske da inganci idan aka kwatanta da tsofaffin fasahohi. An rarraba na'urar don ƙarfin haske, yana tabbatar da daidaiton matakan haske a cikin samfuran samarwa, kuma an gina shi tare da kunshin da bai ƙunshi gubar ba wanda ya dace da umarnin RoHS.

1.1 Siffofi Masu Muhimmanci da Kasuwar Da Ake Nufi

An tsara na'urar nunawa don haɗawa cikin aikace-aikacen da ke da ƙarancin sarari inda aminci da karantawa suka fi muhimmanci. Tsawon lambarta na 0.28-inch (7.0 mm) yana ba da daidaito mai kyau tsakanin girma da ganuwa. Siffofi masu mahimmanci sun haɗa da sassa masu ci gaba da daidaito don bayyanar tsabta, ƙarancin buƙatar wutar lantarki, babban haske da bambanci, da faɗin kusurwar kallo. Waɗannan halaye sun sa ya dace da kayan aikin ofis, na'urorin sadarwa, na'urorin gida, da sauran kayan lantarki na gabaɗaya inda babban buƙatar aminci na tsawon rai ba shine babban buƙatu ba.

2. Ma'auni na Fasaha: Cikakken Fassarar Manufa

2.1 Matsakaicin Matsakaici na Cikakke

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

• Rushewar Wutar Lantarki kowane Sashi:70 mW. Wannan shine matsakaicin wutar lantarki da za a iya rushewa cikin aminci azaman zafi ta kowane sashi.
• Matsakaicin Halin Gaba kowane Sashi:60 mA. Wannan halin yanzu yana halatta ne kawai a ƙarƙashin yanayin bugun jini (1/10 aikin alhaki, 0.1ms faɗin bugun jini) don hana zafi sosai.
• Ci gaba da Halin Gaba kowane Sashi:25 mA a 25°C. Wannan halin yanzu yana raguwa a layi daya a 0.28 mA/°C yayin da yanayin yanayi (Ta) ya karu sama da 25°C. Misali, a 85°C, matsakaicin halin yanzu na ci gaba zai kasance kusan: 25 mA - (0.28 mA/°C * (85°C - 25°C)) = 8.2 mA.
• Yanayin Aiki & Ma'ajiyar Zafin Jiki:-35°C zuwa +105°C.
• Zafin Solder:260°C na dakika 3, an auna 1/16 inch (≈1.6mm) a ƙasan farantin zama.

2.2 Halayen Lantarki & Na Gani

Ana auna waɗannan sigogi a ƙarƙashin yanayi na yau da kullun (Ta=25°C) kuma suna ayyana aikin na'urar.

• Matsakaicin Ƙarfin Hasken (Iv):Wannan shine ma'aunin haske mai mahimmanci. A halin yanzu na gaba (IF) na 1 mA, ƙimar al'ada ita ce 400 µcd (microcandelas). A 10 mA, yana tashi zuwa 2750 µcd. Mafi ƙarancin ƙimar da aka ƙayyade a 1 mA shine 126 µcd.
• Ƙarfin Lantarki na Gaba kowane Guntu (VF):Yawanci 2.6V tare da matsakaicin 2.6V a IF=20 mA. Mafi ƙanƙanta shine 2.05V. Wannan kewayon yana da mahimmanci don ƙirƙirar wutar lantarki na kewayen tuƙi.
• Matsakaicin Tsawon Tsawon Watsawa (λp):588 nm (na al'ada). Wannan shine tsawon raƙuman ruwa inda ƙarfin hasken da aka fitar ya fi girma.
• Matsakaicin Tsawon Raƙuman Ruwa (λd):587 nm (na al'ada). Wannan shine tsawon raƙuman ruwa guda ɗaya wanda idon ɗan adam ya gane don dacewa da launin tushen.
• Rabin Faɗin Layin Bakan (Δλ):15 nm (na al'ada). Wannan yana nuna tsarkin bakan; ƙimar ƙaramar tana nufin launi mafi monochromatic.
• Halin Yanzu na Baya (IR):Matsakaicin 100 µA a ƙarfin lantarki na baya (VR) na 5V. Wannan sigogi ne kawai don dalilai na gwaji; an haramta aikin bias na baya na ci gaba.
• Matsakaicin Daidaiton Ƙarfin Hasken:Matsakaicin 2:1 don sassan da ke cikin yanki mai haske iri ɗaya a IF=1mA. Wannan yana tabbatar da daidaiton gani a cikin na'urar nunawa.
• Maganar Ketare:An ƙayyade shi azaman ≤ 2.5%, yana nuna ƙarancin hasken da ba a so tsakanin sassan maƙwabta.

