Bayanin Fasaha na LED Mai Tsananin Haske PLCC-6 - Girman 3.2x2.8x1.9mm - Karfin Wutar Lantarki 3.2V - Wutar 0.48W

1. Bayanin Samfur

Wannan takarda ta bayyana cikakkun bayanai na LED mai tsananin haske, mai hawa a saman allon, a cikin kayan PLCC-6. An tsara na'urar don aikace-aikace masu wahala, musamman a fannin motoci, inda aminci da aiki a cikin yanayi mai tsanani suke da muhimmanci. Babban fa'idodinsa sun haɗa da tsananin haske, faɗin kusurwar gani, da ƙarfin gini wanda ya dace da ka'idojin motoci.

Babban kasuwa shine hasken motoci, wanda ya haɗa da aikace-aikacen waje kamar fitilun gudu na rana, fitilun wuri, da kuma hasken ciki kamar hasken dashboard, hasken yanayi, da hasken maɓalli. Ingancin samfurin zuwa AEC-Q101 da bin ka'idojin RoHS da REACH sun nuna dacewarsa ga sarkar samar da motoci a duniya.

2. Bincike Mai Zurfi na Sigogi na Fasaha

2.1 Halayen Haske da Na'urar Lantarki

An ayyana mahimman sigogi a ƙarƙashin yanayin yau da kullun na kwararar lantarki (I_F) na 150 mA da zafin yanayi na 25°C.

• Kwararar Lantarki (I_F):Ana ba da shawarar aiki da kwararar 150 mA, tare da matsakaicin ƙimar 200 mA. Ana buƙatar mafi ƙarancin kwararar 20 mA don aiki.
• Ƙarfin Haske (I_V):Matsakaicin ƙimar shine millicandelas 10,000 (mcd) a 150 mA, tare da mafi ƙarancin 7,100 mcd kuma har zuwa 18,000 mcd dangane da rukunin. Matsakaicin ma'auni shine ±8%.
• Ƙarfin Wutar Lantarki (V_F):Yawanci volts 3.2, daga mafi ƙarancin 2.50 V zuwa matsakaicin 3.75 V a 150 mA. Matsakaicin ma'aunin wutar lantarki shine ±0.05V.
• Kusurwar Gani:Faɗin kusurwar digiri 120 (2θ_½) yana tabbatar da rarraba haske mai faɗi da daidaito.
• Ma'auni na Launi (CIE x, y):Matsakaicin ma'auni shine (0.3, 0.3). Matsakaicin waɗannan ma'auni shine ±0.005.

2.2 Matsakaicin Matsakaicin Zafi da Cikakke

Fahimtar iyakoki yana da mahimmanci don ƙira mai dogaro.

• Rushewar Wutar Lantarki (P_d):Matsakaicin 750 mW.
• Zafin Mahadar (T_j):Matsakaicin cikakke na 125°C.
• Yanayin Aiki & Ajiya:Kewayon daga -40°C zuwa +110°C.
• Juriyar Zafi:An ayyana juriyar zafi daga mahadar zuwa wurin gishiri a matsayin 40 K/W (na gaske) da 30 K/W (na lantarki).
• Hankalin ESD (HBM):An ƙididdige shi a 8 kV, yana nuna ƙarfin sarrafawa mai kyau.
• Kwararar Guguwa (I_FM):Yana iya jure harbe-harbe na 750 mA na ≤10 µs a ƙaramin aiki.

3. Bayanin Tsarin Rarrabawa

An rarraba fitarwar LED zuwa rukunoni don tabbatar da daidaito. Dole ne masu ƙira su zaɓi rukunoni masu dacewa don bukatun aikace-aikacensu.

3.1 Rarrabawar Ƙarfin Haske

Ana rarraba ƙarfin haske ta amfani da lambar haruffa (misali L1, EA, FB). Tebur da aka bayar ya lissafa rukunoni daga L1 (11.2-14 mcd) har zuwa GA (18000-22400 mcd). Ga wannan takamaiman samfurin, an haskaka rukunonin fitarwa masu yuwuwa, tare da matsakaicin ƙarfin 10,000 mcd yana cikin rukunin EA (7100-9000 mcd) ko EB (9000-11200 mcd). Dole ne a tabbatar da ainihin rukunin daga bayanin oda.

3.2 Rarrabawar Launi

Ana rarraba farin launi bisa ga ma'auni na CIE 1931 (x, y). Bayanin fasaha ya ayyana takamaiman rukunoni (misali 64A, 64B, 64C, 64D, 60A, 60B) tare da ƙayyadaddun iyakoki na ma'auni da kewayon zafin launi (CCT), yawanci kusan 6240K zuwa 6680K, wanda yayi daidai da bayyanar farin sanyi. Matsakaicin ma'auni (0.3, 0.3) zai faɗi cikin ɗaya daga cikin waɗannan ƙayyadaddun rukunoni.

4. Bincike na Lissafin Aiki

Bayanan hoto suna ba da haske game da halayen LED a ƙarƙashin yanayi daban-daban.

