Mnogi pametni telefoni nude podršku za tehnologije brzog punjenja. Njihovom upotrebom naši se pametni telefoni mogu puniti puno brže nego stariji pametni telefoni. To može biti samo dobro s obzirom na to koliko su moderni procesori postali brzi i koliko energije treba našim pametnim telefonima. Nažalost, postoji mnogo različitih standarda brzog punjenja koje koriste proizvođači hardvera i, dok su neki kompatibilni s drugima, drugi nisu. Ako želite saznati više o standardima brzog punjenja i po čemu se razlikuju jedni od drugih, pročitajte dalje:

Kako funkcionira brzo punjenje?

Brzo^(Fast) punjenje je značajka koju nudi većina pametnih telefona, bez obzira radi li se o premium modelima ili o pristupačnim. Očito, brzo punjenje je tehnologija koja pametnim telefonima omogućuje punjenje baterija brže nego inače, barem dok njihove baterije ne dosegnu određenu razinu napunjenosti. Kako to ipak funkcionira?

Odgovor je jednostavan i kompliciran: postoji više od jednog standarda brzog punjenja i svi se razlikuju od ostalih. Međutim, imaju i jednu zajedničku stvar: brzo punjenje šalje više električne struje u bateriju, što je čini bržim punjenjem^{(fast charging sends more electrical current to the battery, and that makes it charge quicker)} .

Moderni^(Modern) pametni telefoni i tableti obično imaju kabele za punjenje s USB Type-A konektorom na jednom kraju i razne vrste USB konektora na drugom kraju. iPhone uređaji koriste Appleov ^(Apple)Lightning konektor, dok Android pametni^(Android) telefoni koriste USB Type-C ili mini- USB konektore. Postoje čak i univerzalni kablovi sa sve tri vrste konektora, koji odgovaraju svim modernim pametnim telefonima i tabletima, kao na slici ispod.

Kraj kabela s USB Type-A konektorom priključen je na punjač ili neki drugi izvor punjenja. Neki kabeli koriste USB 2.0 portove, dok drugi koriste USB 3.1 portove. Međutim, uvijek postoji jasna veza između USB priključka na jednom kraju kabela i konektora na drugom kraju. Kabeli za punjenje s mini - USB priključcima koriste USB 2.0 priključak na kraju koji uključite u punjač, ​​kabeli s USB Type-C konektorima obično se spajaju u USB 3.1 priključke , dok Appleovi ^(Apple)Lightning kabeli koriste USB 2.0 priključak. Međutim, za iPad Proserije, počevši od 2015. godine, Apple koristi USB 3.0 i 3.1 portove, ovisno o generaciji uređaja.

Zajednička stvar između svih kablova za punjenje za pametne telefone i tablete je činjenica da se svi oslanjaju na USB (Universal Serial Bus) tehnologiju. Ovaj standard kaže da USB 2.0 portovi moraju isporučiti 0,5 Ampera^(Amperes) koristeći 5 V^(Volts) za 2,5 W. ^(Watts)USB 3.0 specifikacija isporučuje 0,5 ili 0,9 ampera^(Amperes) struje pri 5 volti^(Volts) i maksimalnu snagu od 4,5 vata^(Watts) . Specifikacija USB 3.1 podržava vrijednosti električne struje od 0,5, 0,9, 1,5, 3 ili 5 ampera^(Amperes) , koristeći napon između 5 i 20 volti^(Volts) , i može isporučiti maksimalnu snagu od 100Watts .

Volti^(Volts) mjere napon, amperi^(Amperes) mjere struju, a vati^(Watts) mjere električnu snagu. Volti^(Volts) pomnoženi s Amperima^(Amperes) jednaki su vatima^(Watts) . Ne postoji minimalna kombinacija volta^(Volts) , ampera^(Amperes) ili vata^(Watts) koja bi naznačila da imate brzo punjenje. Ne postoji zajednički čimbenik između njih jer proizvođač vašeg pametnog telefona može odlučiti povećati ili napon ili amperažu, ili čak oboje, kako bi postigao veću električnu snagu. Kao što možete vidjeti u gornjoj tablici, USB 2.0 i USB 3.0nude malu snagu punjenja i trebalo bi puno vremena da se baterija modernog pametnog telefona napuni samo uz zadane karakteristike USB tehnologije. Zbog toga mnogi pametni telefoni koriste kabele za punjenje koji imaju USB 3.1 priključak s USB Type-C konektorom, što im omogućuje korištenje viših napona i tehnologije bržeg punjenja.

