Bayanin LED Blue SMD - Girman 2.8x3.5x0.65mm - Ƙarfin lantarki 2.8-3.4V - Wutar 1.224W - Takardar Fasaha na Hausa

1. Duban Samfur

Wannan bayanin ya ƙunshi cikakkun sigogi na fasaha da jagororin sarrafa hasken LED shuɗi mai inganci wanda aka ƙera don aikace-aikacen haɗawa ta saman. Na'urar tana amfani da tsarin kayan semiconductor na InGaN don samar da hasken shuɗi kuma an haɗa shi cikin ƙaƙƙarfan kunshin PLCC. Girman sa daidaitacce da dacewar SMT sun sa ya dace da tsarin haɗa kai ta atomatik a cikin wuraren masana'antu masu yawan kaya.

1.1 Fa'idodi na Asali da Kasuwar Manufa

Babban fa'idodin wannan LED sun haɗa da faffadan kusurwar kallo na digiri 120, wanda ke tabbatar da rarraba haske daidai gwargwado, da bin umarnin RoHS. Matakin hankali na danshi shine Mataki na 3, yana nuna takamaiman buƙatun sarrafawa kafin siyarwa. Kasuwomin manufa sun ƙunshi nau'ikan aikace-aikace da yawa waɗanda suka haɗa da, amma ba'a iyakance su ba, hasken gine-gine na otal da wuraren kasuwanci, nunin bayanai na cikin gida, hasken ƙayatar da shimfidar wuri, da dalilan haskakawa na gabaɗaya inda ake buƙatar amintattun tushen hasken shuɗi.

2. Bincike Mai zurfi na Ma'auni na Fasaha

Ayyukan LED ana bayyana shi ta halayensa na lantarki, na gani, da na zafi. Fahimtar waɗannan ma'auni yana da mahimmanci don ƙera da'ira daidai da tabbatar da dogon aminci.

2.1 Halaye na Lantarki da Na Gani

Duk ma'auni an daidaita su a kusan zafin yanayi (Ts) na 25°C. Ƙarfin lantarki na gaba (VF) ya bambanta daga 2.8V zuwa 3.4V yayin tuƙi da ƙayyadaddun halin yanzu na 300mA. Wannan ma'auni yana da mahimmanci don ƙira mai tuƙi, yayin da yake ƙayyade buƙatun wutar lantarki. Fitar hasken ƙwaƙwalwa (Φv) yana tsakanin lumens 26 zuwa 36 a ƙarƙashin yanayi guda na 300mA, yana bayyana hasken na'urar. Tsayin raƙuman ruwa mai rinjaye (λd) yana ƙayyadad da wurin launi, ya bazu daga 465 nm zuwa 475 nm, wanda yake cikin bakan shuɗi mai daraja. Kusurwar kallo (2θ1/2), inda ƙarfi ya ragu zuwa rabi, yawanci digiri 120 ne, yana samar da tsarin fitarwa mai faɗi sosai. Halin yanzu na baya (IR) an ƙaddara shi da matsakaicin 10 µA a 5V baya bias, yana nuna halayen yoyo na diode.

2.2 Matsakaicin Matsakaicin Ƙimar da Gudanar da Zafin Jiki

Wucewa da matsakaicin matsakaicin ƙima zai iya haifar da lalacewa ta dindindin. Matsakaicin halin yanzu na gaba (IF) da aka yarda shine 360 mA don aiki na DC mai ci gaba. Ana ba da izinin mafi girma kololuwar halin yanzu na gaba (IFP) na 400 mA amma kawai a ƙarƙashin yanayin bugun jini tare da aikin 1/10 da faɗin bugun 0.1ms don hana yin zafi sosai. Matsakaicin ƙarfin lantarki na baya (VR) shine 5V. Ya kamata a rage wutar lantarki gabaɗaya (PD) ba ta wuce 1224 mW ba. Thermal resistance na junction-to-solder point (RTHJ-S) shine 35°C/W. Wannan ƙimar tana da mahimmanci don ƙirar zafi; yana ƙididdige nawa zafin junction yana tashi ga kowane watt na wutar lantarki da aka ɓata. Matsakaicin zafin junction da aka yarda (TJ) shine 110°C. Daidaitaccen raƙuman zafi ta hanyar PCB pads yana da mahimmanci don kiyaye zafin junction a cikin iyakokin aminci, musamman yayin aiki a mafi girman halin yanzu ko a cikin yanayin yanayi mai girma. Kewayon zafin aiki daga -40°C zuwa +85°C, kewayon zafin ajiya daga -40°C zuwa +100°C.

