HCPL-7723-500E

Name: Tuam Tshoj pheej yig HCPL-7723-500E Chaw tsim tshuaj paus - Yuav HCPL-7723-500E hauv Tshuag
Brand: Shenzhen MATCHINGIC Technology Co., Ltd
SKU: 227075890

Shenzhen MATCHINGIC Technology Co., Ltd tau tsim muaj nyob rau hauv 2010, lub tuam txhab ib txwm ua raws li lub tswv yim ntawm kev txawj ntse yog lub tuam txhab kev muaj nyiaj, nyob rau hauv lub xyoo ntawm kev ua lag luam honed, tsim ib pab pawg neeg ntawm enterprising, innovative neeg ua hauj lwm, thaum expanding nws cov lag luam qhia nyob rau hauv tsev thiab txawv teb chaws, lub tuam txhab txuas ntxiv txhim kho cov txheej txheem kev lag luam sab hauv, txhim kho kev muag khoom thoob ntiaj teb thiab kev ua lag luam, ua raws li cov khoom qub, ua kom cov neeg siv khoom sib sib zog nqus, maj mam tsim nws tus kheej kev lag luam zoo.

Xa kev nug

Hauj lwm lawm

Kev tsis

Shenzhen MATCHINGIC Technology Co., Ltd: Koj tus kws tshaj lij Digital Isolators Supplier

Vim Li Cas Xaiv Peb

Cov khoom zoo

Peb cov khoom yog cov khoom zoo thiab ua tau raws li tag nrho cov qauv kev lag luam uas xav tau. Peb siv cov thev naus laus zis thiab cov cuab yeej siv niaj hnub los xyuas kom meej tias peb cov khoom zoo tshaj plaws.

Lub sijhawm hloov pauv sai

Peb muaj cov txheej txheem ntau lawm uas ua kom lub sijhawm hloov pauv sai. Peb tuaj yeem tsim thiab xa tawm sai sai rau cov neeg siv khoom, ua rau lawv xaiv qhov zoo tshaj plaws rau cov haujlwm nrog cov sijhawm kaw.

Pab neeg tshaj lij

Peb muaj ib pab neeg ntawm cov kws tshaj lij kev txawj ntse uas yeej ib txwm npaj los pab nrog txhua yam teeb meem uas cov neeg siv khoom muaj. Lub Hoobkas muab kev txhawb nqa dav dav, suav nrog kev txhawb nqa tsim, xaiv cov khoom lag luam, thiab kev txhawb nqa daim ntawv thov.

Cov kev pabcuam zoo

Peb muab cov kev pabcuam zoo uas ua tau raws li cov qauv kev lag luam siab tshaj plaws. Peb ua raws li kev coj ua zoo tshaj plaws hauv peb cov txheej txheem ua haujlwm thiab ua raws li kev tswj hwm nruj kom ntseeg tau tias peb xa cov txiaj ntsig zoo tshaj plaws rau peb cov neeg siv khoom.

Dab tsi yog Optocoupler

Ib qho optocoupler, tseem hu ua optoisolator lossis photocoupler, yog ib qho khoom siv hluav taws xob ua los ntawm LED emitter ua ke nrog lub photodetector, sib cais los ntawm ib leeg nyob ze.

Cov txiaj ntsig ntawm Optocoupler

Yog tias koj tab tom tsim cov khoom siv hluav taws xob uas yuav raug cuam tshuam rau cov hluav taws xob hluav taws xob, hluav taws xob, hluav taws xob hluav taws xob, thiab lwm yam. Ces koj yuav xav tau ib txoj hauv kev los tiv thaiv cov khoom siv hluav taws xob tsawg. Thaum siv kom raug, optocoupler tuaj yeem ua tau zoo:
● Tshem tawm cov suab nrov ntawm cov teeb liab
● cais cov khoom siv hluav taws xob tsawg los ntawm cov hluav taws xob hluav taws xob
● Tso cai rau koj siv cov teeb liab me me los tswj cov AC voltages loj dua

Optocoupler siv rau dab tsi? Lawv Cov txiaj ntsig yog dab tsi?

