{"id":2151,"date":"2026-08-10T17:04:43","date_gmt":"2026-08-10T14:04:43","guid":{"rendered":"https:\/\/czech.canyon.eu\/blog\/?p=2151"},"modified":"2026-08-10T17:04:46","modified_gmt":"2026-08-10T14:04:46","slug":"power-delivery-pd-vs-quick-charge-qc","status":"publish","type":"post","link":"https:\/\/czech.canyon.eu\/blog\/power-delivery-pd-vs-quick-charge-qc\/","title":{"rendered":"Power Delivery (PD) vs. Quick Charge (QC)"},"content":{"rendered":"\n

Hled\u00e1te nab\u00edje\u010dku, kter\u00e1 skute\u010dn\u011b dr\u017e\u00ed krok s va\u0161imi za\u0159\u00edzen\u00edmi? Pod\u00edvejte se zde na s\u00ed\u0165ov\u00e9 nab\u00edje\u010dky Canyon s podporou PD a QC 3.0<\/a>.<\/p>\n\n\n\n

Rychl\u00e9 nab\u00edjen\u00ed existuje ve dvou konkuren\u010dn\u00edch standardech. QC a PD nejsou zam\u011bniteln\u00e9. Jeden pat\u0159\u00ed jedin\u00e9mu v\u00fdrobci \u010dip\u016f. Druh\u00fd pat\u0159\u00ed cel\u00e9mu odv\u011btv\u00ed. Pr\u00e1v\u011b tento rozd\u00edl rozhoduje o tom, kter\u00e1 nab\u00edje\u010dka skute\u010dn\u011b zrychl\u00ed nab\u00edjen\u00ed konkr\u00e9tn\u00edho za\u0159\u00edzen\u00ed. Koup\u00edte nespr\u00e1vnou a \u201erychl\u00e1 nab\u00edje\u010dka\u201c bude nab\u00edjet b\u011b\u017enou rychlost\u00ed. Koup\u00edte spr\u00e1vnou a notebook m\u016f\u017eete dob\u00edt za m\u00e9n\u011b ne\u017e hodinu.\u00a0<\/p>\n\n\n\n

Jak funguje rychl\u00e9 nab\u00edjen\u00ed (stru\u010dn\u00fd \u00favod)<\/strong>\u00a0<\/h2>\n\n\n\n

B\u011b\u017en\u00fd USB port poskytuje pevn\u011b dan\u00fdch 5 volt\u016f p\u0159i n\u00edzk\u00e9m proudu. Proto m\u016f\u017ee star\u0161\u00ed nab\u00edje\u010dka pot\u0159ebovat a\u017e t\u0159i hodiny k nabit\u00ed baterie modern\u00edho telefonu.\u00a0<\/p>\n\n\n\n

Rychl\u00e9 nab\u00edjen\u00ed nahrazuje tento pevn\u00fd sign\u00e1l komunikac\u00ed. Nab\u00edje\u010dka a za\u0159\u00edzen\u00ed si vym\u011b\u0148uj\u00ed informace je\u0161t\u011b p\u0159edt\u00edm, ne\u017e za\u010dne proudit skute\u010dn\u00fd v\u00fdkon. Za\u0159\u00edzen\u00ed sd\u011bl\u00ed, jak\u00e9 nap\u011bt\u00ed a proud dok\u00e1\u017ee bezpe\u010dn\u011b p\u0159ij\u00edmat. Nab\u00edje\u010dka odpov\u00ed, co dok\u00e1\u017ee dodat. Ob\u011b strany se dohodnou na vhodn\u00e9m nastaven\u00ed a teprve potom za\u010dne p\u0159enos pln\u00e9ho v\u00fdkonu.\u00a0<\/p>\n\n\n\n

Tuto komunikaci zaji\u0161\u0165uj\u00ed dva standardy: Quick Charge od spole\u010dnosti Qualcomm a Power Delivery od USB Implementers Forum. Oba existuj\u00ed proto, aby \u0159e\u0161ily stejn\u00fd probl\u00e9m: p\u0159\u00edli\u0161 mnoho telefon\u016f, p\u0159\u00edli\u0161 m\u00e1lo trp\u011blivosti a p\u0159\u00edli\u0161 m\u00e1lo standardn\u00edch nab\u00edje\u010dek dostate\u010dn\u011b rychl\u00fdch, aby dr\u017eely krok.\u00a0<\/p>\n\n\n\n

