Tlhahlobo ea Molao oa Moqapi oa PCB (DRC)
Hlahloba PCB Design Rule Check (DRC) ho Phahamisa Merero ea Hau. Netefatsa Meralo e se Nang Liphoso, Ntlafatsa Tsebo ea Tlhahiso, 'me u Ntlafatse Ts'ebetso ea Motlakase.
Ke eng PCB Design Rule Check
Moralo le tlhahiso ea PCB e rarahane, e kenyelletsa likete tsa likarolo le likhokahano libotong tse ngata. Ho eketsa chai ea tlhahiso le ho boloka boleng, Design Rule Check (DRC) e bohlokoa. DRC e tsebahatsa le ho lokisa liphoso qalong ea mohato oa moralo, ho thibela tšenyo ea sehlahisoa e bakoang ke mathata a kang matla a makhutšoane a motlakase, li-pass tse sa lumellaneng hantle, kapa lithapo tse sieo. Ho bohlokoa bakeng sa ho ts'ehetsa boleng ba PCB tlhahisong.
PCB Design Rule Check (DRC) ke mohato oa bohlokoa oa phallo ea moralo oa PCB ho netefatsa hore moralo o kopana le melao e boletsoeng esale pele ea moralo le litlhoko tsa tlhahiso. E boetse e tsejoa e le DRC indastering ea PCB, e sebeletsa merero e 'meli ea bohlokoa:
1. Lekola sebopeho sa PCB khahlano le licheke tse fapaneng tsa melao ea moralo - lisebelisoa tsa DRC li etsa licheke tse pharaletseng tse amanang le sebaka, bophara, joalo-joalo tsa lintho tsa sebopeho sa PCB joalo ka li-traces, vias, pads, joalo-joalo Sena se tiisa hore moralo o latela litlhoko tsa mahlale le kopano moetsi oa PCB.
2. Netefatsa ho tsamaellana ha tlhahiso - DRC e hlahloba lifaele tsa data tsa Gerber tse hlahisitsoeng ho tsoa ho software ea moralo oa PCB khahlano le bokhoni ba tlhahiso ea ntlo ea masela ea PCB. Netefatso ena e felisa liphoso 'me e thibela mathata a ka bang teng a tlhahiso.
PCB Design Rule Check (DRC) ke sesebelisoa sa bohlokoahali moralong oa sejoale-joale oa PCB, ho netefatsa hore moralo oa ho qetela o kopana le maemo a boleng, ts'ebetso le tlhahiso. E bapala karolo ea bohlokoa ho thibela liphoso tsa moralo, ho fokotsa litaba tsa tlhahiso, le ho kenya letsoho ho nts'etsopele e atlehileng ea lihlahisoa tsa elektroniki.
Motsoako oa PCB DRC le PCB Layout
Sebakeng sa moralo oa PCB, ho kopanngoa ha PCB Design Rule Check (DRC) le ts'ebetso ea sebopeho sa PCB ho kentse nako e ncha ea ts'ebetso le ho nepahala. Kopano ena e se nang moeli e lumella hore ho be le ts'ebetso e bonolo, ho fokotsa mesebetsi ea matsoho le ho netefatsa hore moralo o lumellana. Mona ke kamoo motsoako ona o sebetsang kateng:
Melao e Kopantsoeng ea DRC
Melao ea PCB Design Rule Check (DRC) e arotsoe ka hloko libakeng tse ikhethileng joalo ka Signal Integrity (SI), Power Integrity (PI), Electromagnetic Interference (EMI), le polokeho. Molao o mong le o mong o tsamaea ka mokhoa o nahanang le leqephe le felletseng le hlalosang, le nolofatsa haholo mokhoa oa ho khetha le ho etsa liteko tsa bohlokoa bakeng sa moralo oa PCB. Tšobotsi ena e netefatsa hore baqapi ba khona ho tsamaea le ho netefatsa meralo ea bona ka bonolo le ho nepahala ho ke keng ha bapisoa, ho kenya letsoho ts'ebetsong e matla le e sebetsang ea netefatso ea moralo.
