Bayanin Fasaha na ELT304X/306X/308X - Mai Gudanar da Triac Mai Tsallake-Sifili, Nau'in DIP Mai Fil 4 - Keɓewa 5000Vrms

1. Bayyane na Samfur

Jerin ELT304X, ELT306X, da ELT308X su ne masu keɓe haske (photocouplers) nau'in DIP mai fil 4, waɗanda aka ƙera su azaman masu gudanar da triac mai tsallake-sifili. Waɗannan na'urori suna aiki azaman muhimmiyar hanyar haɗi tsakanin ƙananan ƙwayoyin lantarki na sarrafawa da manyan layukan wutar lantarki na AC, suna ba da damar kashewa da kunna manyan na'urori na AC cikin aminci da inganci.

Kowane na'ura a cikin jerin ya ƙunshi Gallium Arsenide (GaAs) infrared light-emitting diode (LED) wanda aka haɗa shi da haske zuwa guda ɗaya na silicon phototriac. Ƙwayar gano tsallake-sifili da aka haɗa tana tabbatar da cewa triac na fitarwa yana kunna ne kawai lokacin da ƙarfin lantarki na layin AC yake kusa da sifili volts. Wannan fasalin yana da mahimmanci don rage tasirin lantarki mai gurɓatawa (EMI), rage ƙarfin shiga na farko, da tsawaita rayuwar na'urori masu haɗawa kamar motoci, solenoids, da fitilu.

Babban fa'idar wannan jerin yana cikin ikon keɓewa mai girma (5000 V_rms) tsakanin shigarwa da fitarwa, yana tabbatar da amincin mai amfani da amincin tsarin. An bambanta jerin ta hanyar iyakar ƙarfin toshewa: 400V na ELT304X, 600V na ELT306X, da 800V na ELT308X, wanda ya sa su dace da aikace-aikacen ƙarfin lantarki daga 110VAC zuwa 380VAC. Waɗannan na'urori an yi niyya ne don amfani da wani triac mai ƙarfi na waje, wanda ke ɗaukar mafi girman ƙarfin lantarki na kaya.

1.1 Muhimman Fasali da Bin Ka'idoji

• Bin Ka'idodin Halogen-Free:Bromine (Br) < 900 ppm, Chlorine (Cl) < 900 ppm, Br+Cl < 1500 ppm.
• Babban Ƙarfin Keɓewa:5000 V_rmstsakanin shigarwa da fitarwa.
• Tsallake-Sifili:Yana rage EMI da damuwa akan kaya.
• Izini na Ka'idoji:UL, cUL (Fayil E214129), VDE, SEMKO, NEMKO, DEMKO, FIMKO, da CQC.
• Bin Ka'idodin Muhalli:Ya bi ka'idodin RoHS da kuma ka'idodin EU REACH.

1.2 Aikace-aikacen Da aka Yi Niyya

An ƙera waɗannan masu keɓe haske don ƙaƙƙarfan aikace-aikacen masana'antu da na mabukaci waɗanda ke buƙatar keɓewar AC:

• Sarrafa solenoid da bawul
• Sarrafa haske da dimmers
• Masu kashe wutar lantarki na tsaye
• Masu gudanar da motar AC da masu farawa
• Masu haɗawa na lantarki (E.M.)
• Sarrafa zafin jiki (misali, a cikin masu dumama)
• Madogara mai ƙarfi
• Na'urorin gida

2. Zurfin Binciken Ma'auni na Fasaha

2.1 Iyakar Ma'auni na Gabaɗaya

Damuwa fiye da waɗannan iyakoki na iya haifar da lalacewa na dindindin ga na'urar. Duk ma'auni an ƙayyade su a yanayin zafin muhalli (T_a) na 25°C.

2.1.1 Shigarwa (Bangaren LED)

• Ƙarfin Gaba (I_F):60 mA (Matsakaicin ƙarfin ci gaba ta hanyar LED).
• Ƙarfin Baya (V_R):6 V (Matsakaicin ƙarfin baya a kan LED).
• Rushewar Ƙarfi (P_D):100 mW.

2.1.2 Fitarwa (Bangaren Triac)

• Ƙarfin Tashar Kashewa (V_DRM):Matsakaicin ƙarfin maimaitawa da fitarwa za ta iya toshewa lokacin da ta kashe. Wannan shine babban abin banbancewa: 400V na ELT304X, 600V na ELT306X, 800V na ELT308X.
• Matsakaicin Ƙarfin Guguwa Maimaitawa (I_TSM):1 A (Ƙarfin ƙarfin kololuwa wanda ba a maimaita shi ba).
• Rushewar Ƙarfi (P_C):300 mW (Bangaren fitarwa).

