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If youre reading this, you most probably have the luxury of owning an electronic device that comes with its own charging cable be it a smartphone, a máy tính, or a tablet. But if you own multiple devices (as most of us do), is there really a need to keep all those charging cables lying about, one for each device?
Nội dung chính
- Does your phone fast charge with a máy tính charger?Is it safe to use a Laptop charger with your phone?The ubiquity of USB Type-C (and the one charger dream)Different levels of fast chargingUSB-C PD (Power Delivery)Quick chargeWhen will your phone fast charge with a máy tính charger?Fast charging protocolsRegulating inputVideo liên quan
Nowadays, regardless of device, most charging cables and ports have evolved enough to not just look similar but also serve the basic function of charging the connected device equally well.
The question then arises can your máy tính charger be used to fast charge your phone?
Does your phone fast charge with a máy tính charger?
In a word Yes. But before you get your hopes up, there are certain compatibility conditions that your phone and your laptops charger must meet. Heres everything you need to know about fast charging your phone with your máy tính charger.
Is it safe to use a Laptop charger with your phone?
Modern USB-C chargers and phones have built-in circuits that control energy flow and negotiate the charge rate. So it doesnt really matter that your máy tính charger is a mighty hunk built to charge devices that are many times the size of your phone. The phone will only take what it needs, nothing more.
This is also the reason why the máy tính charger may heat up while charging the máy tính, but not when charging the phone. In toto, it is safe to use a máy tính charger with your phone, given, of course, that they are of the same USB standard.
The ubiquity of USB Type-C (and the one charger dream)
Lately, USB-C chargers have become so widespread that almost every modern phone and máy tính comes with one. The beauty of USB-C is in its ability to charge your phone fast by increasing power flow during the initial phase, and then later lowering the voltage in the second phase, when most of the battery is charged, to prevent overheating.
Your phone manufacturers charger may let you fast charge your phone based on its wattage capacity. But máy tính chargers have much higher wattage, and understandably so since the máy tính is a much bigger device.
Now, although the bigger máy tính charger may have more charging capacity than what your phone requires, both your phone and your laptops charger still operate the same voltage, which is the USB-C standard that does allow for cross charging.
The USB IF (Implementers Forum) delineates four charging standards that correspond to four different USB specifications:
- USB 1.0 5V/0.5A (2.5W)USB 2.0 5V/0.5A (2.5W)USB 3.0 5V/0.9A (4.5W)USB 3.1 5-20V/0.5-5A (100W)
For fast charging, there is a particular protocol that supports up to 20 volts and 100W of power USB Power Delivery, or USB-PD. And this is where the connection compatibilities between a phone and a máy tính charger come in. As long as you have a connector that supports USB-PD, you should be able to fast charge your phone with your máy tính charger.
Different levels of fast charging
Now, theres really no need to use a máy tính charger for your phone unless it charges your phone fast. But exactly what constitutes a fast charge may depend on who youre asking. Most phone manufacturers have their own names for fast charging. One Plus has Dash and Warp charging, Huawei supercharge, Motorola Turbocharge, the list goes on.
Call it what you may, these are all based on the USB-C standard connector, of which there are two major fast charging standards:
USB-C PD (Power Delivery)
The voltage levels of previous USB standards have all been specified 5V. But the USB PD standard is different from them in that it makes available different voltage levels depending on your use 5, 9, 15, and 20 while delivering power levels up to a hundred watts. All this extra juice means that if the phone and the máy tính charger can establish an operating protocol, your phone can fast charge with ease.
Quick charge
Quick Charge is Qualcomms own USB-C fast charging standard, one that has become quite popular owing to the widespread use of its chipsets. However, only version 4.0 is power delivery compatible. You can find the Qualcomm Quick Charge on most Snapdragon-powered devices operating up to 9V and 3 amperes.
In terms of exact speed, wed be splitting hairs trying to compare the different fast-charging standards. It is safe to say that phones and chargers that have the power delivery USB-C standard will range somewhere between 18 60 watts of power, giving you fifty to sixty percent charge in less than half an hour.
When will your phone fast charge with a máy tính charger?
There are a couple of conditions that must be satisfied before you can expect your máy tính charger to fast charge your phone:
Fast charging protocols
Simply having the USB-C connector doesnt mean that ones charger will work on the other as well. For successful charger compatibility, both your máy tính and your phone must have compatible charging protocols.
If your máy tính has a USB-C connector, it should allow for high-watt power delivery. Otherwise, it would be quite impossible to charge a máy tính with just the standard USB port. And since USB PD is also the protocol behind your phones fast charging technology, the two will most likely be compatible with each other.
Regulating input
At the same time, the amount of charge, as well as the rate which the power is supplied, should be negotiated between your phones battery and the charger. You will hardly find a modern battery that doesnt have an in-built controller that regulates how much charge is coming in. Combined with the fact that most chargers also tư vấn multiple voltage levels, the two work together to determine how much input your phone can bear without overheating.
Even if your phone does not tư vấn fast charging, this regulation ensures that the charger defaults to what the phone can handle and least charges the standard 5V/1A rate.
It is always advised to purchase least hallway decent chargers (if youre getting one separately). This is because there are many counterfeit USB-C chargers out there that do not meet the protocols and the regulating input standards that we mentioned earlier. Even though they only make up a small and ever-diminishing minority, the importance of checking your USB-C PD charging cable cannot be stressed enough. You wouldnt want to end up with a fried phone just because of a faulty cable that doesnt interact with the phone to accommodate what voltage and current it requires.
Ultimately, as long as your laptops charger and your phones fast-charging protocols are the same, you shouldnt have any difficulty in fast charging your phone through the máy tính charger.
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