Kugadzira PCB Yakabatanidzwa Yakabatanidzwa

Highleap Electronics inopa ongororo dzemapurojekiti ekugadzira PCB asingashande e embedded passive yemagadzirirwo ePCB anobatanidza mabasa akatarwa e passive mukati mekuvakwa kwebhodhi pane kuisa chikamu chimwe nechimwe pamusoro. Zvichienderana netekinoroji inodiwa, izvi zvinogona kusanganisira zvinhu zvinodzivirira zvakabatidzwa, capacitance yakabatidzwa kana chimwe chimiro chakatsanangurwa che passive. Kana mutengesi wako wepari zvino asingakwanise kutsigira kuvaka kwakarongwa, titumirei stackup, matarget emagetsi uye zvinodiwa nezvinhu kuti tiongorore kugona uye mutengo.

Pakugadzirwa kwePCB isina simba , tekinoroji inofanira kuzivikanwa nemazvo. Magadzirirwo ePCB ane resistor uye magadzirirwo ePCB ane embedded capacitor haashandise zvinhu zvakafanana, geometries kana nzira dzekusimbisa. Highleap inoongorora mhando yepassive yakakumbirwa, kukosha uye kushivirira, nzvimbo yelayer, ruzivo rwekubatana, zvinodiwa zve lamination, mukana wekuyedza uye huwandu hwepurogiramu usati wasimbisa chiyero cheprojekiti.

Chii Chinonzi Kugadzira PCB Isingapindi Mukati?

Kune matekinoroji akasiyana-siyana ayo ese anonzi "embedded passive", uye haasi masiyano pachinhu chimwe chete. Kupatsanura kunokosha ndiko kunobva basa rechikamu.

Mutsetse wekutanga ndiwo unonyanya kuwanikwa mukugadzirwa kwehuwandu, nekuti haudi zvinhu zvisingawanzoitiki uye hapana michina yakakosha yekuisa. Wechipiri ndiwo unofungidzirwa nevanhu vazhinji pavanonzwa izwi iri, uye ndiwo wakanyanya kuoma kuvaka, nekuti unoda kuti chinhu chacho chirarame ne press cycle uye kuti chibatanidzwe ne copper kumativi ese.

Maitiro Ekugadzira PCB Akabatanidzwa eVanopikisa uye Vanogadzirisa Makomputa

Pakugadzirwa kwezvikamu zvakavharirwa, kutevedzana kwemaitiro ndiko kunosarudza kana dhizaini yacho ichikwanisika. Chikamu chacho hachiwedzerwi pabhodhi rapera; chinoiswa mudura panguva iyo dura richigadzirwa.

Zvinotevera zvitatu zvakacherechedzwa kubva patafura iyoyo, uye zvinotsanangura zvakawanda zvemashoko auchagamuchira.

• Chimiro chepasipo chinofanira kukodzera kutenderera kwakazara kwemaitiro. Usafunge kuti resistor kana capacitor inogona kumira tembiricha ye lamination, kumanikidzwa uye kuyerera kwe resin. Kukodzera kunoenderana netekinoroji ye embedding, kuvakwa kwezvikamu, dhizaini yeterminal, kugadzikana kwemagetsi uye chimiro chaicho chekudzvanya.
• Chikamu chinofanira kuiswa uye kubatwa nemazvo. Ndosaka dhizaini yacho ichifanira kutsanangura mafambiro uye, kazhinji, polarity kana pin-1 marker.
• Chivako chinowanzoda madenderedzwa akawanda elamination kupfuura bhodhi remazuva ese. Ndipo panogara mari yakawanda uye nguva yakawanda yekutora zvinhu, uye ndosaka ma "embedded passives" achiwanzo tsanangurwa pamabhodhi ari kutovakwa sechivakwa chekuvaka.

