CW3048 USB Charging Controller and Protector

CW3048 is a USB charging port controller to enable fast charging and USB communication functions in the same USB port.


Features

• Smart Fast Charging USB Port Compatible with Various Portable Devices

     • USB Battery Charging Specification 1.2 (BC1.2) Compatible Devices

     • Chinese Telecommunication Industry Standard YD/T 1591-2009 Compatible Devices

     • Apple® Devices such as iPhone and iPad

     • Samsung Galaxy Family

• Supports Fast Charging when System is in Sleep-Mode

• Supports Fast Charging and USB Communication Simultaneously when System is Active

• USB Communication Privilege

     • CDP Fallback for Legacy Device Support

     • Remote Wakeup Support

• Load Detection for Wakeup by PD and Current Allocation Functions

• Integrated High-Side MOSFET with RDS(ON)=73mΩ(Typical)

• Adjustable Current Limit up to 3A

• Operating Range: 4.5V to 5.5V

• Maximum Current

     • 2µA when Device is Disabled

     • 195µA when Device is Enabled

• ± 8kV ESD Rating on D+/D- Pins

• Available in QFN16 (3x3mm²) Package

 

Application Field

• Notebook and Desktop PCs

• Car MultiMedia System

• Portable Speaker

• Smart TVs


Application Circuits




CW3048 USB通讯识别限流芯片

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