Kao rezultat toga, brzo punjenje se pretvara u više energije koja se šalje u bateriju pametnog telefona ili tableta.

Koliko standarda brzog punjenja postoji?

Iako smo zahvalni što standardi brzog punjenja postoje, nažalost, njih je mnogo, a različiti proizvođači hardvera kreiraju i koriste različite verzije. Dok pišemo ovaj članak, postoji devet različitih standarda brzog punjenja koji se obično koriste, iako neki od njih nisu baš "originalni", jer se temelje na drugim koje su izradile različite tvrtke. Najvažniji standardi brzog punjenja su USB PD (USB Power Delivery), Qualcomm Quick Charge, Samsung Adaptive Fast Charging, Apple Fast Charging, Huawei SuperCharge, Motorola TurboPower, Oppo Vooc, OnePlus Dash Charge i MediaTek Pump Express . Za brzi pregled njihovih glavnih specifikacija, pročitajte donju tablicu:

Razgovarajmo sada malo detaljnije o najčešćim standardima brzog punjenja:

USB-PD ( isporuka napajanja univerzalne serijske sabirnice^{(Universal Serial Bus Power Delivery)} )

USB portovi se nalaze na većini modernih uređaja, a kada su u pitanju pametni telefoni, prisutni su na većini njih. Telefoni koriste USB ne samo za prijenos podataka već, što je najvažnije, za punjenje baterija. Kako su se baterije tijekom godina povećavale, rasla je i naša potreba da ih punimo brže. Tako je nastao standard USB Power Delivery , koji nudi:

• Povećana razina snage do 100 W
• Smjer napajanja više nije fiksiran, što znači da se punjenje može odvijati u oba smjera i možete, na primjer, koristiti svoj pametni telefon za punjenje drugog uređaja
• Brzo punjenje pri naponima između 5 i 20 volti i 0,5, 0,9, 1,5, 3 ili 5 ampera i može isporučiti maksimalnu snagu od 100 vata

USB-PD je standard za brzo punjenje koji možete pronaći i na pametnim telefonima kao i na drugim uređajima kao što su prijenosna računala, monitori, prijenosne jedinice za pohranu i drugi.

Ima značajnu prednost što je otvoreni standard punjenja koji svaki proizvođač može koristiti i implementirati u svoje uređaje. S druge strane, iako je besplatan i vrlo skalabilan, ima i značajan nedostatak što radi samo s USB Type-C konektorima.

Qualcomm Quick Charge

Qualcomm Quick Charge je najpopularniji standard brzog punjenja na svijetu i koristi se na preko 800 različitih uređaja, poput pametnih telefona i punjača. Razvio ga je Qualcomm i radi sa Snapdragon procesorima za mobilne uređaje. Međutim, ne podržavaju svi pametni telefoni koji imaju Snapdragon čipset i brzo punjenje. Ovo je izborna značajka koju svaki proizvođač može uključiti na svoje pametne telefone ili tablete. Do sada je Qualcomm izdao četiri različite verzije svog vlasničkog standarda Quick Charge , a sve su kompatibilne unatrag:

• Brzo punjenje 1.0^{(Quick Charge 1.0)} : 5 volti^(Volts) , maksimalno 2 ampera^(Amperes) i 10 vata^(Watts) . Sjećate li se da su volti^(Volts) pomnoženi s amperima^(Amperes) jednaki vatima^(Watts) ? Pa^(Well) , 5 volti^(Volts) puta 2 ampera^(Amperes) jednako je 10 vata^(Watts) .
• Quick Charge 2.0 : 5, 9 i 12 volti, maksimalno 3 ampera i 18 vata^(Watts) . Maksimalna električna snaga postiže se korištenjem ulaza od 9 volti i 2 ampera, što pomnoženo daje 18 vata^(Watts) .
• Brzo punjenje 3,0^{(Quick Charge 3.0)} : 3,6 do 20 volti u koracima od 200 mikrovolta, maksimalno između 2,5 i 4,6 ampera i 18 vata^(Watts) . Slično Quick Charge 2.0 , verzija 3.0 također vam daje maksimalnu električnu snagu kada koristite ulaz od 9 volti i 2 ampera, što je ukupno 18 vata^(Watts) .
• Quick Charge 4.0+ : isto što i Quick Charge 3.0 , ali također dodaje podršku za USB-PD način rada^{(USB-PD Mode)} ( USB Power Delivery Mode ), što je još jedan standard brzog punjenja. Specifikacije Quick Charge 4.0 kompatibilne s USB-PD načinom^{(USB-PD Mode)} su 5 ili 9 volti i maksimalno 3 ampera^(Amperes) i 27 vata^(Watts) .

