EL3534-RGBISE0391L-AM SMARTLED Bayanin Fasaha - Girman 3.5x3.4x1.35mm - Ƙarfin Wutar Lantarki 5V - Tsarin ISELED - Takardar Fasaha ta Hausa

1. Bayanin Samfur

EL3534-RGBISE0391L-AM wani haɗaɗɗen kayan LED ne mai hankali wanda aka tsara don tsarin hasken ciki na zamani na mota. Ya haɗa guntun LED ja, kore, da shuɗi (RGB) a cikin fakitin SMARTLED guda ɗaya, yana da na'urar tuƙi mai haɗawa wacce ke sadarwa ta hanyar tsarin ISELED. Wannan haɗakarwa yana sauƙaƙa ƙirar tsarin ta hanyar rage adadin kayan waje da kuma ba da damar sarrafa launi daidai na dijital da daidaitawa kai tsaye daga microcontroller.

Babban fa'idar wannan samfurin ya ta'allaka ne a cikin bin ƙa'idodin ƙaƙƙarfan mota, gami da cancantar AEC-Q102 don LED da AEC-Q100 don na'urar tuƙi. An daidaita shi zuwa ma'aunin farin D65 (CIE x=0.3127, y=0.3290), yana tabbatar da daidaitaccen fitar da launi a cikin rukunin samarwa, wanda yake da mahimmanci ga aikace-aikacen haske na ado. Babbar kasuwa mai niyya ita ce masu kera motoci na asali (OEMs) da masu ba da kayan aiki na mataki na 1 waɗanda ke haɓaka hasken yanayi, hasken dashboard, da sauran fasalolin hasken ciki waɗanda ke buƙatar canjin launi mai ƙarfi da dogaro mai girma.

2. Bincike Mai zurfi na Sigogi na Fasaha

2.1 Halayen Hoto da Launi

Ana siffanta aikin hoto na na'urar a ƙarƙashin takamaiman yanayin gwaji, yawanci a zafin kushin zafi na 25°C. Matsakaicin ƙarfin haske shine 410 mcd don Ja (tsawon zango 620nm), 880 mcd don Kore (530nm), da 110 mcd don Shuɗi (468nm). Lokacin da duka launuka uku aka tuƙa suka yi farin haske, matsakaicin haɗakar ƙarfin haske shine 1400 mcd. Matsakaicin bambanci na ±8% ya shafi waɗannan ma'aunin ƙarfin haske. Matsakaicin bambancin tsawon zango shine ±1nm, kuma matsakaicin bambancin ma'aunin launi shine ±0.01, yana tabbatar da ƙaƙƙarfan rarrabuwar launi.

Na'urar tana ba da faɗin kusurwar kallo na digiri 120, yana ba da haske iri ɗaya a kan faffadan yanki. Wannan ya dace da aikace-aikace kamar jagororin haske ko haske kai tsaye inda ake buƙatar rarraba haske daidai.

2.2 Halayen Wutar Lantarki da Mahadar

Na'urar tana aiki daga wutar lantarki ta 5V (VCC), tare da shawarar kewayon aiki na 4.5V zuwa 5.5V. Matsakaicin ƙimar ƙarfin wutar lantarki shine 5.5V. Mahadar sadarwar jeri tana goyan bayan tsarin ISELED. Haɗin sama zuwa microcontroller mai masaukin baki na iya aiki a cikin yanayin guda ɗaya don sauƙin haɗawa, tare da ƙimar bayanai (SIO1_P) daga 1.4 zuwa 2.6 MHz (matsakaici 2 MHz). Haɗin ƙasa zuwa wasu na'urori a cikin sarkar daisy yana amfani da yanayin bambanci. Na'urar tana gano yanayin sadarwa (guda ɗaya ko bambanci) akan hanyoyin haɗin sama da ƙasa yayin kunna wuta.