Kapacita bateri\u00ed b\u011bhem posledn\u00edho desetilet\u00ed neust\u00e1le rostla, ale nikdo nechce \u010dekat d\u00e9le, aby mohl vyu\u017e\u00edvat v\u011bt\u0161\u00ed baterii. Nab\u00edje\u010dky musely b\u00fdt chyt\u0159ej\u0161\u00ed, nejen v\u00fdkonn\u011bj\u0161\u00ed, aby tento rozd\u00edl vyrovnaly. Pr\u00e1v\u011b tento tlak vedl Qualcomm i USB-IF k tomu, aby do procesu nab\u00edjen\u00ed zabudovaly krok vyjedn\u00e1v\u00e1n\u00ed parametr\u016f.\u00a0<\/p>\n\n\n\n

V\u00fdrobci neusiluj\u00ed pouze o rychlost, ale tak\u00e9 o efektivitu. Modern\u00ed nab\u00edje\u010dky s technologi\u00ed GaN (nitrid galia) podporuj\u00ed oba protokoly a z\u00e1rove\u0148 z\u016fst\u00e1vaj\u00ed chladn\u00e9 a kompaktn\u00ed. Proto se tolik sou\u010dasn\u00fdch s\u00ed\u0165ov\u00fdch adapt\u00e9r\u016f, v\u010detn\u011b model\u016f Canyon, zmen\u0161ilo na velikost krabi\u010dky od sirek, zat\u00edmco poskytuj\u00ed vy\u0161\u0161\u00ed v\u00fdkon ne\u017e adapt\u00e9ry dvakr\u00e1t v\u011bt\u0161\u00ed je\u0161t\u011b p\u0159ed n\u011bkolika lety.\u00a0<\/p>\n\n\n\n

\"Jak<\/figure>\n\n\n\n

Co je Qualcomm Quick Charge (QC)?<\/strong>\u00a0<\/h2>\n\n\n\n

Co tedy znamen\u00e1 QC? Jednodu\u0161e Quick Charge. Jde o propriet\u00e1rn\u00ed protokol rychl\u00e9ho nab\u00edjen\u00ed spole\u010dnosti Qualcomm, kter\u00fd je sou\u010d\u00e1st\u00ed \u010dipset\u016f Snapdragon od roku 2013.\u00a0<\/p>\n\n\n\n

QC urychluje nab\u00edjen\u00ed zvy\u0161ov\u00e1n\u00edm nap\u011bt\u00ed v definovan\u00fdch kroc\u00edch, obvykle mezi 3,6 V a 20 V, zat\u00edmco proud z\u016fst\u00e1v\u00e1 t\u00e9m\u011b\u0159 konstantn\u00ed. \u010cipset telefonu sd\u011bl\u00ed nab\u00edje\u010dce p\u0159esn\u011b, kter\u00fd krok m\u00e1 pou\u017e\u00edt, a nab\u00edje\u010dka se p\u0159izp\u016fsob\u00ed b\u011bhem milisekund.\u00a0<\/p>\n\n\n\n

Standard pro\u0161el n\u011bkolika generacemi, p\u0159i\u010dem\u017e ka\u017ed\u00e1 byla p\u0159esn\u011bj\u0161\u00ed a bezpe\u010dn\u011bj\u0161\u00ed ne\u017e ta p\u0159edchoz\u00ed. QC 2.0 p\u0159edstavilo v\u00edce \u00farovn\u00ed nap\u011bt\u00ed. QC 3.0 tyto \u00farovn\u011b zjemnilo na kroky po 200 mV, \u010d\u00edm\u017e z\u00e1rove\u0148 sn\u00ed\u017eilo zah\u0159\u00edv\u00e1n\u00ed a energetick\u00e9 ztr\u00e1ty. QC 4 a QC 4+ p\u0159idaly bezpe\u010dnostn\u00ed kontroly USB-C, du\u00e1ln\u00ed nab\u00edjec\u00ed obvody a \u010d\u00e1ste\u010dnou kompatibilitu s USB PD. QC 5, sou\u010dasn\u00e1 vlajkov\u00e1 verze, p\u0159ekra\u010duje 100 W a za laboratorn\u00edch podm\u00ednek dok\u00e1\u017ee dob\u00edt baterii na 50 % p\u0159ibli\u017en\u011b za p\u011bt minut.\u00a0<\/p>\n\n\n\n