Rutivi rwekusunga jira rwemaitiro aya runotsanangurwa mumaitiro edu ekusunga jira rePCB , uye nzira dzinogona kugadzirwa nadzo muzvikamu dzakanyorwa mumhando yedu yekusunga jira rePCB . Ruzivo rwekuvaka jira reLaminate, kusanganisira maitiro ekugadzira jira re prepreg ne core mu press, rwuri mukuvaka kwedu kwePCB laminate.

Mabhenefiti uye Miganhu yeEmbedded Passive PCBs

Ma "embedded passives" akakosha pakuoma kwezvinhu mumamiriro ezvinhu akamanikana, uye zvakakosha kuva akatendeseka pamusoro pekuti magadzirirwo mazhinji haadiwi.

Zvinobatsira kana: nhamba isingashande yakakwira uye nzvimbo yebhodhi yakaganhurirwa, zvekuti kufambisa ma capacitor zana ekuparadzanisa kubva pamusoro kuenda kubhodhi kunosunungura nzvimbo chaiyo yekufambisa; dhizaini yacho ine frequency yakakwira uye parasitic inductance ye surface capacitor ine via iri kudzikamisa mashandiro; dhizaini yacho iboka rakatetepa kana rinochinjika uko kureba kwezvikamu kunokosha; kana dhizaini yacho inoda capacitance values ​​inowanikwa chete sezvivakwa zvakapinzwa, senge plane-pair capacitance inoshandiswa se distributed dracoupling network.

Hazvibhadhare kana: dhizaini yacho iine ma "passive" mashoma uye nzvimbo yakawanda yebhodhi; purogiramu yacho yakaderera uye mutengo wekushandisa nekuisa haugone kuderedzwa; ma "passive" anofanira kutsiviwa ega ega kana kuchekwa kukosha; kana kuti kukosha kunodiwa uye kushivirira kunowanikwa zvakanyanya muzvikamu zvakajairwa zve "surface-mount" pamutengo wakaderera.

Chinhu chinowanzo vhiringidza ndechekuti kuvaka kwe "buried-capacitance" uye kuvaka kwe "discrete-embedded-component" zvinotengeswa pasi pemusoro mumwe chete asi zvine hupfumi hwakasiyana zvachose. "Buried capacitance" chisarudzo chakakosha : unochinja laminate ne "stackup", uye peya yega yega iri mubhodhi inova "capacitor". "Discreet embedded components" chisarudzo chemaitiro : unowedzera danho rekuisa ne "lamination" kuti uise zvikamu zvakananga mukati mebhodhi. Kana mutengesi akatsanangura chimwe chete iwe uchitaura chimwe, mutsauko wemutengo uchava mukuru uye hurukuro inofamba zvakaipa. Musiyano uyu wakakodzera kujekeswa muRFQ, uye mubvunzo wakakura wekuti zvinorevei kuvaka ma "electronics" mukati mebhodhi unokurukurwa pa " embedded PCB structures" edu.

Yakabatanidzwa Passive PCB vs SMT Resistors uye Capacitors

Mutsetse wekupedzisira ndiwo unosarudza mapurogiramu mazhinji. Ma "embedded passives" inzira yekushandura mari yekuunganidza kuita mari yekugadzira, uye kutengeserana kwacho kunokosha chete kana huwandu hwacho hwakakwira zvakakwana kuti uderedze hurongwa hwacho.

Nhungamiro dzePassive PCB Design uye Zvinodiwa zveDFM

Iyi ndiyo mitemo inowanzo manikidza kuti pave nekugadzirwa patsva, uye yakakodzera kugadziriswa usati waburitsa mifananidzo.

