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iW632

iW632

Dedicated Charging Port Controller for Qualcomm® Quick Charge™ 2.0 and Divider Mode

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快速充电™ 专用充电端口控制器

The iW632 is aRapidCharge™Dedicated Charging Port (DCP) controller for Qualcomm® Quick ChargeTM 2.0 (QC2.0) technology, optional Samsung Adaptive Fast Charging (AFC) and divider mode USB interface. It allows rapid charging of QC2.0 or divider mode enabled mobile devices (MDs), and it automatically identifies QC2.0, AFC and divider mode protocols. The iW632 resides on the USB port of the power adapter and allows the adapter to be configured for multi-level output such as 5V, 9V, or 12V depending on the voltage requested by MD.

它可用于DC/DC功率变换系统中，实现平稳的电压过渡和较低的空载功耗。iW632实现了三个输出引脚，用于输出反馈比率变化、输出过压以及故障和复位信号。此外，iW632还实现了专有的D+/D-过电压保护（OVP）和专有的D-阻抗检测，以解决输出电缆和连接器中的软短路问题，这些问题可能是由电缆连接器和插座之间的连接不良或松动、USB连接器中的污染等引起的，或磨损的电缆，并提供保护以防止损坏。

Features

  • 支持高通QC2.0高压专用充电端口（HVDCP）A类，电压配置为5V、9V和12V
  • 支持s divider mode with D+/D- at 2.7V/2.0V for 2.1A rapid charging
  • Optionally supports Samsung Adaptive Fast Charging (AFC) for output voltage and current negotiation
  • 向后兼容USB电池充电规范版本1.2（USB BC1.2）DCP
  • 向后兼容中国电信标准YD/T 1591-2009短模式
  • Automatically differentiates MDs and determines rapid charging protocols

Features

  • Proprietary D+/D- OVP and proprietary D-impedance detection address soft short issues in the output cables and connectors and provides protection against damages
  • 可编程有源快速放电，从9V/12V到5V，在MD拔出时，或根据要求从高电压水平到较低水平，带有内置开关或外部开关
  • Normally OFF state with <120μA cut-off current during 5V steady-state operation to achieve ultra-low power consumption at no load
  • Wide operating voltage range from 3V to 25V

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  • DC/DC converters/chargers for smart phones, tablets, and other mobile devices

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资源

Product Briefs and Summaries
日期 Version
iW632产品概述 23/11/2018 Rev. 1.2
General
日期 Version
认证：Qualcomm HVDCP Interface Specification Revision AG

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