Bayanin Fasaha na Jerin EL301X/EL302X/EL305X - Mai Gudanar da Triac Mai Tsauraran Lokaci 5-Pin DIP - Wutar Lantarki 250V/400V/600V - Keɓewa 5000Vrms

1. Bayanin Samfur

Jerin EL301X(P5), EL302X(P5), da EL305X(P5) su ne masu gudanar da triac mai tsauraran lokaci waɗanda aka keɓe ta hanyar haske. Kowane na'ura ya ƙunshi diode infrared na GaAs wanda aka haɗa da haske zuwa triac na silicon mai tsauraran lokaci. An ƙera su musamman don samar da hanyar haɗi mai aminci tsakanin ƙananan da'irori na sarrafa lantarki (kamar microcontroller ko da'irori na dabaru) da manyan triac na wutar AC. Wannan yana ba da damar sarrafa nauyin juriya da na'ura mai ƙarfi a kan wutar AC ta yau da kullun daga 115V zuwa 240V cikin aminci da inganci. Babban aikin shine samar da keɓewar lantarki yayin fassara ƙaramin siginar shigarwar halin yanzu zuwa gudun gating da zai iya kunna babban triac na wutar lantarki.

1.1 Fa'idodi na Asali da Kasuwa da Ake Nufi

Muhimman fa'idodin wannan jerin sun haɗa da babban ƙarfin keɓewa (5000 Vrms) don ƙarin aminci, ƙaramin tsarin haɗawa biyu (DIP) don sauƙin haɗawa da PCB, da bin manyan ƙa'idodin aminci na duniya (UL, cUL, VDE, SEMKO, da sauransu). Samfurin kuma ya bi ka'idojin EU REACH da RoHS. Waɗannan na'urori ana nufin aikace-aikacen da ke buƙatar sarrafa wutar AC cikin aminci da keɓewa, suna hidima ga kasuwanni a cikin sarrafa kayan aiki, sarrafa masana'antu, hasken wuta, da na'urorin lantarki na masu amfani.

2. Zurfin Binciken Sigogi na Fasaha

Wannan sashe yana ba da nazari na haƙiƙa game da mahimman sigogi na lantarki da na haske da aka ƙayyade a cikin bayanin bayanai.

2.1 Iyakar Ƙididdiga na Cikakke

Iyakar Ƙididdiga na Cikakke suna ayyana iyakokin damuwa waɗanda bayan su lalacewar dindindin na iya faruwa ga na'urar. Don bangaren shigarwa (LED), matsakaicin halin yanzu na gaba (IF) shine 60 mA, kuma matsakaicin ƙarfin baya (VR) shine 6 V. Ragewar wutar shigarwa (PD) shine 100 mW tare da ƙimar ragewa na 3.8 mW/°C sama da yanayin yanayi na 85°C.

Don bangaren fitarwa (photo-triac), mahimmin sigogi shine matsakaicin ƙarfin kashe jihar, wanda ke ayyana iyakar toshewar ƙarfin lantarki. An bambanta wannan ta hanyar jerin: EL301X yana da ƙimar 250V, EL302X don 400V, da EL305X don 600V. Matsakaicin halin yanzu na guguwa (ITSM) shine 1 A. Ragewar wutar fitarwa (PC) shine 300 mW, yana raguwa a 7.4 mW/°C sama da 85°C. Jimlar ragewar wutar na'urar (PTOT) bai kamata ya wuce 330 mW ba. Ƙarfin keɓewa (VISO) tsakanin shigarwa da fitarwa shine 5000 Vrms na minti ɗaya. Kewayon yanayin aiki shine -55°C zuwa +100°C.

2.2 Halayen Lantarki da Haske

Waɗannan sigogi ana auna su a 25°C sai dai idan an faɗi akasin haka kuma suna wakiltar yanayin aiki na yau da kullun.

2.2.1 Halayen Shigarwa (LED)

Matsakaicin ƙarfin gaba (VF) na LED infrared yawanci shine 1.18V a halin yanzu na gaba (IF) na 10 mA, tare da matsakaicin 1.5V. Wannan yana da mahimmanci don ƙirar resistor mai iyakance halin yanzu a cikin da'irar gudanarwa. Matsakaicin halin yanzu na baya (IR) shine matsakaicin 10 µA a cikakken ƙarfin baya na 6V.