QC se objevuje t\u00e9m\u011b\u0159 v\u00fdhradn\u011b v telefonech s Androidem a powerbank\u00e1ch zalo\u017een\u00fdch na hardwaru Qualcomm. Nab\u00edje\u010dka bez podpory QC se na t\u011bchto za\u0159\u00edzen\u00edch jednodu\u0161e vr\u00e1t\u00ed ke standardn\u00edmu pomalej\u0161\u00edmu nab\u00edjen\u00ed, i kdy\u017e kabel i konektor vypadaj\u00ed naprosto stejn\u011b.\u00a0<\/p>\n\n\n\n

Jedna zvl\u00e1\u0161tnost stoj\u00ed za zm\u00ednku: prvn\u00ed generace QC fungovaly p\u0159es star\u0161\u00ed konektor USB-A, nejen p\u0159es USB-C. Proto n\u011bkter\u00e9 cenov\u011b dostupn\u00e9 powerbanky st\u00e1le uv\u00e1d\u011bj\u00ed \u201eQC 3.0\u201c na portu USB-A. Nov\u011bj\u0161\u00ed hardware QC 4+ a QC 5 ji\u017e ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f p\u0159e\u0161el na USB-C spole\u010dn\u011b s PD.\u00a0<\/p>\n\n\n\n

Z\u00e1kladem toho v\u0161eho je bezpe\u010dnost. Qualcomm naz\u00fdv\u00e1 sv\u016fj syst\u00e9m teplotn\u00edho vyva\u017eov\u00e1n\u00ed INOV (Intelligent Negotiation for Optimum Voltage); neust\u00e1le kontroluje odpor kabelu a teplotu a okam\u017eit\u011b sn\u00ed\u017e\u00ed nap\u011bt\u00ed ve chv\u00edli, kdy n\u011bkter\u00e1 z t\u011bchto hodnot p\u0159\u00edli\u0161 vzroste. Pr\u00e1v\u011b tento mechanismus umo\u017e\u0148uje, aby telefon nab\u00edjen\u00fd pomoc\u00ed QC pracoval p\u0159i v\u00fdkonu 30 W, ani\u017e by se jeho t\u011blo zah\u0159\u00edvalo na dotek.\u00a0<\/p>\n\n\n\n

\"Co<\/figure>\n\n\n\n

Co je USB Power Delivery (PD)?<\/strong>\u00a0<\/h2>\n\n\n\n

PD poch\u00e1z\u00ed z \u00fapln\u011b jin\u00e9ho sv\u011bta. USB Implementers Forum jej navrhlo jako otev\u0159en\u00fd standard nez\u00e1visl\u00fd na hardwaru, nikoli jako funkci jedn\u00e9 spole\u010dnosti p\u0159idanou ke konkr\u00e9tn\u00edmu \u010dipu.\u00a0<\/p>\n\n\n\n

Vyjedn\u00e1v\u00e1n\u00ed rychl\u00e9ho nab\u00edjen\u00ed PD prob\u00edh\u00e1 prost\u0159ednictv\u00edm kabelu USB-C za m\u00e9n\u011b ne\u017e jednu sekundu. Nab\u00edje\u010dka a za\u0159\u00edzen\u00ed si vym\u011bn\u00ed seznam podporovan\u00fdch v\u00fdkonov\u00fdch profil\u016f a n\u00e1sledn\u011b zvol\u00ed ten nejvy\u0161\u0161\u00ed, kter\u00fd podporuj\u00ed ob\u011b strany. K \u00fa\u010dasti nen\u00ed pot\u0159eba \u017e\u00e1dn\u00fd \u010dip Qualcomm.\u00a0<\/p>\n\n\n\n

