As smartphones become more important in our lives, people become more dependent on them. However, regarding the endurance of mobile phones, manufacturers simply increase the battery capacity and lose the aesthetic and portability of the mobile phone. Some of them thin the mobile phone for the beauty of the mobile phone, thus losing the battery life of the mobile phone, so that the battery life and beauty of the mobile phone can never stand in parallel. This approach has also caused dissatisfaction among many users. In the case of limitations in the existing technology, manufacturers have found a convenient way to break through the bottleneck of battery technology, and this is the fast charge we are going to talk about today. technology.
Fast charge
When it comes to fast charging technology, there must be a lot of users who have drifted through the slogan "charge for five minutes, talk for two hours". Indeed, as the originator of the fast-filled world, OPPO's VOOC flash charging does have an unassailable position. However, with the popularity of fast charging technology, more and more brands have begun to add fast charging technology to their mobile phones. The three mobile phones we will talk about today are Meizu's flagship mobile phone - Meizu Pro6, "self-timer artifact" - vivo x7 Plus and "the only flagship that will not be" - one plus three. The charging principle of these three mobile phones is different. Who is charging faster in unit time? Let us test the answer.
Vivo - dual engine fast charge
This concept was proposed by vivo when the X6 was released. The dual-engine flash charging uses dual-charge chips and dual-charge circuits to double the charging speed of ordinary mobile phones. The charging method adopted is a "high voltage and small current" circuit processing method. Although such a processing method can bring an efficient charging speed, in the charging process, since the voltage control IC needs to balance the voltage, the heat of the mobile phone is relatively higher.
Meizu - mCharge
The Meizu Pro6 uses mCharge and vivo to have a dual-engine fast charge, which is similar to the fact that the charging voltage is increased to provide faster charging efficiency. However, there is a difference. Meizu is not equipped with dual charging chips, so it is more aggressive in the voltage standard of the power adapter. It can transmit up to 12V. In the current power adapter, the voltage transmission efficiency is relatively high.
DASH flash charging
The DASH flash charging used in one plus three is different from the others. The DASH flash charging adopts a high current and low voltage method, which uses an MCU single chip microcomputer to replace the step-down circuit in the conventional charging circuit. The intelligent MCU management chip can automatically identify whether the current charging device supports DASH flash charging. If supported, the phase current will be segmented to achieve the output of the phase current; if it is not supported, the steady charging current will be automatically used to achieve slow charging. This approach is not very different from the current OPPO VOOC flash charging.
Charging speed
Let's take a look at the data to see how the three phones are charging.
â–² one plus 3 charging data
â–²vivo X7 Plus charging data
â–² Meizu Pro6 charging data
It can be seen from the above data statistics chart that one plus three is the fastest, and Meizu is second. The vivo X7 Plus is equipped with a 4100 mAh battery, the charging speed is slightly affected, but it is also faster in the fast charging technology. In the half-hour charging efficiency, one plus three charges up to 69%, such efficiency, even if you forget to charge at night, you can provide considerable power consumption during the washing time before going out the next day.
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