2.2.2 Halayen Fitarwa (Photo-Triac)

Matsakaicin halin yanzu na toshewa (IDRM) shine matsakaicin halin yanzu na ɓarna lokacin da fitarwa ke cikin yanayin kashewa, wanda aka ƙayyade a matsayin 100 nA matsakaici a ƙimar VDRM tare da sifili na halin yanzu na LED. Matsakaicin ƙarfin jihar kunna (VTM) shine faɗuwar ƙarfin lantarki a kan photo-triac mai gudanarwa, wanda aka ƙayyade a matsayin 2.5V matsakaici lokacin da yake gudanar da matsakaicin halin yanzu (ITM) na 100 mA a ƙimar halin yanzu na kunna.

Mahimmin sigogi don triac shine matsakaicin ƙimar tashi na ƙarfin jihar kashewa (dv/dt). Wannan yana nuna juriyar na'urar ga kunna ƙarya daga saurin tashin ƙarfin lantarki. Jerin EL301X da EL302X suna da ƙimar dv/dt na tsaye na 100 V/µs mafi ƙarancin. Jerin EL305X yana da ƙimar da ta fi girma sosai na 1000 V/µs mafi ƙarancin lokacin gwaji a kololuwar 400V. Ƙimar dv/dt mafi girma tana da fa'ida a cikin yanayin lantarki mai hayaniya ko lokacin gudanar da nauyin na'ura mai ƙarfi.

2.3 Halayen Canja wuri

Waɗannan sigogi suna ayyana alaƙar tsakanin halin yanzu na LED na shigarwa da kunna triac na fitarwa.

Halin yanzu na kunna LED (IFT) shine matsakaicin halin yanzu da ake buƙata don tabbatar da kunna triac na fitarwa. An raba jerin zuwa matakan hankali guda uku:

• Ƙananan Hankali (misali, EL3010, EL3021, EL3051):Matsakaicin IFT = 15 mA
• Matsakaicin Hankali (misali, EL3011, EL3022, EL3052):Matsakaicin IFT = 10 mA
• Babban Hankali (misali, EL3012, EL3023, EL3053):Matsakaicin IFT = 5 mA

Shawarar halin yanzu na aikin LED yana tsakanin wannan matsakaicin ƙimar IFT da matsakaicin IF na cikakke na 60 mA. Yin amfani da halin yanzu da ya fi girma sosai sama da matsakaicin IFT yana tabbatar da kunna aminci amma yana ƙara ragewar wutar lantarki. Halin yanzu na riƙewa (IH) shine mafi ƙarancin halin yanzu da ake buƙata don ci gaba da gudanar da triac da zarar an kunna shi, yawanci 250 µA. Halin yanzu na nauyi bai kamata ya faɗi ƙasa da wannan matakin ba yayin zagayowar AC, ko kuma triac zai kashe.

3. Nazarin Lanƙwasa Aiki

Duk da cewa abin da aka fitar na PDF ya ambaci "Lanƙwasa Halayen Lantarki da Haske na Yau da Kullun," takamaiman jadawali (misali, Halin yanzu na Gaba vs. Ƙarfin Gaba, Halin yanzu na Kunna vs. Zazzabi, Ƙarfin Jihar Kunna vs. Halin yanzu na Jihar Kunna) ba a haɗa su cikin rubutun ba. A cikin cikakken bayanin bayanai, waɗannan lanƙwasan suna da mahimmanci don fahimtar halayen na'urar a ƙarƙashin yanayin da ba na yau da kullun ba (kamar babban/ƙananan zazzabi) da don inganta gefuna na ƙira. Masu ƙira yakamata su tuntubi cikakken bayanan hoto daga mai kera don cikakken nazari.

4. Bayanin Injiniya da Kunshin

4.1 Tsarin Pin

An sanya na'urar a cikin Kunshin Dual-Inline (DIP) mai fil 6, amma a aikace yana amfani da fil 5. Tsarin pin kamar haka ne:

1. Anode (Ingantaccen LED na Shigarwa)
2. Cathode (Mara kyau na LED na Shigarwa)
3. Babu Haɗin kai (N/C)
4. Babban Tashar 1 (Triac na Fitarwa, MT1)
5. Yanke Pin (Wannan pin yawanci ana yanke shi ko kuma ba a shigar da shi don daidaitawar injiniya)
6. Babban Tashar 2 (Triac na Fitarwa, MT2)

Fil 1, 2, da 3 ana gajarta su tare yayin gwajin ƙarfin keɓewa, yayin da fil 4 da 6 aka gajarta su tare, suna bayyana shingen keɓewa a sarari.