Optocouplers tswj kom xa cov teeb liab ntawm circuits nrog ib qho chaw sib cais, muab ib qho kev sib cais galvanic barrier ntawm lawv. Yog li ntawd, ib qho optocoupler yog ib qho kev daws teeb meem rau circuits uas yuav tsum tau muab cais tawm ntawm ib leeg rau kev nyab xeeb lossis tsis tu ncua thiab yuav tsum muaj kev sib cuam tshuam hauv nruab nrab.
Hauv luv luv, optocoupler's galvanic cais tawm muab cov txiaj ntsig no:

Tiv thaiv hauv av loops nyob rau hauv cov khoom uas tsav ib tug tej thaj chaw deb load. Feem ntau cov khoom siv hluav taws xob hloov pauv (eG, cov siv hauv computers, kev sib txuas lus, thiab kev ntsuas) siv optocouplers rau txoj kev tawm tswv yim cais.
Tshem tawm cov teebmeem hluav taws xob. Piv txwv li, nws yog ib qho nyuaj rau kev ua kom zoo dua ntawm 16-ntsis ADC vim tias cov teeb liab tso tawm digital (thiab lub suab nrov ntawm cov av digital uas koj txuas lub converter cov zis) rov qab mus rau hauv lub analog pem hauv ntej kawg. Koj tuaj yeem extricate koj tus kheej los ntawm lub suab nrov nrog kev sib cais kho qhov muag ntawm ib nrab digital.
Yuav kom tau txais ib lub teeb liab mus rau ib lub voj voog floating ntawm high voltage. Cov neeg tsim qauv ntawm cov khoom siv hluav taws xob muaj hluav taws xob qee zaum siv optocouplers kom tau txais lub teeb liab mus rau lub voj voog ntab ntawm qhov hluav taws xob siab.

Dab tsi koj yuav tsum paub txog xaiv Optocoupler?

Nyob rau hauv txhua rooj plaub, tag nrho cov optocouplers muaj cov nram qab no siab tshaj tsis:
Schematic ntawm optocoupler
● Forward tam sim no (IF)) ntawm emitting diode thiab rov qab voltage (VR) yuav tsum tsis pub tshaj.
● Optocoupler nrog phototransistor tso zis, collector tam sim no (IC), thiab collector-emitter voltage (VCE).
Tsis tas li ntawd, tus cwj pwm ntawm cov kev ntsuas no ntawm qhov sib txawv ntawm kev khiav hauj lwm kub yuav tsum raug txiav txim siab. Feem ntau, cov chaw tsim khoom cov ntaub ntawv muab cov duab nkhaus uas pom cov teebmeem.
Thaum kawg, tej zaum qhov tseem ceeb tshaj plaws nyob rau hauv ib qho optocoupler yog CTR (tam sim no hloov pauv piv) uas sawv cev, qhia hauv feem pua, qhov piv ntawm cov zis tam sim no (IC) thiab cov tswv yim tam sim no (IF) ntawm optocoupler.

Vim li cas ho tsis Pem Hauv Ntej ntawm Optocoupler's Input thiab Output Side Txuas
Cov kab hluav taws xob ntawm sab uas lub optocoupler lub tswv yim / tso zis (I / O) nyob yog txhais tau tias yuav tiv thaiv los ntawm kev pheej hmoo ntawm ob sab. Txawm hais tias lo lus "hauv av theem" voltage suab zoo li nws ib txwm 0 V, qhov no tsis tas li. Hauv av theem ntawm 5 V qhov chaw thiab 220 VAC qhov chaw tuaj yeem sib txawv heev, qhov hluav taws xob hauv av pom los ntawm 5 V qhov chaw tsis tas yuav tsum zoo ib yam li ntawm 220 VAC. Hauv cov xwm txheej zoo li no, kev sib txuas cov dav hlau hauv av los ntawm ntau qhov chaw tuaj yeem ua rau muaj kev phom sij. Txawm hais tias 220 VAC tau nqis los thiab kho rau 5 VDC, nws tseem tsis pom zoo kom txuas av theem ntawm ob sab mus rau ib leeg. Ua li no tuaj yeem tsim hluav taws xob glitches, uas yog vim li cas hauv av theem ntawm ob sab i / o ntawm ib qho optocoupler yeej ib txwm khaws hluav taws xob txuas.

