6N137 EL26XX Jerin Photocoupler Datasheet - 8-Pin DIP Package - Gaggawar 10Mbit/s - 5000Vrms Keɓewa - Takardar Fasaha ta Hausa

1. Bayanin Samfur

6N137, EL2601, da EL2611 su ne gaggawar photocouplers (optoisolators) masu fitar da ƙofar dabaru. Waɗannan na'urorin sun ƙunshi infrared light-emitting diode (LED) wanda aka haɗa ta hanyar haske zuwa babban mai gano hoto mai sauri tare da fitarwa mai iya tsayawa. An tsara su don aikace-aikacen da ke buƙatar keɓewar lantarki da watsa siginar dijital mai sauri.

1.1 Fa'idodi na Tsakiya da Matsayi

Babban fa'idar wannan jerin shine haɗin aikin sauri da ƙarfin keɓewa. Tare da ƙimar bayanai har zuwa 10 Mbit/s, ya dace da hanyoyin sadarwar dijital na zamani. Na'urorin suna ba da babban juriyar canjin yanayi na gama-gari (CMTI), tare da nau'in EL2611 wanda aka ƙididdige mafi ƙarancin 10 kV/μs, wanda ya sa su zama masu dacewa don yanayin masana'antu masu hayaniya. Fitarwar ƙofar dabaru tana sauƙaƙe hulɗa tare da iyalai na dabaru na yau da kullun kamar TTL da CMOS.

1.2 Aikace-aikacen da Ake Nufi

Waɗannan photocouplers an yi niyya ne don aikace-aikacen da ke buƙatar kawar da madauki na ƙasa, keɓewar sigina a cikin tsarin watsa bayanai, da juriya ga hayaniya a cikin na'urorin lantarki. Abubuwan amfani na yau da kullun sun haɗa da:

• Keɓewa a cikin wutar watsawa da na'urorin motsa mota.
• Masu karɓar layin bayanai da tsarin haɗawa.
• Maye gurbin na'urori masu canza bugun jini a cikin da'irori na dijital.
• Hanyoyin haɗin kwamfuta na gefe da tsarin sarrafa masana'antu.
• Keɓewar dabaru gaggawa na gabaɗaya.

2. Binciken Cikakken Sigogi na Fasaha

Sasannin masu zuwa suna ba da cikakken bayani game da halayen lantarki da canzawa na na'urar.

2.1 Matsakaicin Matsakaicin Matsayi

These ratings define the stress limits beyond which permanent damage may occur. Key parameters include:

• Gaba Gaba Halin Yanzu (I_F): 50 mA matsakaici.
• Ƙarfin Wutar Lantarki (V_CC): 7.0 V matsakaici.
• Fitar Wutar Lantarki (V_O): 7.0 V matsakaici.
• Ƙarfin Wutar Lantarki na Keɓewa (V_ISO): 5000 V_rmsna minti 1 (yancin gwaji: fensho 1-4 an gajarta tare, fensho 5-8 an gajarta tare).
• Yanayin Aiki (T_OPR): -40°C zuwa +85°C.
• Yanayin Ajiya (T_STG): -55°C zuwa +125°C.

2.2 Halayen Lantarki (Shigarwa)

Maɓalli masu alaƙa da infrared LED na shigarwa:

• Gaba Voltage (V_F): Yawanci 1.4V, matsakaicin 1.8V a I_F= 10 mA.
• Juyawa Voltage (V_R): 5.0 V matsakaici.
• Ma'aunin Zafin Jiki na V_F: Kusan -1.8 mV/°C.
• Ƙarfin Ƙarfin Shigarwa (C_IN): Yawanci 60 pF.

2.3 Halayen Lantarki (Fitarwa & Canja wuri)

Maɓalli masu alaƙa da mai gano fitarwa da gabaɗayan canja wurin sigina:

• Halin Yanzu na Wadata (High/Low): I_CCH(fitarwa high) yawanci 7 mA (max 10 mA). I_CCL(fitarwa low) yawanci 9 mA (max 13 mA).
• Kunna Shigarwar Halin Yanzu: I_EHda I_ELyawanci suna ƙasa da 1.6 mA.
• Ƙananan Fitar Voltage (V_OL): Yawanci 0.35V, matsakaicin 0.6V a ƙarƙashin yanayin lodi da aka ƙayyade (I_CL=13mA). Wannan maɓalli ne mai mahimmanci don dacewar matakin dabaru.
• Ƙofar Shigar Halin Yanzu (I_FT): Halin yanzu na LED da ake buƙata don tabbatar da ƙananan fitarwa yawanci 2.5 mA, matsakaicin 5 mA.

