LTD-6402JS-02 LED Display Datasheet - Tsawon Lambobi 0.56-inch - AlInGaP Yellow - Ƙarfin Gaba 2.6V - Ƙarancin Wutar Lantarki - Takardun Fasaha na Turanci

1. Bayyani Game da Samfur

LTD-6402JS-02 wani babban aiki ne, ƙaramin wutar lantarki na nuni mai sassa bakwai wanda aka ƙera don aikace-aikacen da ke buƙatar karanta lambobi a sarari. Babban aikinsa shine samar da madaidaicin mafita na nuni mai karantawa, amintacce, da kuma ingantaccen amfani da wutar lantarki. Babban fa'idar wannan na'urar yana cikin amfani da ci-gaban fasahar semiconductor na Aluminium Indium Gallium Phosphide (AlInGaP) don guntun LED, wanda ke ba da mafi girman haske da inganci idan aka kwatanta da tsofaffin fasahohi kamar daidaitaccen Gallium Phosphide (GaP). An rarraba na'urar don ƙarfin haske, yana tabbatar da daidaitaccen matakan haske a cikin rukunonin samarwa. Kasuwarsa ta haɗa da kayan aikin ma'aunin masana'antu, na'urorin lantarki na mabukaci, kayan aikin gwaji da ma'auni, da kowane tsarin da aka haɗa inda ake buƙatar ƙaramin, mai haske, da ƙaramin wutar lantarki na nuni na lambobi.

2. Zurfin Binciken Ma'auni na Fasaha

2.1 Halayen Haske da Wutar Lantarki

An ayyana aikin haske da wutar lantarki a daidaitaccen zafin yanayi (Ta) na 25°C. Babban ma'auni, Matsakaicin Ƙarfin Haske (Iv), yana da ƙimar al'ada na 700 µcd a ƙarfin lantarki na gaba (IF) na kawai 1mA a kowane sashe, yana nuna ƙarfin ƙarfinsa na ƙarancin wutar lantarki. Matsakaicin Tsawon Tsawon Watsawa (λp) yawanci 588 nm ne, kuma Babban Tsawon Tsawon (λd) 587 nm ne, yana tabbatar da cewa hasken da aka fitar yana cikin yankin rawaya na bakan gani. Tsawon Ramin Layin Bakan (Δλ) shine 15 nm, yana nuna ingantaccen launi na fitarwa. Wani muhimmin ma'auni don daidaiton lambobi da yawa ko sassa da yawa shine Matsakaicin Ƙarfin Haske (IV-m), wanda aka ƙayyade a matsakaicin 2:1 lokacin da ake tuka sassa a 10mA, yana tabbatar da ingantaccen daidaiton gani.

2.2 Ma'auni na Wutar Lantarki

Halayen wutar lantarki suna ayyana iyakokin aiki da yanayi. Matsakaicin Matsakaicin Ƙimar ya ƙayyade Ci gaba da Ƙarfin Lantarki na Gaba a kowane sashe na 25 mA, yana raguwa layi daya daga 25°C. Na'urar na iya ɗaukar Matsakaicin Ƙarfin Lantarki na Gaba na 100 mA a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun 0.1ms). Matsakaicin Ƙarfin Lantarki na Baya a kowane sashe shine 5V. A ƙarƙashin yanayin aiki na yau da kullun, Ƙarfin Lantarki na Gaba a kowane sashe (VF) yana daga 2.05V zuwa 2.6V a IF=20mA. Ƙarfin Lantarki na Baya (IR) matsakaici ne na 100 µA a VR=5V. Ragewar Wutar Lantarki a kowane sashe an ƙididdige shi a 75 mW.

2.3 Ƙayyadaddun Zafi da Muhalli

An ƙididdige na'urar don Kewayon Zafin Aiki na -35°C zuwa +105°C, tare da daidaitaccen Kewayon Zafin Ajiya. Wannan faɗin kewayon yana sa ya dace da munanan yanayi. Don haɗawa, matsakaicin zafin solder shine 260°C na matsakaicin tsawon lokaci na dakika 3, wanda aka auna a 1.6mm (1/16 inch) ƙasa da matakin wurin zama na kayan, wanda shine daidaitaccen jagora don hanyoyin solder na igiyar ruwa ko sake kunnawa.

