LTST-C19HRGYW Cikakken Launi SMD LED Takardar Bayani - Girman Kunshin - Ja/Kore/Rawa - 30mA - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTST-C19HRGYW cikakken launi ne, LED mai saukar da PCB wanda aka tsara don aikace-aikacen lantarki na zamani da ke bukatar girman karami da hadawa ta atomatik. Wannan na'urar tana hada guntayen LED guda uku daban-daban a cikin kunshi daya, wanda ya fi siriri, yana ba da damar nuna launuka daban-daban da hanyoyin hasken baya.

1.1 Fa'idodi na Musamman

Wannan LED yana ba da fa'idodi masu mahimmanci ga injiniyoyin zane. Babban fa'idarsa ita ce hada hanyoyin haske guda uku (Ja, Kore, Rawa) cikin wuri daya na karami, yana adana sararin PCB mai mahimmanci. Kunshin yana da siriri sosai, yana aunin kawai 0.35mm a tsayi, yana sa ya dace da na'urori masu siriri sosai. Ya cika ka'idojin RoHS kuma an tsara shi don dacewa da tsarin gyarar infrared reflow na yau da kullun, yana sauƙaƙa samarwa mai yawa, ta atomatik.

1.2 Kasuwa da Aikace-aikace

Ana nufin na'urar ga nau'ikan na'urorin lantarki na mabukaci da masana'antu. Babban aikace-aikacen sa ya hada da nuna matsayi da hasken baya don maɓallai ko madannai a cikin kayan aikin sadarwa kamar wayoyin mara igiya da wayoyin hannu. Hakanan ya dace da amfani a cikin samfuran sarrafa ofis kamar kwamfutocin tebur, tsarin hanyoyin sadarwa, kayan aikin gida daban-daban, da alamun cikin gida ko fitilun alama. Haɗin launukan yana ba da damar nuna matsayi daban-daban a cikin kayan aiki guda.

2. Bita Mai Zurfi na Sigogi na Fasaha

Sasannin masu zuwa suna ba da cikakken bayani game da iyakokin aiki da halayen aikin na'urar a ƙarƙashin yanayi na yau da kullun.

2.1 Iyakar Ma'auni na Cikakken

Waɗannan ma'auni suna ayyana iyakokin damuwa wanda bayansa lalacewa ta dindindin ga na'urar na iya faruwa. Ana ƙayyade iyakar ma'auni na cikakken a yanayin zafin jiki (Ta) na 25°C. Rage wutar lantarki shine 75mW don guntayen Ja da Rawa, da 80mW don guntayen Kore. Matsakaicin ci gaba na DC na yanzu shine 30mA don Ja da Rawa, da 20mA don Kore. Ana ba da izinin mafi girman kololuwar gaba na 80mA (Ja/Rawa) da 100mA (Kore) a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms). Na'urar na iya aiki a cikin kewayon zafin jiki na -20°C zuwa +80°C kuma a adana daga -30°C zuwa +85°C. Zai iya jure gyarar infrared reflow a 260°C na matsakaicin dakika 10.

2.2 Halayen Lantarki da Na Gani

Waɗannan sigogi suna ayyana aikin yau da kullun lokacin aiki a cikin yanayin da aka ba da shawarar a Ta=25°C. Ana auna ƙarfin haske (Iv) a gaban yanzu (If) na 20mA. Don guntayen Ja, Iv ya kewayo daga mafi ƙanƙanta 45.0 mcd zuwa matsakaici 180.0 mcd. Guntayen Kore yana ba da fitarwa mafi girma, daga 71.0 mcd zuwa 450.0 mcd. Guntayen Rawa ya kewayo daga 71.0 mcd zuwa 280.0 mcd. Na'urar tana da kusurwar kallo mai faɗi sosai (2θ1/2) na digiri 130, yana ba da haske mai faɗi, mai watsewa. Matsakaicin tsayin fitarwa (λP) sune 632.0 nm (Ja), 520.0 nm (Kore), da 595.0 nm (Rawa). Matsakaicin tsayin raƙuman ruwa (λd) masu dacewa sune 617-631 nm (Ja), 520-530 nm (Kore), da 587-602 nm (Rawa). Gaban ƙarfin lantarki (Vf) a 20mA ya kewayo daga 1.8V zuwa 2.4V don Ja da Rawa, kuma daga 2.9V zuwa 3.5V don Kore. Matsakaicin juzu'in yanzu (Ir) shine 10 μA a juzu'in ƙarfin lantarki (Vr) na 5V ga duk launuka.

3. Bayanin Tsarin Binning

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LED ɗin cikin kwandon bin bisa ƙarfin haskensu.

