Is it true that charging for five minutes for two minutes? Detailed VOOC flash charging technology
The R9 and R9 Plus are new models that OPPO will release this spring. Although the two products are different in configuration from processor, main lens, screen size to battery capacity, they all have the same point, that is, they use VOOC flash charging technology. . I remember that Wu Qian, vice president of OPPO, once said that "mobile phones with more than 2,000 yuan will support VOOC flash charging." Of course, it is this technology that allows OPPO and other brands to quickly distance, thus laying the foundation for the brand and influence.
The birth of VOOC flash charging technology can be said to be the trend, because during the commercialization of lithium batteries, lithium battery technology is used in notebooks, smart phones or electric cars/bikes. However, after 20 years of development, there is still no other type of battery to replace the lithium battery status, which is the biggest bottleneck restricting the endurance of the smart phone. Therefore, a new technology is urgently needed to make up for the lack of the endurance of the smart phone. Depression.
In this regard, most mobile phone manufacturers' practices are to increase battery capacity, add power-saving software, and increase charging speed. The first two are common practices, and the latter one is only done by a very small number of manufacturers, so the charging speed is the most tested manufacturer's R&D. Strength, currently the most common on the market is (Qualcomm) Qualcomm's Quick Charge fast charge and the more well-known VOOC flash charge technology.
5 heavy protection is safer
Quick Charge fast charging uses the principle of increasing voltage and current to increase the charging speed; VOOC flash charging uses low voltage and high current mode to reduce the heating condition of the adapter and mobile phone while ensuring the charging speed. The former has been updated to Quick Charge 3.0, with a 200mV increment. OEMs can choose between 3.6V and 20V. The latter is not as popular as the former, but it is separate from traditional overcurrent protection. Customized components greatly enhance safety.
Why do you say that? Because VOOC flashing from the adapter, interface to the inside of the phone to create a full-end five-fold protection:
First, the adapter overload protection. When the current terminal current enters the adapter, the sensor detects the voltage and current in real time, and detects that the safety MOSFET (protection) switch automatically turns on the flash charge, and the abnormality will immediately turn off.
Second, the flash charge condition identification protection. When the current passes through the adapter, the MCU chip will detect whether the device supports flash charging, and simultaneously turn on the secondary overload protection after the detection is passed.
Third, the interface overload protection. When the current enters the mobile phone, at the specific 7pin USB interface, the MCU in the mobile phone controls the third MOSFET (protection) switch to activate the third-level overload protection.
Fourth, battery overload protection. The special IC and MOSFET (protection) switches in the battery form the fourth line of defense, which is responsible for overload protection of the battery's voltage/current.
Five, battery fuse protection. When an abnormality occurs, the fuse inside the battery is immediately blown, and the current input is physically cut off to prevent a disaster.
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