CW3147 USB Charging Controller with Current Limitation

CW3147 is a USB Charging Controller IC integrated with output current Limitation function.


• 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

• 16mΩ Ultra Low RDSON High Side NMOS Switch

• Enable Control Function

• Operating Voltage Range: 4.5V to 5.5V

• Adjustable Current Limit Up to 3A

• 8KV HBM ESD Rating on D+/D- Pins

• Lead(Pb)-Free, Halogen-Free, SOT23-6 Package


Application Field

• Wall Charger/Travel Adapter

• Smart Charger

• Power Strip

• USB Ports (Hosts and Hubs)


Application Circuits

CW3147 USB限流识别芯片

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