Takardar Bayani na PLCC-4 LED Mai Sanyi - Kunshin 3.2x2.8x1.9mm - Ƙarfin Wutar Lantarki 3.1V - Wutar Lantarki 0.093W - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

Wannan takarda tana cikakken bayani game da ƙayyadaddun bayanai na LED mai haske mai ƙarfi, Mai Sanyi, a cikin kunshin PLCC-4 (Plastic Leaded Chip Carrier) mai hawa a saman. Babban abin da aka fi mayar da hankali a kan ƙira shi ne dogaro da aiki mai kyau don yanayin mota mai tsanani, musamman ma aikace-aikacen hasken waje. Babban fa'idodinsa sun haɗa da faɗin kusurwar kallo, ƙirar ƙarfi don yanayi mai tsanani, da bin ƙa'idodin mota da muhalli masu tsauri.

2. Bincike Mai Zurfi na Ma'auni na Fasaha

2.1 Siffofin Hasken Wuta da Na'urar Lantarki

Na'urar tana aiki a matsakaicin halin yanzu na gaba (I_F) na 30 mA. A cikin wannan yanayin, tana ba da matsakaicin ƙarfin haske (I_V) na 3350 millicandelas (mcd), tare da mafi ƙarancin 2240 mcd da matsakaicin 5600 mcd. Matsakaicin ƙarfin wutar lantarki na gaba (V_F) shine 3.10 volts, daga 2.75V zuwa 3.75V. Babban tsayin raƙuman ruwa ana siffanta shi da ma'aunin launi na CIE 1931 na x=0.33 da y=0.34, wanda ke bayyana wurin launinsa na Sanyi. Rarraba haske ta sarari ana bayyana shi da faɗin kusurwar kallo na digiri 120 (2θ_½), yana ba da haske mai faɗi.

2.2 Matsakaicin Matsakaicin Ƙididdiga da Gudanar da Zafi

Dole ne a kiyaye iyakoki masu mahimmanci don tabbatar da tsawon rayuwar na'urar. Matsakaicin ci gaba na halin yanzu na gaba shine 60 mA, tare da ikon halin yanzu na 250 mA don bugun jini ≤10 μs. Matsakaicin ɓarnawar wutar lantarki shine 225 mW. Zafin haɗin gwiwa (T_J) bai kamata ya wuce 125°C ba, tare da kewayon zafin aiki daga -40°C zuwa +110°C. Gudanar da zafi yana da mahimmanci; juriyar zafi daga haɗin gwiwa zuwa wurin gudanarwa (R_thJS) an ƙayyade shi da matsakaicin 150 K/W (na gaske) da 100 K/W (na lantarki). Ya zama dole a tsara PCB na zafi don kiyaye T_Ja cikin iyakoki masu aminci.

3. Bincike na Lankwasa Aiki

3.1 Halin Yanzu na Gaba da Ƙarfin Wutar Lantarki (Lankwasa I-V)

Jadawalin I-V yana nuna alaƙa tsakanin halin yanzu na gaba da ƙarfin wutar lantarki a 25°C. Lankwasa ta kasance ta yau da kullun don diode na semiconductor, tana nuna haɓaka mai yawa. Masu ƙira suna amfani da wannan don ƙididdige ƙimar resistor na jerin ko buƙatun da'irar direba don cimma halin yanzu na aiki da ake so.

3.2 Matsakaicin Ƙarfin Hasken Dangi da Halin Yanzu na Gaba

Wannan jadawalin yana nuna cewa fitar da haske yana ƙaruwa tare da halin yanzu amma yana nuna alaƙar ƙasa da layi a halin yanzu mafi girma, musamman saboda ƙaruwar zafin haɗin gwiwa da raguwar inganci. Ana daidaita fitarwa zuwa ƙimarsa a 30 mA.

3.3 Dogaro da Zafin Jiki

Jadawali biyu masu mahimmanci suna nuna bambancin aiki tare da zafin haɗin gwiwa (T_J) a matsakaicin halin yanzu na direba na 30 mA. JadawalinMatsakaicin Ƙarfin Hasken Dangi da Zafin Haɗin Gwiwayana nuna raguwar fitar da haske yayin da zafin jiki ya ƙaru, wata siffa ta gama gari na LEDs. JadawalinMatsakaicin Ƙarfin Wutar Lantarki na Gaba da Zafin Haɗin Gwiwayana nuna ƙimar zafin jiki mara kyau, inda V_Fyana raguwa a layi daya tare da haɓaka T_J. Wannan kadarar wani lokaci ana iya amfani da ita don gano zafin jiki.