4.2 Zaɓuɓɓukan Kunshin da Girma

Kunshin na yau da kullun shine DIP-6 mai ratsa rami. Bayanin bayanai kuma ya lissafa zaɓuɓɓukan siffar jagora da kunshin da yawa:

• Babu/M:Siffofi na yau da kullun ko masu lanƙwasa mai faɗi na ratsa rami, an cushe su a cikin bututu na raka'a 65.
• S / S1 (TA/TB):Siffofin jagora na saman saman. 'S1' yana nuna sigar ƙananan bayyanar. 'TA' da 'TB' suna nufin takamaiman ƙayyadaddun tef da reel. Ana samar da waɗannan a cikin reels na raka'a 1000.

Don takamaiman girma na injiniya, gami da tsawon jiki, faɗi, tsayi, da tazarar jagora, mai ƙira dole ne ya koma ga zanen shimfidar kunshin daban wanda ba a haɗa shi cikin wannan abin da aka fitar ba.

5. Jagororin Solder da Haɗawa

Iyakar ƙididdiga na zazzabin solder (TSOL) shine 260°C na dakika 10. Wannan mahimmin sigogi ne ga duka solder na guguwa (sassan ratsa rami) da sake zafi solder (sassan saman saman). Lokacin amfani da bayanan sake zafi, matsakaicin zazzabi da lokacin sama da ruwa dole ne a sarrafa su don tsayawa cikin wannan iyaka don hana lalacewa ga cikin die da kunshin filastik. Yakamata a kimanta bayanan sake zafi na masana'antu na yau da kullun (misali, IPC/JEDEC J-STD-020) don ƙungiyoyin marasa gubar da wannan iyakar 260°C. An ƙayyade yanayin ajiya a matsayin -55°C zuwa +125°C.

6. Bayanin Oda da Lambar Model

Lambar sashi tana bin tsari mai tsari:EL30[1/2/5]XY(Z)(P5)-V

• Lamba ta Farko (Jerin/Ƙarfin Lantarki):1=250V, 2=400V, 5=600V.
• Lamba ta Biyu (X - Matsayin Hankali):Don EL301x: 0,1,2. Don EL302x/EL305x: 1,2,3. Ƙananan lamba yana nuna ƙananan hankali (mafi girma IFT).
• Hali na Uku (Y - Siffar Jagora):S (SMD), S1 (Ƙananan bayyanar SMD), M (Lanƙwasa mai faɗi), ko babu (Daidaitaccen DIP).
• Hali na Hudu (Z - Tef/Reel):TA ko TB (takamaiman reel), ko babu.
• (P5):Yana nuna nau'in fil 5.
• -V (Na zaɓi):Yana nuna amincewar aminci na VDE.

Misali:EL3022S(TA)(P5) na'urar saman saman ce mai ƙarfin 400V, matsakaicin hankali (10mA IFT), akan tef da reel na TA.

7. Shawarwari na Aikace-aikace

7.1 Da'irori na Aikace-aikace na Yau da Kullun

Babban aikace-aikacen shine a matsayin mai gudanar da gating mai keɓewa don babban triac na wutar lantarki. Da'irar yau da kullun ta ƙunshi pin GPIO na microcontroller wanda ke gudanar da LED na mai haɗin haske ta hanyar resistor mai iyakance halin yanzu (Rlimit). Lissafin shine Rlimit = (Vcc - VF) / IF, inda IF yakamata a zaɓa tsakanin IFT(max) da 60mA don aminci. Tashoshin fitarwa (MT1/MT2) na mai haɗin haske an haɗa su a jere tare da gating na babban triac da ƙaramin resistor na gating. An haɗa fitarwar mai haɗin haske kai tsaye a kan tashoshin MT1 da Gating na babban triac.