Optocouplers ua haujlwm li cas
Ib qho tam sim no yog thawj zaug siv rau optocoupler, uas ua rau infrared LED emit ib lub teeb uas yog proportional rau tam sim no. Thaum lub teeb hits lub photosensitive ntaus ntawv, nws hloov mus rau thiab pib ua ib tug tam sim no raws li ib tug zoo tib yam transistor tej zaum yuav.
Cov cuab yeej photosensitive feem ntau yog sab laug tsis txuas los ntawm lub neej ntawd los muab qhov siab tshaj plaws rau lub teeb infrared. Nws tuaj yeem txuas rau hauv av nrog rau sab nraud resistor rau qib siab ntawm kev tswj hwm kev hloov pauv rhiab heev.
Cov cuab yeej no yeej ua haujlwm zoo li tus hloov pauv, txuas ob qhov sib cais ntawm koj lub PCB. Thaum tam sim no nres ntws los ntawm LED, cov khoom siv photosensitive kuj nres ua thiab tua. Tag nrho cov kev hloov no tshwm sim los ntawm qhov tsis muaj iav, yas, lossis cua uas tsis muaj qhov hluav taws xob ntawm LED lossis cov khoom siv photosensitive. Nws yog txhua yam hais txog lub teeb.

Impedance Matching: Kev daws teeb meem nrog Optocouplers
Hauv ntau lub voj voog kev sib txuas lus nws yog ib qho tseem ceeb los tsim kom muaj kev sib txuam impedances ntawm ob peb yam. Kev tsis sib haum xeeb tuaj yeem ua rau cov khoom tsis tsim nyog. Txawm li cas los xij, optocouplers tuaj yeem siv rau cov teeb liab kis tau tus mob yam tsis tas yuav tsum muaj impedance txuam ntawm ob sab, uas yog vim li cas optocouplers tau siv dav hauv cov khoom siv sib txuas lus ceev. Nyob rau hauv lub ntiaj teb zoo tagnrho, lub teeb liab lub zog tawm ntawm tus pin yuav taug kev los ntawm PCB kab thiab yuav tag nrho absorbed los ntawm lub load. Txawm li cas los xij, yog tias lub zog tsis yog tag nrho los ntawm kev thauj khoom (receiver), lub zog seem tuaj yeem rov qab los ntawm PCB kab, ncav cuag qhov tseem ceeb ntawm lub zog ntawm cov zis tus pin (tsav tsheb). Photodiode-raws li optocouplers.

Cov ntawv thov ntawm Optocoupler

Optocouplers tuaj yeem siv los ntawm lawv tus kheej los ntawm kev hloov khoom siv lossis nrog lwm cov khoom siv hluav taws xob los muab kev sib cais ntawm cov hluav taws xob qis thiab hluav taws xob. Feem ntau koj yuav pom cov khoom siv no siv rau:
● Microprocessor input/output switching
● DC thiab AC tswj fais fab
● Kev tiv thaiv cov khoom siv sib txuas lus
Kev tswj fais fab
Hauv cov ntawv thov no, koj yuav ntsib ntau yam kev teeb tsa. Qee qhov piv txwv suav nrog.

Opto transistor DC hloov
Qhov kev teeb tsa no yuav ntes DC cov teeb liab thiab tso cai rau koj los tswj cov khoom siv hluav taws xob AC.

Triac optocoupler
Qhov kev teeb tsa no yuav tso cai rau koj los tswj AC-powered loads xws li motors thiab teeb. Nws tseem tuaj yeem ua ob qho tib si ntawm lub voj voog AC nrog xoom-hla nrhiav kom pom. Qhov no tso cai rau lub thauj khoom kom tau txais lub zog tag nrho yam tsis muaj qhov tseem ceeb hauv qhov tam sim no thaum hloov cov khoom siv inductive.