3. Bayanin Tsarin Binning

Don tabbatar da daidaito a cikin samarwa mai yawa, LED ana raba su cikin kwandon asusu bisa mahimman ma'auni da aka auna a gwajin gwajin na 300mA. Wannan yana ba masu ƙira damar zaɓar sassa waɗanda suka dace da takamaiman ma'auni na aiki don aikace-aikacen su.

3.1 Gaban Voltage Binning

Ƙarfin lantarki na gaba an rarraba shi zuwa kwandon asusu guda uku: G0 (2.8V - 3.0V), H0 (3.0V - 3.2V), da I0 (3.2V - 3.4V). Zaɓar LED daga ƙaramin kwandon asusu na ƙarfin lantarki zai iya sauƙaƙa ƙirar direba ta hanyar rage bambancin ƙarfin lantarki a fadin LED.

3.2 Hasken Binning

Ana rarraba fitarwa mai haske zuwa kwandon asusu huɗu: QIA (26-28 lm), REA (28-30 lm), RFA (30-33 lm), da RGA (33-36 lm). Wannan binning yana da mahimmanci don aikace-aikacen da ke buƙatar matsakaicin matakan haske, kamar a cikin kayan aikin hasken baya na nunin.

3.3 Rinjayen Binning Tsayin Raƙuman Ruwa

An raba launi (tsayin raƙuman ruwa mai rinjaye) zuwa kwandon asusu huɗu: D10 (465-467.5 nm), D20 (467.5-470 nm), E10 (470-472.5 nm), da E20 (472.5-475 nm). Don aikace-aikacen ma'ana mai mahimmanci, ƙayyadaddun ƙaramin tsayin raƙuman ruwa yana tabbatar da ƙaramin canjin launi tsakanin raka'o'i daban-daban.

4. Binciken Lankwalin Ayyuka

Ƙididdigar halaye da aka bayar suna ba da haske mai mahimmanci game da halayen LED a ƙarƙashin yanayin aiki daban-daban.

4.1 Halin yanzu na gaba da ƙarfin lantarki na gaba (Mai Lankwali IV)

Mai lankwalin yana nuna alaƙar da ba ta dace ba na diode. Ƙarfin lantarki na gaba yana ƙaruwa da halin yanzu, amma ƙimar haɓaka ba ta layi daya ba. A wurin aiki na yau da kullun na 300mA, ƙarfin lantarki yana kusan 3.0V zuwa 3.2V. Dole ne masu ƙira su tabbatar cewa mai tuƙi na halin yanzu zai iya samar da ƙarfin lantarki da ake buƙata, musamman la'akari da yaduwar kwandon asusu da tasirin zafin jiki.

4.2 Halin yanzu na gaba da ƙarfin ƙwaƙwalwa mai dangi

Wannan mai lankwalin yana nuna cewa fitarwa mai haske yana kusan daidai da halin yanzu na gaba a cikin kewayon aiki na yau da kullun. Duk da haka, tuƙi LED fiye da matsakaicin ƙimar ƙimar ƙima ba zai haifar da haɓakar haske daidai gwargwado ba kuma zai rage rayuwarsa sosai saboda yawan zafi.

