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VP242 - USB-C™ Power Bank DRP Controller with Smart Charging

Description



 
The VIA Lab's VP242 is an USB Type-C DRP CC controller with BC 1.2 smart charging. The VP242 provides the electrical measurement to support USB Type-C CC controller features and supports DRP with Try.SRC function for 3A Mode. The VP242 supports output control signals for VBUS source and sink switches. The VP242 also provides the automatic starting signal for VBUS sink switch  when dead battery happens.

The VIA Lab's VP242 also provides the backward compatibility with the electrical protocol handshake on D+/D- to support the battery charging schemes; BC 1.2, Chinese Telecommunication Standard YD/T 1591-2009, Divider Mode (complaint with Apple® devices), and DCP 1.2V Mode (compliant with Samsung devices).



 

Block Diagram

Key Features

  • USB Type-C™ Specification 1.2
  • Backward Compatible with USB Type-C Specification 1.1
  • Dual Role Port Strongly Prefers Source Role – DRP with Accessory and Try.SRC Support
  • Channel Configuration (CC)
    – Attach/Un-Attach of USB Port Detection
    – Role Detection
    – Type-C Current Mode (3A)
  • VBUS Detection and Auto Discharge
  • Output Control Signals for Vbus Source/Sink Switches
  • Dead Battery Support (Sink Mode Support when No Power Applied)
  • Meets Battery Charging Specification BC 1.2
  • Fast Charging Support for Apple Devices, BC 1.2 Compliant Devices and Samsung Devices
  • Enable pin to turn on/off IC
  • Under-Voltage Lock Out Protection
  • Supply Voltage: 2.7V to 5.5V
  • Low Current Consumption
  • Industrial Temperature Range of -40 ℃ to 85 ℃
  • Available in 10-pin EMSOP package