3.1 Binning na Ƙarfin Hasken Gani

Tsarin binning yana rarraba LED ta hanyar aunin fitar haske a 20mA. Kowane kwandon yana da ƙayyadaddun ƙima mafi ƙanƙanta da mafi girma, tare da jurewar +/-15% a cikin kowane kwandon. Don guntayen Ja, ana yiwa kwandon lakabin P (45.0-71.0 mcd), Q (71.0-112.0 mcd), da R (112.0-180.0 mcd). Guntayen Kore yana amfani da kwandon Q (71.0-112.0 mcd), R (112.0-180.0 mcd), S (180.0-280.0 mcd), da T (280.0-450.0 mcd). Ana sanya guntayen Rawa a matsayin Q (71.0-112.0 mcd), R (112.0-180.0 mcd), da S (180.0-280.0 mcd). Wannan tsarin yana ba masu zane damar zaɓar abubuwan da suka dace da takamaiman buƙatun haske don aikace-aikacensu.

4. Bita na Lanƙwasa Aiki

Yayin da aka ambaci takamaiman bayanan hoto a cikin takardar bayani, lanƙwasa na yau da kullun don irin wannan na'urar zai nuna mahimman alaƙa. Lanƙwasa na gaba na yanzu da ƙarfin lantarki na gaba (I-V) yana nuna alaƙar ma'auni, mai mahimmanci don ƙirar da'irar iyakance yanzu. Lanƙwasa na dangi na ƙarfin haske da gaba na yanzu yana nuna yadda fitar haske ke ƙaruwa tare da yanzu, har zuwa matsakaicin ma'auni. Lanƙwasa rarraba bakan zai nuna ƙunƙun rukunin fitarwa na halayen AlInGaP (Ja/Rawa) da InGaN (Kore) kayan semiconductor, yana ayyana cikakken fitar launi. Fahimtar waɗannan lanƙwasa yana da mahimmanci don inganta yanayin tuƙi da hasashen aiki a ƙarƙashin yanayi daban-daban na aiki.

5. Bayanin Injiniya da Kunshi

5.1 Girman Kunshi da Sanya Pin

LTST-C19HRGYW ya yi daidai da daidaitaccen tsarin kunshi na EIA. Launin ruwan tabarau fari ne mai watsewa. Launukan tushe na ciki da sanya fil ɗin su masu dacewa sune: Pin 1 don guntayen AlInGaP Ja, Pin 2 don guntayen InGaN Kore, da Pin 3 don guntayen AlInGaP Rawa. Duk juzu'in girma shine ±0.1 mm sai dai idan an ƙayyade in ba haka ba. Ya kamata a duba zanen injiniya daidai don lissafin sanyawa da sharewa mai mahimmanci.

5.2 Pad ɗin Haɗin PCB da Aka Ba da Shawara

An ba da tsarin ƙasa da aka ba da shawarar (sawun ƙafa) don tabbatar da ingantaccen gyarawa da daidaitawar injiniya yayin aikin reflow. Yin bin wannan tsarin yana taimakawa hana tombstoning (kayan aiki a tsaye) kuma yana tabbatar da samuwar fillet ɗin gyarawa mai kyau, wanda ke da mahimmanci ga haɗin lantarki da ƙarfin injiniya.

6. Jagororin Gyarawa da Haɗawa

6.1 Sigogin Gyarar IR Reflow

Don hanyoyin gyarar mara gubar (Pb-free), ana ba da shawarar takamaiman bayanin yanayin zafin jiki. Matsakaicin zafin jiki bai kamata ya wuce 260°C ba, kuma lokacin da ya wuce 260°C ya kamata a iyakance shi zuwa matsakaicin dakika 10. An kuma ayyana matakin dumama kafin. Yana da mahimmanci a bi waɗannan jagororin don hana lalacewar zafi ga kunshin LED, kamar rabuwa ko fashe, wanda zai iya rage aiki ko haifar da gazawa.

6.2 Yanayin Ajiya da Sarrafawa

Sarrafa daidai yana da mahimmanci ga amincin aiki. Na'urar tana da hankali ga fitarwa na electrostatic (ESD); saboda haka, matakan kariya na anti-static kamar rigunan wuyan hannu da kayan aikin ƙasa wajibi ne yayin sarrafawa. Don ajiya, buhunan hana danshi da ba a buɗe ba (tare da bushewa) ya kamata a kiyaye su a ≤30°C da ≤90% RH, tare da tsawon rayuwar shekara guda. Da zarar an buɗe, ya kamata a adana abubuwan a ≤30°C da ≤60% RH kuma ya kamata su yi reflow na IR a cikin mako guda (Matakin Hankalin Danshi 3, MSL 3). Idan an adana tsawon lokaci daga asalin jakar, ana buƙatar gasa a 60°C na aƙalla sa'o'i 20 kafin gyarawa don cire danshin da aka sha kuma a hana "popcorning" yayin reflow.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan gyarawa, kawai ya kamata a yi amfani da takamaiman kaushi. Nitsewar LED a cikin barasa na ethyl ko isopropyl a yanayin zafi na yau da kullun na ƙasa da minti ɗaya yana yarda. Masu tsaftacewa na sinadarai da ba a ƙayyade ba na iya lalata kunshin filastik ko ruwan tabarau.