• Kusarudzwa kwezvikamu. Mafoil ekudzivirira akasungirirwa, ma resistors e thin-film, ma embedded-capacitance dielectric materials uye zvikamu zvakasiyana-siyana nzira dzakasiyana dzekushandisa. Chikamu chakaparadzaniswa chinofanira kunge chakaenzaniswa neprofile chaiyo ye lamination, pressure, resin system, terminal connection method uye post-process electrical limit. Dzivisa kufungidzira kwakazara zvichienderana nerudzi rwepakeji kana capacitance value; ongorora nhamba chaiyo yechikamu uye kuvakwa usati wazvipira kudhizaini.
• Kushivirira kudzika kwemukana. Nzvimbo yekureruka inofanira kuenzana nekukwirira kwechikamu kuitira kuti materminals abatane uye chikamu chacho chisapwanyike. Saka kushivirira kureba kwechikamu chimwe nechimwe kunova chinhu chinoshandiswa pakugadzira.
• Kushivirira nzvimbo uye kurongeka. Chikamu chisina kuenzana chinoda nzira yakatarwa, uye mhangura inobatanidza kuma terminals ayo inofanira kukweverwa kunzvimbo chaiyo mukati mekushivirira kwemaitiro.
• Hapana kugadziriswa patsva. Dhizaini inoda kugadziriswa haifanirwe kuisa chinhu chacho mubhodhi. Izvi zvinorevawo kuti nzira yekuyedza kubatanidza inofanira kuchinja: chinhu chekuedza chiri mudunhu chingasakwanise kusvika panode yakavharirwa.
• Nzvimbo kubva pamipendero yebhodhi nepamaburi. Nzvimbo yakakomberedzwa inofanira kuchengetedza nzvimbo dzakatarwa kumicheto yemabhodhi, maburi akaiswa mapuranga uye mhangura iri pedyo. Nzvimbo inodiwa inoenderana nekugadzirwa kwakasarudzwa kwakakomberedzwa-kusingapindiki uye maitiro ayo ekukanda kana kugadzira mapatani.
• Chirevo chekukosha uye chekushivirira. Dhizaini yacho inofanira kutaura kukosha kwainoda uye kushivirira kunogamuchirika, uye mugadziri wezvinhu anofanira kutaura zvinogona kuitwa nemaitiro acho. Aya manhamba akasiyana uye haafanirwe kufungidzirwa kuti anoenderana.

Nekuti chinhu chakaiswa passive chinoshanda pamwe chete ne stackup, ma exam eDFM checks achiri kushanda uye anofanirwa kushandiswa zvizere padhizaini iyi. Ongororo yedu yePCB yekugadzira (DFM) inovhara mitemo yakajairika, uye mubvunzo wekuti stackup inofanira kunyorwa sei uri muPCB stackup design yedu.

Maitiro Ekuedzwa Kwema Embed Resistors neCapacitors

Chinhu chinongoshandiswa passive chingasawanikwe zvakananga kuti chiongororwe mushure mekuiswa kwelamination, saka mukana wekuyedza uye nzira yekusimbisa zvinofanirwa kurongwa usati waburitswa. Nzira ina dzinoshandiswa, kazhinji dzakabatana.

• Kufanirwa kwemaitiro ekushandisa makuponi. Kuponi yekuyedza ine chimiro chakafanana chakabatanidzwa inovakwa padivi pepaneru, uye kuponi yacho inoyerwa. Izvi zvinoratidza kuti maitiro acho ane kukosha, pasina muripo wekuyedza bhodhi rega rega. Ndiyo nzira yakajairika yepurogiramu yekugadzira yakagadzikana.
• Edza magadzirirwo ari papaneru. Ma capacitor kana ma resistors emhando yakakamurwa akaiswa munzvimbo yakatarwa yepaneru uye anoyerwa. Izvi zvinowedzera nzvimbo diki uye zvinopa data papaneru yega yega.
• Kuedzwa kwemagetsi kwebhodhi rakaungana. Kushanda kwesekiti kunoyerwa pamagumo emutsetse, izvo zvinobata chikanganiso chikuru asi kazhinji hazvigone kusiyanisa chinhu chisina kushivirira zvishoma.
• Kuongororwa kwechikamu chemuchinjikwa uye microscopy. Pakuvaka, izvi zvinosimbisa kuti chikamu chacho chakabatanidzwa zvakanaka, kuti mhangura yakabatana nema terminals, uye kuti hapana gomba rakatenderedza chikamu chacho.