2.4 Halayen Canzawa

Waɗannan maɓalli suna ayyana aikin saurin photocoupler, wanda aka auna a ƙarƙashin yanayin daidaitaccen (V_CC=5V, I_F=7.5mA, C_L=15pF, R_L=350Ω).

• Jinkirin Yaduwa (t_PHL, t_PLH): Yawanci 35-40 ns, tare da matsakaicin 75 ns don duka canje-canje daga high-zuwa-low da low-zuwa-high. Wannan yana ba da damar ƙimar bayanai na 10 Mbit/s.
• Karkatar da Faɗin Bugun Jini: |t_PHL- t_PLH| yawanci 5 ns, matsakaicin 35 ns. Ƙananan karkatarwa ya fi kyau don adana ingancin sigina.
• Lokutan Tashi/Faɗuwa (t_r, t_f): Lokacin tashin fitarwa yawanci 40 ns, yayin da lokacin faɗuwa yawanci ya fi sauri 10 ns.
• Kunna Jinkirin Yaduwa: Jinkiri daga kunna (V_E) fensho zuwa fitarwa yawanci 15 ns.
• Juriya ga Canjin Yanayi na Gama-gari (CMTI): Wannan shine maɓalli mai banbanta. 6N137 ba shi da ƙayyadaddun ƙaramin ƙima. EL2601 yana ba da garantin 5,000 V/μs. EL2611 yana ba da garantin 10,000 V/μs a ƙarƙashin gwajin daidaitaccen da 20,000 V/μs tare da da'irar tuƙi da aka ba da shawarar (Fig. 15). Babban CMTI yana hana hayaniya daga haɗawa a kan shingen keɓewa.

3. Bayanin Injiniya da Kunshin

3.1 Tsarin Fensho (8-Pin DIP)

Ana ba da na'urar a cikin daidaitaccen kunshin 8-pin Dual In-line Package (DIP).

1. Babu Haɗin kai (NC)
2. Anode (A) na shigar LED
3. Cathode (K) na shigar LED
4. Babu Haɗin kai (NC)
5. Ƙasa (GND) don gefen fitarwa
6. Fitarwa (V_OUT)
7. Kunna Shigarwa (V_E)
8. Ƙarfin Wutar Lantarki (V_CC) don gefen fitarwa

3.2 Zaɓuɓɓukan Kunshin

Takardar bayanan ta ambaci samuwa a cikin faɗin tazarar jagora da zaɓuɓɓukan Surface-Mount Device (SMD), ko da yake ba a yi cikakken bayani game da lambobin kunshin (misali, SOIC-8) a cikin abin da aka samo.

4. Jagororin Aikace-aikace da Abubuwan Ƙirar Ƙira

4.1 Dokokin Ƙira Masu Muhimmanci

• Capacitor na Bypass: A 0.1 μF (ko mafi girma) capacitor tare da kyawawan halaye na mitar girma (yumbu ko tantali mai ƙarfi)dolea haɗa tsakanin fensho 8 (V_CC) da 5 (GND), an sanya shi kusa da na'urar gwargwadon yiwuwa. Wannan yana da mahimmanci don aiki mai ƙarfi da rage hayaniya.
• Kunna Fensho: Kunna shigarwa (fensho 7) yana da na'urar jujjuyawar ciki, don haka ba a buƙatar resistor na waje. Tuƙi shi ƙasa (<0.8V) yana kunna fitarwa. Tuƙi shi high (>2.0V) yana tilasta fitarwa high, ba tare da la'akari da yanayin shigar LED ba.
• Halin Yanzu na Shigarwa: Don tabbatar da canzawa mai kyau, halin yanzu na shigar LED ya kamata a saita shi gwargwadon saurin da ake buƙata da I_FTmaɓalli. Yawanci halin yanzu na aiki shine 7.5-10 mA.
• Lodi na Fitarwa: Daidaitaccen yanayin gwaji yana amfani da resistor 350Ω don ja sama zuwa V_CC. Wannan ƙimar ya kamata a yi amfani da ita azaman tunani don ƙirar da'ira don cika ƙayyadaddun lokutan canzawa.

