CW3042 USB Charging Controller with Current Limitation

CW3042 is a USB Charging Controller IC integrated with output current Limitation function.


Features

• D+/D- DCP Mode per USB Battery Charging Specification 1.2

• D+/D- Short Mode per Telecommunication Industry Standard YD/T1591-2009 (Chinese)

• Supports non-BC1.2 Charging Modes by Automatic Selection

     • D+/D- Option for Apple Device

     • D+/D- Option for Samsung Device

• Integrated High Side NMOS Switch

• 73mΩ Ultra Low RDSON

• Prevent current from flowing backward

• Operating Voltage Range: 4.5V to 5.5V 

• Adjustable Current Limit Up to 3A

• Power Consumption

     • 2µA When Device is Disabled

     • 135µA When Device is Enabled

• 8kV HBM ESD Rating on D+/D- Pins

• Lead(Pb)-Free, Halogen-Free, DFN3*3-12 and DFN3*3-10 Package

 

Application Field

• Wall Charger/Travel Adapter

• Smart Charger  

• Power Strip

• USB Ports (Hosts and Hubs)

 

Application Circuits


CW3042 USB限流识别芯片


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