Ho Khetholla Li-Discontinuities tsa Impedans
Lifofane tse tsamaeang ka lebelo le phahameng tse tšelang marang-rang li ka hlahisa ho se tsoelepele ho latela mesaletsa ea mats'oao, tse ka bakang litaba tse joalo ka likhakanyo, radiation le crosstalk.
Ho tsebahatsa le ho hlahloba ka bouena liketsahalo tse joalo ka meralo e rarahaneng ea PCB ke mosebetsi o boima.
Lisebelisoa tsa khale tsa papiso hangata li hlokomoloha liketsahalo tsena.
Leha ho le joalo, molao oa "netts crossing likheo" oa DRC o supa hantle le ho fumana likheo tsena, ho ntlafatsa ts'ebetso ea moralo.
PCB DRC E matha
Kamora ho sebelisa molao oa PCB Design Rule Check (DRC), baqapi ba ka fihlella tabo e inehetseng ea spreadsheet e bonts'ang liphetho tse felletseng bakeng sa tlhahlobo eo ea DRC. Ka ho tobetsa feela tlōlo ea molao ka har'a spreadsheet, sesebelisoa hang-hang se totobatsa sebaka se nepahetseng sa phoso ho moralo oa PCB. Ho feta moo, likarolo life kapa life tse amanang le tlolo ea molao li totobatsoa ka mokhoa o nahanang, ho fana ka litšupiso tse potlakileng le tse felletseng bakeng sa ho rarolla liphoso.
Phallo ea Tsamaiso e Tsamaisitsoeng
Ho kopanngoa ha sebopeho sa PCB le li-interface tsa PCB Design Rule Check (DRC) ho netefatsa hore data ea tlōlo ea molao e kenngoa ka har'a sesebelisoa sa sebopeho sa PCB.
Baqapi ba PCB ha ba sa hlola ba sebelisana ka letsoho lipakeng tsa lisebelisoa tse fapaneng, ho ntlafatsa ts'ebetso ea ts'ebetso.
Ha ho etsoa liphetoho ho moralo oa PCB ho sebetsana le litlolo, moreki ea hokahantsoeng oa DRC a ka sebelisoa ka kotloloho ka har'a fensetere ea lisebelisoa ho tsamaisa melao e khethiloeng le ho netefatsa hore litlolo li hlakotsoe.
Ke Eng Seo Moralo oa ho hlahloba (DRC) a se Kenyelletsang
Tlhokomelo e felletseng ea Molao oa Moralo (DRC) ke motheo oa moralo o atlehileng oa PCB, o o hokahanya le bokhoni ba ho etsa. Ho Highleap, re motlotlo ka ho fana ka litšebeletso tsa tlhahiso ea PCB le PCBA tse behang mohlala. Mehlala ea mekhoa e tloaelehileng ea DRC ke ena:
Bonyane Bophara ba Pina le Ka Boholo
Ho ikamahanya le matla a tlhahiso ea moetsi oa PCB ho bohlokoa. Sena se kenyeletsa ho ikamahanya le bophara bo fokolang ba pina le ka litlhoko tsa boholo.
Ka ho hlahloba lesale la annular
PTH ho hlahloba lesale la annular
Ho nahanela sebaka
Sebaka se lekaneng se bohlokoa. Sena se kenyelletsa karohano lipakeng tsa lipina, lipina le liphaephe, lipina le li-vias, li-pads le li-vias, le li-vias. Ho bohlokoa ho fihlela litlhoko tsa tlhahiso. Mohlala, Highleap, bonyane ba bophara ba pina le sebaka sa sebaka ke 3 mil (0.0762 mm), empa mokhoa o khothaletsoang ke ho rala ka bophara ba pina le sebaka sa 6 mil (0.15 mm) kapa ho feta ho boloka litšenyehelo.
ho hlahloba sebaka
ho hlahloba sebaka
Matla le Phatlalatso ea Phatlalatso ea Lefatše
Bophara ba matla le mesaletsa ea fatše e lokela ho khethoa ka mokhoa o nahanang le ho kopanngoa ka thata bakeng sa kabo e nepahetseng ea matla.
