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Our Solution, Your Success!

Enabling SuperSpeed+ USB and Beyond

Products

VL818 - USB 3.2 5Gbps Hub Controller

Description

VIA Lab’s VL818 is a modern USB 3.2 SuperSpeed USB 5Gbps Hub Controller, featuring an optimized cost-structure and full compliance with USB 3.2 specification including ECNs and Compliance Testing Updates to date. VL818 is offered in both 2-port and 4-port configurations, and features integrated voltage regulators, new lower-power design, and comprehensive USB Charging support. VL818 supports any combination of SuperSpeed (5Gbps), High Speed (480Mbps), Full Speed (12Mbps), and Low Speed (1.5Mbps) devices. The integrated 5V DC-DC switching regulator enables VL818 to be powered directly from 5V USB VBus, reducing BOM cost while offering high power efficiency.

Block Diagram

Key Features

  • USB 3.2 Compliant
    - Compliant to Universal Serial Bus 3.2 Specification; Meets all USB 3.2 ECNs and Compliance Testing Updates to date.
    - Compliant to Universal Serial Bus 2.0 Specification, USB 2.0 Hub Supports STT
    - Supports Simultaneous Operation of Any Combination of SuperSpeed, High-Speed, Full-Speed, and Low-Speed Devices
    - Supports USB Power Saving Features such as Link Power Management, Ux States, Selective Suspend, and Function Suspend
    - In-house USB PHY employs advanced CMOS process for low power consumption
  • Certification
    - Earned USB 3.2 SuperSpeed USB 5Gbps certification TID# 4472
  • Integrated USB Devices
    - USB Billboard Class 1.1 Device (Optional / Configure by I2C or EEPROM)
    - Implemented as a USB 2.0 Virtual Device
    - Configurable for USB PD Accessory Support (Co-work with VL10X)
  • Full Sideband Signal Support
    - Gang Mode for USB Battery Charging Support on All Ports
    - Supports PWM LED Status Lights
    - Easy Management through I2C/ EEPROM
  • Comprehensive USB Battery Charging Support
    - Supports USB Battery Charging Specification v1.2 (SDP, CDP)
    - Supports Stand-Alone Charging when System is Suspend, Shut Down, or Disconnected
    - Any Combination of DFPs can be Configured to Support USB Battery Charging
  • Power and Package
    - Requires 3.3V and 1.1V Inputs
    - 25MHz Xtal
    - Integrated Voltage Regulators Generate All Required Voltages from 5V Input
    - 5V to 1.1V Switching DC-DC Regulator
    - 5V to 3.3V LDO Regulator
    - QFN 56 green package (7x7x0.85 mm)
    - QFN 40 green package (5x5x0.85 mm)