Ubuqotho Bamandla (PI)
Ukuhlanganiswa kwamandla, okubhekiselwe kuyo njenge-PI, ukuqinisekisa ukuthi ngabe ivoluka lamandla kagesi kanye namanje lamandla ahlangabezana nezidingo. Ubuqotho bamandla buhlala bungenye yezinselelo ezinkulu ekwakhiweni kwe-PCB ephezulu kakhulu.
Izinga lobuqotho bamandla lifaka izinga le-chip, izinga lokupakisha chip, izinga le-Circuit board kanye nezinga lohlelo. Phakathi kwazo, ubuqotho bamandla emazingeni e-Circuity Board kufanele bahlangabezane nalezi zidingo ezintathu ezilandelayo:
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2. Ukulawula umhlabathi
3, nciphisa ukuphazanyiswa kwe-electromagnetic futhi ugcine ukuhambisana kwe-electromagnetic kanye nokuhambisana kwe-electromagnetic (i-EMC)
Inkinga yobuqotho
Inkinga yokunikeza amandla i-Power Intengiso ibangelwa ikakhulukazi umklamo ongenangqondo we-capacitor yokuzithoba, ithonya elibi lokujikeleza, ukugawulwa okubi kwamandla amaningi okuhlinzekwa kwamandla / indiza enobuntu, ukwakheka okungenangqondo kokwakheka nokungalingani kwamanje. Ngokulingisa amandla okulindisa amandla, lezi zinkinga zitholakele, bese kuba nezinkinga zobuqotho bamandla bezixazululwa ngezindlela ezilandelayo:
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(3) Engxenyeni enobunzima obuphezulu yamanje, lungisa isikhundla sedivayisi ukwenza ukuthi kudlule kwendlela ebanzi ngendlela ebanzi.
Ukuhlaziywa kobuqotho bamandla
Ekuhlaziyweni kobuqotho bamandla, izinhlobo eziphambili zokulingisa zifaka ukuhlaziya kwe-dc voltage Drop Consop, ukuhlaziya okukhohlisayo kanye nokuhlaziywa komsindo. Ukuhlaziywa kwe-DC Voltage Drop kuhlanganisa ukuhlaziya okuhlaziywa kwe-wiring eyinkimbinkimbi kanye nama-Plane bobunjwa ku-PCB futhi kungasetshenziswa ukuthola ukuthi kungakanani amandla azolahleka ngenxa yokumelana nethusi.
Ibonisa ubukhulu bamanje kanye namagrafu wokushisa "wezindawo ezishisayo" ku-PI / Thermal co-sekulivation
Ukuhlaziywa kwezinkohliso kuvame ukushayela ushintsho kunani, uhlobo, nenombolo yama-capacitors asetshenziswa ku-PDN. Ngakho-ke, kuyadingeka ukufaka i-parasititic ukwehla kanye nokumelana nemodeli ye-capacitor.
Uhlobo lokuhlaziywa komsindo lungahluka. Zingafaka umsindo kusuka kumakhonkwane wamandla e-IC asakaza ebhodini lesekethe futhi angalawulwa ngama-capacitors asoma. Ngokuhlaziywa komsindo, kungenzeka ukuthi uphenye ukuthi umsindo uhlanganiswa kanjani ukusuka emgodini owodwa uye kwesinye, futhi kungenzeka ukuhlaziya umsindo wokushintsha okuvumelanayo.