Optocoupler Specifications

Thaum xaiv lub optocoupler rau ib daim ntawv thov tshwj xeeb, ib tug yuav tsum tau xyuas cov specifications ntawm optocoupler. Nov yog cov npe ntawm qee qhov tshwj xeeb tseem ceeb ntawm optocoupler.
1. Forward tam sim no thiab rau pem hauv ntej voltage
Hauv daim ntawv teev cov ntaub ntawv, qhov ntsuas siab tshaj plaws rau ntau yam tsis tau teev tseg. Ib qho piv txwv zoo li no yog qhov tam sim no ntawm LED. Tam sim no los ntawm LED yuav tsum tsawg tshaj li qhov siab tshaj qhov txwv.
Raws li cov input voltage thiab qhov raug rau pem hauv ntej voltage poob thoob plaws LED, ib tug tuaj yeem txiav txim siab lub series resistor rau LED rau qhov tshwj xeeb tam sim no. Tab sis qhov tam sim no yuav tsum tsis txhob tshaj qhov siab tshaj tus nqi ntawm qhov tam sim no hauv daim ntawv teev npe.
2. Kev hloov pauv tam sim no (CTR)
Qhov sib piv tam sim no yog qhov piv ntawm cov khoom tso zis tam sim no (nyob rau hauv cov ntaub ntawv ntawm cov duab-transistor) rau cov tswv yim rau pem hauv ntej tam sim no ntawm LED hauv optocoupler.
CTR hloov nrog cov khoom siv yees duab-rhiab heev. Cov khoom siv yees duab sib txawv (xws li photo-transistor, yees duab SCR, yees duab darlington khub) muaj qhov sib txawv ntawm cov zis tam sim no thiab yog li qhov sib txawv hloov pauv tam sim no. Tab sis rau qhov muab, cov cuab yeej yees duab-rhiab heev, nws yog qhov ua haujlwm ntawm qhov kub thiab txias, lub zog tam sim no ntawm LED, thiab qhov tso zis tsis sib xws.

3. Hloov cov yam ntxwv

Thaum optocoupler siv rau kev hloov daim ntawv thov ces tus yam ntxwv no tseem ceeb heev. Raws li tus yam ntxwv no, qhov raug nce-lub sij hawm thiab lub caij nplooj zeeg-lub sij hawm rau optocoupler tau teev nyob rau hauv cov ntaub ntawv. Lub sijhawm nce-lub sij hawm thiab lub caij nplooj zeeg-lub sij hawm txiav txim siab qhov siab tshaj plaws hloov zaus ntawm optocoupler.

4. Qhov siab tshaj qhov sib cais voltage

Nws yog qhov siab tshaj plaws RMS voltage uas nws muab kev sib cais ntawm ob sab ntawm optocoupler. Feem ntau, qhov kev rho tawm hluav taws xob no tau teev tseg hauv kV. Cov ntaub ntawv tseem hais txog qhov siab tshaj qhov hluav taws xob hloov pauv. Nws yog qhov siab tshaj qhov hluav taws xob mus txog qhov uas nws muab cov hluav taws xob sib cais ntawm ob sab ntawm optocoupler.

5. Hom hom kev tiv thaiv ib ntus

Lub optocoupler yuav tsum muaj peev xwm tsis lees paub cov suab nrov nrov thiab hom suab nrov nrov. Lub suab nrov hom yog suab nrov uas nthuav tawm ntawm ob sab tswv yim thiab tawm ntawm optocoupler. Cov ntaub ntawv optocoupler hais txog cov hom kev hloov pauv (V /µs) txog qhov uas nws muab kev tiv thaiv.

Ua ntej ntxiv ib qho Optocoupler rau koj lub PCB Layout, xav txog Peb Cov Lus Qhia

Khaws optocoupler hauv av sib txuas sib cais

Tus qauv optocoupler suav nrog ob tus pins hauv av, ib qho rau LED thiab lwm qhov rau cov khoom siv photosensitive. Txuas cov hauv paus no yuav qhib koj lub voj voog rhiab rau txhua lub suab nrov ntawm sab nraud hauv av. Txhawm rau zam qhov no, ib txwm tsim ob lub ntsiab lus sib txuas, ib qho rau sab hauv av pins thiab lwm yam rau cov khoom siv hauv av.

Xaiv txoj cai tam sim no limiting resistor tus nqi

Xaiv qhov kev txwv tam sim no uas ua haujlwm ntawm tus optocoupler tus nqi yam tsawg kawg nkaus yuav ua rau tus cwj pwm tsis zoo. Nws tseem tuaj yeem xaiv tus resistor uas muab ntau dhau tam sim no, uas yuav pop lub LED. Thaum xaiv tus nqi rau koj tus resistor, nco ntsoov nrhiav tus nqi ntawm qhov tsawg kawg nkaus rau pem hauv ntej tam sim no los ntawm daim ntawv qhia kev hloov pauv tam sim no hauv koj cov ntaub ntawv optocoupler.