2.1.3 Ma'auni na Gabaɗaya na Na'ura

• Jimlar Rushewar Ƙarfi (P_TOT):330 mW (Jimlar rushewar shigarwa da fitarwa).
• Ƙarfin Keɓewa (V_ISO):5000 V_rmsna minti 1 a 40-60% zafi na muhalli. An taƙaita Fil 1 & 2 tare, kuma an taƙaita Fil 3 & 4 tare don wannan gwajin.
• Yanayin Aiki (T_OPR):-55°C zuwa +100°C.
• Yanayin Ajiya (T_STG):-55°C zuwa +125°C.
• Zafin Solder (T_SOL):260°C na dakika 10 (kalaman ko sake kwarara).

2.2 Halayen Lantarki da Hasken

Waɗannan ma'auni suna bayyana aikin aiki a T_a= 25°C sai dai idan an faɗi daban.

2.2.1 Halayen Shigarwa (LED)

• Ƙarfin Gaba (V_F):Matsakaicin 1.5 V a I_F= 30 mA. Wannan ƙaramin ƙarfi ya dace don gudanar da kai tsaye daga yawancin ƙwayoyin lantarki ko microcontrollers tare da mai iyakance ƙarfi mai sauƙi.
• Ƙarfin Yayyafawa Baya (I_R):Matsakaicin 10 µA a V_R= 6V.

2.2.2 Halayen Fitarwa (Phototriac)

• Matsakaicin Ƙarfin Toshawa (I_DRM):Ƙarfin yayyafawa lokacin da fitarwa ta kashe a ƙimar V_DRM. Matsakaicin 100 nA na ELT304X, 500 nA na ELT306X/ELT308X tare da I_F=0mA.
• Matsakaicin Ƙarfin Kashewa (V_TM):Matsakaicin 3 V lokacin da yake ɗaukar ƙarfin kololuwa (I_TM) na 100 mA kuma LED yana gudana a ƙimar ƙarfin kunna (I_FT). Wannan raguwar ƙarfi yana haifar da zafi a cikin na'urar lokacin gudanarwa.
• Matsakaicin Ƙimar Tashi na Ƙarfin Kashewa (dv/dt):Mafi ƙarancin 1000 V/µs na ELT304X/306X, 600 V/µs na ELT308X. Wannan ma'auni yana nuna kariyar na'urar daga kunna ƙarya daga saurin tashin ƙarfin lantarki akan layin AC.
• Ƙarfin Hana (V_INH):Matsakaicin 20 V. Wannan shine ƙarfin MT1-MT2 wanda sama da shi ƙwayar tsallake-sifili ta hana na'urar kunna, ko da LED yana kunne. Wannan yana tabbatar da sauyawa kusa da wurin tsallake-sifili kawai.
• Yayyafawa a cikin Yanayin Hana (I_DRM2):Matsakaicin 500 µA lokacin da LED yana kunne (I_F= Ƙimar I_FT) amma ƙarfin fitarwa yana ƙasa da taga tsallake-sifili (a ƙimar V_DRM).

2.2.3 Halayen Canja wuri

• Ƙarfin Kunna LED (I_FT):Matsakaicin ƙarfin LED da ake buƙata don tabbatar da kunna triac na fitarwa tare da babban ƙarfin tashar 3V. Wannan shine ma'auni mai mahimmanci na hankali kuma an ƙididdige shi:
  • Matsayi 1 (misali, ELT3041):Matsakaicin 15 mA
  • Matsayi 2 (misali, ELT3042):Matsakaicin 10 mA
  • Matsayi 3 (misali, ELT3043):Matsakaicin 5 mA
  Ƙananan I_FTmatsayi yana nuna mafi girman hankali, yana buƙatar ƙaramin ƙarfin gudanarwa daga ƙwayar sarrafawa.
• Ƙarfin Rikewa (I_H):Na yau da kullun 280 µA. Wannan shine mafi ƙarancin ƙarfi ta hanyar triac na fitarwa da ake buƙata don kiyaye shi a cikin yanayin kunna bayan an kunna shi. Babban kaya da ƙwayar ƙofar triac na waje dole ne su tabbatar da cewa an kiyaye wannan ƙarfin na tsawon rabin zagayowar gudanarwa.