Matsakaicin igiyoyin gaba na kowane launi a cikakken haske sune 12.5 mA don Ja, 9.5 mA don Kore, da 7 mA don Shuɗi, wanda ya haifar da jimlar matsakaicin na'urar lantarki na 26 mA don farin haske. Direban kansa yana da na'urar lantarki na tsaye na 1.2 mA (matsakaici). Sake kunna wuta (POR) yana faruwa a matsakaicin VCC na 4.2V, yayin da kullewar ƙarancin wutar lantarki (UVLO) ke kunna a matsakaicin VCC na 3.3V, yana kare na'urar yayin yanayin wutar lantarki mara ƙarfi.

2.3 Ƙimar Zafi da Dogaro

An ƙididdige na'urar don zafin haɗin aiki (Tj) har zuwa 125°C. Shawarar yanayin yanayi / wurin solder (Topr/Ts) ya kasance daga -40°C zuwa +110°C, wanda shine ma'auni don kayan aikin mota. Ana ƙayyadadden juriyar zafi daga haɗin gwiwa zuwa wurin solder (Rth JS el) tare da matsakaicin 120 K/W. Wannan siga yana da mahimmanci don ƙirar sarrafa zafi don tabbatar da zafin haɗin LED ya kasance cikin iyakoki masu aminci yayin aiki.

Don dogaro, an ƙididdige na'urar don kariya ta ESD har zuwa 2 kV (Samfurin Jikin Mutum). Ya dace da RoHS, REACH, kuma ba shi da halogen (Br<900ppm, Cl<900ppm, Br+Cl<1500ppm). Hakanan yana da ƙarfin sulfur wanda aka rarraba a matsayin A0, wanda yake da mahimmanci don tsawon rai a cikin yanayin mota inda iskar gas mai sulfur na iya lalata abubuwa. Matsayin hankali na danshi (MSL) shine 2.

3. Bayanin Injiniya da Fakiti

Na'urar ta zo a cikin ƙaramin fakiti mai hawa sama wanda ke auna tsawon 3.5 mm, faɗin 3.4 mm, da tsayi 1.35 mm. Tsarin kushin ya ƙunshi fil 11. Manyan fil ɗin aiki sun haɗa da: Fil 1 (PRG5) don ƙarfin wutar lantarki na shirye-shirye (yawanci ana haɗa shi da GND), Fil 2 & 3 (SIO1_N, SIO1_P) don mahadar jeri na sama, Fil 6 & 7 (SIO2_P, SIO2_N) don mahadar jeri na ƙasa, Fil 8 (VCC) don wutar lantarki 5V, da Fil 4 & 5 (GND) don ƙasa. Fil 9, 10, da 11 an haɗa su da katod na LED na Kore, Ja, da Shuɗi bi da bi. Wani abu mai mahimmanci shine cewa ana iya amfani da waɗannan fil ɗin katod na LED don kunna LED ɗin su kaɗai ba tare da amfani da haɗaɗɗen direba IC ba, ta hanyar amfani da hanyar na'urar lantarki da ta dace, yana ba da sassauci don gwaji ko aikace-aikace masu sauƙi.

4. Jagororin Solder da Taro

Na'urar na iya jure zafin solder na 260°C har zuwa dakika 30, wanda ya dace da daidaitattun hanyoyin solder marasa gubar (Pb-free). Masu ƙira yakamata su bi tsarin aikace-aikacen da aka bayar a cikin takardar bayanai don tabbatar da mafi kyawun aikin lantarki da zafi. Wannan ya haɗa da daidaitaccen karkatar da layukan jeri masu bambanci da isasshen taimakon zafi don kushin ƙasa. Ana ba da shawarar barin lokacin aiki mara aiki na 150 μs bayan kunna wuta kafin aika umarnin fara aiki zuwa na'urar.

