TŠEPE KOPO PCB
Highleap Electronics e fana ka Metal Core PCBs (MCPCBs) bakeng sa taolo e nepahetseng ea mocheso lits'ebetsong tsa matla a phahameng joalo ka mabone a LED, likoloi, le tse ling.
Metal Core PCB ke eng?
Metal Core PCB (MCPCB) e sebelisa motheo oa tšepe, joalo ka aluminium kapa koporo, ho ntlafatsa ho qhala mocheso. Ho fapana le liboto tsa setso tsa FR4, li-MCPCB li sebetsana le matla a phahameng a matla ka lebaka la ts'ebetso e phahameng ea mocheso oa tšepe. Li-PCB tsa Copper Core li fana ka taolo e phahameng ea mocheso, athe Aluminium Core PCBs li na le litšenyehelo tse tlase ebile li sebelisoa hangata lits'ebetsong tse kang mabone le lisebelisoa tsa elektroniki. Mokotla o kenngoe ka likarolo tsa ceramic dielectric ho thibela lifupi tsa motlakase ha o ntse o netefatsa hore mocheso o fetisoa hantle.
Bakeng sa ho eketsehileng ka thepa ea MCPCB, etela Lisebelisoa tsa PCB tsa Metal Core . Ho ithuta ho eketsehileng ka moralo oa MCPCB, sheba Boto ea Potoloho ea Metal Core.
Sebopeho sa MCPCB
Li-PCB tsa Metal Core li na le likarolo tse tharo tsa bohlokoa: motheo oa tšepe, lera la dielectric le lera la koporo. Sebopeho sena se ikhethang se ntlafatsa ho felloa ke mocheso, ho matlafatsa ts'ebetso ka kakaretso le ho tšepahala ha lisebelisoa tsa elektronike.
Mokotla oa tšepe, hangata aluminium kapa koporo, o ithorisa ka conductivity e phahameng ea mocheso le matla a mochine. E sebetsa e le mocheso oa mocheso, o tsamaisa ka katleho le ho hasa mocheso hole le likarolo, ho boloka mocheso o nepahetseng oa ho sebetsa le ho thibela tšenyo ea mocheso.
Lera la dielectric, le kopantsoeng le mokokotlo oa tšepe, le fana ka ho kenya motlakase le thepa ea tsamaiso ea mocheso. E entsoe ka thepa e nang le conductivity e ntlafalitsoeng ea mocheso, e thusa ho fetisa mocheso o sebetsang hantle ho tloha ho likarolo ho ea motheong oa tšepe. Lera la dielectric le tiisa esita le kabo ea mocheso, ho fokotsa libaka tse chesang le khatello ea mocheso.
Melemo ea MCPCB
Likarolo tsa Metal Core PCBs (MCPCB) tse li etsang hore li tšoanelehe bakeng sa lisebelisoa tsa motlakase tse phahameng le mocheso o phahameng:
Li-PCB tsa Metal Core li fana ka pholileng e phahameng, ho tšepahala ho ntlafetseng le moralo o bonolo oa mocheso - ho ba etsa khetho e nepahetseng bakeng sa mabone a LED a matla a phahameng, lisebelisoa tsa motlakase tsa likoloi, li-module tsa phetoho ea matla, joalo-joalo.
Nako e Ncha ea Phallo ea Mocheso, Highleap e U Koahetse! Li-PCB tsa rona tsa mantlha tsa tšepe, li bula khaolo e ncha ea taolo ea mocheso.
Ts'ebetso e Phahameng ea Thermal
- Mokotla oa tšepe o teteaneng o fana ka sethala se setle sa ho hasa mocheso ho tsamaisa mocheso ka potlako hole le likarolo. Sena se lumella ho pholisa ka katleho ha li-LED, lisebelisoa tsa motlakase, joalo-joalo.
- Lera la dielectric le netefatsa phetisetso e nepahetseng ea mocheso ho tloha ho likarolo tsa likarolo / mesaletsa ho ea mantlha ea tšepe ha o ntse o arola lipotoloho ka motlakase.
- Thermal vias thusa ho fetisa mocheso ho tloha lipotolohong ho baseplate tšepe.
- Ka kakaretso tsamaiso ea mocheso e sebetsang haholo ka ho fokotsa ho hanyetsa mocheso.
Ho tšepahala ho ntlafalitsoeng
- Mocheso o tsitsitseng oa ho sebetsa o thibela khatello ea thermo-mechanical holim'a likarolo.
- Ho fokotseha ho fokolang ho delamination, micro-cracks le ho hloleha ho bakoang ke ho chesa ho feteletseng.