Pokud v\u00e1s zaj\u00edm\u00e1, co znamen\u00e1 PD fast charge jednodu\u0161e \u0159e\u010deno, p\u0159edstavte si jej sp\u00ed\u0161e jako spole\u010dn\u00fd jazyk ne\u017e funkci konkr\u00e9tn\u00ed zna\u010dky. Jak\u00e1koli PD nab\u00edje\u010dka m\u016f\u017ee komunikovat s jak\u00fdmkoli PD za\u0159\u00edzen\u00edm: telefonem, notebookem, tabletem nebo monitorem bez ohledu na to, kdo vyrobil kterou stranu p\u0159ipojen\u00ed.\u00a0<\/p>\n\n\n\n

PD 3.0 p\u0159ineslo Programmable Power Supply (PPS), kter\u00e9 upravuje nap\u011bt\u00ed v mal\u00fdch kroc\u00edch nam\u00edsto pevn\u00fdch skok\u016f, co\u017e znamen\u00e1 m\u00e9n\u011b tepla a lep\u0161\u00ed dlouhodob\u00fd stav baterie. PD 3.1 \u0161lo je\u0161t\u011b d\u00e1l d\u00edky Extended Power Range (EPR), kter\u00e9 zp\u0159\u00edstupnilo a\u017e 240 W pro hern\u00ed notebooky a pracovn\u00ed stanice, kter\u00e9 d\u0159\u00edve vy\u017eadovaly objemn\u00fd samostatn\u00fd nap\u00e1jec\u00ed adapt\u00e9r.\u00a0<\/p>\n\n\n\n

iPhony, iPady i MacBooky vyu\u017e\u00edvaj\u00ed PD a pou\u017e\u00edvaj\u00ed jej od chv\u00edle, kdy se USB-C dostalo do produktov\u00e9 \u0159ady iPhone. Stejn\u011b tak v\u011bt\u0161ina sou\u010dasn\u00fdch vlajkov\u00fdch telefon\u016f s Androidem a prakticky ka\u017ed\u00fd notebook s USB-C prod\u00e1van\u00fd dnes, od ultrabook\u016f a\u017e po hern\u00ed sestavy.\u00a0<\/p>\n\n\n\n

PD 3.1 tak\u00e9 p\u0159edstavilo Adjustable Voltage Supply (AVS), variantu PPS zam\u011b\u0159enou na notebooky. AVS umo\u017e\u0148uje nab\u00edje\u010dce plynule proch\u00e1zet vy\u0161\u0161\u00edm rozsahem nap\u011bt\u00ed EPR v kroc\u00edch po 100 mV nam\u00edsto p\u0159eskakov\u00e1n\u00ed mezi pevn\u011b nastaven\u00fdmi \u00farovn\u011bmi, co\u017e je nejd\u016fle\u017eit\u011bj\u0161\u00ed u hern\u00edch notebook\u016f, kter\u00e9 b\u011bhem n\u011bkolika sekund p\u0159ech\u00e1zej\u00ed od b\u011b\u017en\u00e9ho prohl\u00ed\u017een\u00ed webu k maxim\u00e1ln\u00edmu zat\u00ed\u017een\u00ed grafick\u00e9ho procesoru.\u00a0<\/p>\n\n\n\n

Jakmile pochop\u00edte v\u00fdznam nab\u00edjen\u00ed PD ukryt\u00fd za t\u011bmito t\u0159emi p\u00edsmeny, zbytek tohoto srovn\u00e1n\u00ed bude mnohem jednodu\u0161\u0161\u00ed: PD je univerz\u00e1ln\u00ed jazyk a QC je specifick\u00fd dialekt spole\u010dnosti Qualcomm, kter\u00fd nav\u00edc \u010d\u00e1ste\u010dn\u011b rozum\u00ed i PD.\u00a0<\/p>\n\n\n\n

\"Co<\/figure>\n\n\n\n

PD vs. QC: Kl\u00ed\u010dov\u00e9 rozd\u00edly<\/strong>\u00a0<\/h2>\n\n\n\n

P\u0159i srovn\u00e1n\u00ed PD nab\u00edje\u010dky a Quick Charge nen\u00ed skute\u010dnou ot\u00e1zkou, kter\u00e1 technologie je nov\u011bj\u0161\u00ed. Jde o to, kter\u00e1 z nich odpov\u00edd\u00e1 hardwaru, kter\u00fd m\u00e1te na sv\u00e9m stole.\u00a0<\/p>\n\n\n\n