3. Bayanin Tsarin Binning

Bayanin bayanin yana nuna cewa na'urar "An Rarraba don Ƙarfin Hasken." Wannan yana nuna tsarin binning inda ake rarraba na'urorin nunawa bisa ga auna ƙarfin haske (Iv) a daidaitaccen gwajin halin yanzu (mai yiwuwa 1mA ko 10mA). Wannan yana tabbatar da cewa abokan ciniki suna karɓar samfuran tare da daidaitattun matakan haske. Duk da yake ba a bayyana takamaiman lambobin kwandon a cikin wannan ɓangaren ba, kwanduna na yau da kullun za su haɗa na'urori tare da ƙimar Iv a cikin wani iyaka (misali, 300-450 µcd). Masu ƙira dole ne su yi la'akari da wannan bambance-bambancen idan daidaitaccen daidaiton haske yana da mahimmanci a cikin raka'o'i da yawa ko ayyukan samarwa.

4. Bincike na Lanƙwasa Aiki

Duk da yake ba a cikakken bayyana takamaiman jadawali a cikin rubutun da aka bayar ba, lanƙwasa na yau da kullun don irin wannan na'urar zai haɗa da:

• Halin Yanzu na Gaba (IF) vs. Lanƙwasa Ƙarfin Lantarki na Gaba (VF):Yana nuna alaƙar ma'auni. Lanƙwasa yana taimakawa wajen tantance ƙarfin lantarki na tuƙi da ake buƙata don halin yanzu da ake so.
• Ƙarfin Hasken (Iv) vs. Lanƙwasa Halin Yanzu na Gaba (IF):Yana nuna yadda haske ke ƙaruwa tare da halin yanzu, yawanci a cikin yanayin kusa da layi a cikin kewayon aiki kafin inganci ya faɗi a halin yanzu mai girma sosai.
• Ƙarfin Hasken (Iv) vs. Lanƙwasa Yanayin Yanayi (Ta):Yana nuna yadda haske ke raguwa yayin da zafin jiki ke ƙaruwa. Wannan yana da mahimmanci ga aikace-aikacen da ke da manyan yanayin zafi.
• Lanƙwasa Rarraba Bakan:Jadawali na ƙarfin dangi vs. tsawon raƙuman ruwa, mai tsakiya a kusa da 587-588 nm, yana nuna ƙunƙuntar band ɗin fitarwa mai launin rawaya.

5. Bayanin Injiniya & Kunshin

5.1 Girman Kunshin

Na'urar tana da daidaitaccen sawun SMD. Duk girmansu suna cikin milimita tare da juriya na gabaɗaya na ±0.25 mm. Bayanan injiniya masu mahimmanci sun haɗa da iyakoki akan kayan waje (≤10 mil), gurɓataccen tawada (≤20 mils), kumfa a cikin sassa (≤10 mil), lanƙwasa (≤1% na tsawon mai nunawa), da burr ɗin fil ɗin filastik (matsakaicin 0.1 mm). Waɗannan suna tabbatar da bayyanar daidai da iya solder.

5.2 Haɗin Fil da Polarity

Na'urar nunawa tana da tsarin fil guda 12. Tana amfani datsarin multiplex common anodezane. Wannan yana nufin cewa anodes na LEDs na kowane lamba (DIG1, DIG2, DIG3) an haɗa su tare a ciki kuma an fitar da su zuwa filaye daban-daban (filaye 11, 10, da 8 bi da bi). Cathodes na kowane sashi (A-G da DP) ana raba su a duk lambobi kuma an haɗa su da filayensu masu dacewa. Wannan ƙirar tana ba da damar sarrafa na'urar nunawa mai lambobi da yawa tare da ƙarancin fil ɗin I/O ta hanyar hawan keke (multiplexing) cikin sauri wacce lamba ke samun wutar lantarki a kowane lokaci da aka bayar. Fil 4 an yi masa alama a matsayin "Babu Haɗin." Cathode na madaidaicin maki na hannun dama (DP) yana kan fil 5.

5.3 Zanen Kewayen Ciki

Zanen ciki yana wakiltar gine-ginen gama gari na multiplexed a zahiri, yana nuna yadda anodes lambobi uku da cathodes sassan bakwai (+DP) suke haɗuwa.

6. Jagororin Solder & Taro

6.1 Umarnin Solder na SMT

An ƙididdige na'urar don matsakaicin zagaye biyu na solder reflow. Ana buƙatar lokacin sanyaya zuwa yanayin zafi na yau da kullun tsakanin zagayowar.