Nekoliko primjera pametnih telefona koji nude podršku za Qualcomm Quick Charge 4.0 su LG G8 ThinQ i LG G7 ThinQ , Razer Phone 2 i Xiaomi Mi 9 .

Popis uređaja koji podržavaju Qualcomm Quick Charge 3.0 puno je duži. Među njima možete pronaći Nokia 9 , LG Q9 , Sony Xperia F7 i XZ (1 i 2), odnosno Xiaomi Mi Mix (1 i 2).

Nevjerojatno, neki novi pametni telefoni kao što su Samsung Galaxy S10+ i S10 podržavaju samo Qualcomm Quick Charge 2.0 .

Potpuni popis uređaja koji podržavaju Qualcomm Quick Charge , razvrstan po verziji, možete pronaći u ovoj PDF datoteci: Popis uređaja s tehnologijom Qualcomm Quick Charge^{(Qualcomm Quick Charge Technology Device List)} .

Samsung prilagodljivo brzo punjenje

Samsung Adaptive Fast Charging standard je brzog punjenja koji se temelji na Qualcomm Quick Charge 2.0 i koji je kompatibilan s punjačima koji podržavaju taj standard. Nalazi se na većini Samsungovih^(Samsung) pametnih telefona, uključujući vrhunske Samsung Galaxy S10 i S10 Plus .

Apple brzo punjenje

Apple je odlučio koristiti USB PD ( USB Power Delivery ) standard za Apple Fast Charge na svojim najnovijim iPhone uređajima, počevši od iPhonea 8 i iPhonea X. Međutim, niti jedan iPhone koji prodaje Apple ne uključuje punjače kompatibilne s USB PD-om. Drugim riječima, najnoviji modeli iPhonea podržavaju brzo punjenje, ali njihovi zadani punjači ne. To znači da vas Apple prisiljava da zasebno kupujete punjače i kabele kompatibilne s USB-PD-om^{(Apple forces you to buy USB-PD compatible chargers and cables separately)} ako želite brzo napuniti svoj iPhone.

Motorola TurboPower

Motorola TurboPower je standard brzog punjenja koji se nalazi na Motorola pametnim telefonima, a koji se temelji na Qualcomm Quick Charge 2.0 . To znači da bi trebao biti kompatibilan s punjačima koji podržavaju Qualcomm Quick Charge 2.0 . Najnovija verzija ovog standarda za brzo punjenje zove se Motorola TurboPower 30 i također je kompatibilna s USB-PD .

MediaTek Pump Express

MediaTek Pump Express je standard brzog punjenja koji je razvio MediaTek i može se naći na pametnim telefonima koji pokreću MediaTek procesore. Iako je MediaTek konkurent Qualcommu^(Qualcomm) , standard brzog punjenja MediaTek Pump Express kompatibilan je s Qualcomm Quick Charge , što je odlično.

OnePlus Dash Charge , OnePlus Warp Charge , Oppo VOOC i Oppo Super VOOC

OnePlus Dash Charge temelji se na Oppovoj^(Oppo) VOOC tehnologiji^(VOOC) brzog punjenja, a ova dva bi trebala biti kompatibilna jedno s drugim. Iako su ovo jedni od najbržih standarda punjenja na svijetu, oni imaju značajan nedostatak što nisu kompatibilni s drugim standardima.

Pametni telefoni koji koriste ove standarde punjenja mogu se brzo puniti samo s vlastitim punjačima jer zahtijevaju posebne sklopove ugrađene u punjače. Ne rade s punjačima trećih strana koje proizvode tvrtke koje nisu njihovi proizvođači.

