CW3047限流识别IC

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 CW3047限流识别IC USB控制开关 多口充电器协议

CW3047概述

CW3047是一款识别加限流IC，可自动识别充电设备类型，支持多种智能手机，在保护充电设备前提下节省充电时间。    并具有超低导通阻抗、短路保护电流可设置的防止电源短路和过流的保护器件，集成过温保护功能，关断自动泄放功    能并能阻断反向电流传输。


CW3047特点


●  支持单路Apple Divider2/Divider3（10W/12W）模式可配置


●  支持多种USB充电协议，各充电协议自动切换：


2   Divider1/Divider2/Divider3充电协议（苹果专用）


2   D+/D–置1.2V模式（三星专用）


2   BC1.2 DCP及CTIS YD/T 1591-2009充电协议


●  可靠的上电复位(POR)及低压复位(LVR)性能


●  过温自动关断和重启


●  电流过流响应时间为2us


●  关断自动泄放功能

●  最大限流值：2.4A

The CW3047 is the USB charging controller IC integrated output current limitationfunction.CW3047 is fully compatible with BC1.2 and other non-BC1.2 standards like YD/T1591-2009, Apple charging specification (for iPad & iPhones) and specs from Samsung Galaxy family.The IC is used to facilitate charging procedure when most of the mainstream handheld devices are detected.A 21mΩ power-distribution switch is integrated to provide protection from port in-rush current or short-circuit.The CW3047 is suitable for all the charger products using USB interface like power bank, wall adapter, multi-port USB adapter. The IC is provided with enhanced ESD protection up to +/-8kV with application on D+/D-Pins.

CW3047应用


●  多口USB  超级充电器