3. Binciken Lanƙwanin Aiki

Bayanin fasaha yana nuni zuwa lanƙwanin halayen lantarki da haske na yau da kullun. Duk da yake ba a sake yin takamaiman zane-zane a cikin rubutun da aka bayar ba, yawanci sun haɗa da waɗannan alaƙa masu zuwa, waɗanda ke da mahimmanci don ƙira:

• Ƙarfin Gaba da Ƙarfin Gaba (I_F-V_F):Yana nuna halayen V_Fmaras layi na LED na shigarwa, mai mahimmanci don ƙididdige madaidaicin resistor na jerin.
• Ƙarfin Kunna da Zazzabi (I_FT-T_a): I_FTyawanci yana ƙaruwa tare da raguwar zafin jiki. Masu ƙira dole ne su tabbatar da cewa ƙwayar gudanar da LED tana ba da isasshen ƙarfi a mafi ƙarancin ƙayyadadden yanayin aiki (-55°C).
• Ƙarfin Kashewa da Ƙarfin Kashewa (V_TM-I_TM):Yana kwatanta asarar gudanarwa na phototriac, wanda ke ba da gudummawar zafi na ciki.
• Ƙarfin dv/dt da Zazzabi:Ƙimar dv/dt na iya raguwa a manyan yanayin zafi na haɗuwa, yana shafar kariyar amo a cikin yanayi mai zafi.

4. Bayanin Injiniya da Fakiti

4.1 Tsarin Fil da Tsarin Zane

Na'urar tana da daidaitaccen tsarin DIP mai fil 4:

1. Anode (A):Tashar tabbatacciyar LED na shigarwa.
2. Cathode (K):Tashar mara kyau na LED na shigarwa.
3. Tasha (T1/MT2):Babban Tasha 2 na phototriac na fitarwa.
4. Tasha (T2/MT1):Babban Tasha 1 na phototriac na fitarwa. Wannan shine yawanci wurin tunani na fitarwa.

Tsarin ciki yana nuna LED da aka haɗa tsakanin fil 1 da 2. An haɗa phototriac tsakanin fil 3 da 4, tare da ƙofarsa a ciki ana gudanar da shi ta hanyar siginar haske. Ƙwayar gano tsallake-sifili an haɗa ta da phototriac.

4.2 Girman Fakiti

Bayanin fasaha yana ba da cikakkun zane-zane na injiniya (a cikin mm) don zaɓuɓɓukan fakiti guda huɗu:

• Daidaitaccen Nau'in DIP:Tsohon fakiti mai ramuka tare da tazarar jere 0.1\" (2.54mm) da madaidaiciyar jagora.
• Nau'in Zaɓi M:\"Faɗaɗɗen lanƙwasa jagora\" tare da tazarar jagora 0.4-inch (10.16mm) don takamaiman buƙatun shimfidar PCB.
• Nau'in Zaɓi S:Siffar jagora mai hawa sama tare da jagorar gull-wing don solder sake kwarara.
• Nau'in Zaɓi S1:Siffar jagora mai hawa sama tare da ƙirar gull-wing \"low profile\", yana ba da ƙarancin tsayin fakiti idan aka kwatanta da nau'in S.

Mahimman girma sun haɗa da tsayin jiki/fadi/tsayi, filin jagora, tsayin jagora, da coplanarity (na nau'ikan SMD). Masu ƙira dole ne su koma ga ainihin zane-zane don ƙirar sawun PCB da tsabtacewa.

5. Jagororin Solder da Taro

Dangane da Iyakar Ma'auni na Gabaɗaya:

• Solder Kalaman ko Sake Kwarara:Matsakaicin zafin solder shine 260°C, kuma bai kamata a shafa wannan zafin ga jagororin fiye da dakika 10 ba.
• Tsauraran Matakan ESD:Ko da yake ba a bayyana shi a sarari ba, masu keɓe haske sun ƙunshi abubuwan semiconductor masu hankali na tsaye. Ana ba da shawarar hanyoyin sarrafa ESD na yau da kullun (ta amfani da bel ɗin wuyan ƙasa, kumfa mai ɗaukar lantarki, da sauransu) yayin taro.
• Tsaftacewa:Idan ana buƙatar tsaftacewa bayan solder, yi amfani da hanyoyi da kaushi masu dacewa da kayan fakiti na epoxy. Tuntubi masana'anta don takamaiman shawarwari.
• Yanayin Ajiya:Ajiye a cikin yanayi a cikin kewayon zafin ajiya (-55°C zuwa +125°C) kuma a ƙananan zafi don hana shan danshi, musamman ga fakiti masu hawa sama waɗanda zasu iya zama masu hankali ga \"popcorning\" yayin sake kwarara.