Funkce<\/strong> <\/th>Quick Charge (QC)<\/strong> <\/th>Power Delivery (PD)<\/strong> <\/th><\/tr><\/thead>
Vlastn\u00edk<\/strong> <\/td>Qualcomm (propriet\u00e1rn\u00ed) <\/td>USB-IF (otev\u0159en\u00fd pr\u016fmyslov\u00fd standard) <\/td><\/tr>
Konektor<\/strong> <\/td>USB-A nebo USB-C <\/td>Pouze USB-C <\/td><\/tr>
Maxim\u00e1ln\u00ed v\u00fdkon<\/strong> <\/td>100 W+ s QC 5 <\/td>A\u017e 240 W s PD 3.1 EPR <\/td><\/tr>
Nejvhodn\u011bj\u0161\u00ed pro<\/strong> <\/td>Telefony s Androidem a \u010dipy Snapdragon <\/td>Telefony, tablety, notebooky, monitory <\/td><\/tr>
Vyjedn\u00e1v\u00e1n\u00ed parametr\u016f<\/strong> <\/td>Pevn\u011b definovan\u00e9 kroky nap\u011bt\u00ed <\/td>Pln\u00e9 vyjedn\u00e1v\u00e1n\u00ed nap\u011bt\u00ed a proudu (PPS, AVS) <\/td><\/tr>
Vz\u00e1jemn\u00e1 kompatibilita<\/strong> <\/td>Od QC 4 komunikuje s USB PD PPS <\/td>Univerz\u00e1ln\u00ed, nez\u00e1visl\u00e9 na \u010dipsetu\u00a0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Vlastnictv\u00ed technologie ur\u010duje v\u0161e ostatn\u00ed. QC pat\u0159\u00ed spole\u010dnosti Qualcomm a je dostupn\u00e9 pouze v za\u0159\u00edzen\u00edch, kter\u00e1 vyu\u017e\u00edvaj\u00ed licencovan\u00e9 rychlonab\u00edjec\u00ed technologie Qualcommu. PD nepat\u0159\u00ed \u017e\u00e1dn\u00e9 konkr\u00e9tn\u00ed spole\u010dnosti; ka\u017ed\u00fd v\u00fdrobce jej m\u016f\u017ee implementovat do jak\u00e9hokoli produktu s USB-C, co\u017e je p\u0159esn\u011b d\u016fvod, pro\u010d se roz\u0161\u00ed\u0159ilo mnohem d\u00e1l a mnohem rychleji.\u00a0<\/p>\n\n\n\n

Podobn\u00fd p\u0159\u00edb\u011bh vypr\u00e1v\u011bj\u00ed i v\u00fdkonov\u00e9 limity. QC kon\u010d\u00ed p\u0159ibli\u017en\u011b na hranici 100 W nebo o n\u011bco v\u00fd\u0161e s QC 5. PD se s podporou EPR a spr\u00e1vn\u00fdm kabelem dost\u00e1v\u00e1 a\u017e na 240 W, tak\u017ee bez probl\u00e9m\u016f pokr\u00fdv\u00e1 notebooky, pro kter\u00e9 QC nikdy nebylo navr\u017eeno.\u00a0<\/p>\n\n\n\n

Debata QC vs. PD je ve skute\u010dnosti ot\u00e1zkou rozsahu pou\u017eit\u00ed, nikoli maxim\u00e1ln\u00ed rychlosti v ni\u017e\u0161\u00edch v\u00fdkonnostn\u00edch kategori\u00edch. QC p\u0159in\u00e1\u0161\u00ed dodate\u010dn\u00fd v\u00fdkon p\u0159edev\u0161\u00edm telefon\u016fm Qualcomm. PD pokr\u00fdv\u00e1 v\u0161e od dvojice bezdr\u00e1tov\u00fdch sluch\u00e1tek a\u017e po 16palcov\u00fd hern\u00ed notebook v r\u00e1mci jednoho spole\u010dn\u00e9ho protokolu.\u00a0<\/p>\n\n\n\n