- E mamella mocheso o phahameng oa ts'ebetso le ho palama baesekele.
- Nako e telele ea bophelo ba sehlahisoa le ho fokotsa ho hlōleha.
Moqapi oa PCB o Nolofalitsoeng
- E lumella ho kenyelletsoa ha li-circuitry le heatsinking ka boto e le 'ngoe.
- E felisa tlhoko ea li-sink tse eketsehileng tsa mocheso le lisebelisoa tsa sehokelo sa mocheso.
- Lisebelisoa li ka rekisoa ka ho toba holim'a boto ntle le li-pads tsa insulation.
- Mehaho e teteaneng ea likarolo e khoneha ka lebaka la ho pholisa hantle.
- Liboto tse teteaneng li fana ka botsitso bo ntlafalitsoeng ba sebopeho.
Mefuta e ka Sehloohong ea Metal Core PCBs
Ho na le mefuta e meraro ea mantlha ea Metal Core PCBs (MCPCBs) e ipapisitseng le khetho ea lisebelisoa tsa mantlha tsa tšepe:
Li-PCB tsa Aluminium Core
Li-MCPCB tsena li na le motheo oa aluminium, e leng se etsang hore li be bobebe, li theko e tlase, 'me li sebetse hantle haholo ho tsamaiso ea mocheso. Li-PCB tsa mantlha tsa aluminium li sebelisoa hangata lits'ebetsong tse kang mabone a LED, lisebelisoa tsa elektroniki tsa likoloi le lisebelisoa tsa elektroniki tsa motlakase. Li-PCB tsa aluminium li tsebahala ka ts'ebetso ea tsona e ntle haholo, haholo-holo lits'ebetsong tse amang mocheso haholo.
Li-PCB tsa Copper Core
Li-MCPCB tse nang le motheo oa koporo li fana ka tsamaiso e ntle ea mocheso, e leng se etsang hore li lokele lits'ebetso tse matla haholo tse hlokang ho qhala mocheso ka katleho. Li-PCB tsa motheo oa koporo li sebelisoa hangata k'homphieutheng e sebetsang hantle, likhokahanong tsa mohala le lisebelisoa tsa indasteri.
Li-PCB tse kopantsoeng tsa Metal Core
Li-MCPCB tse ling li na le motsoako oa tšepe o tsoakiloeng, o kopanyang melemo ea litšepe tse fapaneng. Ka mohlala, motsoako oa tšepe o tsoakiloeng o ka kenyelletsa lesela la koporo bakeng sa ho senya mocheso o matlafalitsoeng le lesela la aluminium bakeng sa ho boloka litšenyehelo. Li-PCB tsena tsa mantlha tsa tšepe tse tsoakiloeng li fana ka tekanyo lipakeng tsa ts'ebetso le litšenyehelo, li fana ka litlhoko tse ikhethileng tsa kopo.
Aluminium PCB VS Copper base PCB
Li-PCB tsa motheo tsa aluminium
- Ka conductivity e ntle ea mocheso ea 237W/mK, aluminium e finyella litlhoko tse ngata tsa ho felisa mocheso.
- Aluminium e batla e le theko e tlaase, e fokotsa litšenyehelo tsa thepa ka kakaretso.
- Aluminium e bonolo ho e etsa, e lumella ho cheka le ho sebetsa ka mochini.
- Aluminium e bobebe e thusa meralo e bobebe ea elektroniki e nang le letsoalo le tlase ho 3g/cm3.
- Litlhare tsa aluminium tse hōlileng tsebong tse kang anodizing le ho roala lia fumaneha.
- Aluminium e na le khanyetso e mpe ea kutu e hlokang tšireletso e eketsehileng. E loketse libaka tse tloaelehileng tsa khoebo
Li-PCB tsa motheo tsa koporo
- Mocheso o motle oa 393W/mK o etsa koporo e loketseng lisebelisoa tse phahameng tsa matla.
- Koporo e thata ho e etsa, ha e khonehe, e hloka taolo e nepahetseng ea ts'ebetso.
- Leha e le theko e phahameng ho feta aluminium, koporo e na le litšenyehelo tse tlase bakeng sa ho qhala mocheso o feteletseng.
- Boima bo phahameng ba 8.8g/cm3 bo etsa hore koporo e be boima e hlokang tšehetso ea meralo.
- Ho hanyetsa ha kutu e ntle haholo ho lumella li-PCB tsa koporo hore li sebelisoe libakeng tse thata.
- Khauta, plating silevera e ntlafatsa soldering le kopano bakeng sa PCBs koporo.