Huawei SuperCharge i SuperCharge 2.0

Huawei SuperCharge i njegova verzija 2.0 standardi su brzog punjenja koji su vlasništvo tvrtke Huawei . Može isporučiti do 10 volti i 4 ampera i do maksimalno 40 vata^(Watts) električne energije. Standardi su kompatibilni i s Qualcomm Quick Chargeom^{(Qualcomm Quick Charge)} , a nalaze se na Android pametnim telefonima kao što su Huawei P20 Pro , Huawei Mate 20 Pro ili Honor View 20 .

Što se događa kada pametni telefon punite brzim punjačem druge tvrtke, s drugom tehnologijom punjenja?

Da, možete koristiti bilo koji punjač za punjenje bilo kojeg pametnog telefona, jer su svi punjači kompatibilni s ostalima. ^{(Yes, you can use any charger to charge any smartphone, because all chargers are compatible with the others.)}Međutim, u najgorem slučaju, vaš pametni telefon može se puniti sporo, koristeći najniži napon i amperažu kompatibilan i s vašim pametnim telefonom i vašim punjačem. Nemojte očekivati ​​da ćete moći brzo napuniti svoj pametni telefon pomoću brzog punjača druge tvrtke, s još jednom ugrađenom tehnologijom brzog punjenja. Neki standardi brzog punjenja kompatibilni su s drugima, a to znači da ćete možda moći dobiti brzo punjenje kada miješate punjače i uređaje s kompatibilnim standardima.^{(Some fast charging standards are compatible with others, and that means that you might be able to get fast charging when mixing chargers and devices with compatible standards.)}Međutim, postoji mnogo pokušaja i pogrešaka u tome i možda neće uvijek funkcionirati kako očekujete. Najveća brzina punjenja pametnog telefona obično se postiže korištenjem priloženog punjača i kabela za punjenje, osim kada koristite iPhone, za koji morate kupiti poseban brzi punjač.

Jeste^(Are) li zadovoljni brzim punjačem koji dolazi uz vaš pametni telefon?

Radije koristimo punjače koji su isporučeni uz naše pametne telefone i izbjegavamo korištenje drugih punjača osim onih koje službeno podržavaju naši pametni telefoni. Međutim, povremeno koristimo i posuđene punjače, čak i ako to znači da čekamo puno dulje za punjenje naših uređaja. Činite li i vi isto? Koji je vaš omiljeni standard brzog punjenja? Jeste^(Are) li zadovoljni punjačem koji dobivate uz svoj pametni telefon? Komentirajte^(Comment) u nastavku i razgovarajmo.

Fast charging standards: How many are there? How are they different?

Many smartphones offer support for fast charging technologies. By using them, our smartphones can charge a lot quiсker than older smartphones сould. That can only be a good thing conѕіdering how faѕt modern processors have become and how much energy our smаrtphones need. Unfortunatelу, there are a lot of different fast charging standards used by hardwаre manufacturers and, while some are сompatible with others, others are not. If you want to know morе about fast charging standards and how are they different from one another, read on:

How does fast charging work?

Fast charging is a feature that most smartphones offer, regardless of whether they are premium models or affordable ones. Obviously, fast charging is a technology that lets smartphones charge their batteries faster than normal, at least until their batteries reach a certain power charge level. How does it work though?

The answer is both simple and complicated: there are more than just one fast charging standards and all of them are different from the others. However, they also have one thing in common: fast charging sends more electrical current to the battery, and that makes it charge quicker.

Modern smartphones and tablets usually have charging cables with a USB Type-A connector at one end and various types of USB connectors at the other end. iPhones use Apple's Lightning connector, while Android smartphones use USB Type-C or mini-USB connectors. There are even universal cables with all three types of connectors, that fit to all modern smartphones and tablets, like in the picture below.

The end of the cable with the USB Type-A connector is plugged into the charger or some other charging source. Some cables use USB 2.0 ports, while others use USB 3.1 ports. However, there is always a clear connection between the USB port on one end of the cable and the connector on the other end. Charging cables with mini-USB connectors use a USB 2.0 port on the end that you plug into the charger, cables with USB Type-C connectors usually plug into USB 3.1 ports, while Apple's Lightning cables use a USB 2.0 port. However, for the iPad Pro series, starting in 2015, Apple uses USB 3.0 and 3.1 ports, depending on the generation of the device.

