휴대폰 고속충전, 300W 시대 돌입! 휴대폰 고속충전 개발 역사를 검토해 보세요.

The battle for fast charging technology has never died down. Realme will soon demonstrate the world’s first 300W super flash charging technology, but this technology will not be first installed on Realme GT7 Pro.

This time realme is about to launch a 300W smartphone wired charging solution. It is not the world’s first 300W fast charge – as early as February 2023, Redmi was the first to announce the 300W “Magic Second Charge” technology. However, the technology of this project Exploring means more.

According to the technical introduction video at the time, the Redmi Note 12 Pro+ used for display could charge the 4100 mAh battery from zero to zero in 5 minutes, but more than a year has passed since that launch, and so far there has not been a single This Redmi phone actually uses this 300W charging technology.

But from a certain level, realme’s 300W seems to be more feasible for mass production this time. Realme GT5 and GT Neo5 both have 240W wired fast charging versions, which can be fully charged in 10 minutes.

In fact, in June this year, Wang Shuo, realme brand marketing director, revealed in an interview that realme was testing 300W charging technology.

But @digitalchatstation also pointed out that realme did test 300W super flash charging, but there is currently no trace of implementation, and the battery capacity is really not large. He believes that the next general direction for fast charging of smartphones is 100W/120W, and at the same time, the 6000mAh silicon anode battery should be made as relatively thin and light as possible.

Looking back at the development of smartphone fast charging technology, it can be said that it has changed rapidly in more than 10 years. As an indispensable electronic product in modern people's lives, smartphones have long been closely integrated with people, and battery life anxiety has been further amplified after the popularity of non-removable batteries. Therefore, in the two technology trees of fast charging and large batteries, Manufacturers have begun an "arms race" to catch up with each other.

In 2007, Apple released the original iPhone. This epoch-making product that redefined mobile phones had a 5W charging power. It may be said that it is not worth mentioning now, but for smartphones at the time, this speed was fast enough.

In 2010, the USB standardization organization USB IF released the USB BC 1.2 protocol, achieving a charging power of 7.5W according to the 5V1.5A standard.

After a long period of calm, Qualcomm launched Quick Charge 1.0 technology in 2013. The charging power at that time was what we know as "Five blessings and one safety (5V2A)", that is 10W.

Looking at it now, it is hard to imagine that the charging power of smartphones has only increased by 5W in 6 years, but it is undeniable that between 2007 and 2013, many manufacturers began to be brutal on the smartphone track. Growth began with the initial accumulation of talents and technology. Apple is leading the world with iPhone 4 and other models, Samsung is rising strongly, China Cool Alliance is all-powerful, and Xiaomi and Meizu are emerging, creating a state of vitality and competition for all things.

In 2015, there was a well-known advertising slogan - "Charge in 5 minutes, talk for two hours", which made OPPO's fast charging technology a household name in one fell swoop. In the previous year, OPPO's VOOC flash charging technology increased the fast charging power to 20W. It was also from 2014 that Green Factory's charging technology began to be at the forefront of the industry and has repeatedly led the development of fast charging technology.

In 2014, Qualcomm’s Quick Charge 2.0 technology came out. Due to the Micro USB 2.0 interface and power cord widely used by Android phones at the time, it could only withstand a current of 2A. It achieved a charging power of 18W by increasing the voltage; although It’s not as fast as OPPO’s 20W fast charger, but it’s better in terms of compatibility and low cost. However, it inevitably causes problems such as low charging efficiency and high heat generation.

In the few years after 2014, various manufacturers also increased their R&D investment and technology upgrades in the field of fast charging, and a number of fast charging technologies with good performance emerged. For example, MediaTek Pump Express fast charging technology, Huawei Super Charge Protocol technology, Meizu Super mCharge fast charging, Xiaomi ChargeTurbo flash charging technology, vivo FlashCharge technology, Samsung FastCharge technology, etc.

Although Type-C interfaces are becoming popular during this period, and the Android camp has basically realized the unification of interfaces, these private protocols have also become barriers between various brands, and "non-family members" cannot enjoy full power. The charging speed also increases the user cost.

국내 제조사들이 점차 충전 전력을 늘리는 것도 이 시기였으며, 50W, 65W, 100W 이상의 고속 충전 기술이 점차 등장했습니다. 애플의 아이폰 충전 역시 이 기간 동안 점차 뒤쳐져 마침내 10W 충전을 18W, 27W로 점차 늘렸다.

그리고 2019년부터 2022년 사이 국내 제조사의 충전 속도는 급격히 높아졌다. 2022년 OPPO는 150W 슈퍼 플래시 충전 기술의 장수 버전을 공식 출시했습니다. iQOO 10 Pro는 200W 슈퍼 플래시 충전으로 출시되었으며 Redmi Note 12 Discovery Edition은 210W 고속 충전을 사용하여 200W 기록을 깨뜨렸습니다.

2023년, 리얼미 GT 네오 5는 충전 전력을 240W로 끌어올릴 예정이다. 이는 지금까지 양산된 제품 중 가장 강력한 고속 충전 기술로 '30초 충전, 2시간 통화'를 달성한다. 2023년 3월, Xiaomi 그룹 창립자 Lei Jun은 Weibo에서 Redmi Note 12 Pro+ 매직 수정 버전의 충전 동영상을 공개했습니다.

영상 표시에 따르면 4100mAh 배터리는 약 2분 13초 만에 50% 충전되며, 완전 충전에는 약 4분 54초 만에 100%에 도달합니다.

이 영상은 1년이 지나도 여전히 많이 과장되어 있지만, 양산 모델에 300W 고속 충전이 적용되지 않은 점이 아쉽습니다. 당연히 최초의 300W 공식 양산 제품입니다. 상용 모델은 Realme이 고속 충전 솔루션의 타이틀을 차지하게 됩니다.

기술의 발전으로 스마트폰 사용 경험이 더욱 풍부해졌습니다. 초기 5W 충전 전력부터 Realme이 곧 시연할 300W 슈퍼 플래시 충전 기술까지, 이는 제조업체 혁신의 결과일 뿐만 아니라 효율적인 충전 솔루션에 대한 소비자의 요구를 반영합니다.

하지만 충전 성능의 향상이 충전 전력의 향상에만 반영되는 것은 아닙니다. 충전 기술의 발전에 도전이 없지는 않습니다. 배터리 용량 제한, 충전 효율과 발열 간의 균형, 다양한 브랜드 간의 충전 프로토콜 장벽 등 문제를 극복해야 합니다. 고전력 고속 충전만으로는 결코 최적의 솔루션이 아닙니다. 고전력 + 대용량 배터리는 배터리 불안을 해결하는 "이중 솔루션"입니다.

Type-C 인터페이스는 Android, iOS 및 Hongmeng을 통합했으며 PD 고속 충전은 240W를 지원할 수 있으며 UFCS 통합 고속 충전에 대한 프로모션은 현재 어느 정도 저항이 있지만 천천히 발전하고 있습니다.

기술이 계속 성숙해지고 표준화가 발전할수록 스마트폰 충전 기술은 더욱 안전하고 효율적이 될 것이며, 브랜드 간 호환성을 달성하고, 무의미한 장벽과 혁신을 무너뜨리고, 산업의 장기적으로 건전한 발전을 이룰 수 있다고 믿습니다.

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