3.4 Canjin Launi

Jadawalin da ke nuna ΔCIE x da ΔCIE y akan halin yanzu na gaba da zafin haɗin gwiwa suna nuna kwanciyar hankali na wurin launin fari. Ƙananan canje-canje suna faruwa, waɗanda ke da mahimmanci ga aikace-aikacen da ke buƙatar bayyanar launi mai daidaito.

3.5 Rage Halin Yanzu na Gaba

Jadawali mai mahimmanci don dogaro, lankwasa rage ƙarfi tana nuna matsakaicin halin yanzu na gaba da aka halatta akan zafin wurin gudanarwa (T_S). Yayin da T_Sya ƙaru, dole ne a rage halin yanzu na I_Fdon hana wuce matsakaicin zafin haɗin gwiwa. Misali, a T_S=110°C, matsakaicin I_Fshine 31 mA. Kada a yi amfani da na'urar a ƙasa da 8 mA.

3.6 Ƙarfin Gudanar da Bugun Jini

Wannan jadawalin yana bayyana matsakaicin halin yanzu na bugun jini da aka halatta (I_F(AV)) don wani faɗin bugun jini (t_p) da tsarin aiki (D). Yana ba masu ƙira damar fahimtar ikon LED don aikin bugun jini, kamar a cikin PWM dimming ko aikace-aikacen sigina.

3.7 Rarraba Bakan

Jadawalin rarraba ƙarfin bakan dangi yana nuna ƙarfin hasken da aka fitar a cikin tsayin raƙuman ruwa, na yau da kullun don LED fari mai canzawa, tare da kololuwar famfo shuɗi da mafi faɗin rukunin fitar da phosphor rawaya.

4. Bayanin Tsarin Rarraba

4.1 Rarraba Ƙarfin Hasken Wuta

Ana rarraba samfurin zuwa kwandon aiki bisa ga ƙarfin hasken da aka auna a 30 mA. Tsarin rarraba yana da faɗi, daga lambar L1 (11.2-14 mcd) zuwa GA (18000-22400 mcd). Ga wannan bambance-bambancen na musamman, an haskaka kwandon fitarwa mai yuwuwa, tare da matsakaicin ƙimar 3350 mcd yana cikin kwandon CA (2800-3550 mcd). Wannan yana ba masu ƙira damar zaɓar sassa tare da matakan haske masu daidaito.

4.2 Rarraba Launi (Launi)

Ana sarrafa wurin launin Sanyi a cikin takamaiman murabba'ai akan jadawalin launi na CIE 1931. Takardar bayani tana bayyana kwandon aiki kamar 64A, 64B, 64C, 64D, 60A, da 60B, kowannensu yana da saitin ma'auni huɗu (x,y) waɗanda suka zama kusurwoyin yankin launi da aka halatta. Kewayon tunanin zafin launi (CCT) don waɗannan kwandon aiki yana tsakanin 6240K da 6680K, yana tabbatar da bayyanar sanyi. Wannan yana tabbatar da daidaiton launi a cikin aikace-aikacen LED da yawa.

5. Bayanin Injiniya da Kunshin

Na'urar tana amfani da daidaitaccen kunshin PLCC-4 mai hawa a saman. Duk da cewa ba a ba da cikakkun ma'auni a cikin rubutun da aka ciro ba, kunshin PLCC-4 na yau da kullun yana da ƙafar ƙafa kusan 3.2mm x 2.8mm tare da tsayi kusan 1.9mm. Kunshin ya haɗa da fakitin zafi don taimakawa wajen kawar da zafi. Ana nuna polarity ta hanyar siffar kunshin ko alamar cathode. An ba da shimfidar wurin gudanarwa da aka ba da shawarar don tabbatar da haɗin gudanarwa mai dogaro da ingantaccen aikin zafi.

6. Jagororin Gudanarwa da Haɗawa

6.1 Bayanin Siffar Gudanarwa

An ƙididdige LED don gudanarwa tare da matsakaicin zafin jiki na 260°C na matsakaicin dakika 30. Wannan ya dace da daidaitattun hanyoyin gudanarwa marasa gubar (Pb-free). Dole ne a bi matsakaicin siffar gudanarwa tare da matakan dumama, jiƙa, gudanarwa, da sanyaya, tare da tabbatar da cewa zafin jiki a kan jagororin LED bai wuce ƙayyadaddun iyaka ba.

6.2 Ƙoƙarin Kariya don Amfani

Ƙoƙarin kariya na gabaɗaya sun haɗa da amfani da kariyar ESD da ta dace yayin haɗawa, saboda na'urar tana da hankalin ESD na 8 kV (HBM). A guji amfani da matsin lamba na injiniya akan ruwan tabarau. Ba a ƙera samfurin don aikin ƙarfin wutar lantarki na baya ba. Ya kamata a adana shi a cikin yanayi mai bushewa, mai sarrafawa, bin buƙatun Matakin Hankalin Danshi (MSL) 3, wanda yawanci ke ba da umarnin gasa idan kunshin ya fallasa ga iskar yanayi fiye da sa'o'i 168 kafin gudanarwa.