6. Bayanin Fakiti da Oda

6.1 Tsarin Lambar Model

Lambar ɓangaren tana bin tsari:ELT30X(Y)(Z)-V

• X (Lambar Bangare):4, 6, ko 8, yana nuna jerin (400V, 600V, 800V).
• Y (Matsayin Hankali):1, 2, ko 3, yayi daidai da matsakaicin I_FT(15mA, 10mA, 5mA).
• Y (Zaɓin Siffar Jagora):
  • Babu:Daidaitaccen DIP-4 (ta hanyar rami).
  • M:Faɗaɗɗen lanƙwasa jagora (tazarar 0.4\").
  • S:Daidaitaccen siffar jagora mai hawa sama.
  • S1:Siffar jagora mai hawa sama mai ƙarancin bayyanawa.
• Z (Zaɓin Kaset da Reel):Yana ƙayyade nau'in reel da adadi. Zaɓuɓɓuka sun haɗa da TA, TB (1000 na'ura/reel), TU, TD (1500 na'ura/reel), ko babu (fakitin bututu).
• V (Zaɓin Tsaro):Yana nuna an haɗa izinin tsaro na VDE.

Misali:ELT3062S(TA) na'urar 600V ce, Matsayin hankali 2 (matsakaicin I_FT=10mA), tare da daidaitattun jagororin SMD, an tattara su a cikin kaset da reel na TA (1000 na'ura).

6.2 Ƙayyadaddun Fakiti

• Fakitin Bututu:Daidaitattun zaɓuɓɓukan DIP da M yawanci ana samar da su a cikin bututu masu hana tsaye waɗanda ke ɗauke da 100 na'ura kowanne.
• Kaset da Reel:Zaɓuɓɓukan hawa sama (S, S1) suna samuwa akan kaset da reel don haɗawa da na'urar ɗauka da sanyawa. Adadin reel shine 1000 na'ura (TA, TB) ko 1500 na'ura (TU, TD).

7. La'akari da Ƙirar Aikace-aikace

7.1 Daidaitaccen Ƙwayar Aikace-aikace

Babban aikace-aikacen shine gudanar da triac mai ƙarfi na waje. Daidaitaccen ƙwayar yana haɗawa da:

1. Bangaren Shigarwa:Mai iyakance ƙarfi (R_IN) a cikin jerin tare da LED, an haɗa shi da microcontroller ko fitarwar dabaru. R_IN= (V_CC- V_F) / I_F. I_Fya kamata a zaɓi ya zama mafi girma fiye da I_FTna zaɓaɓɓen matsayi, tare da gefe don raguwar zafin jiki (misali, amfani da 1.5x I_FTmatsakaici). Ana iya ƙara ƙaramin resistor a cikin jerin ko capacitor a layi daya da LED don ƙarin kariyar amo.
2. Bangaren Fitarwa:An haɗa fitarwar mai keɓe haske (fil 3 & 4) a cikin jerin tare da ƙofar da MT1 na triac mai ƙarfi na waje. Kusan koyaushe ana buƙatar resistor na ƙofar (R_G, yawanci 100-360 Ω) don iyakance matsakaicin ƙarfin ƙofar, danne girgizar mitar mai girma, da inganta ƙarfin dv/dt na gabaɗayan ƙwayar. Ana iya haɗa resistor (R_L, ~100-500 Ω) tsakanin MT1 da MT2 na mai keɓe haske don tabbatar da cewa an wuce ƙarfin riƙewa (I_H).
3. Cibiyar Sadarwar Snubber:Don manyan kaya masu jan hankali (motoci, solenoids), cibiyar sadarwar RC snubber (resistor da capacitor a cikin jerin) yana da mahimmanci a kan manyan tashoshi natriac mai ƙarfi(ba mai keɓe haske ba) don iyakance ƙimar tashin ƙarfi (dv/dt) yayin kashewa da hana sake kunna ƙarya.