V\u011bt\u0161ina sou\u010dasn\u00fdch nab\u00edje\u010dek, v\u010detn\u011b n\u011bkolika model\u016f Canyon, podporuje oba standardy v jednom za\u0159\u00edzen\u00ed. Takov\u00fd adapt\u00e9r dok\u00e1\u017ee nab\u00edjet telefon se Snapdragonem plnou rychlost\u00ed QC a iPhone nebo notebook plnou rychlost\u00ed PD ze stejn\u00fdch port\u016f, bez nutnosti m\u011bnit nab\u00edje\u010dky.\u00a0<\/p>\n\n\n\n

\"PD<\/figure>\n\n\n\n

Jak vybrat spr\u00e1vnou nab\u00edje\u010dku<\/strong>\u00a0<\/h2>\n\n\n\n

Vyberte nab\u00edje\u010dku podle za\u0159\u00edzen\u00ed, kter\u00e9 vlastn\u00edte, ne podle nejvy\u0161\u0161\u00edho \u010d\u00edsla uveden\u00e9ho na obalu.<\/p>\n\n\n\n

U smartphon\u016f s Androidem si nejprve ov\u011b\u0159te, zda je za\u0159\u00edzen\u00ed zalo\u017eeno na \u010dipsetu Qualcomm; model Snapdragon b\u00fdv\u00e1 uveden v nastaven\u00ed telefonu nebo ve specifikac\u00edch. Nab\u00edje\u010dka QC 3.0 nebo nov\u011bj\u0161\u00ed, p\u0159\u00edpadn\u011b model podporuj\u00edc\u00ed tak\u00e9 PD s PPS, pokryje v\u011bt\u0161inu telefon\u016f Snapdragon uveden\u00fdch na trh b\u011bhem posledn\u00edch p\u011bti let.\u00a0<\/p>\n\n\n\n

\"Jak<\/figure>\n\n\n\n

U za\u0159\u00edzen\u00ed Apple m\u016f\u017eete QC zcela vynechat, proto\u017ee iPhony a iPady komunikuj\u00ed pouze p\u0159es PD. Hledejte certifikovanou PD nab\u00edje\u010dku s v\u00fdkonem 20 W nebo vy\u0161\u0161\u00edm pro telefon; modely iPad Pro se nab\u00edjej\u00ed nejrychleji p\u0159i v\u00fdkonu nad 30 W a star\u0161\u00edm iPad\u016fm posta\u010d\u00ed ni\u017e\u0161\u00ed hodnota.\u00a0<\/p>\n\n\n\n

U notebook\u016f a tablet\u016f si p\u0159ed n\u00e1kupem ov\u011b\u0159te po\u017eadovan\u00fd vstupn\u00ed v\u00fdkon za\u0159\u00edzen\u00ed. PD nab\u00edje\u010dka s v\u00fdkonem 65 W bez probl\u00e9m\u016f posta\u010d\u00ed v\u011bt\u0161in\u011b ultrabook\u016f. Hern\u00ed notebooky s po\u017eadavkem nad 140 W pot\u0159ebuj\u00ed nab\u00edje\u010dku PD 3.1 EPR spolu se spr\u00e1vn\u011b dimenzovan\u00fdm 240W kabelem, jinak se mohou p\u0159i vysok\u00e9 z\u00e1t\u011b\u017ei nab\u00edjet pomaleji, ne\u017e se vyb\u00edjej\u00ed.\u00a0<\/p>\n\n\n\n

\"Jak<\/figure>\n\n\n\n

Pro dom\u00e1cnost s r\u016fzn\u00fdmi za\u0159\u00edzen\u00edmi p\u0159edstavuje dvouprotokolov\u00e1 s\u00ed\u0165ov\u00e1 nab\u00edje\u010dka nejjednodu\u0161\u0161\u00ed \u0159e\u0161en\u00ed. Praktick\u00fdm p\u0159\u00edkladem jsou s\u00ed\u0165ov\u00e9 adapt\u00e9ry Canyon PD & QC 3.0: jeden port obslou\u017e\u00ed tablet se Snapdragonem, druh\u00fd iPhone, a nikdo si nemus\u00ed pamatovat, kter\u00e1 nab\u00edje\u010dka pat\u0159\u00ed ke kter\u00e9mu za\u0159\u00edzen\u00ed.\u00a0<\/p>\n\n\n\n