Musiyano unokosha muchibvumirano uri pakati pekuyera bhodhi rega rega uye kuyera maitiro. Kuyera maitiro kunoreva kuti kukosha kunodzorwa nemaitiro uye kunotorwa sample; kuyerwa kwebhodhi rega rega kunoreva kuti yuniti yega yega inoyerwa, izvo zvine mutengo chaiwo munguva yekutenderera. Zvese zviri pamutemo, asi zvinofanirwa kutaurwa zvakajeka mukotesheni, nekuti "embedded passives zvichasimbiswa" haisi iyo specification. Sarudzo dzakakura dzekuyera mapuranga apera dzinofukidzwa munzira dzedu dzekuongorora PCB.

Kuwanikwa kweComponent yePCB Yakaiswa muPasi Pose uye Kufanirwa

Ichi chikamu chemashoko anoshandiswa akabatanidzwa chinowanzo shandura dhizaini inovimbisa kuita purogiramu yakamiswa, uye zvakakodzera kushanda nacho usati wataura.

• Chikamu chinofanira kutsanangurwa chaizvo. Kwete "100 nF 0402 capacitor" asi mugadziri uye nhamba yechikamu, nekuti maitiro ekuisa anofanira kunge akaenzana nehukuru hwechikamu ichocho, kushivirira kwayo kureba uye simbi yekugumisa kwayo.
• Kudzora zvinhu zvemuno kunokosha kupfuura zvakajairika. Nekuti zvikamu zviri mukati mebhodhi, kuchinja kwemugadziri kana kuchinja nzvimbo yekugadzira kuchinja kune maitiro akakodzera, uye kunoda kudzorwa pane kutorwa sesarudzo yekutenga.
• Kuwanikwa kwechinhu ichi kunofanirwa kuongororwa usati waisa chando. Chikamu chinowanikwa chete munzira yekugovera painogoverwa injodzi kuchirongwa chose, uye njodzi iyi haionekwe kusvika odha yaiswa.
• Kukodzera kunowanikwa pakuvaka kwega kwega, kwete pachikamu chega chega. Kana imba yekuvaka nechikamu chechinhu zvanyatsokodzera, kuwedzera chimwe chinhu kubva mumhuri imwe chete zviri nyore; kuwedzera chimwe chinhu chemhando yechikamu chimwe chete chinodiwa chitsva. kuwanikwa kwezvikamu zvemagetsi inokurukura mashandisirwo anoitwa kutsvagisa nekugadzira zvinhu pamwe chete, uye nzira yakafara inotsanangurwa mupeji redu rekugona kutsvagisa zvinhu.

Mutengo wePCB wakabatanidzwa, MOQ uye Nguva Yekutungamira

Ma "embedded passives" anotorwa achipesana ne "setup cost" uye "marginal cost", uye musiyano uripo pakati pezviviri izvi mukuru.

Mari yekugadzirisa inobva pakushandisa maturusi emugodhi, pakuisa, pakugadzirisa mashandisirwo ebasa uye patsanangudzo yezvinhu. Inobhadharwa kamwe chete, uye ndicho chikonzero nei chirongwa chine huwandu hushoma chisinganyanyi kudhura. Kana dhizaini ine huwandu hushoma uye mashandiro akafanana anogona kuwanikwa nezvikamu zvishoma zvepamusoro, nzira yemazuva ano inowanzo kuve mhinduro chaiyo yekutengeserana, uye mutengesi anotaura ma "passives" akaiswa muchirongwa chezvikamu makumi mashanu asingatsananguri kuti kuchinjana hakusi nyore kwauri.