Lisebelisoa tsa Metal Core PCBs
Li-PCB tsa Metal core li na le lits'ebetso tse fapaneng, haholo libakeng tse hlokang:
Matla a phahameng
Li ka senya matla a mangata ka lebaka la motheo oa tšepe, kahoo li sebelisoa lits'ebetsong tsa matla a phahameng joaloka ho fetola lisebelisoa tsa motlakase, lisebelisoa tsa motlakase, joalo-joalo.
Phallo e phahameng ea mocheso
Thermal conductivity ea motheo oa tšepe e thusa ho tlosa mocheso o mongata o hlahisoang libakeng tse kang liboto tsa CPU, liboto tsa potoloho ea amplifier ea matla, joalo-joalo.
Ho ts'epahala haholo
Kabo ea mocheso le likhatello tse fokotsehileng tsa mocheso li ntlafatsa ho ts'epahala ha lisebelisoa tsa elektroniki, tse sebelisoang lits'ebetsong tsa indasteri / sesole.
Miniaturization
Bophahamo bo bonyenyane ba trace bo lumella ho paka ka bongata bo phahameng ba likarolo, tse sebetsang lits'ebetsong tse kang litsamaiso tse kentsoeng.
Tšireletso e phahameng ea motlakase (EMI) e sireletsang
Mokotla oa tšepe o sebetsa e le lesaka la Faraday, le sireletsang lisebelisoa tsa elektronike tse ka hare ho EMI. E sebelisoa lits'ebetsong tse kang li-circuits tsa RF.
Litefiso tse phahameng tsa phetiso ea data
Mesaletsa e khuts'oane, e nonneng e na le tšitiso e tlase le tahlehelo maemong a phahameng, e loketseng li-circuits tsa phetisetso ea data ka lebelo le holimo.
Mehlala e meng e ikhethang ea lits'ebetso tsa tšepe tsa mantlha tsa PCB:
- Phepelo ea motlakase
- Litaolo tsa makoloi
- Lipotoloho tsa RF
- liboto tsa CPU
- Li-amplifiers tsa motlakase
- Litsamaiso tse kenelletseng
- Li-avionics le liboto tsa potoloho ea spacecraft
- Litsamaiso tsa elektronike tsa sesole le tsa indasteri
Phapang pakeng tsa tšepe konokono PCB le FR4 PCB
Ho tsamaisa mocheso: MCPCB e na le motheo oa tšepe, o nang le ts'ebetso e betere haholo ea ho qhala mocheso ho feta FR4 PCB.
Bophelo ba tšebeletso: Ka lebaka la ho qhalana ha mocheso ho betere, bophelo ba tšebeletso ba MCPCB hangata bo bolelele ho feta FR4 PCB.
Tšireletso ea EMI: Karolo ea tšepe ea MCPCB e ka sireletsa tšitiso ea motlakase, ka bokhoni bo matla ba ho thibela tšitiso.
Ho tsamaisa motlakase: Karolo ya mantlha ya tshepe (hangata koporo kapa aluminium) ya MCPCB e na le ho tsamaisa motlakase ho hoholo.
Botenya: MCPCB e ka fihlella sebopeho sa potoloho e nyane haholoanyane le likheo tse nyane tsa mela ea phetisetso, kahoo botenya bo holimo.
Matla a mechini: Boto ea mantlha ea tšepe ea MCPCB hangata e thata ebile e matla ho feta substrate ea FR4.
Litšenyehelo: Litšenyehelo tsa MCPCB ka kakaretso li phahame ho feta PCB e tloaelehileng ea FR4.
Sekgahla sa tshebediso: MCPCB e loketse ditshebediso tse hlokang matla a phahameng, bongata bo phahameng, lebelo le phahameng le tshepahalo e phahameng, jwalo ka di-server tsa maemo a hodimo le disebediswa tsa teko tsa profeshenale. FR4 PCB e sebediswa haholo disebedisweng tse fapaneng tsa elektroniki ka kakaretso.
Ka bokhutšoanyane, li-MCPCB li fana ka melemo e mengata ho feta li-PCB tsa FR4, ho kenyelletsa le mocheso o phahameng oa mocheso, mocheso o phahameng oa mocheso, le tšireletso e matla ea EMI. Leha ho le joalo, ho bohlokoa ho hlokomela hore li-MCPCB hangata li tla ka litšenyehelo tse holimo. Khetho pakeng tsa tse peli e itšetlehile ka litlhoko tse khethehileng tsa tekheniki tsa kopo.
Phello ea Mocheso e sa Tšoenyeheng, Highleap e U Koahetse! Li-PCB tsa rona tsa mantlha tsa tšepe, khetho e phethahetseng bakeng sa taolo ea mocheso.
