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Our Solution, Your Success!

Enabling SuperSpeed+ USB and Beyond

EOL Products

EOL Products

VL101 - Enhanced DisplayPort Alt-mode & PD Controller for USB-C Devices

EOL Products

Description


 
VIA Lab’s VL101 is a highly integrated single chip DisplayPort Alternate mode and Power Delivery controller for USB-C devices that designed for applications like USB-C video adapters, USB-C TV/monitor/projector, and USB-C multi-function docking stations. Integrated USB-C charging UFP, VL101 can perform DP alt-mode video out functionality and simultaneously enable charging connected PD host once external power is detected. Integrated USB-C DRP can either connect to USB-C power adapter to charge PD host or connect to USB-C devices to do data transfer. VL101’s Device Policy Manager could negotiate power profiles with PD engine on USB-C power adapter (source) and PD engine on connected PD host (sink) then enable power charging-through. Charging a host under dead battery mode is supported as well. SBU1/SBU2 switch is built-in to support USB-C cable flipping feature. USB Billboard device is implemented to meet “VESA DP Alt-Mode on USB Type-C” spec.

Built-in required linear voltage regulators and power source detector, VL101 can work perfectly with power input either from Vconn power or from Vbus power. Built-in 5V to 1.8V/1.2V DC-DC converter is designed to provide core power for video converter to save BOM. Up to 11 GPIO pins and two voltage detector pins are available for port power detection, power discharge control, power switch control, data switch control, or other special application usage. The SPI interface can support external flash for firmware upgrades through USB Billboard device. VL101 is available in QFN 48L (6x6x0.85 mm) and QFN 40L (5x5x0.85 mm) green packages to fit small form-factor design.

Block Diagram

Key Features

  • CC Logic & PD Engine supporting one charging UFP and one DRP
    – Compliant to USB Type-C Cable and Connector Specification Revision 1.1
    – Compliant to USB Power Delivery Specification Revision 2.0 Version 1.1
    – Integrated Type-C transceivers, supporting one charging UFP and one DRP
    – Built-in pull-up/pull down resistors, including Rp, Rd, and Ra
  • DP Alt-mode Configuration
    – Compliant to VESA DisplayPort Alt Mode on USB Type-C Standard Version 1.0a
    – DP mode Discovery/Enter/Exit
    – DP configure & status update
    – DP source/sink connection detection
    – Built-in Aux_CH switch
  • USB-C Charging UFP Capability
    – Charging connected PD hosts once external power is available
    – Supports Provider and Consumer roles
    – Supports up to PD power Profile 5 as Source
    – Supports charging dead battery
  • USB-C DRP Capability
    – Supports Provider and Consumer roles
    – Supports up to PD power Profile 5 as Sink and 5V up to 3A as Source
  • USB Billboard Device
    – Compliant to USB Device Class Definition for Billboard Devices Revision 1.1
    – Integrated in-house USB2.0 PHY
  • Fast 8051 Macro cell 80C32-Compatible Microcontroller
    – Standard 1T 8051 instruction set
    – Embedded Mask ROM and SRAM
    – Support external SPI flash for firmware upgrade
  • Built-in Voltage Regulators and Voltage Detector
    – 5.0V to 3.3V LDO & 3.3V to 1.8V LDO
    – 5.0V to 1.8V/1.2V DC-DC to supply power for video converter
    – Auto power source selection between Vbus and Vconn
    – Vbus Voltage Detector for both USB-C ports
  • GPIOs for Special Function and Control
    – 11 GPIOs in QFN48 and 7 GPIOs in QFN40 for application customization
    – One I2C master interface
  • Physical
    – QFN 48 green package (6x6x0.85 mm) for VL101-Q4, VL101R-Q4, and VL101D-Q4
    – QFN 40 green package (5x5x0.85 mm) for VL101-T4
  • Certification
    – TID: 1099008
  • Applications
    – USB-C video adapters
    – USB-C Multi-function docks
    – USB-C TV, monitor, and projector