V\u00edce ne\u017e marketingov\u00e9 texty v\u00e1m pom\u016f\u017ee p\u0159e\u010d\u00edst si informace na obalu. Skute\u010dn\u00e1 PD nab\u00edje\u010dka nese ofici\u00e1ln\u00ed logo USB-C Power Delivery a \u00fadaj o v\u00fdkonu, nap\u0159\u00edklad \u201ePD 20W\u201c nebo \u201ePD 65W\u201c, vyti\u0161t\u011bn\u00fd u v\u00fdstupn\u00edho portu. Skute\u010dn\u00e1 QC nab\u00edje\u010dka obsahuje ozna\u010den\u00ed Quick Charge od Qualcommu spolu s \u010d\u00edslem verze, nap\u0159\u00edklad \u201eQC 4+\u201c nebo \u201eQC 5.0\u201c. Nab\u00edje\u010dky podporuj\u00edc\u00ed oba standardy obvykle uv\u00e1d\u011bj\u00ed ob\u011b ozna\u010den\u00ed vedle sebe, zpravidla p\u0159\u00edmo nad p\u0159\u00edslu\u0161n\u00fdm portem.\u00a0<\/p>\n\n\n\n

N\u011bkolik jednoduch\u00fdch n\u00e1vyk\u016f pom\u016f\u017ee prodlou\u017eit \u017eivotnost bez ohledu na pou\u017eit\u00fd standard. Pou\u017e\u00edvejte kabel dodan\u00fd s nab\u00edje\u010dkou nebo kabel se stejnou v\u00fdkonovou specifikac\u00ed; poddimenzovan\u00e9 kabely omezuj\u00ed rychlost bez ohledu na mo\u017enosti nab\u00edje\u010dky. B\u011bhem rychl\u00e9ho nab\u00edjen\u00ed nenech\u00e1vejte telefon s nab\u00edje\u010dkou pod dekou nebo pol\u0161t\u00e1\u0159em, proto\u017ee teplo je hlavn\u00edm zdrojem zat\u00ed\u017een\u00ed ka\u017ed\u00e9 lithium-iontov\u00e9 baterie, a\u0165 u\u017e pou\u017e\u00edv\u00e1te PD nebo QC. A nep\u0159edpokl\u00e1dejte, \u017ee vy\u0161\u0161\u00ed v\u00fdkon ve wattech v\u017edy znamen\u00e1 rychlej\u0161\u00ed nab\u00edjen\u00ed konkr\u00e9tn\u00edho telefonu; v\u011bt\u0161ina smartphon\u016f omezuje vlastn\u00ed p\u0159\u00edkon v\u00fdrazn\u011b pod \u00farove\u0148, kterou m\u016f\u017ee dodat nab\u00edje\u010dka ur\u010den\u00e1 pro notebook.\u00a0<\/p>\n\n\n\n

\"Jak<\/figure>\n\n\n\n

N\u011bkolik ot\u00e1zek se objevuje natolik \u010dasto, \u017ee stoj\u00ed za p\u0159\u00edmou odpov\u011b\u010f.<\/p>\n\n\n\n

M\u016f\u017ee PD nab\u00edje\u010dka nap\u00e1jet za\u0159\u00edzen\u00ed podporuj\u00edc\u00ed pouze QC? Ano, standardn\u00ed rychlost\u00ed USB, proto\u017ee PD nab\u00edje\u010dky st\u00e1le poskytuj\u00ed z\u00e1kladn\u00edch 5 V, kter\u00e9 o\u010dek\u00e1v\u00e1 ka\u017ed\u00e9 USB za\u0159\u00edzen\u00ed. Telefon v\u0161ak bez QC kompatibiln\u00ed nab\u00edje\u010dky na druh\u00e9m konci nedos\u00e1hne rychlost\u00ed QC.\u00a0<\/p>\n\n\n\n

