Muaj ntau ntau ntau cov xov tooj ntawm tes uas txhawb kev them nyiaj sai sai, tab sis qhov no yog qhov muab faib ua ob lub ntsiab lus loj:
1. Kev kub siab, qis zog thiab ceev ceev
2. Low voltage, siab tam sim no, ceev them nyiaj
Thawj cov tshuaj feem ntau yog siv los ntawm Qualcomm, QuickCharge, MediaTek PEP, Huawei FCP, thiab lwm yam., Qhov thib ob muaj OPPO's VOOC thiab Huawei SuperCharge, hos tus USB-Protocol tau hais txog kev siv hluav taws xob thiab muaj hluav taws xob tsawg. Qhov kawg nkaus uas yog IFS yog WorkSHOP ib zaug rov los ntau qhov chaw los ua kom paub cov PD, thiab yav tom ntej lub xov tooj txawb PD cov nqi them ceev yuav muaj ntau qhov chaw ua lag luam.
Raws li paub zoo, P = UI, ua rau lub hwj huam uas them lub zog tsis muaj dab tsi ntau tshaj li qhov tam sim no los yog qhov hluav taws xob. Txawm li cas los, tsis muaj hluav taws xob los yog tam sim no tuaj yeem nce ntau yam tsis muaj kev txwv, vim hais tias ob qho tib si yuav coj kev pom tseeb rau lub xov tooj txawb.
Thawj hom high-voltage nqi qis-ceev tam sim no yog them tus nqi hluav taws xob (7-20V) thaum lub sijhawm them nyiaj kom txhim kho lub hwjchim. Kev them tus txheej txheem ntawm lub xov tooj ceev ceev yog feem ntau ua ntej yuav txo qhov 220V voltage mus rau 5V los ntawm lub taub hau them nyiaj thiab sab hauv lub xov tooj ntawm lub xov tooj txawb. Tom qab ntawd 5V voltage txo kom 4.2V thiab lub hwj huam tuaj rau lub roj teeb. Tus txheejtxheem tseem ceeb yuav ua kom muaj hluav taws xob, thaum lub siab ua haujlwm qis qis qis yuav nce siab 5V charging lub qhov hluav taws xob tawm mus rau 7-20V, thiab txo qis hauv lub xov tooj ntawm tes mus rau 4.2V. Tus txheej txheem them tag nrho yuav tsim ntau lub cev. Cov tshav kub, cov roj teeb, thiab cov xov tooj ntawm tes txhua tus muaj cua sov, uas tsis yog qhov zoo rau kev txhim kho ntawm kev them tus nqi.
Qhov thib ob hom low-voltage high-current nqi them ceev yog ua kom muaj zog tam sim no thaum lub qhov hluav taws xob tsis tu ncua (4.5V-5V). Feem ntau, qhov kev siv nyiaj yog siv los faib rau tam sim no. Raws li qhov ntsuas qhov ntsuas, qhov sib npaug ntawm txhua lub voj voog tom qab sib txig sib luag. Tus me, zoo li qub nyob rau hauv xov tooj, qhov tsawg siab ntawm txhua qhov Circuit Court yuav dais. Piv txwv, VOOC flash charging pabcuam cov peev txheej ntawm cov dej loj los ntawm kev nce tus naj npawb ntawm cov xaim hluav taws xob / cov xov tooj ntawm cov chaw nres nkoj ntawm USB. Lub hauv paus ntsiab lus ntawm Huawei Supercharge them yog zoo ib yam. Tsis txhob tshee kub heev los ntawm kev "siab ua kom siab tsis tshua muaj siab" hloov hauv lub fuselage.