7.2 Bayanin Ƙira da Tsauraran Matakan

• Rushewar Zafi:Ƙididdige rushewar ƙarfi a cikin mai keɓe haske (P_TOT= V_F*I_F+ V_TM*I_TM) kuma tabbatar da cewa bai wuce 330 mW ba. Ƙarfin kashewa (I_TM) shine ƙarfin ƙofar triac na waje, ba ƙarfin kaya ba.
• Iyakar Tsallake-Sifili:Aikin tsallake-sifili yana kawo jinkirin kunna (har zuwa rabin zagayowar mafi munin yanayi). Wannan bai dace da aikace-aikacen da ke buƙatar sarrafa kusurwar lokaci (kamar dimming) ba. Don irin waɗannan aikace-aikace, ana buƙatar mai gudanar da triac mai keɓe haske wanda ba shi da tsallake-sifili na lokaci bazuwar.
• Nau'in Kaya:Manyan kaya masu ɗaukar ƙarfi na iya haifar da manyan ƙarfin shiga ko da a tsallake-sifili. Yi la'akari da amfani da mai iyakance ƙarfin shiga (NTC thermistor) ko ƙwayar farawa mai laushi.
• Keɓewa da Tsabtacewa:A kan PCB, kiyaye isasshen nisa na keɓewa da tsabtacewa (misali, >8mm na 400VAC) tsakanin bangaren shigarwa (ƙaramin ƙarfi) da bangaren fitarwa (babban ƙarfi) na ƙwayar, kamar yadda ka'idodin tsaro suka umarta, ko da yake ɓangaren kansa yana ba da 5000V_rms isolation.

8. Kwatancen Fasaha da Jagoran Zaɓi

Zaɓar Daidaitaccen Ƙimar Ƙarfi (ELT304X vs. 306X vs. 308X):Zaɓi na'ura tare da ƙimar V_DRMwanda ya fi girma sosai fiye da matsakaicin ƙarfin layin AC. Don 120VAC (matsakaicin ~170V), 400V ELT304X ya isa. Don 240VAC (matsakaicin ~340V), ana ba da shawarar 600V ELT306X. 800V ELT308X ya dace da tsarin 277VAC/380VAC ko aikace-aikace masu saurin canjin ƙarfi.

Zaɓar Matsayin Hankali (1, 2, ko 3):Matsayi 3 (5mA matsakaicin I_FT) yana ba da mafi girman hankali, yana ba da damar gudanar da kai tsaye daga filin GPIO na microcontroller na ƙaramin ƙarfi. Matsayi 1 da 2 suna buƙatar ƙarin ƙarfin gudanarwa amma ana iya zaɓe su don inganta farashi ko idan ƙwayar sarrafawa za ta iya samar da mafi girman ƙarfi cikin sauƙi.

Fa'idodi vs. Nau'ikan da ba su da Tsallake-Sifili:Babban fa'ida shine rage ƙirƙirar EMI sosai, yana sauƙaƙa wucewa ka'idodin daidaitawar lantarki (EMC). Cinikin shine rashin iya yin dimming na sarrafa lokaci.

9. Tambayoyin da ake yawan yi (FAQ)

Q: Shin zan iya amfani da wannan na'urar don sauya kaya na 10A kai tsaye?

A: A'a. Fitarwar wannan mai keɓe haske an ƙera ta don gudanar daƙofarna triac mai ƙarfi na waje (misali, BT136, BTA16). Triac na waje yana sarrafa babban ƙarfin kaya. I_TSMna mai keɓe haske shine 1A kawai.

Q: Me yasa fitilata da aka haɗa ke kunna/kashewa ba daidai ba?

A: Dalilai na gama gari sun haɗa da: 1) Ƙarfin gudanar da LED bai isa ba (duba I_F> I_FTtare da gefe), 2) Babu resistor na ƙofar (R_G) yana haifar da girgiza, 3) Babu cibiyar sadarwar snubber akan manyan kaya masu jan hankali, 4) Yawan amo akan layukan sarrafa shigarwa.

Q: Menene manufar ƙwayar gwajin \"dv/dt\" da aka kwatanta a cikin bayanin fasaha (Hoto 10)?

A: Wannan ƙwayar da hanyar masana'anta ne ke amfani da su don siffanta da tabbatar da kariyar na'urar daga saurin canjin ƙarfi. Masu ƙira suna amfani da ƙayyadadden ƙimar dv/dt mafi ƙarancin (misali, 1000 V/µs) don tabbatar da cewa ƙirar cibiyar sadarwar snubber ɗin su tana ba da isasshen kariya a cikin ainihin aikace-aikace.

Q: Ta yaya zan haɗa wannan da microcontroller 3.3V?

A: Tare da na'urar Matsayi 3 (I_FTmatsakaici = 5mA), yawanci yana yiwuwa. Ƙididdige R_IN= (3.3V - V_F~1.2V) / (I_Fda ake so ~7mA) ≈ 300 Ω. Tabbatar da cewa filin microcontroller zai iya samar da ~7mA ci gaba.

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