E latela tlhahlobo ea bophara
E latela tlhahlobo ea bophara
Letšoao la Botšepehi
Bakeng sa mesaletsa ea mats'oao a bohlokoa, ho bohlokoa ho latela lintlha tsa leqephe la data le litataiso tse nepahetseng tsa ho tsamaisa. Sena se kenyelletsa ho fokotsa bolelele ba ho latela mohlala, ho kenyelletsa mesaletsa ea balebeli, le ho fihlela litlhoko tsa ho thibela, haholo-holo bakeng sa lipara tse fapaneng.
E hlahloba bophara ba lipina
Lipina ho hlahloba sebaka
Karohano ea Letšoao
Karohano e nepahetseng ea matšoao ke ea bohlokoa. E kenyelletsa ho arola matšoao a ho kenya le ho tsoa, likarolo tsa digital le analog, likarolo tse phahameng le tse fokolang, hammoho le likarolo tse matla le tse fokolang.
Mehlala ena e emela karoloana feela ea licheke tse entsoeng nakong ea moralo. DRC e felletseng e netefatsa hore meralo ea PCB e fihlela litekanyetso tse phahameng ka ho fetisisa tsa boleng, ts'ebetso, le tlhahiso, litekanyetso tseo re li bolokang ho Highleap joalo ka moetsi oa hau o tšepahalang oa PCB le PCBA.
Bohlokoa ba PCB Design Rule Check (DRC)
Ho hlahloba melao ea moralo ke mohato oa bohlokoa o netefatsang ho etsoa, ts'ebetso, le ts'epahalo ea sebopeho sa boto ea potoloho e hatisitsoeng (PCB). DRC e phethahetseng e na le melemo e fihlang hole e amang mohato o mong le o mong oa potoloho ea moralo:
- Ka moralo, DRC e fana ka maikutlo a potlakileng ho baenjiniere, e ba nolofalletsang ho lokisa litaba ka nepo le ho ntlafatsa moralo. Sena se thibela li-spins tse bitsang chelete e ngata hamorao.
- Ka boqapi, ho latela litataiso tsa DRC ho fella ka chai e ngata, mefokolo e fokolang, le tlhahiso e thellang. Li-PCB tse entsoeng ke nako ea pele.
- Litekong, liboto tse fetang DRC li na le liphoso tse fokolang. Lisebelisoa li ka tsepamisoa tšebetsong ho fapana le liphoso tsa mantlha.
- Ts'ebetsong, ho lumellana le botšepehi ba pontšo, botšepehi ba matla le melao ea EMI e lebisa ts'ebetsong e tšepahalang, e matla tšimong.
Bakeng sa netefatso ea boleng, DRC e felletseng e bontša boitelo bo nepahetseng mekhoeng ea meralo le ho fokotsa likotsi tsa ho latela melao. - Ha e le hantle, DRC ha e felle feela ka ho hlahloba melao - e bohlokoa bakeng sa ho netefatsa hore li-PCB tse sebetsang hantle, tse ka hlahisoang, tsa boleng bo holimo tse fihlelang litlhoko.
Ho kopanya DRC ka botebo ka har'a phallo ea moralo ke senotlolo sa ho nolofalletsa liqeto tse nang le tsebo le mohopolo oa ho thibela pele. Matsete a pele ho DRC a fana ka meputso molemong oa lihlahisoa tsohle.
Melao ea PCB DRC
PCB Design Rule Check (DRC) e akaretsa letoto la melao le litataiso tse netefatsang ho nepahala, ho sebetsa, le ts'ebetso ea meralo ea boto ea potoloho e hatisitsoeng (PCB). Melao ena e akaretsa likarolo tse fapaneng tsa ts'ebetso ea moralo oa PCB mme e ka fapana ho latela litlhoko tse khethehileng tsa morero le bokhoni ba moetsi oa PCB. Mekhahlelo e meng e tloaelehileng ea melao ea PCB DRC ke ena:
Dimensional Melao
- Kemiso ea boto: Netefatsa hore kemiso ea PCB e latela litekanyo tse boletsoeng.