Cov txiaj ntsim ntawm PD Pua Cov Ntawv Teev Tseg
Rau qhov zoo ntawm PD raws kev cai, tus sau ntawv tau txais kev piav qhia los ntawm Baidu: PD yog Power Delivery, tsom rau ob lossis ntau dua li, lossis txawm tias lub hwjchim xa mus raws li lub USB interface ntawm ntse daim phiaj. Lub hwj chim kis tau yog ob qho tib si, txawm tias nws tau sib koom tes thiab muaj peev xwm ua tau ib qho kev siv hluav taws xob zoo. QC yog Kev Them Nqi Ceev Tsuas yog them nyiaj rau qhov teeb meem ceev ceev. Lub hwj chim kis tau yog unidirectional, tsis muaj lub peev xwm ntawm kev sib tham, thiab tsis txhawb lwm lub zog xws li fais fab mov.
USB PD3.0: Npog ob qhov siab, siab tsawg, tsis tshua muaj zog thiab siab tam sim no
Lub USBPD3.0 specification muaj ib qho hluav taws xob tawm ntau ntawm 3.0V mus rau 21V thiab ib theem siab-thiab-kauj ruam ntawm 20mV.
Qhov no suav nrog qhov tsawg voltage / high voltage ob qhov chaw, thiab tam sim no PD raws tu qauv cov ntaub ntawv tam sim no zoo li (1.5A, 2A, 3A thiab 5A), qhov no USBPD3.0 yuav muaj peev xwm ua tau siab siab / tsawg tam sim no, tsawg voltage / Tam sim no ob lub vas thiv them nyiaj ntxiv, ntxiv rau qhov muaj zog ntawm kev ua haujlwm yog 20mV, tag nrho lub tswv yim ua ke muaj kev kub siab thiab tsis tshua muaj tam sim no zoo li Qualcomm QC them ceev (kuj lav ua kom them zoo zog los ntawm kauj ruam amplitude modulation voltage) thiab low voltage thiab high current VOOC flash charging Kind ntawm qhov kev zov me nyuam.
Nyob rau hauv luv luv, USBPD3.0 absorbs tus essence ntawm tus nqi tam sim no ceev, re-integrates rau hauv ib qho loj thiab tag nrho; tus nqi them sai sai, thiaj li ua kom tau ceev ceev ntawm cov xov tooj ntawm tes, txhua tus xov tooj txawb uas txhawb nqa ceev ceev tuaj yeem kis tau tus txheej txheem PPS Cov tshuab hluav taws xob lub tshuab ua kom them sai sai. Rov qab mus rau lub sijhawm ntawd thaum tag nrho cov xov tooj tsis ntshai. Tam sim no, USBPPS tau pom ib txoj kev pom zoo nrog Tel Lab ntawm Ministry of Industry thiab Information Technology ntawm Tuam Tshoj. Tib lub sij hawm, Google qhia txog qhov tseeb Android7.0 OEM specification: kev siv nyiaj ceev nyiaj ceev nyiaj yuav tsum pab txhawb USBPD.
Sib txawv ntawm PD2.0 thiab PD3.0
Kev hloov ntawm PD3.0 relative to PD2.0 mas peb yam:
Ua ntej , kev piav qhia ntxiv ntawm cov roj teeb uas muaj built-in ntawm cov cuab yeej tau raug ntxiv lawm.
Thib ob , kev ua haujlwm ntawm software thiab hardware version cim thiab software hloov tshiab los ntawm PD kev sib txuas lus yog ntxiv.
Thib peb , cov ntawv pov thawj ntawm digital thiab cov kos npe muaj kos npe.
Thawj qhov pauv tuaj yeem ua ob sab ntawm kev sib txuas ntau dua ntawm txhua tus neeg lub zog txaus, li no tswj cov tswv yim fais fab ntawm ob tog. Nws tseem ceeb heev los tsim kom muaj qhov qis-voltage ntse fais fab siv network siv USBPD raws tu qauv. Lub hwj chim saum toj kawg nkaus tuaj yeem sib koom tes ua ntau lub hwj chim. Piv txwv, lub hwj chim thaum muaj xwm ceev thiab kev siv lub hwj chim pov tseg thaum lub hwjchim tawm ntawm lub hwjchim, lub hwjchim ntawm lub phiaj xwm hluav taws xob thiab lub tsev hnub ci kev tsim hluav taws xob, thiab rov qab fais fab zoo rau lub hwjchim daim phiaj. Yuav ua kom muaj hwj huam ntau.