4.2 Teburin Gaskiya (Dabaru Masu Kyau)

Na'urar tana aiki azaman buffer mara jujjuyawa lokacin da aka kunna. Teburin gaskiya shine kamar haka:

4.3 Da'irar da Aka Ba da Shawara don Babban CMTI (EL2611)

Hoto na 15 a cikin takardar bayanan yana nuna takamaiman da'irar tuƙi da aka ba da shawarar don dangin EL2611 don cimma mafi girman ƙayyadaddun CMTI na 20,000 V/μs. Wannan da'irar yawanci ya ƙunshi kulawa mai kyau na hanyar tuƙi na shigar LED don rage haɗin gwiwa na parasitic.

5. Lanƙwasa Aiki da Halaye na Yau da Kullun

Takardar bayanan ta ƙunshi sashe don "Lanƙwasa Halayen Lantarki-Haske na Yau da Kullun." Duk da yake ba a ba da takamaiman zane-zane a cikin rubutun da aka samo, irin waɗannan lanƙwasan yawanci suna nuna alaƙa masu mahimmanci don ƙira:

• Matsakaicin Canja wurin Halin Yanzu (CTR) vs. Gaba Halin Yanzu: Yana nuna ingancin haɗin gwiwar haske.
• Jinkirin Yaduwa vs. Gaba Halin Yanzu: Yana nuna yadda sauri ke bambanta da halin yanzu na tuƙi na LED.
• Fitar Voltage vs. Zazzabi: Yana nuna kwanciyar hankali na zafin jiki na matakan dabaru na fitarwa.
• Juriya ga Canjin Yanayi na Gama-gari vs. Mita: Yana nuna aikin CMTI a cikin mitoci daban-daban na hayaniya.

Masu ƙira ya kamata su tuntubi waɗannan zane-zane don inganta aiki don takamaiman yanayin aiki (zafin jiki, saurin da ake buƙata).

6. Solder da Gudanarwa

Matsakaicin Matsakaicin Matsayi ya ƙayyade zafin solder (T_SOL) na 260°C na dakika 10. Wannan ya yi daidai da yanayin sake karkatar da solder marar gubar. Ya kamata a kiyaye matakan kariya na ESD (Electrostatic Discharge) na yau da kullun lokacin sarrafa waɗannan na'urorin semiconductor.

7. Kwatancin Fasaha da Jagoran Zaɓi

6N137, EL2601, da EL2611 suna raba fensho guda ɗaya da aikin tsakiya amma sun bambanta a cikin takamaiman ƙayyadaddun:

• 6N137: Samfurin gaggawa na tushe. Ba a ba da garantin CMTI zuwa takamaiman matakin ƙarami ba.
• EL2601: Samfurin da aka inganta tare da garantin mafi ƙarancin CMTI na 5,000 V/μs.
• EL2611: Samfurin premium tare da garantin mafi ƙarancin CMTI na 10,000 V/μs (20,000 V/μs tare da da'irar da aka ba da shawarar).

Shawarar Zaɓi: Don keɓewar dijital na gabaɗaya a cikin yanayi mai kyau, 6N137 na iya isa. Don na'urorin motsa mota na masana'antu, masu jujjuyawar wutar lantarki, ko kowane yanayi tare da hayaniyar canzawa mai ƙarfi (dV/dt), EL2601 ko EL2611 ya kamata a zaɓa bisa juriyar hayaniya da ake buƙata. EL2611 tare da takamaiman da'irar tuƙi yana ba da mafi ƙarfin ƙarfi.

