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Uses Dialog’s XM-Comm Technology to Remove All Optocouplers from Rapid Charge Solutions
IW662集成的辅助侧同步整流器和快速充电接口IC使用对话框XM-Commtechnology to communicate back to the primary-side controller, the (IW1790.那IW1796那IW1798）消除了光耦合器需要为快速充电协议提供解决方案，例如Qualcomm快速充电3.0和2.0技术。
该设备还集成了同步整流器控制器，该控制器使用自适应关闭时间控制来消除对平行肖特基二极管的需要降低转换期间的功率损耗。总解决方案降低了整体BOM成本并提高了缩小的形状系数行程适配器的效率。
IW1790 + IW662芯片组使用对话框的高级故障控制技术来帮助地址电缆和连接器中的软短路。
Qualcomm®Quick Charge™ is a product of Qualcomm Technologies, Inc.
Features
在单个IC中集成速率接口IC和同步整流器控制器
XM-Comm- Proprietary Secondary-to-Primary Digital Communication via Power Transformer:
- No need for Optocoupler
- Reduces BOM and Significantly Simplifies Design
- Handles All Rapid Charging Information
Supports Multiple RapidCharge Protocols
- Qualcomm快速充电3.0
- Qualcomm Quick Charge 2.0
Synchronous Rectifier Controller
- High-voltage Drain Sensing up to 100 V With No Additional External Clamping Circuits Required
- Lossless MOSFET VDS Sensing for SR Timing Control with Digital Adaptive Turn-Off Control
- Optimized 5 V MOSFET Gate Driver
Double-layer cable protection:
- 二次（iW662): Proprietary D+/D- Overvoltage Protection (OVP) Addresses VBUS D+/D Soft Shorts
- 小侧（IW1790.那IW1796那IW1798): Advanced Cable Fault Protection Reduces Average Output Power at Fault
Intelligent Low Power Mode Enables < 20 mW No-load Power Consumption
Dual Over-Temperature Protection (OTP)
- On-chip Temperature Sensing Circuit and External NTC
雷竞技安卓下载
RapidCharge AC/DC Adapters for Smartphones, Tablets, Other Portable Devices
框图
功能框图
IW1790.Typical Applications Block Diagram
IW1796典型应用图雷竞技安卓下载
IW1798Typical Applications Diagram
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