3. Bayanin Tsarin Rarraba (Binning)

Takardun bayanai ta bayyana cewa na'urar "An Rarraba ta don Ƙarfin Haske." Wannan yana nuna tsarin rarraba ko tsarawa bisa ma'aunin hasken da aka auna. Ko da yake ba a bayar da takamaiman lambobin rarrabuwa a cikin wannan takarda ba, wannan aikin yana tabbatar da cewa abokan ciniki suna karɓar nunin da ke da daidaitaccen matakin haske. Yawanci, irin wannan rarrabuwa ya haɗa da gwada kowane na'ura a wani takamaiman ƙarfin lantarki (misali, 10mA ko 20mA) sannan a rarraba su zuwa rukunoni bisa ga ƙayyadaddun kewayon ƙarfin haske (misali, 400-600 µcd, 600-800 µcd). Wannan yana ba masu ƙira damar zaɓar rukunin da ya dace da buƙatunsu na takamaiman haske kuma yana tabbatar da daidaiton gani a cikin nunin da ke da lambobi da yawa.

4. Binciken Lanƙwasa Ayyuka

Duk da yake ba a ƙididdige takamaiman jadawali a cikin rubutun da aka bayar ba, daidaitattun lanƙwasa ayyuka don irin wannan na'urar za su haɗa da maƙasudai masu mahimmanci da yawa.Lanƙwasa Ƙarfin Lantarki vs. Ƙarfin Lantarki na Gaba (I-V)zai nuna alaƙar ma'auni, yana taimaka wa masu ƙira su fahimci buƙatun ƙarfin lantarki a ƙarfin tuƙi daban-daban.Ƙarfin Haske vs. Ƙarfin Lantarki na Gaba (Lanƙwasa L-I)yana da mahimmanci, yana nuna yadda fitarwar haske ke ƙaruwa tare da ƙarfin lantarki, sau da yawa a cikin alaƙar kusa da layi a cikin kewayon aiki, kafin yuwuwar cika.Ƙarfin Haske vs. Zafin Yanayilanƙwasa za su nuna raguwar fitarwar haske yayin da zafin jiki ke ƙaruwa, wanda yake da mahimmanci ga aikace-aikacen babban zafin jiki. A ƙarshe,Lanƙwasa Rarraba Bakanzai wakilta ta gani matsakaicin tsawon tsawon raƙuman ruwa da faɗin bakan, yana tabbatar da wurin launin rawaya.

5. Bayanin Injiniya da Marufi

5.1 Girman Marufi

Na'urar tana da daidaitaccen marufin nuni mai sassa bakwai mai lambobi biyu. An ba da duk girma a cikin milimita tare da juzu'in gabaɗaya na ±0.25 mm (0.01"). Babban girma shine tsayin lambobi, wanda aka ƙayyade a matsayin inci 0.56 (14.22 mm). Cikakken zanen injiniya zai haɗa da tsayin duka, faɗi, da tsayi na marufi, tazarar tsakanin lambobi, girma sassa, da matsayi da diamita na fil ɗin ɗora.

5.2 Pinout da Gano Polarity

LTD-6402JS-02 na'urar ce taAnode Gama Garisiffar. Tana da fil biyu masu zaman kansu na anode gama gari: Pin 12 don Lamba 1 da Pin 9 don Lamba 2. Wannan yana ba da damar keɓance kowane lamba daban. Katod ɗin sassa (A har zuwa G, da Ƙari na Decimal) an raba su tsakanin lambobi biyu. Misali, Pin 11 shine cathode don sashe 'A' na duka Lamba 1 da Lamba 2. Pin 6 da 8 an lura da su a matsayin "Babu Haɗin kai" (NC). An haɗa maƙasudin ƙari na hannun dama (D.P.) kuma ana sarrafa shi ta Pin 3. Daidaitaccen gano anode gama gari yana da mahimmanci don ingantaccen ƙirar da'ira don samar da tushen ƙarfin lantarki zuwa fil ɗin gama gari da kuma nutsewar ƙarfin lantarki ta hanyar fil ɗin sassa ɗaya.