4.3 Dogaro da Zazzabi

Manyan lankwala biyu suna kwatanta tasirin zafin jiki: Hasken ƙwaƙwalwa mai dangi da Tsayin zafin Solder Point (Ts) da Halin yanzu na gaba da Ts. Yayin da zafin jiki ya tashi, fitarwa mai haske gabaɗaya yana raguwa, wani al'amari da aka sani da thermal quenching. A lokaci guda, ƙarfin lantarki na gaba yana raguwa kadan tare da ƙara zafin jiki. Dole ne a biya waɗannan tasirin a cikin ingantattun tsarin haske, sau da yawa ta hanyar hanyoyin sarrafa amsa a cikin da'irar direba.

5. Bayanan Injiniya da Marufi

5.1 Girman Kunshin da Tolerances

Na'urar tana da ƙafafun murabba'i mai tsawon 2.80 mm da faɗin 3.50 mm, tare da tsayin hoto na 0.65 mm. Duk tolerances girma ±0.2 mm sai dai idan an ƙayyade akasin haka. Cikakkun ra'ayoyin sama, gefe, da ƙasa, tare da ganewar polarity (yawanci ta hanyar alamar cathode ko yanke kusurwa) da ƙirar ƙirar ƙirar gada da aka ba da shawarar, suna da mahimmanci don shimfidar PCB. Yin biyayya ga tsarin gada da aka ba da shawarar yana tabbatar da samuwar haɗin gwiwa mai kyau, kwanciyar hankali na injiniya, da mafi kyawun watsa zafi daga mutuwar LED.

6. Jagororin Siyarwa da Taro

6.1 Umarnin Siyar da SMT

Wannan LED ya dace da daidaitattun hanyoyin siyar da infrared (IR) ko convection. Saboda matakin sa na Hankali na Danshi (MSL) na 3, dole ne a gasa kayan kafin siyarwa idan an buɗe jakar bushewa da aka rufe kuma lokacin bayyanawa ga danshi na yanayi ya wuce takamaiman iyaka (yawanci sa'o'i 168 a ≤30°C/60% RH). Matsakaicin bayanin martaba na reflow ya kamata ya sami yankin preheat don ɗaga zafin jiki a hankali, yankin jikewa don kunna juzu'i da daidaita yanayin zafi, yankin kololuwar reflow inda solder ya narke (yawanci tare da matsakaicin zafin jiki bai wuce 260°C ba na tsawon lokacin da mai ƙera man ƙarfe ya ba da shawarar), da yankin sanyaya mai sarrafawa. Dole ne a guji wucewa matsakaicin zafin junction na 110°C yayin wannan tsari.

7. Bayanan Marufi da Oda

Ana ba da kayan a kan kaset ɗin mai ɗaukar kaya waɗanda aka nannade akan reels, masu dacewa da injunan zaɓe da wuri na atomatik. Girman tef ɗin mai ɗaukar kaya, girman reel, da ƙayyadaddun lakabin suna tabbatar da dacewa da kayan aikin SMT na yau da kullun. Don kariya daga danshi, ana yin amfani da reels a cikin jakunkuna masu rufi tare da desiccant da katunan nuna danshi. Marufi na waje yawanci ya ƙunshi akwatunan kati don jigilar kaya. Takamaiman faɗin tef, tazarar aljihu, da cikakkun bayanai na diamita na reel suna da mahimmanci don saitin mai ciyarwa akan layukan taro.

8. Shawarwarin Aikace-aikace

Bayan aikace-aikacen da aka jera (otaloli, kasuwanni, nuni na cikin gida, hasken shimfidar wuri), wannan LED ya dace da hasken baya na ƙananan allon LCD, fitilun nuna matsayi a cikin kayan lantarki na masu amfani, tsiri na hasken kayan ado, da hasken cikin mota (wanda ba mai mahimmanci ba). Abubuwan da aka yi la'akari da ƙira sun haɗa da: aiwatar da direba mai ci gaba don fitarwa mai haske, samar da isassun hanyoyin zafi da yankin tagulla akan PCB don watsa zafi, guje wa yawan lantarki daga fitarwa ta tsaye (ana ba da shawarar da'irorin kariya na ESD kamar yadda ƙimar HBM ESD ta kasance 2000V), da tabbatar da ƙirar gani ta yi la'akari da kusurwar kallo na digiri 120 don rarraba haske da ake so.