• Reflow Solder:Pre-heat: 120-150°C. Lokacin pre-heat: dakika 120 matsakaici. Matsakaicin zafin jiki: 260°C matsakaici. Lokacin sama da ruwa: dakika 5 matsakaici.
• Solder na Hannu (Ƙarfe):Zazzabi: 300°C matsakaici. Lokacin solder: dakika 3 matsakaici kowane haɗin gwiwa.

6.2 Tsarin Solder da Aka Ba da Shawara

An ba da tsarin ƙasa (sawun) don tabbatar da samuwar haɗin gwiwar solder da kwanciyar hankali na injiniya. Yin bin wannan tsarin yana da mahimmanci don haɗin gwiwa mai dogaro.

6.3 Hancin Danshi & Ma'ajiyar

Ana jigilar na'urar a cikin marufi mai hana danshi. Da zarar an buɗe, ya fara ɗaukar danshi daga muhalli. Idan ba a adana shi a cikin yanayi bushewa (≤30°C, ≤60% RH) ba, dole ne a gasa shi kafin reflow don hana "popcorning" ko rabuwa yayin aikin solder mai zafi.

• Yanayin Baking (sau ɗaya kawai):
  • A cikin Reel: 60°C na ≥48 hours.
  • A cikin Bulk: 100°C na ≥4 hours ko 125°C na ≥2 hours.

7. Bayanin Kunshin da Oda

7.1 Ƙayyadaddun Kunshin

Ana samar da na'urorin akan tef da reel don haɗawa ta atomatik.

• Girman Reel:Daidaitaccen reel 13-inch.
• Adadin kowane Reel:Guda 600.
• Mafi ƙarancin Adadin Oda (MOQ) don Sauran:Guda 200.
• Tef ɗin Carrier:An ƙayyade girma don tabbatar da riƙon abubuwan da abinci.
• Jagora/Trailer Tef:An haɗa da mafi ƙarancin jagora 400mm da trailer 40mm don sauƙaƙe loda na'ura.

7.2 Fassarar Lambar Sashe

Lambar sashe LTC-2687CKS-P mai yiwuwa tana bin tsarin lambobi na ciki inda: - LTC: Iyalin samfura/prefix. - 2687: Takamaiman mai ganowa samfurin. - CKS: Na iya nuna nau'in kunshin, launi, ko wasu halaye. - P: Na iya nuna salon kunshin (misali, tef da reel).

8. Bayanan Aikace-aikace & Abubuwan Ƙira

8.1 Shawarwarin Ƙira

• Hanyar Tuƙi:Ana ba da shawarar tuƙi na halin yanzu na yau da kullun akan ƙarfin lantarki na yau da kullun don tabbatar da daidaitaccen ƙarfin haske da tsawon rai, kamar yadda ƙarfin lantarki na gaba (VF) yana da kewayon (2.05V zuwa 2.6V).
• Kariyar Kewayen:Dole ne kewayen tuƙi ya kare daga ƙarfin lantarki na baya da ƙwanƙwasa na wucin gadi yayin kunna wutar lantarki/kashewa don hana lalacewa.
• Iyakance Halin Yanzu:Dole ne a zaɓi halin yanzu na aiki mai aminci yana la'akari da matsakaicin yanayin yanayi, yana la'akari da raguwar halin yanzu da aka ƙayyade a cikin matsakaicin ƙididdiga.
• Gudanar da Thermal:Kauce wa aiki a halin yanzu ko yanayin zafi sama da abin da aka ba da shawarar don hana mummunan lalacewar fitarwa ko gazawar da ba ta daɗe ba.
• Bias na Baya:Dole ne a guje wa shi kamar yadda zai iya haifar da ƙaura na ƙarfe, ƙara yawan ɗigon ruwa ko haifar da gajeriyar kewayen.

8.2 Yanayin Aikace-aikace na Al'ada

Wannan na'urar nunawa ta dace da: - Digital multimeters da kayan aikin gwaji. - Allunan sarrafa kayan aiki (microwaves, tanda). - Na'urorin nunawa na kayan aikin sauti/ bidiyo. - Karatun lokaci da ƙidaya na masana'antu. - Na'urorin nunawa na tashar siyarwa.

9. Kwatancen Fasaha & Bambance-bambance

Idan aka kwatanta da tsofaffin fasahohi kamar daidaitattun GaAsP ko GaP LEDs, fasahar AlInGaP a cikin wannan na'urar nunawa tana ba da inganci mai haske sosai, yana haifar da fitarwa mai haske a ƙananan halin yanzu. Fuskar baƙar fata tare da fararen sassa yana ba da babban bambanci, yana haɓaka karantawa a cikin yanayin haske daban-daban. Ƙirar multiplexed common anode ƙa'ida ce don na'urorin nunawa masu lambobi da yawa, yana ba da daidaito mai kyau tsakanin ƙidaya fil da rikitarwar sarrafa idan aka kwatanta da ƙirar tuƙi na tsaye waɗanda ke buƙatar layukan I/O da yawa.

