[閒聊] 高通QC4.0快充技術曝光:功率增至28W
原文 : http://www.chongdiantou.com/thread-15564-1-1.html
距離高通10月17日在香港舉辦的研討會時間越來越近,
充電頭網從業內知情人士處瞭解到高通QC4.0規格,
變化很大,除了意料之中的「低壓大電流」外,還有以下幾處變化:
1、功率大幅提升到28W,捨棄12V;
2、加強5V大電流輸出,最高可達5.6A;
3、每10mV跳檔,INOV 演算法更加精準。
http://static.cnbetacdn.com/article/2016/1009/b7e9c2fc73f04cd.jpg

得益於旗下手機芯片的廣泛使用,高通QC 2.0/3.0快充技術應用實例不勝枚舉。
據充電頭援引消息人士的爆料,高通有望在10月17日發佈QC4.0。
傳言QC4.0將最高功率調整到28W,方案設計為5V/4.7A~5.6A和9V/3A,
且步進電壓調整為10mV。
目前的QC3.0常見方案為輸出5V2.5A、9V2A、12V1.5A,標稱最大輸出功率18W。
按照高通官方的介紹,Quick Charge 3.0採用INOV最佳電壓智能協商算法後,
以200mV增量為一檔,提供從3.6V到20V電壓的靈活選擇。
如果爆料靠譜,那麼QC4.0就同時支持大電流和大電壓兩套方案,
而且步進電壓精細化後,對於改善充電損耗和散熱肯定大有裨益。
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