Apple fans are looking forward to the stars and the moon, praying that the fast charging speed of iPhone will catch up with the Android camp as soon as possible. However, although iPhone 7 and iPhone 7 Plus have made progress, this Bubka type progress is really appetizing. As for those consumers who are not fruit fans, although they went to the Android camp early, they fell into the difficulty of choosing. PD、QC、PEP、FCP、DASH、VOOC， Dazzled, many manufacturers also extend their own unclear terms on the basis of QC or PEP, such as dual engine flash charge.
Although fast charging technology seems to be of many schools, there are only two types in general: high voltage and high current. Except that DASH and VOOC belong to high current fast charging technology, the rest are basically high voltage. Whether it is high voltage or high current, the final goal is to improve the speed of fast charging by increasing the power. Next, let's take a look at the fast charging technologies of the above six Android camps and popularize some common sense in the field of mobile phone endurance.
Qualcomm：Quick Charge 1.0/2.0/3.0
Qualcomm Quick Charge 3.0 (hereinafter referred to as QC 3.0) is unwittingly the third generation of fast charge technology of Qualcomm. When there were not 100 fast charge technologies in the past few years, the attention of QC schools was quite high. In previous years, QC 1.0 and QC 2.0 are still popular with mobile phone manufacturers and consumers. Especially QC 2.0 technology, many mobile phone manufacturers' fast charging technologies are actually based on QC 2.0, such as Moto turbine fast charging and vivo dual engine flash charging mentioned below.
QC 1.0： Up to 5V/2A charging power is supported.
QC 2.0： Compatible with 5V/9V/12V/20V four gear charging voltage.
QC 3.0： With 200mV increment as the first gear, it provides flexible selection of voltage from 3.6V to 20V, allowing mobile phone manufacturers to adjust the optimal voltage according to their own needs, achieve the expected current, provide charging efficiency and reduce power consumption and heat. At present, the standard QC 3.0 fast charging head on the market and the mobile phones supporting this protocol include LG G5, Xiaomi mobile phone 5, etc.
MTK：PumpExpress Plus
In the past few years, MTK has been crushed by Qualcomm in the field of charging speed because of its lagging fast charging technology. In the past two years, the PumpExpress technology has come to the fore, with a built-in PMIC power management integrated circuit that allows the charger to determine the initial voltage required for charging according to the current. The PMIC sends the pulse current command to the charger through the USB Vbus, and then adjusts the output voltage according to this command, gradually increasing to 5V to reach the maximum charging current.
PumpExpress output power<10W, PumpExpress Plus output power>15W. The latest Pump Express 3.0 claims to be able to fully charge smart phones by 70% in 20 minutes, while reducing power consumption by 50% compared with the Pump Express Plus, indirectly reducing heat generation. Compared with the 200mV increment of QC 3.0, the voltage trimming range of PumpExpress 3.0 is only 10mV, and the theoretical maximum can provide 5A charging current. MediaTek said that Pump Express 3.0 can be implemented on Helio P20 as soon as possible.
FCP（Fast Charger Protocol）
Last year's Huawei Mate 8 and Glory 7, this year's Glory V8 and the FCP on Huawei P9 belong to Huawei's own fast charging technology. In June this year, Huawei launched 10000 mAh Glory mobile power supply that also supports this technology, with a maximum of 9V/2A (18W) fast charging output power.
USB PD（USB Power Delivery Specification）
Many consumers have always had a misconception that the charging speed and data transmission speed of smart phones using USB Type-C interface and data cable will be fast. It is easy to cite counter examples for the latter. All three models of Yijia Mobile 2, Lenovo Zuk Z1 and Le 1 use USB Type-C data cable, but only Lenovo Zuk Z1 data transmission speed has improved compared with ordinary micro USB interface models. Yijia Mobile 2 and Le 1 data transmission speed has not improved significantly in this regard. In fact, the reason for the real acceleration is that Lenovo's ZUK Z1 adopts the USB 3. x protocol.
Is the charging speed of USB Typ-C interface models faster? It is also uncertain. This is mainly because the USB PD protocol works. If the USB Type-C interface is only used but not compatible with the USB PD protocol or fast charging technologies such as QC 3.0, the charging speed will not be greatly improved. At present, there are not many mobile phones on the market that are compatible with the USB PD protocol and are attached with the fast charging head of the protocol. Le Max 2 is one of the representatives. Unfortunately, the USB 3. x specification is not used, and the data transmission speed is not amazing.
Back to the USB PD specification, the Le Max 2 compatible with the specification charges very fast, but it does not fully reflect the potential of the USB PD specification. before Love to play computer games The website has evaluated a mobile power supply that is compatible with the USB PD specification, with a maximum output power of 72W (13.2V/5.4A), which is the reason why the USB PD specification has great potential to become the mobile device industry standard in the future.
OPPO: VOOC flash charging technology
As early as OPPO Find 7, we have learned VOOC flash charging technology, and then N series and R series have begun to popularize this technology. Today, "5 minutes of charging and 2 hours of talking" has become a brand symbol. Different from the fast charging technology mentioned above, the VOOC flash charging technology focuses on high current rather than high voltage. The original OPPO fast charging head can support up to 5V/4A power output, and 5V/2A power output can generally be achieved by plugging into a mobile phone that does not support VOOC flash charging.