7.2 Abubuwan Ƙira da Mafi kyawun Ayyuka

1. Nau'in Nauyi:An ƙera waɗannan na'urori donsarrafa tsauraran lokaci, ma'ana suna iya kunna babban triac a kowane lokaci a cikin zagayowar ƙarfin lantarki na AC. Wannan ya dace da nauyin juriya (masu dumama, fitilun wuta) da wasu nauyin na'ura mai ƙarfi (solenoids, masu farawa na mota). Don nauyin na'ura mai ƙarfi, cibiyar sadarwar snubber (da'irar RC) a kan babban triac kusan koyaushe ana buƙata don iyakance dv/dt da hana kunna ƙarya ko gazawar canzawa.

2. Zaɓin Ƙarfin Lantarki:Zaɓi ƙimar ƙarfin lantarki (EL301X/302X/305X) tare da gefen aminci sama da kololuwar ƙarfin layin AC. Don layukan 240VAC (kololuwar ~340V), yakamata a yi amfani da jerin 400V (EL302X) ko 600V (EL305X).

3. Zaɓin Hankali:Sassan mafi girman hankali (ƙananan IFT) suna rage halin yanzu na gudanarwa da ake buƙata daga da'irar sarrafawa, wanda yana da fa'ida ga masu amfani da baturi ko dabaru masu ƙarancin wutar lantarki. Duk da haka, suna iya zama ɗan ɗanɗano ga hayaniya a bangaren shigarwa.

4. Abubuwan da ake la'akari da dv/dt:A cikin yanayin lantarki mai hayaniya ko tare da nauyin na'ura mai ƙarfi sosai, zaɓi sashi tare da mafi girman ƙimar dv/dt (EL305X yana ba da 1000 V/µs). Tabbatar da an ƙera da'irar snubber a kan babban triac da kyau don kiyaye dv/dt da aka yi amfani da shi ƙasa da ƙimar mai haɗin haske.

5. Rage Zazzabi:Yi lissafin ragewar wutar lantarki a cikin LED na shigarwa (Pled = VF * IF) da triac na fitarwa (Ptriac ≈ VTM * Iload(rms) * aikin aiki, inda aikin aiki yake ƙasa kamar yadda kawai ke gudanar da halin yanzu na gating). Tabbatar jimlar bai wuce PTOT (330 mW) ba bayan amfani da ragewar zazzabi.

8. Kwatancen Fasaha da Bambance-bambance

Babban abin banbance a cikin wannan jerin shine haɗin toshewar ƙarfin lantarki da hankalin kunna. Jerin EL305X yana ba da mafi girman ƙimar ƙarfin lantarki (600V) da mafi girman juriyar dv/dt na tsaye (1000 V/µs), yana sa ya dace da ƙarin yanayin masana'antu masu ƙarfi. Idan aka kwatanta da masu haɗin haske masu ketare sifili, masu gudanarwa masu tsauraran lokaci kamar wannan jerin suna ba da damar sarrafa kusurwar lokaci, suna ba da damar aikace-aikace kamar duhun fitilun wuta da farawa mai laushi don motoci, waɗanda nau'ikan ketare sifili ba za su iya yi ba.

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

Q1: Zan iya amfani da wannan don sauya nauyin 1A kai tsaye?

A: A'a. An ƙayyade photo-triac na fitarwa don matsakaicin halin yanzu na guguwa (ITSM) na 1A kawai kuma an ƙera shi don gudanar dagatingna babban triac na wutar lantarki, ba nauyin kai tsaye ba. Babban triac na wutar lantarki yana sarrafa halin yanzu na nauyi.

Q2: Ƙarfin layina shine 120VAC. Ina buƙatar sashi na 600V?

A: Ba lallai ba ne. EL301X mai ƙimar 250V yana da iyawar kololuwar ƙarfin lantarki na 250V, wanda yake sama da kololuwar 120VAC (~170V). Duk da haka, la'akari da gefuna na aminci da ƙarfin lantarki/tsawa akan manyan wutar lantarki, EL302X mai ƙarfin 400V shine zaɓi mafi ƙarfi kuma ana shawarar yau da kullun don aikace-aikacen 120VAC.

Q3: Menene zai faru idan na gudanar da LED tare da 50mA akai-akai?

A: Wannan yana cikin Iyakar Ƙididdiga na Cikakke (60mA) amma sama da halin yanzu na kunna da ake buƙata na yau da kullun. Zai yi aiki amma zai ƙara ragewar wutar shigarwa (Pled). Dole ne ku tabbatar jimlar ragewar na'urar (Pled + Ptriac) ya kasance cikin ƙimar PTOT, musamman a babban yanayin yanayi bayan ragewa.