7. Dogaro da Bin Ka'ida

Wannan LED ya cancanci ƙa'idar AEC-Q102, wanda shine mahimmin ƙayyadaddun gwajin damuwa na dogaro don semiconductors na gani a cikin aikace-aikacen mota. Hakanan yana da siffar ƙarfin sulfur wanda aka ƙididdige shi a matakin A1, yana ba da juriya ga yanayi mai lalata mai ɗauke da iskar gas sulfur, wanda ke da mahimmanci ga yanayin mota da masana'antu. Samfurin ya bi ƙa'idodin RoHS (Ƙuntata Abubuwa Masu Hadari), ƙa'idodin EU REACH, kuma ba shi da Halogen (Br<900ppm, Cl<900ppm, Br+Cl<1500ppm).

8. Shawarwarin Aikace-aikace

8.1 Babban Aikace-aikace: Hasken Waje na Mota

Babban aikace-aikacen da aka bayyana shine hasken waje na mota. Wannan ya haɗa da ayyuka kamar fitilun gudu na rana (DRLs), fitilun wuri, fitilun alamar gefe, alamun juyawa, da hasken ciki. Faɗin kusurwar kallo, babban haske, da dogaron matakin mota (AEC-Q102, faɗin kewayon zafin jiki) sun sa ya dace da waɗannan ayyuka.

8.2 Abubuwan Tunani na Ƙira

Ƙirar Zafi:Ingantaccen zafi ta hanyar PCB yana da mahimmanci. Yi amfani da shimfidar wurin gudanarwa da aka ba da shawarar, haɗa fakitin zafi zuwa zubar da tagulla, kuma yi la'akari da amfani da hanyoyin zafi zuwa ciki ko ƙasan yadudduka. Kula da zafin wurin gudanarwa (T_S) don kasancewa cikin iyakokin lankwasa rage ƙarfi.
Halin Yanzu na Direba:An ba da shawarar direba mai ci gaba da halin yanzu akan tushen ƙarfin wutar lantarki mai daidaitawa tare da resistor na jerin don ingantaccen kwanciyar hankali da tsawon rai, musamman a cikin faɗin kewayon zafin mota. Aiwatar da kariya mai dacewa na halin yanzu.
Ƙirar Gani:Kusurwar kallo na digiri 120 na iya buƙatar na'urorin gani na biyu (ruwan tabarau, masu nunawa) don siffanta katakon don takamaiman aikace-aikace kamar sigina.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da LED na kasuwanci na gabaɗaya, mahimman bambance-bambancen na wannan na'urar sunecancantar mota (AEC-Q102)daƙarfin sulfur (A1). Waɗannan ba siffofi ne na yau da kullun na LED na mabukaci ba kuma suna da mahimmanci don tsira daga zagayowar zafi, girgiza, ɗanɗano, da fallasa sinadarai da ake samu a cikin motoci. Tabbacin faɗin kewayon zafin aiki (-40°C zuwa +110°C) kuma ya wuce na daidaitattun sassa. Cikakken tsarin rarraba don duka ƙarfi da launi yana ba da matakin daidaito mafi girma don aikace-aikacen da ke buƙatar bayyanar daidaito.

10. Tambayoyin da ake yawan yi (FAQ)

Q: Menene manufar fakitin zafi?
A: Fakitin zafi yana ba da hanyar juriya ƙasa don zafi don gudana daga haɗin gwiwar LED zuwa allon da'ira da aka buga (PCB). Wannan yana da mahimmanci don sarrafa zafin haɗin gwiwa, wanda kai tsaye yana shafar fitar da haske, kwanciyar hankali na launi, da dogon lokaci na dogaro.

Q: Zan iya tuƙa wannan LED da baturin mota 12V kai tsaye?
A: A'a. Matsakaicin ƙarfin wutar lantarki na gaba shine ~3.1V. Haɗa shi kai tsaye zuwa 12V zai haifar da halin yanzu mai tsanani. Dole ne ka yi amfani da da'irar iyakance halin yanzu, kamar resistor na jerin da aka ƙididdige don mafi munin V_Fda ƙarfin wutar lantarki na baturi, ko kuma mafi kyau, mai tuƙi na LED na musamman mai ci gaba da halin yanzu.