Paub seb hom optocoupler koj xav tau dab tsi

Tsis yog txhua tus optocoupler yog tsim sib npaug, thiab koj yuav tsum xaiv hom zoo rau koj daim ntawv thov. Opto-darlington's tsuas yog rau cov khoom siv me me xwb. Yog tias txhua yam koj xav tau yog kev cais tawm tus qauv, ces tus optocoupler dav dav yuav tau txais txoj haujlwm tiav.

Siv Optocouplers rau Sensing Zero Hla ntawm AC Qhov Chaw

Kev paub xoom-hloov ntawm AC mains yog qhov tseem ceeb hauv ntau daim ntawv thov. Piv txwv li, ib qho kev hloov kho lub zog raug ntsuas qhov sib txawv ntawm cov ces kaum ntawm lub zog tiag tiag thiab lub zog reactive (ob qho tib si ntawm tag nrho lub zog). Qhov sib txawv ntawm lub zog tiag tiag thiab reactive yog ntsuas los ntawm kev saib xyuas ib yam dab tsi hu ua "zero crossing" ntawm voltage thiab tam sim no nthwv dej. "zero-crossing" yog ib lo lus uas feem ntau siv hauv electronics, acoustics, lej, thiab cov duab ua. Zero crossing qhia qhov chaw nyob qhov twg daim ntawv nthwv dej hla nws txoj haujlwm axis (iE, yog tias koj kos daim ntawv yoj). Zero crossings kuj qhia tau hais tias thaum lub waveform, qhia raws li kev ua lej, yuav hloov ntawm qhov zoo mus rau qhov tsis zoo thiab rov qab los dua. Nco ntsoov tias qee qhov kev ntsuam xyuas zaus ua haujlwm ntawm lub hauv paus ntsiab lus ntawm kev saib xyuas xoom-crossings hauv AC qhov chaw waveforms.

Optocouplers tuaj yeem siv rau kev ntsuas xoom-hla ntawm AC lub zog loj. Lub sij hawm teb ntawm optocoupler yog tsuas yog nanoseconds, nws tig rau thiab tawm nrawm ntawm xoom-crossings. Los ntawm kev siv lub rectifier thiab lim ntawm AC mains, digital signals tuaj yeem tau txais los ntawm optocoupler.

Nyeem cov lus qhia nkag nrog Optocouplers

Optocouplers tuaj yeem siv rau kev nyeem ntawv qib siab zoo li logic 0 thiab logic 1 los ntawm txhua qhov chaw. Piv txwv li, qhov voltages los ntawm lub transformerless fais fab mov yuav muaj suab nrov. Nyob rau hauv cov xwm txheej zoo li no, yog tias lub teeb liab nkag ncaj qha nrog lub microcontroller, lub suab nrov ntawm lub teeb liab tawm tswv yim tuaj yeem cuam tshuam rau txoj kev ua haujlwm ntawm microcontroller. Ib yam li ntawd, yog tias lub microcontroller lub tswv yim raug cuam tshuam los ntawm hluav taws xob surge, lub microcontroller raug puas tsuaj tam sim ntawd (iE, nws kub hnyiab lossis "tso tawm cov pa taws ua khawv koob.") Txawm li cas los xij, siv optocoupler ntawm microcontroller thiab cov teeb liab input zoo li ib kev tuav pov hwm txoj cai thiab tuaj yeem tiv thaiv cov xwm txheej zoo li no.

FAQ

Q: Dab tsi yog optocoupler siv rau?

A: Optocouplers tuaj yeem siv los ntawm lawv tus kheej los ntawm kev hloov khoom siv lossis nrog lwm cov khoom siv hluav taws xob los muab kev sib cais ntawm cov hluav taws xob qis thiab hluav taws xob.

Feem ntau koj yuav pom cov khoom siv no siv rau:Microprocessor input/output switching. DC thiab AC tswj fais fab.

Q: Dab tsi yog qhov txawv ntawm relay thiab optocoupler?