The common thing between all charging cables for smartphones and tablets is the fact that they all rely on the USB (Universal Serial Bus) technology. This standard says that USB 2.0 ports must deliver 0.5 Amperes using 5 Volts for 2.5 Watts. The USB 3.0 specification delivers 0.5 or 0.9 Amperes of current at 5 Volts and a maximum power of 4.5 Watts. The USB 3.1 specification supports electric current values of 0.5, 0.9, 1.5, 3, or 5 Amperes, using a voltage between 5 and 20 Volts, and can deliver a maximum power of 100 Watts.

Volts measure voltage, Amperes measure the current, and the Watts measure electrical power. Volts multiplied by Amperes equal Watts. There's no minimum combo of Volts, Amperes, or Watts to indicate that you have fast charging. There is no common factor between them because your smartphone's manufacturer could choose to boost either the voltage or the amperage, or even both, to achieve a higher electrical power. As you can see in the table above, USB 2.0 and USB 3.0 offer little charging power, and it would take a long time to charge the battery of a modern smartphone using just the default characteristics of the USB technology. This is why many smartphones use charging cables that have a USB 3.1 port with a USB Type-C connector, which allows them to use higher voltages and faster-charging technologies.

As a result, fast charging translates into more power sent to the battery of a smartphone or tablet.

How many fast charging standards are there?

Although we are thankful that fast charging standards exist, unfortunately, there are many of them, and various hardware manufacturers create and use different versions. As we write this article, there are nine different fast charging standards commonly used, although some of them are not exactly "original," as they are based on others made by different companies. The most important fast charging standards are USB PD (USB Power Delivery), Qualcomm Quick Charge, Samsung Adaptive Fast Charging, Apple Fast Charging, Huawei SuperCharge, Motorola TurboPower, Oppo Vooc, OnePlus Dash Charge, and MediaTek Pump Express. For a quick overview of their main specifications, read the table below:

Now let's talk a bit of detail about the most common fast charging standards out there:

USB-PD (Universal Serial Bus Power Delivery)

USB ports are found on most modern devices and, when it comes to smartphones, they are present on most of them. Phones use USB not only to transfer data but, most importantly, to charge their batteries. As batteries have increased in capacity over the years, so did our need to charge them faster. Thus came to existence the USB Power Delivery standard, which offers:

• Increased power levels of up to 100 Watts
• The power direction is no longer fixed, meaning that the charging can occur both ways and you can, for example, use your smartphone to charge another device
• Fast charging at voltages between 5 and 20 Volts, and 0.5, 0.9, 1.5, 3, or 5 Amperes, and can deliver a maximum power of 100 Watts

The USB-PD is a fast charging standard that you can find both on smartphones as well as on other devices such as laptops, monitors, portable storage units and others.

It has the significant advantage of being an open charging standard that any manufacturer can use and implement into its devices. On the other hand, although it is free and highly scalable, it also has the significant disadvantage that it only works with USB Type-C connectors.

Qualcomm Quick Charge

Qualcomm Quick Charge is the most popular fast charging standard in the world and it is used on over 800 different devices, like smartphones and chargers. It is developed by Qualcomm and works with Snapdragon processors for mobile devices. However, not all the smartphones that have a Snapdragon chipset also support fast charging. This is an optional feature that each manufacturer can choose to include on its smartphones or tablets. Up until now, Qualcomm has released four different versions of its proprietary Quick Charge standard, all of them being backward compatible:

• Quick Charge 1.0: 5 Volts, maximum of 2 Amperes, and 10 Watts. Do you remember that Volts multiplied by Amperes equals Watts? Well, 5 Volts times 2 Amperes equals 10 Watts.
• Quick Charge 2.0: 5, 9, and 12 Volts, maximum of 3 Amperes and 18 Watts. The maximum electrical power is achieved when using an input of 9 Volts and 2 Amperes, which multiplied gives you 18 Watts.
• Quick Charge 3.0: 3.6 to 20 Volts in 200 microVolts steps, maximum between 2.5 and 4.6 Amperes and 18 Watts. Similarly to Quick Charge 2.0, the 3.0 version also gives you the maximum electrical power when using an input of 9 Volts and 2 Amperes, which equals into a total of 18 Watts.
• Quick Charge 4.0+: the same as Quick Charge 3.0 but also adds support for USB-PD Mode (USB Power Delivery Mode), which is another fast charging standard. The USB-PD Mode compatible specs of Quick Charge 4.0 are 5 or 9 Volts and maximum 3 Amperes and 27 Watts.