6. Jagororin Solder da Haɗawa

Babban jagora da aka bayar shine iyakar zafin solder: matsakaicin 260°C na matsakaicin dakika 3, wanda aka auna 1.6mm ƙasa da matakin wurin zama. Wannan shine daidaitaccen shawarar JEDEC don abubuwan da suka shiga rami don hana lalata guntun LED, haɗin waya, ko marufi na filastik. Don haɗawa, daidaitaccen solder na igiyar ruwa ko zaɓaɓɓun hanyoyin solder suna dacewa. Ana ba da shawarar bin daidaitattun jagororin IPC don tsaftacewa don guje wa ragowar flux a fuskar launin toka mai haske, wanda zai iya shafar bambanci da bayyanar. Hakanan ana ba da shawarar sarrafa da kyau don guje wa damuwa na injiniya akan filaye.

7. Bayanin Marufi da Oda

Lambar sashi ita ce LTD-6402JS-02. Ƙarin "JS" sau da yawa yana nuna takamaiman halaye kamar launi da salon marufi. "02" na iya nuna bita ko takamaiman kwandon shara. Na'urar tana zuwa cikin daidaitattun bututun anti-static ko trays don haɗawa ta atomatik. Nassosin takardun bayanai shine Lambar Spec: DS30-2000-040. Masu ƙira yakamata koyaushe su tabbatar da daidaitaccen marufi (misali, adadin kowane bututu, bututu a kowane akwati) tare da mai kaya ko mai rarrabawa a lokacin yin oda.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan nuni yana da kyau ga kowane aikace-aikacen da ke buƙatar lambobi ɗaya ko biyu masu haske, masu sauƙin karantawa. Amfanin gama gari sun haɗa da: mitoci na panel don ƙarfin lantarki, ƙarfin lantarki, ko zafin jiki; agogon dijital da na'urorin ƙidayar lokaci; modules na allon maki; kwamfutocin sarrafa kayan aiki (misali, tanda microwave, injunan wanki); karatun kayan aikin gwaji; da alamomin yanayin tsarin sarrafa masana'antu.

8.2 Abubuwan da Ya Kamata a Yi la'akari da su a Ƙira

Iyakance Ƙarfin Lantarki:A matsayin na'urar anode gama gari, yakamata a haɗa fil ɗin anode zuwa wadataccen wutar lantarki ta hanyar tsarin iyakance ƙarfin lantarki. Kowane fil ɗin cathode na sashe dole ne a haɗa shi da nutsewar ƙarfin lantarki, yawanci fil ɗin I/O na microcontroller ko IC direba. Masu jurewa iyakance ƙarfin lantarki na wajelallai ne wajibiga kowane sashe ko anode gama gari don hana wuce gona da iri na ƙarfin lantarki da lalata LEDs. Ana iya ƙididdige ƙimar resistor ta amfani da R = (Vcc - Vf) / If, inda Vf shine ƙarfin lantarki na gaba (yi amfani da matsakaicin 2.6V don aminci) kuma If shine ƙarfin lantarki na gaba da ake so (misali, 10-20mA don cikakken haske, 1-5mA don ƙarancin wutar lantarki).

Haɗaɗɗen Aiki (Multiplexing):Don aiki mai lambobi biyu, ana kunna anode gama gari (Pin 9 da 12) da sauri yayin da ake amfani da bayanan sashe daidai ga fil ɗin cathode ɗin da aka raba. Wannan yana rage adadin fil ɗin direba da ake buƙata daga 15 (sassa 7 + DP a kowane lamba) zuwa kawai 9 (sassa 7 + DP + 2 na gama gari). Ana ba da shawarar ƙimar sabunta sama da 60Hz don guje wa ƙyalli mai gani.

