Ngaba uyazi ukuba yintoni iPD?Igama elipheleleyo le-PD yi-Power Delivery, eyiprothokholi yokutshaja edibeneyo eyenziwe yi-USB Association ukudibanisa izixhumi nge-USB Type C. Ngokufanelekileyo, nje ukuba isixhobo sixhasa i-PD, kungakhathaliseki ukuba uyincwadana, ithebhulethi okanye ifowuni yeselula. , ungasebenzisa inkqubo yokutshaja enye.I-USB TypeC ukuya kwintambo ye-TypeC kunye netshaja yePD isetyenziselwa ukutshaja.
1.Ingcamango esisiseko yokuTjaja
Ukuze siqonde i-PD kuqala, kufuneka siqale siqonde ukuba isantya sokutshaja sinxulumene namandla okutshaja, kwaye amandla anxulumene nombane kunye nombane, kwaye oku kuqhagamshelwe kwifomula yombane.
P= V*I
Ke ukuba ufuna ukuhlawulisa ngokukhawuleza, amandla kufuneka abe phezulu.Ukwandisa amandla, unokwandisa i-voltage, okanye unokunyusa okwangoku.Kodwa ngaphambi kokuba kungabikho protocol yokutshaja yePD, eyona idumileyoUSB2.0umgangatho ucacisa ukuba i-voltage kufuneka ibe yi-5V, kwaye okwangoku yi-1.5A kuphela kakhulu.
Kwaye okwangoku kuya kunqunyulwa ngumgangatho wekhebula lokutshaja, ngoko ke kwinqanaba lokuqala lophuhliso lokutshaja ngokukhawuleza, injongo ephambili kukunyusa i-voltage.Oku kuyahambelana neentambo ezininzi zothumelo.Nangona kunjalo, kuba kwakungekho protocol yokutshaja edibeneyo ngelo xesha, abavelisi abahlukeneyo baphuhlisa iiprothokholi zabo zokutshaja, ngoko ke uMbutho we-USB wasungula ukuhanjiswa kwamandla ukudibanisa iprotocol yokutshaja.
Ukuhanjiswa kwamandla kunamandla ngakumbi kuba akuxhasi nje ukutshaja okuphantsi kwamandla ezixhobo, kodwa kukwaxhasa ukutshaja kwezixhobo ezinamandla aphezulu njengeencwadana zamanqaku.Emva koko masifunde malunga neprotocol yePD!
2.Intshayelelo yonikezelo lwamandla
Kukho iinguqulelo ezintathu zePD ukuza kuthi ga ngoku, PD / PD2.0 / PD3.0, phakathi kwazo iPD2.0 kunye nePD3.0 zezona zixhaphakileyo.I-PD ibonelela ngamanqanaba ahlukeneyo eeprofayili ngokweendlela ezahlukeneyo zokusetyenziswa kwamandla, kwaye ixhasa izixhobo ezininzi ezahlukeneyo,ukusuka kwiselula, kwiitafile, kwiilaptops.
I-PD2.0 ibonelela ngeendlela ezahlukeneyo zombane kunye nendibaniselwano yangoku ukuhlangabezana neemfuno zamandla ezixhobo ezahlukeneyo.
I-PD2.0 inemfuno, oko kukuthi, iprotocol yePD ixhasa kuphela ukutshaja nge-USB-C, kuba iprotocol yePD ifuna izikhonkwane ezithile kwi-USB-C yonxibelelwano, ngoko ke ukuba ufuna ukusebenzisa iPD ukuhlawula, hayi itshaja kuphela. kunye ne Ukuxhasa umthetho olandelwayo wePD, isixhobo seterminal kufuneka sihlawulwe nge-USB-C nge-USB-C ukuya kwintambo yokutshaja ye-USB-C.
Kwiincwadi zamanqaku, incwadi yamanqaku esebenza kakhulu inokufuna umbane oyi-100W.Emva koko, ngeprotocol yePD, i-notebook inokufaka isicelo seprofayili ye-100W (20V 5A) ukusuka kumbane, kwaye umbane uya kunika i-notebook nge-20V kunye nobuninzi be-5A.Umbane.
Ukuba ifowuni yakho yeselula idinga ukuhlawuliswa, ke ifowuni ayifuni umbane ophezulu wombane, ngoko ke ifake isicelo kwiprofayili ye-5V 3A kunye nombane, kwaye umbane unika ifowuni ye-5V, ukuya kwi-3a.
Kodwa iPD sisivumelwano sonxibelelwano kuphela.Ungafumanisa ukuba isixhobo se-terminal kunye nonikezelo lwamandla lufakelelwe iprofayile ethile ngoku, kodwa eneneni, unikezelo lwamandla lusenokungakwazi ukunika amanzi aphezulu kangako.Ukuba unikezelo lwamandla alunawo amandla anjalo aphezulu, unikezelo lwamandla luya kuphendula.Le profayile ayifumaneki kwisixhobo setheminali, nceda unikeze enye iprofayile.
Ke eneneni, iPD lulwimi lonxibelelwano phakathi konikezelo lwamandla kunye nesixhobo se-terminal.Ngonxibelelwano, isisombululo esifanelekileyo sokubonelela ngombane silungelelaniswa.Ekugqibeleni, unikezelo lwamandla luphuma kwaye i-terminal iyayamkela.
3. Isishwankathelo - iProtocol yePD
Oku ngasentla "kukusondela" kwentshayelelo yePD protocol.Ukuba awuyiqondi, kulungile, yinto eqhelekileyo.Kufuneka wazi kuphela ukuba iprotocol yePD iya kumanyanisa ngokuthe ngcembe inkqubo yokutshaja kwixesha elizayo.Ilaptop yakho inokuhlawuliswa ngokuthe ngqo ngetshaja yePD kunye nentambo yokutshaja ye-USB Type-C, njengoko iya kwenza ifowuni yakho ephathwayo kunye nekhamera yakho.Ngamafutshane, akusayi kufuneka uhlawule kwixa elizayo.Isixa seetshaja, udinga itshaja yePD enye kuphela.Nangona kunjalo, ayisiyo tshaja yePD kuphela.Yonke inkqubo yokutshaja ibandakanya: itshaja, intambo yokutshaja kunye netheminali.Itshaja kufuneka ingabi nemveliso eyaneleyo kuphela, kodwa intambo yokutshaja kufuneka ibe nomthamo owaneleyo ukuya Esona santya sikhawulezayo sokutshaja ngokupheleleyo isixhobo sakho, kwaye mhlawumbi unokuhoya ngakumbi xa uthenga itshaja kwixesha elizayo.
Ixesha lokuposa: Apr-13-2022