A: Thaum cov kev sib cuag ntawm lub relay qhib los yog kaw, lawv lub cev sib cais los yog txuas cov hluav taws xob txoj kev, uas yuav pab kom txo tau cov teebmeem ntawm hluav taws xob nrov thiab cuam tshuam. Opto isolation modules cia siab rau ntawm optocouplers rau kev sib cais ntawm cov teeb liab thiab tej zaum yuav muaj kev cuam tshuam ntau dua rau cov suab nrov lossis voltage spikes.

Q: Kuv puas xav tau optocoupler?

A: Optocouplers tsis tsuas yog tiv thaiv cov hluav taws xob rhiab xwb tab sis ua kom tus kws tshaj lij tsim ntau yam kev siv kho vajtse. Optocouplers tuaj yeem zam tau tus nqi ntau hauv kev hloov cov khoom los ntawm kev tiv thaiv lawv. Txawm li cas los xij, optocouplers yog qhov zoo dua li fuses.

Q: Vim li cas thiaj siv optocoupler hloov transistor?

A:Tam sim no thiab voltage xav tau:Transistors feem ntau zoo dua rau cov ntawv thov tam sim no thiab qhov hluav taws xob ntau dua, thaum optocouplers haum rau kev siv hluav taws xob qis. Kev tiv thaiv suab nrov: Optocouplers tuaj yeem muab cov suab nrov tiv thaiv zoo dua piv rau cov transistors, uas tuaj yeem yog qhov tseem ceeb hauv qee qhov chaw nrov nrov.

Q: Koj siv optocoupler li cas hauv Circuit Court?

A: Ib qho optocoupler tuaj yeem siv los cuam tshuam cov teeb liab analog ntawm ib lub voj voog mus rau lwm qhov los ntawm kev teeb tsa tam sim no los ntawm cov coj thiab tom qab ntawd hloov qhov tam sim no nrog cov teeb liab analog. Daim duab 17 qhia txog cov txheej txheem no siv los ua lub suab sib txuas.

Q: Qhov piv txwv ntawm optocoupler yog dab tsi?

A: Optocouplers feem ntau raug xa mus los ntawm lawv "tso zis hom"; Piv txwv li, cov khoom siv phototransistor yuav raug hu ua optocoupler "nrog phototransistor tso zis."

Q: Lub optocoupler ua haujlwm li cas hauv lub hwj chim?

A: Hauv kev ua haujlwm hauv Circuit Court, lub optocoupler, uas tau tsav los ntawm cov khoom siv PWM, yog qhov txuas los tswj cov khoom siv hluav taws xob xav tau. Thaum cov zis voltage deviates los ntawm kab thiab/los yog load hloov, lub mov qhov yuam kev amplifier sim los them.

Q: Vim li cas optocouplers ua tsis tiav?

A: Cov txiaj ntsig tau pom tias optocouplers muaj ob hom tsis ua haujlwm, ib qho yog qhov tsis ua haujlwm sai thiab lwm qhov yog degradation tsis ua haujlwm; qhov kub siab tshaj plaws ntawm optocoupler tsis tuaj yeem tshaj 140 degree c; qhov nce ntawm cov xau tam sim no ntawm optocoupler yog tshwm sim los ntawm kev txav tau ions kis kab mob ntawm cov nti coj..

Q: Koj siv optocoupler li cas los hloov?

A: Nyob rau hauv optocoupler Circuit Court, rau pem hauv ntej thiab lub collector tam sim no txuas rau ib leeg nrog rau tam sim no hloov pauv piv los yog yooj yim CTR. Txhawm rau teeb tsa optocoupler ua haujlwm li hloov; nws yuav tsum tau tsav mus rau saturation. Yuav kom saturate, lub pem hauv ntej tam sim no yuav tsum loj txaus piv rau lub collector tam sim no.

Q: Kuv puas tuaj yeem siv optocoupler es tsis txhob relay?

A: Kev siv zog:Relays feem ntau siv zog ntau dua li optocoupler ics. Yog hais tias lub zog efficiency yog ib qho kev txhawj xeeb, optocouplers yuav zoo dua.

Hloov ceev:Optocouplers feem ntau muaj kev hloov pauv nrawm dua piv rau cov relays. Yog tias lub sijhawm teb yog qhov tseem ceeb rau koj qhov project, optocouplers yuav tsim nyog dua.