4.1 Rarraba Bakan da Tsarin Radiation

Grafin rarraba bakan yana nuna kololuwa a yankin tsawon raƙuman ruwa shuɗi, na yau da kullun ga LED farin da aka canza zuwa phosphor. Grafin tsarin radiation yana tabbatar da rarraba kamar Lambertian tare da kusurwar gani na digiri 120 inda ƙarfin ya faɗi zuwa rabin ƙimar kololuwa.

4.2 Kwararar Lantarki da Ƙarfin Wutar Lantarki (Lissafin I-V)

Grafin yana kwatanta alaƙar ma'auni. A 150 mA, wutar lantarki tana kusan 3.2V. Wannan lissafin yana da mahimmanci don ƙirar da'irar direba mai iyakancewa.

4.3 Matsakaicin Ƙarfin Haske da Kwararar Lantarki

Fitar haske yana ƙaruwa tare da kwararar lantarki amma ba a layi daya ba. Grafin yana nuna matsakaicin ƙarfin haske yana cika a manyan kwararar lantarki, yana mai da hankali kan mahimmancin aiki a cikin kewayon da aka ba da shawara don inganci da tsawon rai.

4.4 Dogaro da Zafin Jiki

Matsakaicin Ƙarfin Haske da Zafin Mahadar:Fitar haske yana raguwa yayin da zafin mahadar ya tashi. A matsakaicin zafin mahadar na 125°C, matsakaicin ƙarfin haske ya fi ƙasa sosai idan aka kwatanta da 25°C. Gudanar da zafi mai isa yana da mahimmanci don kiyaye haske.

Matsakaicin Ƙarfin Wutar Lantarki da Zafin Mahadar:Ƙarfin wutar lantarki yana da ƙimar zafi mara kyau, yana raguwa a layi daya tare da haɓakar zafin jiki. Ana iya amfani da wannan don sa ido kai tsaye akan zafin jiki a wasu aikace-aikace.

Canjin Launi da Zafin Jiki da Kwararar Lantarki:Grafofin suna nuna yadda ma'auni na CIE x da y ke canzawa tare da zafin mahadar da kwararar lantarki. Matsakaicin canje-canje gabaɗaya ƙanana ne amma dole ne a yi la'akari da su a cikin aikace-aikacen da ke da mahimmanci na launi.

4.5 Rage Kwararar Lantarki da Sarrafa Harbe-harbe

Lissafin ragewa yana ba da umarnin matsakaicin kwararar lantarki da aka yarda yayin da zafin wurin gishiri (T_S) ya ƙaru. Misali, a T_Sna 100°C, matsakaicin I_Fshine 110 mA. Jadawalin iyawar sarrafa harbe-harbe yana nuna matsakaicin kwararar lantarki da aka yarda (I_FA) don faɗin bugun jini daban-daban (t_p) da zagayowar aiki (D).

5. Bayanin Injiniya da Kunshin

5.1 Girman Injiniya

LED yana amfani da daidaitaccen kunshin PLCC-6 mai hawa a saman allon. An ayyana ainihin girmansa (tsayi, faɗi, tsayi) da tazarar jagora a cikin zanen injiniya (Sashe na 7 na ainihin PDF). Tsarin kunshin yana da mahimmanci don ƙirar sawun PCB.

5.2 Tsarin Wurin Gishiri da Aka Ba da Shawara

An ba da ƙirar ƙirar ƙasa don tabbatar da gishiri daidai, canja wurin zafi, da kwanciyar hankali na injiniya. Bin wannan shawarar yana hana kabari kuma yana inganta amincin haɗin gishiri.

5.3 Gano Polarity

Kunshin PLCC-6 yana da alamar kusurwa ko wasu siffa don nuna cathode. Daidaitaccen alkibla yana da mahimmanci don aikin da'ira.

6. Jagororin Gishiri da Taro

6.1 Bayanin Yanayin Gishiri Mai Komawa

An ba da shawarar takamaiman bayanin komawa, tare da matsakaicin zafin jiki na 260°C na matsakaicin dakika 30. Wannan bayanin mai bin ka'idojin JEDEC yana hana lalacewar zafi ga kunshin filastik da mutuwa.

6.2 Abubuwan Kariya don Amfani

• Kariyar ESD:Ko da yake an ƙididdige shi don 8 kV HBM, yakamata a kiyaye matakan kariya na ESD na yau da kullun yayin sarrafawa.
• Sarrafa Kwararar Lantarki:Koyaushe ku tuka LED tare da tushen kwararar lantarki akai-akai, ba wutar lantarki akai-akai ba, don hana guduwar zafi.
• Gudanar da Zafi:Yi ƙira da PCB tare da isasshen taimakon zafi, ta amfani da ƙirar wurin gishiri da aka ba da shawara kuma mai yiwuwa ta amfani da ramukan zafi don watsar da zafi.
• Juriyar Sulfur:An lura cewa na'urar tana da ƙarfin sulfur, wani muhimmin siffa don yanayin motoci inda iskar gas mai ɗauke da sulfur za ta iya lalata kayan da aka lulluɓe da azurfa.
• Matakin Hankalin Danshi (MSL):An ƙididdige MSL 2. Wannan yana nufin dole ne a yi amfani da kayan a cikin shekara 1 na ranar rufewa kuma a gasa idan an fallasa shi ga yanayin yanayi fiye da tsawon rayuwarsa kafin komawa.