The first generation VOOC fast charger that OPPO Find 7 standard configured in that year could not separate the fast charger head from the USB cable, and its volume was relatively large. It was not until OPPO N3 and OPPO R5 launched the second generation of fast charging head that the volume compression was realized and the separable design was made. Of course, with the increase of charging speed, the safety will naturally be pushed to the forefront. OPPO has applied for 18 patents and obtained many authoritative certifications, including the Swiss IEC. At the same time, it has integrated the five fold safety protection technology exclusively developed by OPPO.
One plus: DASH fast flash charge
Similar to OPPO VOOC flash charging technology, Yijia also has DASH fast flash charging technology. The original charger can also output up to 5V/4A power. Coincidentally, it also has five levels of protection technology. From the charging adapter to the mobile phone end, every trace of power will go through five all terminal protection technologies: adapter overload protection, flash charge condition judgment protection, interface overload protection, battery overload protection, and battery fuse protection. However, the flash charger and charging line of OPPO and OnePlus must buy original parts. Many explosion incidents are actually caused by consumers buying fake and non original parts.
QC fast charging technology extension
Nowadays, many Android manufacturers have launched a lot of exclusive fast charging terms, which are based on QC and PumpExpress Plus (hereinafter referred to as PEP). Let's take a look at the secondary processing and fast charging technology of QC camp first.
Moto Turbine Fast Charging Technology
Although Moto is not as good as before, it is still strong in fast charging technology. We are impressed by the charging effect of the integrated quick charger (similar to OPPO Find 7 quick charger, which can not be separated) that comes with Moto X Style and Moto X pole. From the specifications of the quick charger, we can see that it can support up to 5V/9V/12V, and the current can be divided into 2.85A/2.15A, with a maximum output of 25W charging power.
Vivo dual engine flash charge
Many consumers think that Vivo's dual engine flash charging technology is also fast and even slightly better than ordinary QC 2.0 compatible models. In fact, Vivo is upgraded from QC 2.0. According to the official introduction, this is mainly due to its use of dual charging chips and dual charging circuits, coupled with the vivo customized flash battery, which brings twice the charging speed of ordinary mobile phones. It has a unique nine fold charging protection system, which makes charging faster and safer. According to the original fast charging head of vivo X7Plus, the output power has two specifications: 9V/2A and 5V/2A.
Extension of PEP fast charging technology
PEP fast charging technology representatives include Meizu mCharge 3.0 and Jinli Lightning Fast Charging.
Meizu mCharge 3.0
Although Meizu PRO 5 and Meizu PRO 6 are equipped with 24W fast charging heads, Meizu distinguishes their fast charging technologies into mCharge 2.0 and mCharge 3.0. The former is based on MTK PEP, and the latter is MTK PEP 2.0. In addition, the two models support different technologies. It is worth mentioning that Meizu PRO 6, in addition to continuing to use the USB Type-C interface, has also upgraded the USB specification to version 3.1 compared with Meizu PRO 5. Similar to the Lenovo Zuk Z1 mentioned above, it provides faster data transmission speed.
Jinli Lightning Fast Charge
Coincidentally, Jinli lightning fast charging technology is similar to vivo dual engine flash charging technology, and also adopts a dual charging chip design. The two sets of charging chips can realize intelligent adjustment of charging current, effectively alleviating the mobile phone heating caused by rapid charging. Take Jinli M6 and Jinli M6 Plus for example, the former supports up to 9V/2A fast charging standard, while the latter supports 12V/2A fast charging standard.
Mutual compatibility of fast charging technologies
On the Meizu PRO 5 promotion page, we can see that it supports not only mCharge 2.0 (based on MTK PEP), but also PD protocol charger. In other words, a mobile phone can support more than one fast charging technology. This is more common in mobile power supply and fast charging head products. This phenomenon is very common. Le Max 2 is compatible with the QC 3.0 and PD dual fast charging protocols. Huawei Mate 8 supports both QC 2.0 and its own FCP fast charging technologies. "
summary
Many consumers have a misunderstanding about fast charging technology. They always think that Samsung Exynos SoC is equipped with Samsung fast charging technology, MediaTek SoC is equipped with MTK fast charging technology, and Qualcomm Snapdragon SoC is equipped with QC fast charging technology. In fact, it is not necessarily that fast charging technology chips and circuits can also be purchased separately. The most classic example is that Meizu PRO 5, although it uses the Exynos platform, integrates the MTK PEP fast charging scheme instead of the Samsung AFC standard. Similarly, many of Vivo's MTK platform models still support the dual engine flash charge technology based on the QC 2.0 standard.
On the other hand, Samsung flagship machine is equipped with its own AFC fast charging standard, and is compatible with QC 2.0. Samsung C5 and Samsung C7 do not support QC fast charging technology, and you must use Samsung's own fast charging head to quickly charge. Samsung Galaxy Note7 also supports QC, PD and AFC standards.
Based on this principle, it is not difficult for us to understand the dual protocol fast charging scheme mentioned above. As long as mobile phone manufacturers are willing to pay, they can obtain solutions from different fast charging suppliers. It is theoretically possible to integrate two fast charging schemes.
Our WeChat official account: playphone
More professional reviews of boutiques and more interesting videos. Welcome to follow the WeChat official accounts "Love Computer" and "Have Computer". Pay attention to love computer and share the beautiful digital life.