5. Shawarwari na Aikace-aikace da Abubuwan Ƙira

5.1 Yanayin Aikace-aikacen Yau da Kullun

Babban aikace-aikacen shine hasken ciki na mota. Wannan ya haɗa da tsiri na hasken yanayi a cikin bangon ƙofa, ƙafafu, da tsakiyar kwamfuta; hasken baya don maɓalli da sarrafawa; da hasken ado. Tsarin ISELED yana ba da damar sarkar daisy na na'urori da yawa, yana barin microcontroller guda ɗaya ya sarrafa dogon jerin LED tare da adireshi ɗaya, yana sauƙaƙa ƙirar igiyar waya.

5.2 Abubuwan Ƙira

• Wutar Lantarki:Tabbatar da wutar lantarki 5V mai ƙarfi tare da ƙarancin amo, saboda na'urar ta haɗa da na'urori masu hankali na analog da dijital. Yi la'akari da igiyar wutar lantarki yayin kunna wuta don sarkar na'urori.
• Gudanar da Zafi:Lissafta matsakaicin ɓarnar wutar lantarki (P = Vf * If) don amfanin da aka yi niyya kuma tabbatar da ƙirar PCB tana ba da hanyar juriya mai ƙarancin zafi don watsar da zafi, kiyaye zafin haɗin gwiwa ƙasa da 125°C. Yakamata a yi solder da kushin zafi daidai zuwa zubar da tagulla akan PCB.
• Ingancin Sigina:Don dogon sarkar daisy ko a cikin yanayin mota mai hayaniya, bi mafi kyawun ayyuka don karkatar da nau'i-nau'i masu bambanci (SIO2_P/N) don kiyaye ingancin sigina.
• Software:Dole ne microcontroller mai masaukin baki ya aiwatar da tarin tsarin ISELED don fara daidai, adireshi, da aika bayanan launi zuwa sarkar LED.

6. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tsoffin LED na RGB masu rarrabuwa tare da keɓaɓɓun direba IC, EL3534-RGBISE0391L-AM yana ba da haɗakarwa mai mahimmanci. Babban abin banbance shine direban da aka gina wanda ya dace da ISELED, wanda ke sarrafa daidaitawar launi, gyaran gamma, da sadarwa, yana cire waɗannan ayyuka daga babban tsarin microcontroller. Wannan yana haifar da fa'idodi da yawa: rage lissafin kayan tsarin (BOM), sauƙaƙa shimfidar PCB, tabbatar da daidaiton launi ba tare da bin hannu ba, da sauƙin haɓakawa a cikin tsarin sarkar daisy. Haɗaɗɗen bayanan daidaitawa da aka adana a cikin kowane na'ura yana tabbatar da cewa an sake samar da launin da aka umarta daidai, ba tare da la'akari da bambance-bambancen kera LED ba.

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

Tambaya: Shin zan iya amfani da wannan LED tare da GPIO na microcontroller na 3.3V na yau da kullun?

A: An ayyana matakan dabaru na mahadar jeri dangane da wutar lantarki 5V (VCC). Don yanayin sama guda ɗaya, VIH shine 1.20V mafi ƙanƙanta kuma VIL shine 1.14V matsakaici. Fitar CMOS 3.3V (yawanci ~3.3V don babba) yakamata ya dace, amma yana da mahimmanci a tabbatar da ainihin matakan wutar lantarki sun cika ƙayyadaddun takardar bayanai a ƙarƙashin duk yanayi.

Tambaya: Ta yaya zan ƙirƙiri wasu launuka ban da Ja, Kore, Shuɗi, da Fari?

A: Ana samar da duk launuka ta hanyar sarrafa tsarin aikin PWM na kowane tashar Ja, Kore, da Shuɗi ta hanyar tsarin ISELED. Ta hanyar aika ƙimar RGB daban-daban (misali, 255, 150, 0 don lemu), haɗaɗɗen direban yana haɗa fitowar haske don samar da launin da ake so.

Tambaya: Menene manufar filin PRG5?