Kusurwar Dubawa:Takardun bayanai ta yi iƙirarin cewa "Faɗin Kusurwar Dubawa," wanda shine na al'ada ga nunin LED mai sassa bakwai. Yakamata a yi la'akari da wannan don sanyawa na injiniya na nuni a cikin akwatin ƙarshe na samfurin.

9. Kwatancen Fasaha

Babban abin banbance na LTD-6402JS-02 shine amfani daAlInGaP akan substrate na GaAs mara bayyanawadon fitar da rawaya. Idan aka kwatanta da tsohuwar fasahar GaP:Y (Gallium Phosphide da aka haɗa da Nitrogen don rawaya), LED na AlInGaP suna ba da ingantaccen inganci da haske a daidai wannan ƙarfin lantarki, mafi kyawun tsaftar launi, da mafi kyawun aiki akan zafin jiki. Idan aka kwatanta da daidaitattun LED ja GaAsP ko GaP, launin rawaya yana ba da ingantaccen bambanci a fuskar launin toka mai haske kuma galibi ana ɗaukarsa mafi dadi a gani kuma ba shi da wahala a cikin yanayi mara haske. Ƙarfinsa na ƙarancin wutar lantarki (har zuwa 1mA a kowane sashe tare da haske mai amfani) yana ba shi fa'ida a cikin aikace-aikacen da ke da baturi ko masu kula da makamashi akan nunin da ke buƙatar 10-20mA don isasshen gani.

10. Tambayoyin da ake yawan yi (FAQ)

Q: Menene bambanci tsakanin anode gama gari da cathode gama gari?
A: A cikin nunin anode gama gari, duk anodes na LEDs (sassa) an haɗa su tare zuwa wadataccen wutar lantarki. Kuna kunna sashe ta hanyar haɗa cathode ɗinsa zuwa ƙasa (ƙananan dabaru). A cikin nunin cathode gama gari, duk cathodes suna haɗe zuwa ƙasa, kuma kuna kunna sashe ta hanyar amfani da ƙarfin lantarki mai kyau ga anode ɗinsa. LTD-6402JS-02 na'urar anode gama gari ce.

Q: Zan iya tuƙa wannan nuni kai tsaye daga fil ɗin microcontroller?
A: Kuna iya nutse ƙarfin lantarki daga cathodes ɗin sassa ta amfani da fil ɗin microcontroller da aka saita azaman ƙananan fitarwa, muddin ba a wuce matsakaicin ƙimar nutsewar ƙarfin lantarki ba (duba takardar bayanai na MCU). Duk da haka, yawanci ba za ku iya samar da isasshen ƙarfin lantarki daga fil ɗin MCU don tuƙa anode gama gari kai tsaye don haɗawa. Yawanci ana buƙatar transistor (misali, PNP bipolar ko P-channel MOSFET) don sauya mafi girman ƙarfin lantarki na anode gama gari don kowane lamba.

Q: Me yasa akwai matsakaicin daidaiton ƙarfin haske 2:1?
A> Wannan yana nufin cewa mafi ƙarancin sashe a cikin nuni ba zai zama ƙasa da rabin haske kamar mafi haske sashe a ƙarƙashin irin wannan yanayin gwaji ba. Wannan rabo yana tabbatar da daidaiton gani mai ma'ana. Don mahimman aikace-aikace, ana ba da shawarar zaɓar nunin daga kwandon ƙarfin haske ɗaya.

Q: Menene ma'anar "AlInGaP akan substrate na GaAs mara bayyanawa"?
A> Layukan fitar da haske an yi su ne da kayan semiconductor na AlInGaP. An girma wannan yanki mai aiki akan wafer na Gallium Arsenide (GaAs) wanda ba ya watsa haske. Saboda haka, haske yana fitowa ne kawai daga saman saman guntun, wanda shine daidaitaccen gini don manyan LED masu haske, yana ba da gudummawar babban bambanci da aka ambata a cikin fasali.

