6 Layer Pcb matla phepelo botsitso le matla a phepelo lerata mathata

Ha theknoloji e ntse e tsoela pele le lisebelisoa li ntse li rarahana le ho feta, ho netefatsa hore phepelo ea motlakase e tsitsitseng e ba bohlokoa le ho feta.Sena ke 'nete haholo-holo bakeng sa li-PCB tsa 6-layer, moo botsitso ba matla le litaba tsa lerata li ka amang phetiso ea mats'oao a bobebe le lits'ebetso tsa motlakase o phahameng haholo. Ka poso ena ea blog, re tla hlahloba maano a fapaneng a ho rarolla mathata ana ka katleho.

1. Utloisisa botsitso ba phepelo ea motlakase:

Botsitso ba phepelo ea motlakase bo bolela bokhoni ba ho fana ka motlakase o tsitsitseng le oa hajoale ho likarolo tsa elektroniki ho PCB. Liphetoho leha e le life kapa liphetoho tsa matla li ka etsa hore likarolo tsena li se ke tsa sebetsa hantle kapa tsa senyeha. Ka hona, ho bohlokoa ho tseba le ho lokisa mathata afe kapa afe a botsitso.

2. Lemoha mathata a lerata la phepelo ea motlakase:

Lerata la phepelo ea motlakase ke liphetoho tse sa batleheng tsa voltage kapa maemo a hajoale ho PCB. Lerata lena le ka kena-kenana le ts'ebetso e tloaelehileng ea likarolo tse bonolo, tse bakang liphoso, ho se sebetse hantle, kapa ts'ebetso e senyehileng. Ho qoba mathata a joalo, ho bohlokoa ho tseba le ho fokotsa mathata a lerata la phepelo ea motlakase.

3. Theknoloji ea fatše:

E 'ngoe ea lisosa tse ka sehloohong tsa botsitso ba phepelo ea motlakase le mathata a lerata ke ho beha fatše ho sa lokelang. Ho kenya ts'ebetsong mekhoa e nepahetseng ea ho theola fatše ho ka ntlafatsa haholo botsitso le ho fokotsa lerata. Ak'u nahane ka ho sebelisa sefofane se tiileng sa fatše ho PCB ho fokotsa loops le ho netefatsa bokhoni bo tšoanang ba litšupiso. Ho phaella moo, ho sebelisa lifofane tse arohaneng tsa fatše bakeng sa likarolo tsa analog le tsa digital ho thibela ho kopanya lerata.

4. Decoupling capacitor:

Li-decoupling capacitor tse behiloeng ka mokhoa o hlophisitsoeng ho PCB li monya le ho sefa lerata le phahameng, ho ntlafatsa botsitso. Li-capacitor tsena li sebetsa joalo ka polokelo ea matla ea lehae, li fana ka matla a hang-hang ho likarolo nakong ea liketsahalo tsa nakoana. Ka ho beha li-decoupling capacitor haufi le lithapo tsa matla tsa IC, botsitso ba sistimi le ts'ebetso li ka ntlafatsoa haholo.

5. Marang-rang a tlase a kabo ea impedance:

Ho theha marang-rang a phano ea matla a tlase (PDNs) ho bohlokoa ho fokotsa lerata la phepelo ea motlakase le ho boloka botsitso. Nahana ka ho sebelisa mesaletsa e batsi kapa lifofane tsa koporo bakeng sa lithapo tsa motlakase ho fokotsa tšitiso. Ho feta moo, ho beha li-capacitor tsa bypass haufi le lithapo tsa motlakase le ho netefatsa hore mesaletsa e mekhutšoanyane ea matla e ka ntlafatsa ts'ebetso ea PDN.

6. Theknoloji ea ho hloekisa le ho sireletsa:

Ho sireletsa mats'oao a bohlokoa ho lerata la phepelo ea motlakase, ho bohlokoa ho sebelisa mekhoa e nepahetseng ea ho sefa le ho sireletsa. Sebelisa sefe ea "low-pass filter" ho theola lerata le phahameng ha u ntse u lumella lets'oao le batlang ho feta. Ho kenya ts'ebetsong mehato e sireletsang joalo ka lifofane tse fatše, li-copper cladding, kapa lithapo tse sirelelitsoeng ho ka thusa ho fokotsa ho kopanya lerata le tšitiso e tsoang mehloling e ka ntle.

7. Lera le ikemetseng la matla:

Lits'ebetsong tse phahameng tsa motlakase, ho khothalletsoa ho sebelisa lifofane tse arohaneng tsa motlakase bakeng sa maemo a fapaneng a motlakase. Karohano ena e fokotsa kotsi ea ho kopanya lerata lipakeng tsa libaka tse fapaneng tsa motlakase, ho netefatsa botsitso ba phepelo ea motlakase. Ho feta moo, ts'ebeliso ea mahlale a nepahetseng a ho itšehla thajana, joalo ka li-optocouplers tsa ho itšehla thajana, a ka ntlafatsa polokeho le ho fokotsa litaba tse amanang le lerata.

8. Ketsiso ea pele le tlhahlobo ea moralo:

Ho sebelisa lisebelisoa tsa papiso le ho etsa tlhahlobo ea pele ho moralo ho ka thusa ho tseba litaba tse ka bang teng tsa botsitso le lerata pele ho phethela moralo oa PCB. Lisebelisoa tsena li lekola bots'epehi ba matla, botšepehi ba matšoao, le litaba tsa khokahano ea motlakase (EMC). Ka ho sebelisa mekhoa ea moralo e tsamaisoang ke papiso, motho a ka sebetsana le litaba tsena ka nepo le ho ntlafatsa sebopeho sa PCB ho ntlafatsa ts'ebetso.

Ha re phethela:

Ho netefatsa botsitso ba phepelo ea motlakase le ho fokotsa lerata la phepelo ea motlakase ke lintlha tsa bohlokoa bakeng sa moralo o atlehileng oa PCB, haholo phetisong ea mats'oao a bobebe le lits'ebetso tse phahameng tsa motlakase. Ka ho sebelisa mekhoa e nepahetseng ea ho theola mobu, ho sebelisa li-capacitor tse fokotsang, ho theha marang-rang a fokolang a fokolang, ho sebelisa mehato ea ho sefa le ho sireletsa, le ho etsa papiso e lekaneng le tlhahlobo, lintlha tsena li ka rarolloa ka katleho 'me ho fihleloa phepelo e tsitsitseng le e ka tšeptjoang ea matla. Hopola hore ts'ebetso le nako e telele ea PCB e entsoeng hantle e itšetlehile haholo ka tlhokomelo ea botsitso ba phepelo ea motlakase le ho fokotsa lerata.