A> Ana amfani da filin PRG5 don shirye-shirye ko daidaitawar masana'anta na direban IC na ciki. Don aiki na yau da kullun, dole ne a haɗa shi da ƙasa (GND). Barin shi ya shawagi ko haɗa shi ba daidai ba na iya haifar da hali mara tsinkaya.

Tambaya: Nawa daga cikin waɗannan LED ɗin za a iya haɗa su a cikin sarkar daisy?

A> Takardar bayanai ba ta ƙayyade adadi mafi girma ba. Iyaka yawanci ana ƙaddara ta hanyar jimlar ƙimar sabunta bayanai (jinkiri yana ƙaruwa tare da tsawon sarkar), ikon wutar lantarki na na'urar lantarki, da ikon direban na'urar ta farko don aika bayanai daidai ta cikin dukan sarkar ba tare da lalacewar sigina ba.

8. Misalin Amfani na Aiki

Yi la'akari da ƙirar tsarin hasken yanayi don bangon ƙofa na mota. Ana iya karkatar da igiyar waya guda ɗaya (don bayanai masu bambanci) da wayoyin wutar lantarki/ƙasa tare da ƙofa. Har zuwa na'urori 20 na EL3534 za a iya sarkar daisy kuma a sanya su a zahiri a bayan jagorar haske. Babban microcontroller, wanda ke cikin kayan aikin ƙofa ko mai sarrafa jiki, yana aika rafi na bayanai guda ɗaya. Kowane LED a cikin sarkar yana karanta bayanan launin da aka sanya masa daga rafin. Wannan yana ba da damar tasirin motsi kamar igiyar launi tana motsawa tare da ƙofa, ko duk LED suna nuna zaɓaɓɓen launi ɗaya, tare da ƙarancin rikitarwar waya. Haɗaɗɗen daidaitawa yana tabbatar da cewa launin ja akan ƙofar direba ya yi daidai da ja akan ƙofar fasinja, ko da kuwa LED ɗin sun fito daga rukunin samarwa daban-daban.

9. Gabatarwar Ka'idar Aiki

Na'urar tana aiki akan ƙa'idar umarni ta dijital. Babban microcontroller yana aika firam ɗin bayanai bisa ga tsarin ISELED. Waɗannan firam ɗin sun ƙunshi bayanan adireshi da bayanan launi (ƙimar RGB). Haɗaɗɗen Rukunin Sadarwa a cikin kowane na'ura yana karɓar firam ɗin daga gefen sama. Idan adireshin ya yi daidai, Babban Rukunin yana sarrafa umarnin, wanda yawanci ya haɗa da sabunta masu samar da PWM don tashoshi uku na LED. Direbobin PWM sai su daidaita na'urar lantarki zuwa guntun LED na Ja, Kore, da Shuɗi, suna sarrafa haskensu. Na'urar kuma na iya wuce bayanai zuwa na'urar ƙasa, yana ba da damar topology na sarkar daisy. Gano yanayin layi ta atomatik yana ba da damar tsarin ya saita kansa, gano na'urar farko da ta ƙarshe a cikin sarkar.

10. Trends na Fasaha da Mahallin

EL3534-RGBISE0391L-AM yana wakiltar yanayin hasken mota zuwa ga haɗakarwa da hankali. Matsar daga sauƙaƙen haske kunna/kashe zuwa hasken yanayi mai ƙarfi, na sirri yana buƙatar abubuwan da za a iya sarrafa su ta dijital, masu daidaito, da dogaro. An haɓaka tsarin kamar ISELED musamman don yanayin mota don tabbatar da ingantaccen sadarwa. Ci gaba na gaba na iya haɗawa da mafi girman matakan haɗakarwa, kamar haɗa na'urori masu auna haske don sarrafa haske mai daidaitawa a cikin fakiti ɗaya, ko tallafawa ƙarin sararin launi. An ci gaba da mayar da hankali kan cika dogaron mota (AEC-Q), rage rikitarwar tsarin, da ba da damar sabbin yuwuwar ƙira don cikin mota.