9. Tambayoyin da aka fi yawan yi (Dangane da Ma'auni na Fasaha)

9.1 Wane direba ake buƙata don wannan LED?

Direba mai ci gaba dole ne. Ya kamata mai tuƙi ya iya samar da har zuwa 360 mA DC kuma dole ne ya ɗauki kewayon ƙarfin lantarki na gaba na 2.8V zuwa 3.4V kowane LED, gami da kowane jerin ko haɗin kai.

9.2 Ta yaya zafin jiki ke shafar aiki?

Yayin da zafin jiki ya ƙaru, fitarwa mai haske yana raguwa, kuma ƙarfin lantarki na gaba yana raguwa. Don aiki mai daidaito, sarrafa zafi yana da mahimmanci. Aiki kusa da matsakaicin ƙimar ƙimar halin yanzu a cikin babban yanayin yanayi na iya buƙatar rage ƙimar halin yanzu.

9.3 Menene ma'anar lambobin kwandon asusu?

Lambobin kwandon asusu kamar "RF-BNRI35TS-EK-2T" da lambobin VF/Φv/λd (misali, H0, RFA, E10) suna ƙayyadad da ainihin yanki na aikin LED. Yin odar ta lambar kwandon asusu yana tabbatar da cewa kuna karɓar LED tare da halaye masu matsi don aikin ku.

10. Nazarin Aiki na Aiki: Module na Nunin Cikin Gida

Yi la'akari da ƙira don allon nunin LED na cikin gida mai ƙaƙƙwaran tsagi. Ta amfani da wannan LED shuɗi, mai ƙira zai zaɓi takamaiman kwandon asusu na haske (misali, RFA don 30-33 lm) da kwandon asusu na tsayin raƙuman ruwa (misali, E10 don 470-472.5 nm) don tabbatar da daidaiton launi da haske a fadin allo. Za a tuka LED a halin yanzu ƙasa da mafi girma, watakila 280mA, don haɓaka tsawon rai da rage nauyin zafi. PCB zai haɗa da ƙaƙƙarfan filin ƙasa da kayan taimako na zafi a ƙarƙashin kowane LED. Faffadan kusurwar kallo yana ba da damar ganuwa mai kyau ko da daga kusurwoyi masu karkata, wanda ke da kyau don alamun alama da nunin bayanai.

11. Ka'idar Aiki

Wannan diode ne na semiconductor wanda ya danganta da tsarin rijiyar quantum mai yawa na InGaN. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce kofa na diode, ana cusa electrons da ramuka cikin yankin aiki inda suke sake haɗuwa, suna sakin makamashi a cikin nau'in photons. Takamaiman makamashin bandgap na kayan InGaN yana ƙayyade tsayin raƙuman ruwa na hasken da aka fitar, a wannan yanayin, shuɗi. Ruhun epoxy ko silicone na kunshin PLCC yana siffanta fitarwa mai haske kuma yana ba da kariyar muhalli.

12. Trends na Masana'antu da Ci gaba

Masana'antar LED na ci gaba da mai da hankali kan ƙara ingantaccen haske (lumens a kowace watt), inganta ma'anar ba da launi (CRI) don aikace-aikacen farin haske, da rage farashin kowane lumen. Don LED masu launi ɗaya kamar wannan na'urar shuɗi, abubuwan da suka shiga sun haɗa da tura mafi girman yawan wutar lantarki a cikin ƙananan kunshin, cimma ƙaramin rarraba tsayin raƙuman ruwa don launuka masu tsafta, da haɓaka dogon aminci na dogon lokaci a ƙarƙashin yanayin aiki mai zafi. Matsi zuwa ƙarin ingantattun kayan marufi masu ɗorewa shima ya kasance babban yanki na bincike.