Kune akawanda PCB dhizaini mitemo. Izvi zvinotevera muenzaniso wemagetsi kuchengetedza nzvimbo. Kugadzwa kwemitemo yemagetsi ndiyo dhizaini yedunhu redhizaini mu wiring inofanirwa kuenderana nemirairo, kusanganisira chengetedzo chinhambwe, dunhu rakavhurika, pfupi dunhu kuseta. Kumisikidzwa kweaya ma paramita kuchakanganisa mutengo wekugadzira, kuomerwa kwedhizaini uye kurongeka kweiyo PCB yakagadzirwa, uye inofanirwa kubatwa zvakasimba.
1.Clearance Mitemo
PCB dhizaini ine yakafanana netiweki spacing, akasiyana network kuchengetedza spacing, zvimwe, mutsara wakafara unofanirwa kusetwa, iyo default mutsara upamhi uye spacing ndeye 6mil, iyo default spacing i6mil, iyo shoma mutsara upamhi inoiswa ku6mil, iyo yakakurudzirwa kukosha ( iyo default wiring wide) yakaiswa ku10mil, iyo yakawanda inoiswa ku200mil. Specific Settings maererano nekuoma kwebhodhi wiring setting.
Iyo yakatarwa mutsetse upamhi uye nzvimbo inodawo kutaurirana nemugadziri wePCB pachine nguva, nekuti vamwe vagadziri vangatadza kuwana iyo yakatarwa mutsara upamhi uye nzvimbo nekuda kwedambudziko rekuita basa, uye diki upamhi hwemutsara uye nzvimbo, iyo yakakwira mutengo.
2.Mutsetse wepakati 3W mutemo
Zvese zvakagadzirirwa mutsetse wewachi, mutsara wekusiyanisa, vhidhiyo, odhiyo, reset mutsara uye mamwe masisitimu akakosha mitsara. Kana mawaya akawanda anomhanya-mhanya achifamba nzendo refu, kuitira kuderedza kutaura-pakati pakati pemitsara, mutsara wemitsara unofanirwa kuve wakakura zvakakwana. Apo mutsara wepakati pepakati hausi pasi pe3 nguva yehupamhi hwemutsara, minda yakawanda yemagetsi haigoni kupindirana, iyo ndiyo mutemo we3W. Mutemo we3W unochengetedza 70% yeminda kubva mukupindirana, uye ne 10W spacing, 98% yeminda inogona kuwanikwa pasina kupindirana.
3.20H mutemo weiyo simba layer
Mutemo we20H unoreva chinhambwe che20H pakati pesimba rekupa magetsi uye magadzirirwo, ayo ari echokwadi kuvharidzira kumucheto kwemwaranzi maitiro. Nekuda kwekuti nzvimbo yemagetsi iri pakati pesimba nepasi iri kushanduka, kukanganiswa kwemagetsi kunopenya kunze kumucheto kweplate, inodaidzwa kunzi edge effect. Mushonga wacho ndewokuderedza simba rekupa simba kuitira kuti magetsi emagetsi angofambiswa chete mukati mehuwandu hwepasi. Iine H imwe (ukobvu hwepakati pakati pesimba uye pasi) sechikamu, 70% yemunda wemagetsi inogona kuvharirwa kumucheto kwepasi nechibvumirano che 20H, uye 98% yemunda wemagetsi unogona. kuvharirwa nechibvumirano che100H.
4.Influence ye impedance line spacing
Chimiro chakaoma che impedance control inosanganisira mitsetse miviri yekusiyanisa chiratidzo. Iwo masaini ekuisa pamagumo emutyairi masaini maviri esaizi yemasaisai akatarisana polarity, zvichiteerana achifambiswa nemitsara miviri yekusiyanisa, uye maviri masaini masaini kumagumo ekugamuchira anobviswa. Iyi nzira inonyanya kushandiswa mune yakakwirira-kumhanya dhijitari analog maseketi kune zvirinani chiratidzo chekuvimbika uye kuramba ruzha. Iyo impedance inoenderana nemusiyano mutsara wepakati, uye iyo yakakura mutsauko wemutsara mutsara, iyo yakakura impedance.
5.Electrical creepage kure
Electrical clearance uye creepage chinhambwe chakanyanya kukosha muPCB dhizaini yeakakwira voltage switching magetsi. Kana iyo yemagetsi clearance uye creepage kureba yakanyanya kudiki, zvinodikanwa kuti utarise kune leakage mamiriro. Creepage spacing uye gap remagetsi Munguva yePCB dhizaini, gap remagetsi rinogona kugadziridzwa nekugadzirisa kugadzirisa nzvimbo kubva padhi kuenda padhi. Kana PCB nzvimbo yakaoma, creepage spacing inogona kuwedzerwa ne grooving.