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

Q: Me yasa ake raguwa matsakaicin halin yanzu na ci gaba tare da zafin jiki?A: Ingantaccen LED yana raguwa kuma samar da zafi na ciki yana ƙaruwa a manyan yanayin zafi. Ragewa yana hana zafin haɗin gwiwa ya wuce iyakokin aminci, wanda zai hanzarta lalacewar fitarwa da rage tsawon rai.

Q: Me "Matsakaicin Daidaiton Ƙarfin Hasken ≤ 2:1" ke nufi ga ƙirara?A: Yana nufin cewa mafi haske sashi a cikin ƙayyadadden yanki ba zai fi sau biyu haske fiye da mafi duhu sashi a cikin wannan yanki ba a ƙarƙashin yanayin tuƙi iri ɗaya. Wannan yana tabbatar da daidaiton gani. Don aikace-aikace masu mahimmanci, ana ba da shawarar zaɓar na'urori daga kwandon ƙarfi iri ɗaya.

Q: Shin zan iya tuƙa wannan na'urar nunawa tare da fil ɗin microcontroller 5V kai tsaye?A: A'a. Matsakaicin ƙarfin lantarki na gaba shine 2.6V, amma resistor mai iyakancewa ko, zai fi dacewa, kewayen tuƙi na halin yanzu na yau da kullun wajibi ne. Haɗawa kai tsaye zuwa fil ɗin 5V zai iya lalata sashin LED saboda wuce gona da iri.

11. Ƙira mai Aiki & Shari'ar Amfani

Shari'a: Ƙira karatun voltmeter mai lamba 3.Za a yi amfani da microcontroller don sarrafa na'urar nunawa. Za a saita filaye uku na I/O azaman fitarwa don nutse halin yanzu zuwa anodes na gama gari (DIG1, DIG2, DIG3). Sauran filaye bakwai (ko takwas, gami da DP) za a saita su azaman tushen halin yanzu (ta hanyar transistors ko takamaiman IC mai tuƙi) don cathodes sashi (A-G, DP). Firmware zai aiwatar da multiplexing: kunna DIG1, saita tsarin sashi don lamba ta farko, jira ɗan gajeren lokaci (misali, 2ms), kashe DIG1, kunna DIG2, saita tsarin don lamba ta biyu, da sauransu, hawan keke cikin sauri. Dagewar gani yana sa duk lambobi su bayyana a ci gaba da haske. Dole ne a ƙididdige halin yanzu na tuƙi bisa ga hasken da ake so da aikin alhaki na multiplexing.

12. Gabatarwar Ka'idar Aiki

LED (Light Emitting Diode) diode ne na semiconductor p-n junction. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce ƙarfin da aka gina a cikin haɗin gwiwa, electrons daga yankin n da ramuka daga yankin p ana shigar da su cikin yankin haɗin gwiwa. Lokacin da waɗannan masu ɗaukar caji suka sake haɗuwa, ana sakin makamashi a cikin nau'in photons (haske). Takamaiman tsawon raƙuman ruwa (launi) na hasken an ƙaddara shi ta hanyar bandgap na kayan semiconductor. AlInGaP (Aluminum Indium Gallium Phosphide) yana da bandgap wanda yayi daidai da haske a cikin bakan rawaya/amber/lemu/ja, yana ba da inganci mai girma. Tsarin tuƙi na multiplexed yana amfani da saurin sauyawa na LED da dagewar gani na idon ɗan adam don sarrafa lambobi da yawa tare da rage adadin layukan sarrafawa.

13. Trends na Fasaha

Trend a fasahar nunawa yana ci gaba zuwa ga mafi inganci, ƙarancin amfani da wutar lantarki, da mafi girman haɗin kai. Duk da yake na'urorin nunawa masu rarrabuwar kawuna kamar wannan suna ci gaba da zama mahimmanci don takamaiman aikace-aikace, akwai ƙarin sauyi zuwa cikakkun na'urorin nunawa na matrix-dot da OLEDs waɗanda ke ba da sassauci mafi girma wajen nuna haruffa haruffa da zane-zane. Koyaya, don sauƙaƙa, babban haske, ƙarancin farashi na lambobi, na'urorin nunawa na SMD segment ta amfani da kayan aiki masu inganci kamar AlInGaP da InGaN (don shuɗi/kore/fari) za su ci gaba da kasancewa masu dacewa a cikin aikace-aikacen masana'antu, motoci, da na mabukaci na gaba, musamman inda ake buƙatar aminci mai tsanani da tsawon rai a ƙarƙashin yanayi daban-daban.