7. Bayanan Aikace-aikace da Abubuwan Ƙira

7.1 Yanayin Aikace-aikace na Yau da Kullun

• Hasken Waje na Mota:Fitilun gudu na rana (DRLs), fitilun alamar gefe, fitilun tsakiyar tsayi (CHMSL). Tsananin haske da faɗin kusurwa suna da fa'ida.
• Hasken Ciki na Mota:Hasken baya na gungu na kayan aiki, maɓallan tsarin nishadi, igiyoyin hasken yanayi, fitilun koli.

7.2 Abubuwan Ƙira

• Da'irar Direba:Ana buƙatar direba mai sauyawa ko na layi akai-akai. Yi lissafin resistor mai iyakancewa da ake buƙata ko saitunan direba bisa ga V na yau da kullun_Fda wutar lantarki.
• Na'urorin Gani:Faɗin kusurwar digiri 120 na iya buƙatar na'urori na biyu (ruwan tabarau, jagororin haske) don daidaitawa ko siffantar katako don takamaiman aikace-aikace.
• Ƙirar Zafi:Yi amfani da juriyar zafi (R_thJS) da lissafin ragewa don ƙididdige zafin mahadar da ake tsammani. Tabbatar T_jya kasance ƙasa da 125°C a ƙarƙashin duk yanayin aiki. Mai zafi a kan PCB na iya zama dole don aiki mai tsananin kwararar lantarki ko babban zafin yanayi.
• Zaɓin Rukunin:Don aikace-aikacen da ke buƙatar daidaitaccen haske ko launi a cikin LED da yawa, ƙayyade ƙayyadaddun rukunoni don ƙarfin haske da ma'auni na launi.

8. Tambayoyin da Ake Yawan Yi (Bisa Sigogi na Fasaha)

Q: Menene matsakaicin amfani da wutar lantarki na wannan LED?

A: A matsakaicin wurin aiki na 150 mA da 3.2V, wutar lantarki ita ce P = I_F* V_F= 0.150 A * 3.2 V = 0.48 Watts.

Q: Ta yaya zan fassara rukunin ƙarfin haske 'EA'?

A: Rukunin 'EA' yayi daidai da kewayon ƙarfin haske na 7,100 zuwa 9,000 mcd lokacin da aka auna shi a 150 mA. Duk wani LED da aka yiwa alama da wannan rukunin zai sami ƙarfi a cikin wannan kewayon.

Q: Shin ana iya amfani da wannan LED kai tsaye a cikin da'irar mota 12V?

A: A'a. LED yana buƙatar direba mai kwararar lantarki akai-akai. Haɗa shi kai tsaye zuwa tushen 12V zai haifar da wuce gona da iri na kwararar lantarki, ya lalata na'urar nan take. Dole ne a yi amfani da da'irar iyakancewa ko takamaiman IC direba na LED.

Q: Menene ma'anar 'Ƙarfin Sulfur'?

A> Yana nuna cewa kayan kunshin LED da kammalawa suna da juriya ga lalacewa da iskar gas mai ɗauke da sulfur (gama gari a cikin masana'antu da wasu yanayin motoci), yana haɓaka dogon lokacin dogaro.

9. Misalin Ƙira na Aiki

Yanayi:Ƙirar ƙirar fitilar gudu ta rana (DRL) ta amfani da wannan LED.

Matakai:

1. Ƙayyade Bukatu:Manufar ƙarfin haske kowane LED, tsarin katako, wutar lantarki mai aiki (misali tsarin mota na 12V).
2. Zaɓi Direba:Zaɓi IC direba na LED mai ingancin mota wanda zai iya karɓar shigarwar 9-16V kuma ya ba da ingantaccen fitarwa na 150 mA.
3. Lissafin Zafi:Ƙididdige zafin PCB. Idan yanayin yanayi a ƙarƙashin hular zai iya kaiwa 85°C, yi amfani da lissafin ragewa. A T_S= 95°C, matsakaicin I_Fshine ~200 mA. Yin aiki a 150 mA yana ba da gefen aminci. Yi lissafin idan yankin tagulla na PCB ya isa don kiyaye T_Sƙasa da wannan matakin.
4. Ƙirar Gani:Haɗa LED tare da ruwan tabarau na TIR (Cikakken Tunani na Ciki) don daidaita fitarwar digiri 120 zuwa katako mai ƙa'ida wanda ya dace da DRL.
5. Ƙayyadaddun Rukunin:Don bayyanar daidaito, ƙayyade ƙayyadaddun rukunin launi ɗaya (misali 64B) da rukunin ƙarfin haske (misali EB) ga duk LED a cikin na'urar.