QC3.0快充设计方案

Release time:2017-05-26
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source:ameya360
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近年来,智能手机迭代速度越来越快,但几乎每个手机用户都必备的配件——移动电源,在更新节奏上却要慢得多。在移动电源的市场上,厂商们似乎面临的更多是外观设计和成本上的竞争,技术上并无门槛可言。但这种情况在2016年会有较大的变化,快充手机的普及浪潮,开始波及移动电源市场,享受了快充的便捷之后,用户们已经无法忍受龟速充电的移动电源,新的趋势已经十分明显。但问题在于,什么样的快充技术才有竞争力?

高通 QC3.0 可向下兼容于先前的 Quick Charge 版本,可使一般手机只需充电约35分钟即可将电量从0%增至80%。并且可支持最新的 USB Type-C 接头;它在充电选择上面更电压范围内,提供不同电压的弹性选择。这让手机选择最适合的电压达到理想充电电流,进而将电能损耗最小化、提升充电效率并改善热表现。

功能描述

   QC 3.0 & MTK 协议快充

   输入 90-264Vac

   输出 5V/2A, 8V/3A , 12V/2A

   恒压恒流

重要特性

   毫瓦节省技术提供超低的待机功耗,很容易满足能源之星6

   QR+DCM 两种工作模式

   工作频率设置 60KHz-130kHz

   外部可设置 Burst 模式的进入和退出点

   两阶段 过压保护

   QC3.0 & QC2.0 & MTK 快充协议

   具有同步整流功能

种类 厂商 料号
整流桥 Fairchild Semiconductor MDB10S
DF10S1
LMB10S-TP
柏恩斯 CD2320-B11000
MOS 意法半导体 STF6N60M2
Fairchild Semiconductor FCU900N60Z
Diodes Incorporated DMG4N65CT
罗姆 RDX045N60FU6
低压MOS  Fairchild Semiconductor FDMC8884
 FDS8870
罗姆 RF4E080GNTR
AOS  AO4752
MKT & SR  controller Fairchild Semiconductor FAN6291QFMTCX
FAN6204MY
FAN6208MY
光耦 东芝  TLP293
TLP183
 TLP291
PWM controller

Fairchild Semiconductor

FAN501MPX
Active-Semi ACT361US-T
ACT364US-T
ACT337SH-T
二极管 东芝 1SS403TPH3F
1SS250(TE85L,F)
松下 MA3X15800L
MA3X1000GL




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