- Ho bea likaroloana: Hlalosa sebaka sa bonyane le boholo ba likaroloana, libaka tsa ho boloka, le libaka tsa ho boloka.
Melao ea Motlakase
- Track bophara le sebaka: Hlalosa bonyane le boholo ba bophara ba ho latedisa le sebaka se pakeng tsa mesaletsa.
- Ka mefuta le boholo: Hlalosa tse amohelehang ka mefuta le boholo, ho kenyeletsoa bophara ba lesoba le boholo ba reng ea annular.
- Taolo ea Impedans: Beha melao ea ho boloka ho ts'oana ho ts'oana ha matšoao, haholo-holo bakeng sa meralo ea lebelo le holimo.
- Ho hlaka le ho itšehla thajana: Hlalosa libaka tse fokolang lipakeng tsa likarolo tse fapaneng tsa motlakase, joalo ka mesaletsa, liphaephe le li-vias.
Melao ea Botšepehi ba Pontšo (SI).
- Bolelele ba ho nyallana: Netefatsa hore mesaletsa ka har'a litsela tsa mats'oao a lebelo le phahameng a bapisoa ka bolelele ho fokotsa skew ea mats'oao.
- Litsela tse fapaneng: Hlalosa litlhokahalo tsa ho tsamaisa lipara tse fapaneng ka sebaka se laoloang le ho bapisa bolelele.
- Pheliso ea mats'oao a lebelo le phahameng: Hlalosa mekhoa e nepahetseng ea ho emisa bakeng sa mats'oao a lebelo le holimo.
Melao ea Botšepehi ba Matla (PI).
- Tsoelo-pele ea sefofane sa motlakase: Etsa bonnete ba hore sefofane se sa khaotseng sa motlakase se nang le lisebelisoa tse nepahetseng ka stitch bakeng sa kabo ea motlakase e tsitsitseng.
- Li-decoupling capacitor: Hlalosa sebaka le boleng ba li-capacitor tse fokotsang ho fokotsa lerata la matla.
Melao ea Tlhahiso
- Bopha bo boholo ba masoba le likarolo tsa likarolo: Beha litataiso bakeng sa bonyane le boholo ba mekoti ea ho cheka le likarolo tsa likarolo ho netefatsa hore lia etsoa.
- Litsi tsa tumello ea mask a solder: Hlalosa litumello tse fokolang bakeng sa menyetla ea ho bula mask ho thibela borokho ba solder nakong ea kopano.
- Sebaka sa koporo ho isa moeling: Hlalosa bohole bo fokolang lipakeng tsa likarolo tsa koporo le moeli oa PCB.
Silkscreen le Melao ea Litokomane
- Baqapi ba litšupiso le lintlha tsa likarolo: Netefatsa hore matshwao a sekirini sa silika a hlakile a bile a nyallana ka nepo le likaroloana.
- Lintlha tsa Kopano le litokomane: Fana ka litataiso tsa ho kenyelletsa lintlha tsa bohlokoa tsa kopano le maqheka moralong oa PCB.
Melao e Khethehileng
- Melao ena e ka ba e tobileng morero 'me e ka kenyelletsa litlhoko tse ikhethang ho latela litekanyetso tsa kopo kapa tsa indasteri.
Melao ena e ka ba e tobileng morero 'me e ka kenyelletsa litlhoko tse ikhethang ho latela litekanyetso tsa kopo kapa tsa indasteri.
Ho bohlokoa ho hlophisa melao ea DRC molemong oa projeke e itseng le ts'ebetso ea tlhahiso ho netefatsa moralo o atlehileng oa PCB. Ho khomarela melao ena ho thusa ho thibela liphoso, ho ntlafatsa manufacturability, le ho netefatsa ts'ebetso e lakatsehang ea motlakase ea PCB ea ho qetela.
Bakeng sa litlhoko tsohle tsa hau tsa tlhahiso ea PCB le PCBA, Highleap ke molekane oa hau eo u mo tšepang. Re kopanya theknoloji e tsoetseng pele le boitlamo ba boleng, ho netefatsa hore meralo ea hau e ba ea nnete ka nepo le ka ts'epahalo.