A few examples of smartphones that offer support for Qualcomm Quick Charge 4.0 are LG G8 ThinQ and LG G7 ThinQ, Razer Phone 2, and Xiaomi Mi 9.

The list of devices that support Qualcomm Quick Charge 3.0 is much longer. Among them, you can find Nokia 9, LG Q9, Sony Xperia F7 and XZ (1 and 2), or Xiaomi Mi Mix (1 and 2).

Amazingly, some new smartphones such as the Samsung Galaxy S10+ and S10 only support Qualcomm Quick Charge 2.0.

You can find the full list of devices that support Qualcomm Quick Charge, sorted by version, in this PDF file: Qualcomm Quick Charge Technology Device List.

Samsung Adaptive Fast Charging

Samsung Adaptive Fast Charging is a fast charging standard that's based on Qualcomm Quick Charge 2.0, and which is compatible with chargers that support that standard. It is found on most Samsung smartphones, including the high-end Samsung Galaxy S10 and S10 Plus.

Apple Fast Charge

Apple chose to use the USB PD (USB Power Delivery) standard for the Apple Fast Charge on its latest iPhones, starting with iPhone 8 and iPhone X. However, none of the iPhones sold by Apple bundle USB PD-compatible chargers. In other words, the latest iPhone models support fast charging but their default chargers do not. That means that Apple forces you to buy USB-PD compatible chargers and cables separately if you want to fast charge your iPhone.

Motorola TurboPower

Motorola TurboPower is a fast charging standard that's found on Motorola smartphones, which is based on Qualcomm Quick Charge 2.0. That means that it should be compatible with chargers that support Qualcomm Quick Charge 2.0. The latest version of this fast charging standard is called Motorola TurboPower 30 and is also compatible with USB-PD.

MediaTek Pump Express

MediaTek Pump Express is a fast charging standard that is developed by MediaTek and can be found on smartphones that run MediaTek processors. Although MediaTek is a competitor of Qualcomm, the MediaTek Pump Express fast charging standard is compatible with Qualcomm Quick Charge, which is great.

OnePlus Dash Charge, OnePlus Warp Charge, Oppo VOOC, and Oppo Super VOOC

OnePlus Dash Charge is based on Oppo's VOOC fast charging technology, and the two should be compatible with one another. Although these are some of the fastest charging standards in the world, they have the significant disadvantage of not being compatible with other standards.

Smartphones that use these charging standards can fast charge only with proprietary chargers because they require special circuitry built into the chargers. They do not work with third-party chargers made by companies other than their manufacturers.

Huawei SuperCharge and SuperCharge 2.0

Huawei SuperCharge and its 2.0 version are fast charging standards that are proprietary to Huawei. It can deliver up to 10 Volts and 4 Amperes, and up to a maximum of 40 Watts of electrical power. The standards are also compatible with Qualcomm Quick Charge, and they are found on Android smartphones such as the Huawei P20 Pro, Huawei Mate 20 Pro, or the Honor View 20.

What happens when you charge a smartphone with a fast charger from another company, with another charging technology?

Yes, you can use any charger to charge any smartphone, because all chargers are compatible with the others. However, in the worst case scenario, your smartphone might charge slowly, using the lowest voltage and amperage compatible both with your smartphone and your charger. Do not expect to be able to fast charge your smartphone using a fast charger from another company, with another fast charging tech built into it. Some fast charging standards are compatible with others, and that means that you might be able to get fast charging when mixing chargers and devices with compatible standards. However, there is a lot of trial and error in doing so, and it might not always work as you expect. The fastest charging speed of a smartphone is usually achieved using its bundled charger and charging cable, except when using an iPhone, for which you need to purchase a separate fast charger.

Are you happy with the fast charger that comes with your smartphone?

We prefer to use the chargers that are bundled with our smartphones, and avoid using other chargers than the ones officially supported by our smartphones. However, we also use borrowed chargers on occasion, even if that means waiting for a lot longer to charge our devices. Do you do the same? What's your favorite fast charging standard? Are you happy with the charger that you get with your smartphone? Comment below and let's discuss.

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