Nguva yekupinza zvinhu inobva munzira yekushanda kwete kubva pazvinhu. Kuwedzera layer yakavharirwa kunowanzoreva kanenge kamwe chete kekuwedzera lamination uye danho rekuwedzera rekuvaka, uye zvinhu zvinogona kunge zviri laminate isina kujairika ine nguva yayo yekupinza zvinhu. Gwaro redu renguva yekupinza zvinhu rakafukidza divi rezvinhu izvozvo, uye mhedzisiro yesarudzo yezvinhu pabhodhi rese inotsanangurwa muongororo yedu yezvinhu zvePCB.

Nzira yakachena yekuedza kana dhizaini yakakodzera kushandurwa ndeyekudhura shanduro dzese dziri mbiri zvichienderana nehuwandu hwepurogiramu chaiyo, kusanganisira mari yekuunganidza yakachengetedzwa. Kuenzanisa ikoko kunowanzo kuve kwakakosha, uye zvakakosha kukumbira mugadziri kuti aite pane kugamuchira mutengo mumwe chete wesarudzo yakaiswa mukati.

Zvikamu Zvisina Kuiswa Zvakaiswa vs Zvikamu Zvakaiswa Zvakaiswa

Zviviri izvi zvinowanzo sanganiswa nekuti zvose zvinoisa chimwe chinhu mukati mebhodhi. Zvakasiyana pamaumbirwo azvo, uye musiyano wacho uri nyore kupotsa pamufananidzo.

• Yakabatanidzwa isingashande: zvikamu zvisingashande zvakasiyana kana kuti capacitance yeplane-pair, yakabatanidzwa mulaminate. Bhodhi rinoramba riri chidimbu chimwe chete. Basa racho rinogara mu dielectric kana muchikamu chiri mukati maro.
• Substrate yakabatanidzwa: bhodhi rakasiyana kana module yakaiswa panzvimbo yekurereka uye yakabatana nehost, saka assembly ine active circuit mukati mayo. Uku ndiko kuvaka kwakatsanangurwa papeji redu rePCB re substrate substrate.

Sarudzo inowanzova pachena kana yataurwa. Kana chinangwa chiri chekusunungura nzvimbo yepamusoro uye kuderedza kupinza kweparasitic, chinhu chinongoerekana chashandiswa chinozadzisa chinangwa chacho. Kana chinangwa chiri chekubatanidza module yakazara mubhodhi, chinhu chinongobva chashandiswa ndicho chinozviita.

Mugadziri wePCB wePassive PCB weOngororo yeZvinogoneka uye Makotesheni

Kune zvikwata zviri kutsvaga mugadziri wePCB akasungirirwa , Highleap inogona kuongorora chimiro chakasungirirwa uye zvinodiwa zvePCB zvine chekuita nazvo. RFQ inofanira kuona kana dhizaini yacho ichishandisa PCB yakasungirirwa , PCB yakasungirirwa , capacitance yakavigwa, layer yakadhindwa kana imwe nzira yakatsanangurwa. Aya mazwi anotsanangura magadzirirwo akasiyana, saka chirevo chinofanira kutaura tekinoroji inokurudzirwa pane kubata "yakasungirirwa" senzira imwe chete.

Kuti uwane mutengo wekugadzira wePCB usingashandise simba , ipa huwandu hwakazara hwezvinhu, giredhi rezvinhu, kukosha kwesimba uye kushivirira, voltage yekushandisa kana current, zvinodiwa pakupisa uye frequency pazvinenge zvichidikanwa, geometry yekubatanidza, mukana wekuyedza uye huwandu. Kana purojekiti iri padanho remuenzaniso, taura kana chinangwa chiri chekuvaka kugona, sampuro yeinjiniya, nzvimbo yekufanirwa kana kuburitswa kwekugadzira. Chirongwa chekuyedza uye miganhu yekugamuchirwa zvinofanirwa kubvumirana usati watanga kuvaka.