8. Ka'idar Aiki

Photocoupler yana ba da keɓewar galvanic ta hanyar amfani da haske azaman hanyar watsa sigina. Sigina na lantarki yana tuƙi shigar Infrared LED, yana sa shi fitar da haske. Wannan haske ya ketare tazarar keɓewa (sau da yawa dielectric mai gani) kuma ya bugi mai gano hoto wanda aka haɗa tare da da'irar ƙofar dabaru a gefen fitarwa. Mai gano yana canza haske zuwa sigina na lantarki, wanda sannan da'irar ƙofar dabaru (tare da aikin kunna/kashewa) ke daidaita shi don samar da tsaftataccen fitarwa na dijital. Rabewar jiki tsakanin LED da mai gano yana ba da babban ƙimar ƙarfin wutar lantarki na keɓewa.

9. Tambayoyin da Ake Yawan Yi (FAQs)

Q: Menene manufar kunna (V_E) fensho?

A: Kunna fensho yana ba da damar tilasta fitarwa zuwa yanayi mai girma, yana kashe sigina daga shigarwa yadda ya kamata. Wannan na iya zama da amfani don raba bas, yanayin kuskure, ko yanayin ceton wutar lantarki.

Q: Zan iya tuƙi shigar LED kai tsaye daga fensho na microcontroller?

A: Mai yiwuwa, amma ya dogara da ƙarfin fitar halin yanzu na microcontroller da ƙarfin wutar lantarki. Yawanci V_Fshi ne 1.4V a 10 mA. Koyaushe ana buƙatar resistor mai iyakancewa na jerin. Tabbatar cewa fensho na MCU zai iya samar da/ɗaukar I da ake buƙata_F(misali, 7.5-10 mA don cikakken sauri).

Q: Me ya sa capacitor na bypass yake da mahimmanci sosai?

A> Canzawar sauri na da'irar mai gano na ciki na iya haifar da faɗuwar halin yanzu kwatsam akan layin V_CC. Capacitor na bypass na gida yana ba da wannan halin yanzu na wucin gadi, yana hana faɗuwar wutar lantarki wanda zai iya haifar da kuskuren fitarwa ko faɗuwar ƙarya, kuma yana taimakawa wajen jujjuya hayaniyar mitar girma.

Q: Ta yaya zan zaɓa tsakanin 6N137, EL2601, da EL2611?

A: Babban mai banbanta shine Juriya ga Canjin Yanayi na Gama-gari (CMTI). Idan aikace-aikacen ku ya ƙunshi babban jujjuyawar wutar lantarki a kan shingen keɓewa (misali, a cikin tuƙi na mota), zaɓi EL2601 ko EL2611. Don sauƙaƙan keɓewar dijital a cikin saitunan ƙananan hayaniya, 6N137 na iya isa. Koyaushe koma ga takamaiman buƙatun CMTI na tsarin ku.

10. Misalan Aikace-aikace da Amfani

Hali 1: Keɓewar Haɗin RS-485/422: Ana iya amfani da photocoupler don keɓe layukan bayanai (TxD, RxD) da/ko layin sarrafa alkibla na mai canja wurin UART-zuwa-RS485. Wannan yana karya madaukai na ƙasa kuma yana kare gefen dabaru mai hankali daga kurakurai akan dogayen layukan bas. Babban sauri yana tabbatar da babu toshewa a cikin kayan bayanai.

Hali 2: Keɓewar Tuƙi na Ƙofa a cikin Watsawar Wutar Lantarki mai Canzawa (SMPS): A cikin topology na rabin gada ko cikakken gada, direban ƙofar MOSFET/IGBT na gefen sama yana buƙatar sigina da aka yi nuni da kumburin canzawa mai iyo. Photocoupler kamar EL2611 na iya watsa siginar sarrafa PWM daga mai sarrafa gefen ƙasa zuwa direban gefen sama, yana ba da duka canzawar mataki da keɓewa. Babban CMTI nasa yana da mahimmanci don yin watsi da babban hayaniyar dV/dt daga kumburin canzawa.

Hali 3: Module na Shigar Dijital don PLCMasu Sarrafa Dabaru na Masana'antu (PLCs) suna karanta sigina daga na'urori masu auna firikwensin da masu canzawa a cikin yanayi mai tsanani. Ana amfani da photocouplers akan kowane tashar shigarwa ta dijital don keɓe wayoyi na filin (na'urori masu auna firikwensin 24V) daga dabaru na ciki na PLC (3.3V/5V). Suna ba da kariya daga wuce gona da iri, hayaniya, da kurakuran wayoyi.