M\u016f\u017ee QC nab\u00edje\u010dka po\u0161kodit telefon podporuj\u00edc\u00ed pouze PD, nap\u0159\u00edklad iPhone? Ne. Oba standardy zahajuj\u00ed ka\u017ed\u00e9 spojen\u00ed na stejn\u00e9m bezpe\u010dn\u00e9m v\u00fdchoz\u00edm nap\u011bt\u00ed a \u017e\u00e1dn\u00e9 za\u0159\u00edzen\u00ed nep\u0159ij\u00edm\u00e1 v\u00fdkon, o kter\u00fd v\u00fdslovn\u011b nepo\u017e\u00e1dalo. V nejhor\u0161\u00edm p\u0159\u00edpad\u011b bude nab\u00edjen\u00ed pokra\u010dovat pouze standardn\u00ed rychlost\u00ed.<\/p>\n\n\n\n

Znamen\u00e1 vy\u0161\u0161\u00ed po\u010det watt\u016f v\u017edy rychlej\u0161\u00ed nab\u00edjen\u00ed? Ne nutn\u011b. Telefon, kter\u00fd omezuje sv\u016fj p\u0159\u00edkon na 25 W, se nebude nab\u00edjet rychleji na 100W nab\u00edje\u010dce ne\u017e na dob\u0159e odpov\u00eddaj\u00edc\u00ed 30W nab\u00edje\u010dce; vy\u0161\u0161\u00ed rezerva v\u00fdkonu m\u00e1 v\u00fdznam pouze tehdy, pokud pl\u00e1nujete ze stejn\u00e9ho adapt\u00e9ru nab\u00edjet tak\u00e9 notebook.\u00a0<\/p>\n\n\n\n

Volba mezi PD a QC jen z\u0159\u00eddka znamen\u00e1, \u017ee se mus\u00edte n\u011b\u010deho vzd\u00e1t. Ov\u011b\u0159te si \u010dipset sv\u00e9ho hlavn\u00edho za\u0159\u00edzen\u00ed, zkontrolujte specifikace uveden\u00e9 na nab\u00edje\u010dce a zva\u017ete adapt\u00e9r podporuj\u00edc\u00ed oba protokoly, pokud ve va\u0161\u00ed dom\u00e1cnosti pou\u017e\u00edv\u00e1te iPhone spole\u010dn\u011b s jedn\u00edm nebo v\u00edce telefony Android. Tento jedin\u00fd zvyk jednou prov\u017edy vy\u0159e\u0161\u00ed ot\u00e1zku rychl\u00e9ho nab\u00edjen\u00ed.\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"Hled\u00e1te nab\u00edje\u010dku, kter\u00e1 skute\u010dn\u011b dr\u017e\u00ed krok s va\u0161imi za\u0159\u00edzen\u00edmi? Pod\u00edvejte se zde na s\u00ed\u0165ov\u00e9 nab\u00edje\u010dky Canyon s podporou PD a QC 3.0. Rychl\u00e9 nab\u00edjen\u00ed existuje ve dvou konkuren\u010dn\u00edch standardech. QC…\n","protected":false},"author":6,"featured_media":2160,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[334,1],"tags":[],"class_list":["post-2151","post","type-post","status-publish","format-standard","has-post-thumbnail","category-napajeci-zarizeni","category-news"],"yoast_head":"\nPower Delivery (PD) vs. Quick Charge (QC): Jak\u00fd je rozd\u00edl a co je lep\u0161\u00ed?<\/title>\n<meta name=\"description\" content=\"Rychl\u00e9 nab\u00edjen\u00ed existuje ve dvou konkuren\u010dn\u00edch standardech. QC a PD nejsou zam\u011bniteln\u00e9. Jeden pat\u0159\u00ed jedin\u00e9mu v\u00fdrobci \u010dip\u016f. Druh\u00fd pat\u0159\u00ed cel\u00e9mu odv\u011btv\u00ed. Pr\u00e1v\u011b tento rozd\u00edl rozhoduje o tom, kter\u00e1 nab\u00edje\u010dka skute\u010dn\u011b zrychl\u00ed nab\u00edjen\u00ed konkr\u00e9tn\u00edho za\u0159\u00edzen\u00ed. 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