Basa rekugadzira PCB reHighleap rine chekuita nekuvakwa kwebhodhi rine mativi akawanda, nepo ongororo yePCB DFM ichigona kubatsira kuona ruzivo rwekugadzira rwusipo usati waburitswa. Kune mapurojekiti eturnkey anosanganisirawo zvikamu zvakasungirirwa pamusoro, batanidzai BOM uye chiyero chekubatanidza kuburikidza nemasevhisi ePCB . Zvinodiwa chaizvo zvetekinoroji yakabatidzwa uye zvinodiwa zvinofanirwa kusimbiswa zvichienderana nedhizaini yakatumirwa.

• Pakeji yemutengo: Mafaira eGerber/ODB++, mastackup akazara, mhando uye kukosha kwemushandisi, tolerance, zvinhu, mamiriro ekushanda, ruzivo rwekubatana, chirongwa chekuyedza uye huwandu hunotarisirwa.

Mibvunzo Inowanzo bvunzwa Nezvekugadzirwa kwePCB Yakabatanidzwa

Pane chimwe chinhu chinogona kuiswa here?

Kwete. Chikamu kana chinhu chinoshandiswa chinofanira kunge chinoenderana nehurongwa hwese hwe lamination, uye kubatana kwacho kwemagetsi kunofanira kuramba kwakavimbika mushure mekudzvanya. Kufanirwa kunofanirwa kushandisa chikamu kana chinhu chaicho, stackup, lamination profile uye zviyero zvekuyedza pane kufunga kuti chikamu chose chepakeji chakakodzera.

Maitiro acho anodzorwa sei kana ari mukati mebhodhi?

Nemaitiro, uye nekutora sampling. Coupon kana chimiro chekuyedza chakavakwa nepaneru chinoratidza kuti maitiro acho ane kukosha uye kushivirira, uye hurongwa hwekutora sampling hunobvumiranwa. Pachirongwa apo yuniti yega yega inofanira kuyerwa, izvo zvinofanirwa kutsanangurwa, nekuti zvinoshandura mutengo nenguva yekutenderera.

Ko ma "embedded passives" anokanganisa here kuvharirwa kwezvisaririra zviri pedyo?

Vanogona. Capacitance yeplane-pair inoisa shunt capacitance kumaplanes ari pamusoro penzvimbo iyoyo, izvo zvinoshandura impedance yetrace iri pamusoro payo. Kana dhizaini yacho ine controlled-impedance routing pedyo ne embedded capacitor layer, impedance stackup inofanira kuitsanangura.

Bhodhi repasi rinoiswa mukati rinogona kuunganidzwa uye kuyedzwa zvakajairika here?

Kuungana kwakajairika, nekuti hapana chimwe chinhu chakawedzerwa pamusoro. Zvinodiwa pakuedza: chikamu chakaiswa mukati chingasawanikwe nechinhu chekuedza, saka bvunzo inoshanda kana chimiro chekuedza chinowanzova mhinduro. Kana bvunzo yemukati medunhu ichidikanwa, ipfungwa yekugadzira uye inofanira kugadziriswa nekukurumidza.

Ko kana mumwe mutengesi wekare akaramba kuvaka?

Zvikonzero zvinonyanya kuitika inyaya yekuti chigadzirwa hachina rutsigiro, chikamu chisina kukodzera kuiswa, kana kuti purogiramu iri pasi pemutengo wehupfumi. Zvese zvitatu ndezvechokwadi. Mubvunzo unokosha kubvunza ndewekuti ndechipi pazvitatu izvi, nekuti chekutanga mhinduro yehunyanzvi, chechipiri shanduko yedhizaini, uye chechitatu chisarudzo chekutengeserana. Kutumira Gerber, stackup uye nhamba dzezvikamu zvakananga zvinowanzovasiyanisa nekukurumidza.