Q: Menene MSL 3 ke nufi don ajiya?
A: Matakin Hankalin Danshi 3 yana nuna cewa ana iya adana kunshin da aka rufe a cikin yanayin yanayin masana'anta (<30°C/60% RH) har zuwa sa'o'i 168 (kwanaki 7) bayan an buɗe jakar. Idan an fallasa tsawon lokaci, dole ne a gasa sassan a 125°C na tsawon sa'o'i 24 kafin gudanarwa don hana lalacewar "popcorning" yayin gudanarwa.

Q: Yaya kwanciyar hankali launin fari akan zafin jiki da halin yanzu?
A: Duba jadawalin "Canjin Ma'aunin Launi". Duk da cewa canje-canje suna faruwa (Δx, Δy), suna da ƙanƙanta a cikin ƙayyadaddun kewayon aiki. Ga yawancin aikace-aikacen waje na mota, wannan canjin yana karɓuwa. Don aikace-aikacen daidaita launi masu mahimmanci, tuntuɓi cikakkun bayanan rarraba.

11. Nazarin Ƙira da Amfani

Labari: Ƙirar Module na Fitilar Gudu na Rana (DRL).
Mai ƙira yana ƙirƙirar ƙaramin module na DRL don mota. Sun zaɓi wannan LED don haskensa, faɗin kusurwa, da bin AEC-Q102. Module yana amfani da LED 6 a jere. Tsarin ƙira ya haɗa da:
1. Ƙirar Lantarki:Ƙididdige ƙarfin wutar lantarki na fitarwa da ake buƙata (6 * ~3.1V = ~18.6V tare da sararin sama). Zaɓar buck-boost ko haɓaka LED direba IC wanda zai iya aiki daga tsarin motar 9-16V kuma ya ba da ci gaba da 30mA (ko kaɗan don gefe) zuwa kirtani.
2. Ƙirar Zafi:Ƙirar PCB mai Layer 2 tare da babban yanki na tagulla na saman ƙasa da fakitin zafi na LED, wanda aka haɗa ta hanyar hanyoyin zafi da yawa zuwa jirgin tagulla na ƙasa wanda ke aiki azaman mai yada zafi. Ana gudanar da kwaikwayon zafi don tabbatar da T_Sya kasance ƙasa da 85°C a mafi girman zafin yanayi (misali, 70°C ƙarƙashin hular).
3. Ƙirar Gani/Injiniya:Ƙirar ruwan tabarau na polycarbonate da aka zubar don daidaita fitarwa na digiri 120 zuwa takamaiman tsarin katakon DRL kamar yadda ƙa'idodin ƙa'idodin suka tanada. Ruwan tabarau kuma yana ba da rufin muhalli (IP67).
Wannan labarin ya nuna haɗin kai na ƙirar lantarki, zafi, da gani lokacin amfani da LED masu inganci.

12. Gabatarwa da Ka'idar Aiki

Wannan LED ne mai canzawa fari. A cikin sa akwai guntu na semiconductor (yawanci bisa indium gallium nitride - InGaN) wanda ke fitar da hasken shuɗi lokacin da aka nuna shi gaba (electrons da ramuka suna sake haɗuwa a cikin haɗin gwiwar p-n, suna sakin makamashi azaman photons). Wani ɓangare na wannan hasken shuɗi yana sha ta hanyar Layer na phosphor mai fitar da rawaya (sau da yawa cerium-doped yttrium aluminum garnet - YAG:Ce) wanda aka ajiye a kan ko kusa da guntu. Haɗuwar sauran hasken shuɗi da canza hasken rawaya yana haifar da fahimtar hasken fari. Daidaitaccen rabo na shuɗi zuwa rawaya yana ƙayyade tunanin zafin launi (CCT), yana haifar da bayyanar "Sanyi" a wannan yanayin.

13. Trends na Fasaha

Trend a cikin hasken LED na mota yana zuwa ga ingantaccen inganci (ƙarin lumens kowace watt), mafi girman ƙarfin wutar lantarki, da ingantaccen dogaro a manyan yanayin zafi. Hakanan akwai motsi zuwa haɗin kai mai hikima, tare da LEDs suna haɗa direba ICs da na'urori masu auna firikwensin (don sa ido kan zafin jiki) cikin kunshin. Bugu da ƙari, buƙatar daidaitaccen da kwanciyar hankali na launi, musamman don ingantattun tsarin hasken gaba da hasken yanayi na ciki, yana ƙaruwa. Siffar ƙarfin sulfur da aka haskaka a cikin wannan takardar bayani yana zama buƙatu mafi gama gari yayin da gurɓatawa da fitar da kayan aiki a cikin ƙananan na'urorin lantarki ke haifar da haɗari mafi girma na lalata.