Metal Core PCB Design Guidelines
Tsamaiso ea Thermal
Mokotla oa tšepe ho MCPCBs o fana ka tsela e ts'oanelang haholo bakeng sa ho qhala mocheso. Ho netefatsa phetisetso e nepahetseng ea mocheso, ho bohlokoa ho rala boto e nang le li-vias tse nepahetseng tsa mocheso, liphaephe tsa mocheso le li-heatsink. The vias mogote lokela ho sebakeng haufi-ufi le dikarolo mocheso-phehisang le e lokela ho ba boholo bo lekaneng ho fana ka tlaase mocheso ho hanyetsa.
Khetho ea Lihlahisoa
Khetha ka hloko lisebelisoa tsa mantlha tsa tšepe ho ntlafatsa ts'ebetso ea MCPCB. Aluminium e atisa ho sebelisoa bakeng sa conductivity ea eona e phahameng ea mocheso, theko e tlaase, le thepa e bobebe. Leha ho le joalo, koporo, koporo, kapa tšepe e sa hloekang e ka nkoa e itšetlehile ka litlhoko tse khethehileng tsa kopo. Ho feta moo, thepa ea dielectric le botenya ba koporo li ama ts'ebetso ea boto ka kakaretso.
Lekola Bophara le Sebaka
Rala bophara bo loketseng ba ho latella le sebaka ho sebetsana le bokhoni ba hona joale ba ho jara le ho boloka botsitso ba matšoao. Etsa bonnete ba hore bophara ba trace bo lekane ho tsamaisa motlakase o hlokahalang ntle le ho hlahisa mocheso o feteletseng. Karohano e lekaneng lipakeng tsa mesaletsa e fokotsa tšitiso ea mats'oao le ho kopana. Beha bonyane bophara ba trace le sebaka ho ipapisitse le lits'ebetso tsa tlhahiso le litlhoko tsa ts'ebeliso.
Ho Bea Karolo
Ho behoa ha likarolo ho li-MCPCB ho bohlokoa bakeng sa tsamaiso ea mocheso le botšepehi ba matšoao. Likarolo tsa matla a phahameng li lokela ho behoa haufi le motheo oa tšepe ho eketsa ho qhala ha mocheso, ha likaroloana tse hlokolosi tse kang li-circuits tsa RF li lokela ho behoa hole le mohloli oa mocheso. Boima ba likarolo bo lokela ho ntlafatsoa ho netefatsa tšebeliso e nepahetseng ea sebaka sa boto le ho qoba tšitiso ea matšoao.
Mask ea solder
Mask ea solder ho MCPCBs e lokela ho etsoa ho tsamaisa phetiso ea mocheso ha e ntse e fana ka insulation lipakeng tsa mesaletsa. Khetha mask a solder a nang le matte qetellong, kaha e fana ka conductivity e ntlafetseng ea mocheso. Etsa bonnete ba hore ho na le sebaka se nepahetseng le tšireletso ho thibela borokho ba solder le li-circuits tse khutšoane. Mask e entsoeng hantle ea solder e ntlafatsa ts'ebetso le ho tšepahala.
Lintlha tsa hoqetela
Ntle le litataiso tse kaholimo, ela hloko lintlha tse joalo ka maikutlo a EMC, litlhoko tsa tikoloho, le bokhoni ba ho etsa tlhahiso. Netefatsa ho tsamaellana le maemo a amehang a indasteri. Sebelisana haufi-ufi le moetsi oa hau oa PCB ho ntlafatsa moralo le lits'ebetso tsa tlhahiso bakeng sa li-MCPCB, ho netefatsa ts'ebetso e holimo, ts'epo, le khotsofalo ea bareki.
U batla Metal Core PCB Quote?
Ka boiphihlelo bo pharaletseng ba indasteri ea tlhahiso ea PCB, Highleap e na le tsebo e ngata. Re ipabola haholo moralong le tlhahisong ea Metal Core PCBs, re netefatsa liphetho tsa boleng bo holimo.
Highleap e ipabola haholo tlhahisong ea Metal Core PCB e nang le theknoloji e tsoetseng pele, e netefatsang ts'ebetso e ikhethang ea lisebelisoa tsa elektroniki tsa matla a phahameng.
Khetha Highleap bakeng sa tšebeletso ea bareki ba boemo bo holimo. Tšehetso e potlakileng ea tekheniki e netefatsa hore bothata bo rarolloa ka potlako. Sebelisana haufi-ufi le rona ho fihlela litlhoko tsa hau tsa botho le ho feta tebello!
Nka Qotso e Potlakileng
Fumana hore na boitseanape ba rona bo ka u thusa joang ka projeke ea hau e latelang ea PCB.