USB Power / Protection IC

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CW3043 Type C Charging Controller with Current Protection

The CW3043 is a USB charging controller IC integrated with output current and over temperature protection functions. CW3043 is fully compatible with USB type C DFP standard, and will enable the power output to charge the attached device which is also compatible with type C standard. A 40m power switch is integrated with full protection against port in-rush current and output short to ground condition. CW3043 provides three-level over current protection to ensure the safety of both IC and system. The CW3043 is suitable for all the charger products using USB type C interface like power bank, car charger and wall adapters. The IC is provided with enhanced ESD protection up to ± 8kV with application on CC Pins. CW3043 is available in eMSOP-10 package.

• Support Type C 5V Specification
• DFP Application
• Two-Level Output Current Protection
  • Level1: 110% of Constant Current
  • Level2: 190% of Constant Current
• Short Circuit Protection
• Ultra Low RDSON of Integrated High-side
  • RDSON <= 40m
• Operation Voltage Range: 4.5V to 7.0V
• Power Consumption
  • 2A When Device is Disabled
  • 50A When Device is Enabled
• ± 8kV HBM ESD Rating on CC Pins
• ± 2kV HBM ESD Rating on Power Pins
• Lead(Pb)-Free, Halogen-Free, eMSOP-10 Package
• Power Bank
• Wall Adapter
• Car Chargers
• USB Ports (Hosts and Hubs)

Typical Application

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