Qhov thib ob software upgrade function yuav ua rau cov compatibility ntawm cov cuab yeej zoo dua qub. Txhua HOM-C manufacturers tau tso tawm lawv cov lus cog version tshiab rau hauv Internet, yog li ntawd lawv tuaj yeem siv PC thiab txawb tes, thiab lwm yam. Lub hnab looj muag raug hloov tshiab raws sijhawm. Xwb li Microsoft lub win10 system yuav daws teeb meem tsav tsheb hauv online ntawm lub sijhawm tiag tiag. Kev ruaj ntseg ntawm lub USBPD ntaus ntawv kuj tseem yog ib feem ntawm cov cuab yeej cuab tam cov cuab yeej cuab tam.
Qhov thib peb taw tes ntawm cov ntawv pov thawj digital yog kwv yees li qhov tseem ceeb tshaj plaws ntawm qhov kev hloov kho tshiab no. Nws yog ua tau rau tag nrho cov khoom HOM-C kom tau ib daim ntawv pov thawj digital los ntawm lub koom haum USB-YOG uas siv ib qho tseem ceeb hauv kev xav kom tsis txhob muaj kev cuam tshuam. Cov khoom pov thawj tsis pub tuaj yeem raug txais los ntawm lwm cov tuam txhab "HOM-C khoom. Qhov no feature muaj lub ntsiab lus zoo heev kom tsis txhob muaj kev tsis zoo HOM QIS-C interface, uas tuaj yeem ua rau kom tsis zoo li qub vim cov teeb meem zoo. Nyob rau hauv cov ntaub ntawv kev ruaj ntseg enterprise ntaub ntawv, daim ntawv pov thawj kev ruaj ntseg kuj tau muab los ntawm lub tuam txhab nws tus kheej, yog li ntawd cov khoom siv tsis raug Enterprise USB tuaj yeem tsis tuaj yeem nkag, uas yog kev ruaj ntseg ntau dua qhov uas twb muaj lawm USB encryption technology, vim ua ntej kev ruaj ntseg ntawv tiav cov kab CC, Lub nruab nrab ntawm lub cev yog kev tawm ntawm lub cev.
Thaum kawg, PD2.0 yog ib pawg ntawm PD3.0 los ntawm qhov kev pom zoo, uas yog, PD3.0 no lawm tshaj pd2.0. Secondly, los ntawm qhov ntsuas phom, PD3.0 yog siab tshaj qhov txuas txheej thiab lub cev txheej ntawm PD2.0. Uas yog hais tias, thaum twg cov khoom yog upgraded, tsis muaj kev hloov kho vajtse, thiab tsuas yog yuav tsum tau txhim kho software hauv online. Yog li ntawd, ob qho tib si los ntawm kev xav ntawm kev pom zoo ntawm nws tus kheej thiab los ntawm kev xav ntawm lub lag luam tawm tswv yim, nws yog ib qho ua tau los mus nthuav tawm USBPD2.0 cov khoom. Thaum tsim nyog, hloov qhov firmware kom sib npaug nrog PD3.0.
Dab tsi yuav raug coj raws li qhov koob npe ntawm USB PD3.0?
Yog tsis muaj kev ntseeg hais tias qhov chaw ntawm USBPD3.0 yog qhov zoo tshaj plaws rau cov neeg siv. Niaj hnub, txhua yam ntawm kev them nyiaj ceev ceev yog tsim los ntawm tuam ntxhab lawv tus kheej. Tej yam kev mob ceev ceev yog hnyav, thiab xov tooj ntawm tes, chargers thiab cov ntaub ntawv cables nyob hauv ib-rau-ib tsab ntawv. Nruab siab ntawm USBPD3.0 yuav tshem tau cov teeb meem no, txhua hom xov tooj ntawm cov xov tooj ntawm tes, ntau hom kev them tus nqi them ceev thiab cov ntawv xov xwm yuav tsum yog universal, tsis tas yuav tsum tau nrhiav kom tau them tag nrho thiab cov ntaub ntawv xov tooj.