Q4: Da'irar gwajin dv/dt tana da rikitarwa. Ta yaya zan tabbatar ƙirara ta cika shi?

A: Don yawancin ƙira, amfani da da'irar snubber da aka ba da shawarar (misali, resistor 100Ω a jere tare da capacitor 0.1µF) a kanbabban triac na wutar lantarki(ba mai haɗin haske ba) ya isa don iyakance ƙimar tashin ƙarfin lantarki da babban triac da fitarwar mai haɗin haske suka gani, suna kare su.

10: Nazarin Shari'ar Ƙira na Aiki

Yanayi:Ƙirar duhun fitila na 120VAC, 500W wanda microcontroller 3.3V ke sarrafawa.

Matakai:

1. Ƙimar Ƙarfin Lantarki:Zaɓi EL302X (400V) don gefi sama da kololuwar 120VAC (~170V).
2. Hankali:Zaɓi EL3023 (Babban hankali, IFT max = 5mA) don rage halin yanzu daga MCU.
3. Lissafin Resistor na LED:Ɗauka VF typ. = 1.18V. Manufa IF = 8mA (sama da 5mA IFT). Rlimit = (3.3V - 1.18V) / 0.008A ≈ 265Ω. Yi amfani da resistor na yau da kullun 270Ω. Wutar lantarki a cikin R: (3.3-1.18)^2/270 ≈ 0.017W (lafiya).
4. Zaɓin Babban Triac:Zaɓi triac mai ƙimar >500W a 120VAC (misali, 8A, 600V).
5. Da'irar Gating:Haɗa fil 4 & 6 na mai haɗin haske a jere tare da resistor na gating 100-330Ω zuwa gating na babban triac.
6. Snubber:Sanya snubber RC (misali, 100Ω, 0.1µF, ƙimar 250VAC) a kan MT1 da MT2 na babban triac.
7. Lambar Microcontroller:Aiwatar da algorithm na sarrafa kusurwar lokaci ta amfani da katsewar timer don kunna LED na mai haɗin haske a jinkiri mai canzawa bayan gano ketare sifili na layin AC (ta wata da'ira).

11. Ka'idar Aiki

Na'urar tana aiki bisa ka'idar keɓewar haske. Lokacin da aka yi amfani da isasshen halin yanzu na gaba ga diode mai fitar da haske na infrared (LED) na shigarwa, yana fitar da photons. Waɗannan photons suna ketare tazarar keɓewa ta ciki kuma suna buga yanki mai hankali ga haske na haɗaɗɗen photo-triac na silicon a bangaren fitarwa. Wannan makamashin haske yana haifar da masu ɗaukar caji waɗanda ke kunna tsarin thyristor (triac) zuwa yanayin gudanarwa, yana rufe maɓalli tsakanin manyan tashoshinsa guda biyu (MT1 da MT2) yadda ya kamata. Muhimmin batu shine cewa an cim ma wannan aikin kunna ba tare da wani haɗin lantarki tsakanin shigarwa da fitarwa ba, yana samar da aminci da juriyar hayaniya na keɓewar galvanic. "Ƙarfin tsauraran lokaci" yana nufin wannan aikin kunna na iya faruwa a kowane matakin ƙarfin lantarki na nan take na siffar igiyar AC da aka yi amfani da ita a kan tashoshin fitarwa.

12. Trends na Fasaha

Fasahar mai haɗin haske tana ci gaba da haɓakawa. Trends masu alaƙa da masu gudanar da triac sun haɗa da haɗa ƙarin fasalulluka na kariya kai tsaye cikin IC, kamar hankali na wuce gona da iri ko kashe zafi. Akwai kuma ƙoƙari zuwa ga mafi girman aminci da tsawon rayuwar aiki, musamman ga mai fitar da LED. Bugu da ƙari, buƙatar ƙananan ƙira yana tura ƙananan kunshin saman saman (kamar zaɓin ƙananan bayyanar S1 a cikin wannan jerin) tare da ƙimar keɓewa iri ɗaya ko ingantacce. Matsi zuwa ga mafi inganci a cikin duk tsarin lantarki yana ƙarfafa ƙira tare da ƙananan halin yanzu na kunna (mafi girman hankali) da ƙananan ƙarfin lantarki na jihar kunna don rage asarar wutar lantarki na tsarin gaba ɗaya.