7. Bayanin Kunshi da Oda

Ana ba da LED ɗin a cikin tsarin tef da reel wanda ya dace da injunan zaɓe da sanyawa ta atomatik. Faɗin tef ɗin shine 8mm, an nannade shi akan reels masu diamita inci 7. Kowane reel yana ɗauke da guda 4000. Don adadin ƙasa da cikakken reel, mafi ƙarancin adadin shiryawa na guda 500 yana samuwa. Kunshin ya yi daidai da ƙayyadaddun ANSI/EIA 481. An rufe tef ɗin da tef ɗin murfi don kare abubuwan, kuma matsakaicin adadin abubuwan da ba a samu ba a jere a cikin tef ɗin shine biyu.

8. Shawarwari na Aikace-aikace da Abubuwan Ƙira

8.1 Da'irori na Aikace-aikace na Yau da Kullun

Dole ne a tuƙi kowane guntayen launi a cikin kunshi da kansa. Da'irar tuƙi ta yau da kullun ta ƙunshi resistor mai iyakance yanzu a jere tare da kowane anode (fil). Ana ƙididdige ƙimar resistor ta amfani da Dokar Ohm: R = (Vcc - Vf) / If, inda Vcc shine ƙarfin lantarki, Vf shine ƙarfin lantarki na gaba na takamaiman guntayen LED (yi amfani da matsakaicin ƙima daga takardar bayani don amincin aiki), kuma If shine gaban yanzu da ake so (kada ya wuce ma'aunin DC). Don haɗawa ko sarrafawa mai zurfi, ana iya amfani da direbobi na yanzu na yau da kullun ko PWM (Gyaran Faɗin Bugun Jini) don daidaita haske da ƙirƙirar tasirin haɗa launuka tsakanin tashoshi uku.

8.2 Abubuwan Ƙira da Gargaɗi

An yi nufin wannan LED don kayan aikin lantarki na gaba ɗaya. Don aikace-aikacen da ke buƙatar amincin aiki na musamman inda gazawar zai iya haifar da haɗari (misali, jirgin sama, na'urorin likita), tuntuɓar mai ba da kayan aiki yana da mahimmanci kafin ƙira. Ba a tsara na'urar don aikin juzu'in ƙarfin lantarki ba; yin amfani da juzu'in baya fiye da yanayin gwaji (5V) na iya haifar da lalacewa. Ya kamata a yi la'akari da sarrafa zafin jiki idan ana aiki kusa da matsakaicin ma'auni na yanzu ko a cikin yanayin zafi mai girma, saboda zafi mai yawa zai iya rage fitar haske da tsawon rayuwa. Faɗin kusurwar kallo yana sa ya yi kyau don hasken yanki amma yana iya buƙatar jagororin haske ko masu watsewa don takamaiman siffar katako.

9. Kwatancen Fasaha da Bambance-bambance

Babban abin da ya bambanta LTST-C19HRGYW shine ikonsa na guntaye masu yawa, cikakken launi a cikin kunshin SMD mai siriri sosai. Idan aka kwatanta da amfani da LED guda uku masu launi guda ɗaya, yana ba da tanadin sarari mai mahimmanci akan PCB kuma yana sauƙaƙa tsarin haɗawa. Amfani da fasahar AlInGaP don Ja da Rawa yana ba da inganci mai kyau da tsaftar launi mai kyau, yayin da ake amfani da fasahar InGaN don guntayen Kore. Kusurwar kallo na digiri 130 tana da faɗi sosai, yana ba da haske mai daidaito idan aka kwatanta da na'urori masu kusurwa kunkuntar. Dacewarsa da tsarin reflow na IR na yau da kullun ya daidaita shi da manyan layukan haɗawa na SMT.

10. Tambayoyin da ake yawan yi (Dangane da Sigogi na Fasaha)

Q: Shin zan iya tuƙi duk launuka uku lokaci guda a matsakaicin yanzu na DC?