11. Misalin Aikace-aikace na Aiki

Shari'ar Ƙira: Karatun Voltmeter Mai Lambobi Biyu Mai Sauƙi.
Yi la'akari da ƙira na nuni na voltmeter DC 0-99V. Microcontroller tare da mai canza analog zuwa dijital (ADC) yana karanta ƙarfin lantarki na shigarwa. Software ɗin yana daidaita ƙimar ADC zuwa lamba tsakanin 0 da 99. Don tuƙa LTD-6402JS-02:
1. An haɗa fil ɗin anode gama gari biyu zuwa fil ɗin I/O daban-daban na MCU ta hanyar ƙananan transistors na PNP (misali, 2N3906). Ana tuka sansanonin ta hanyar masu jurewa iyakance ƙarfin lantarki.
2. An haɗa fil ɗin cathode na sassa takwas (A-G da DP) zuwa fil ɗin I/O takwas na MCU, kowannensu yana da jerin masu jurewa iyakance ƙarfin lantarki (misali, 150Ω don ~20mA a wadataccen wutar lantarki 5V, la'akari da Vf~2.6V).
3. A cikin firmware, an saita katsewar timer don haɗawa. A cikin sake zagayowar katsewa ɗaya, MCU:
- Yana kashe duka transistors na lambobi.
- Yana ƙididdige lambar sassa 7 don lambobin goma.
- Yana fitar da wannan lambar akan fil ɗin sassa.
- Yana kunna transistor don anode gama gari na lambobin goma.
- Yana jira ɗan jinkiri (misali, 5ms).
- Yana maimaita tsarin don lambobi ɗaya.
Wannan yana haifar da nuni mai dorewa, mara ƙyalli mai lambobi biyu wanda ke nuna ƙarfin lantarki da aka auna.

12. Gabatarwar Ka'idar Fasaha

Guntun LED a cikin wannan nuni sun dogara ne akan Aluminium Indium Gallium Phosphide (AlInGaP), wani semiconductor na mahadi na III-V. Lokacin da aka yi amfani da ƙarfin lantarki na gaba a kan haɗin p-n na wannan abu, ana shigar da electrons da ramuka cikin yanki mai aiki. Haɗuwarsu yana sakin makamashi a cikin nau'in photons (haske). Takamaiman tsawon raƙuman ruwa (launi) na hasken da aka fitar an ƙaddara shi ta hanyar makamashin bandgap na kayan semiconductor, wanda aka ƙera ta hanyar sarrafa daidai rabon Aluminium, Indium, Gallium, da Phosphorus yayin girma crystal. An cimma launin rawaya (~587-588 nm) tare da takamaiman abun da ke ciki. "Substrate na GaAs mara bayyanawa" yana aiki azaman goyon baya na injiniya amma yana ɗaukar duk wani haske da aka fitar zuwa ƙasa, yana tilasta duk haske mai amfani ya fita ta saman guntun, yana haɓaka jagoranci da bambanci na nuni.

13. Trends na Fasaha

Duk da yake nunin sassa bakwai ya kasance babban abin dogaro don karatun lambobi, babban yanayin a cikin fasahar nuni yana motsawa zuwa mafi haɗe-haɗe da mafita masu yawa. Nunin OLED da LCD na Dot-matrix suna ba da damar haruffa da na zane-zane a cikin irin wannan girma. Duk da haka, don aikace-aikacen da ke buƙatar matuƙar sauƙi, aminci, faɗin kewayon zafin jiki, babban haske, da ƙarancin farashi a kowane lamba, nunin LED mai sassa bakwai kamar LTD-6402JS-02 suna ci gaba da kasancewa masu dacewa sosai. Juyin halitta a cikin wannan yanki da kansa yana mai da hankali kan ƙara inganci (ƙarin haske a kowane mA), inganta kusurwoyin dubawa, rage girman marufi (siffofin SMD), da faɗaɗa zaɓuɓɓukan launi. Amfani da AlInGaP, kamar yadda aka gani a nan, yana wakiltar babban mataki na inganci akan tsofaffin fasahohi kuma yana ci gaba da zama ma'auni don manyan LED ja, orange, da rawaya.