Q: Dab tsi yog qhov voltage ntawm optocoupler?

A: Ib qho optocoupler yog siv los xa cov ntaub ntawv analog lossis digital ntawm circuits thaum tuav lub dielectric ntawm qhov muaj peev xwm txog li 5, 000 volts. Ib qho optical cais tawm yog siv los xa cov ntaub ntawv analog lossis digital ntawm cov circuits uas qhov sib txawv ntawm qhov voltage ntau dua 5,000 volts.

Q: Puas yog optocoupler active lossis passive?

A: Cov organic optocouplers (tseem hu ua "organic optical isolators") yog polymer-based electronic passive optical Cheebtsam tuaj yeem ua ke lossis faib cov ntaub ntawv xa mus (optical zog) los ntawm polymeric optical fibers.

Q: Dab tsi yog qhov txawv ntawm digital isolator thiab optocoupler?

A: Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm CMOS digital isolator yog qhov zoo sib xws rau ntawm optocoupler, tshwj tsis yog tias cov khoom siv hluav taws xob hauv lub xeev tswj tau txiav txim siab los ntawm qhov muaj lossis tsis muaj lub tshuab xa hluav taws xob siab (HF) hloov lub teeb.

Q: Lwm lub npe rau optocoupler yog dab tsi?

A: Ib qho optoisolator (tseem hu ua optical coupler, photocoupler, optocoupler) yog ib qho khoom siv hluav taws xob uas hloov hluav taws xob teeb liab ntawm cov hluav taws xob sib cais siv lub teeb.

Q: Puas yog optocoupler AC lossis DC?

A: Muaj plaub qhov kev teeb tsa ntawm optocouplers, qhov txawv yog cov khoom siv photosensitive siv. Diam duab-transistor thiab yees duab-darlington feem ntau yog siv nyob rau hauv DC circuits, thiab Photo-SCR thiab photo-triac yog siv los tswj AC circuits. Hauv cov duab-transistor optocoupler, lub transistor tuaj yeem yog PNP lossis NPN.

Q: Dab tsi yog qhov txawv ntawm txhua yam relay thiab optocoupler?

A: Kev sib koom ua ke ntawm LED nrog lub teeb pom kev zoo yog hu ua optocoupler, thiab yog ib qho txheej txheem los txuas ob feem ntawm lub voj voog uas tsis muaj hluav taws xob ncaj qha. Mechanical relays siv lub tshuab electromagnetic los qhib lossis kaw lub voj voog.

Q: Dab tsi yog qhov txawv ntawm pv converter thiab optocoupler?

A: Cov pa hluav taws xob siv hluav taws xob siv hluav taws xob rau kev sib cais galvanic rau PWM teeb liab, uas muaj tooj liab, hysteresis, thiab eddy tam sim no poob. Nyob rau hauv lub tswv yim converter, kev sib cais yog tiav nrog lub optocoupler, uas tiv thaiv kev poob thiab muaj ntau dua switching zaus.

Q: Vim li cas koj thiaj xav tau lub tshuab hluav taws xob?

A: Ib tug phaw converter yog siv los txo qis voltage ntawm cov tswv yim muab rau kom ua tiav cov zis xav tau. Buck converters feem ntau yog siv rau USB ntawm qhov mus, taw tes ntawm load converters rau PCS thiab laptops, roj teeb chargers, quad copters, hnub ci chargers, thiab lub hwj chim suab amplifiers.

Q: Vim li cas thiaj siv lub tshuab fais fab hloov pauv hloov pauv?

A: Transformers feem ntau yog siv los nce lossis nqis qis qis rau kev sib kis thiab kev faib hluav taws xob. Lawv kuj tau siv los cais cov hluav taws xob hluav taws xob thiab muab kev sib cais galvanic. Ntawm qhov tod tes, puck converters yog siv los nqis tes rau theem voltage thiab tswj cov zis voltage.

Cim npe nrov: hcpl-7723-500e, Tuam Tshoj hcpl-7723-500e manufacturers, lwm tus neeg

Tug

G3VM-61QV2L(TR05)

Tom ntej

HCPL-M611-500E

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Koj Tseem Yuav Zoo Li