A: A'a. Dole ne a yi la'akari da raguwar wutar lantarki da iyakokin zafin jiki na kunshin da aka raba. Tuƙi duk guntaye guda uku a matsakaicin yanzu na DC ɗin su (30mA+20mA+30mA=80mA gabaɗaya) zai yiwu ya wuce ƙarfin zafin jiki na kunshi sai dai idan an ba da zafin jiki mai kyau. Yana da kyau a tuntuɓi lanƙwasa raguwa ko aiki a ƙananan igiyoyin ruwa don aiki mai ƙarfi lokaci guda.

Q: Menene bambanci tsakanin tsayin raƙuman ruwa da tsayin raƙuman ruwa?

A: Matsakaicin tsayin raƙuman ruwa (λP) shine tsayin raƙuman ruwa wanda bakan fitarwa yake da matsakaicin ƙarfinsa. Matsakaicin tsayin raƙuman ruwa (λd) an samo shi daga zanen chromaticity na CIE kuma yana wakiltar tsayin raƙuman ruwa guda ɗaya na launin bakan cikakke wanda ya dace da launin da ake ganin LED. λd yana da alaƙa ta kusa da fahimtar launin ɗan adam.

Q: Ta yaya zan fassara lambar kwandon lokacin yin oda?

A: Lambar kwandon (misali, R don Ja) tana ƙayyadadden kewayon ƙarfin haske da aka garantiyance don wannan takamaiman LED. Dole ne ka ƙayyade lambar (lambobin) kwandon da ake so ga kowane launi lokacin yin oda don tabbatar da zanen ku ya karɓi LED tare da halayen haske da ake buƙata don daidaiton bayyanar samfur da aiki.

11. Misalin Aikace-aikace na Aiki

Yanayi: Mai Nuna Matsayi don Router ɗin Hanyar Sadarwa

Mai zane yana buƙatar mai nuni guda ɗaya don nuna yanayin tsarin da yawa: Kashe (babu haske), Booting (Rawa yana kyalkyali), Aiki na Yau da Kullun (Kore mai ƙarfi), Kuskuren Hanyar Sadarwa (Ja mai ƙarfi), da Ayyukan Bayanai (Kore yana kyalkyali). LTST-C19HRGYW zaɓi ne mai kyau. Za a iya haɗa fil ɗin microcontroller GPIO zuwa kowane cathode (tare da masu iyakance yanzu masu dacewa a gefen anode gama gari). Software na iya sarrafa kowane launi da kansa: kunna Rawa don boot, Kore don na yau da kullun, Ja don kuskure, da sauya Kore don ayyukan bayanai. Wannan yana maye gurbin LED guda uku daban-daban, yana adana sararin allo da ƙididdigar kayan aiki yayin ba da tsaftataccen nuni mai yawa daga wuri guda.

12. Gabatarwar Ka'idar Aiki

Diodes masu fitar da haske (LEDs) na'urori ne na semiconductor waɗanda ke fitar da haske lokacin da wutar lantarki ta wuce ta cikinsu. Ana kiran wannan al'amari electroluminescence. A cikin LTST-C19HRGYW, ana amfani da tsarin kayan semiconductor daban-daban guda biyu. Guntayen Ja da Rawa an yi su ne daga Aluminium Indium Gallium Phosphide (AlInGaP), wanda ke da inganci don samar da haske a cikin bakan ja zuwa rawaya-orange. Guntayen Kore an yi shi ne daga Indium Gallium Nitride (InGaN), wanda shine daidaitaccen kayan don samar da hasken shuɗi da kore. Lokacin da aka yi gaba da son rai, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki na semiconductor, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman launin hasken an ƙaddara shi ta hanyar makamashin bandgap na kayan semiconductor.

13. Trends na Fasaha

Ci gaban SMD LEDs kamar LTST-C19HRGYW yana bin wasu mahimman trends na masana'antu. Akwai ci gaba da tuƙi zuwa ƙananan ƙira, yana ba da damar ƙarin abubuwa da fasali a cikin ƙananan na'urori. Mafi girman inganci wani babban trend ne, yana haifar da mafi girman fitar haske a kowace naúrar wutar lantarki (mafi girman tasiri), wanda ke da mahimmanci don aikace-aikacen da ke da baturi. Ingantaccen bayyana launi da ƙananan jurewar binning suma wuraren mayar da hankali ne, suna ba da damar samar da launi mai daidaito da daidaito a cikin nuni da haske. Bugu da ƙari, ingantaccen amincin aiki da ƙarfi ga yanayi masu tsauri, tare da dacewa da hanyoyin gyarawa masu zafi, ci gaba ne na ci gaba don biyan buƙatun ci-gaban motoci da aikace-aikacen masana'antu.