As announced in recent days, Oppo has made progress with regards to fast charging and today announced a new line of chargers equipped with new technologies with and without cord, as well as a couple of small chargers which, despite their really small size , they provide a powerful flash charge.
The company, moreover, has led the development in this field since 2014, the year in which the VOOC flash charge was launched, and today it takes a further step compared to the solutions presented just under a year ago, the fastest of which was the SuperVOOC 2.0 at 65W.
As the technical difficulties encountered by Xiaomi in the development of a 100W charging technology have shown, the task is not at all simple. However, Oppo has managed to create a new charging technology that is already mature enough to be integrated into products that will be marketed during the year, thanks to an advanced encryption algorithm and rigid temperature control regulators that allow safe and secure use. efficient of its new loaders.
The flagship product of the new Oppo charger series is undoubtedly the 125W flash charge, which thanks to direct charging is able to charge a 4000mAh battery up to 41% in five minutes and fully recharge it in 20 minutes. Compatible with previous flash charging protocols, namely SuperVOOC and VOOC, it also supports mainstream ones such as 65W PD and 125W PPS, allowing you to recharge a wide range of electronic devices.
The secret is, in this case, a complete update of the hardware architecture, which can support a charging scheme up to 20V and 6.25A and has a significantly improved power density that reduces the charging time without affecting the size of the charger. . It features dual-6C cells with a state-of-the-art charge ratio, multiple card structures, charge pumps and an integrated MCU that improves efficiency.
Safety has also been improved, thanks to the presence of 10 additional temperature sensors that monitor the state of charge and measures of overvoltage protection with fuses.
High-level performance also for the new 65W AirVOOC wireless flash charge, which fully charges a 4,000mAh battery in 30 minutes, thanks to a self-produced isolated charge pump and a double coil able to further increase its efficiency.
Also in this case there are protective measures, in addition to the function of detecting foreign objects. In short, compatibility with the Qi standard aims to guarantee a super-fast and cable-free charging experience.
At the same time, Oppo also presented a concept of wireless glass charger (made with the rapid prototyping technology without mold, first application in the consumer electronics market), which at the bottom has a semiconductor chiller; thanks to this stratagem, the temperature of the back of the smartphone being charged is maintained by 2 ° C lower than it is with the heat dissipation fan only
Finally, the company also presented a couple of compact but extremely fast chargers. The first is the smallest 50W SuperVOOC charger in the world, so much so that it can easily be placed in the pockets of a shirt or coat. To achieve this, the engineers reduced the size of the bulkier components, removed the conventional electrolytic capacitor and introduced pulse charging, high-power locking diodes and the GaN technology.
Compatible with VOOC protocols, the 50W SuperVOOC also supports mainstream ones such as 27W PD and 50W PPS, thus managing to charge a variety of devices, from smartphones to laptops.
Finally, the second and last compact charger is the 110W mini-flash charger: equipped with a double-level architecture that allows high efficiency power conversion and temperature control and made with compact laminate structures, the charger has the dimensions of a normal 18W charger, but it is much more powerful.
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