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Enabling SuperSpeed+ USB and Beyond

Products

VP305 - Dual-Port PD 3.0 Controller

Description


 
VIA Lab’s VP305 is a highly integrated single chip dual-port Power Delivery 3.0 controller aimed for multi-port USB-C power bricks with dynamic power management capability. Two integrated USB-C DRP ports can charge connected PD host and dead battery mode is supported. VP305’s Device Policy Manager could negotiate power rules with their port partners and perform smart power management based on port status. USB Billboard device function is implemented for easy FW update. VP305 also support smart auto-standby that automatically entering deep power saving mode when connected interface is in idle state.
 
Built-in trimmed RC oscillator, linear voltage regulators, Vbus voltage and current detectors, VP305 can work perfectly with 5V Vbus power and monitor abnormal power behavior. Up to 11 GPIO pins and one I2C master are available for specific application usage. The SPI interface can support external SPI flash or sharing SPI flash with VLI Hub controller for firmware upgrade. VP305 is available in QFN 48L (6x6x0.85 mm).

Block Diagram

Key Features

  • CC Logic & PD 3.0 Engine supporting two DRP USB-C ports
    - Compliant to USB Type-C Cable and Connector Specification Revision 1.3
    - Compliant to USB Power Delivery Specification Revision 3.0 Version 1.1
    - Integrated Type-C transceivers
    - Built-in pull-up/pull down resistors, including Rp, Rd, and Ra
    - Built-in Vconn power switch
  • USB-C DRP Capability
    - Charging connected PD hosts
    - Support Provider and Consumer roles
    - Support PD Power Rule up to 100W
    - Support dead battery charging
  • USB Billboard Device
    - USB Billboard compliant to USB Device Class Definition for Billboard Devices Revision 1.21
    - Integrated in-house USB 2.0 Full-speed PHY
  • Fast 8051 Macro Cell 80C32-Compatible Microcontroller
    - Standard 1T 8051 instruction set with embedded Mask ROM and SRAM
    - Support external SPI flash or sharing SPI flash with VLI Hub controller for firmware upgrade
  • Built-in Oscillator, Voltage Regulators, Voltage Detector, and Current Detector
    - Built-in trimmed RC oscillator
    - 5.0V-to-3.3V LDO and 3.3V-to-1.8V LDO
    - Vbus Voltage Detector and Vbus Current Detector for monitoring power safety
  • Smart Auto-standby
    - Automatically entering deep power saving mode when connected interface is in idle state
  • GPIOs for Special Function and Control
    - 11 GPIOs for application customization and one I2C master interface
  • Physical
    - QFN 48 green package (6x6x0.85 mm)
  • Certification
    - TBD
  • Applications
    - Multi-port USB-C power brick with dynamic power management