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Enabling SuperSpeed+ USB and Beyond

Products

VL106 - DP Alt-mode & USB PD 3.0 Controller with Buck Controller for USB-C Devices

Description

VIA Lab’s VL106 is a highly integrated single chip DisplayPort Alt-mode and USB Power Delivery 3.0 controller for USB-C devices designed for USB-C multi-function docks with charge through function. Integrated USB-C charging UFP, VL106 can perform DP alt-mode video output functionality and simultaneously charging connected PD host once external power source is detected. Integrated second USB-C DRP can either connect to USB-C power adapter to charge PD host or connect to USB-C devices to access data transfer. A D+/D- charging ePHY is integrated to support chargers using D+/D- pins to do power protocol handshake and then converted to USB PD protocol. VL106’s Device Policy Manager could negotiate power rules between its DFP and UFP then enable power charge through. Charging a host under dead battery mode and PD3.0 fast role swap are supported. DP AUX channel to USB-C SBU1/SBU2 switch is built-in to meet DP Alt-mode AUX channel resistance requirement. USB Billboard device function is built-in to meet “VESA DP Alt-Mode on USB Type-C” spec. VL106 also support smart auto-standby that automatically entering deep power saving mode when connected interface is in idle state.
 
Adopting HV process, 20V-to-5V Buck controller with bypass mode is built-in to provide 5V power for system use. CC pins and SBU pins can tolerate to 22V in system level. Comparator based voltage detector and Vbus current detector can instantly monitor USB PD power safety. Built-in trimmed RC oscillator, linear voltage regulators, three NFET gate drivers, VL106 can work perfectly without external buck-boost circuitry to perform USB PD charge through function. 8 GPIO pins are available for specific application usage and muxed with one I2C Master and one I2C Slave interface. The SPI interface can support external SPI flash or sharing SPI flash with VLI Hub controller for firmware upgrade. VL106 is available in QFN 48L (6x6x0.85 mm).

Block Diagram

Key Features

  • CC Logic & PD 3.0 Engine
    - Compliant to USB Type-C Cable and Connector Specification Revision 2.0
    - Compliant to USB Power Delivery Specification Revision 3.0 Version 1.2
    - Integrated Type-C transceivers, supporting one charging UFP and one DRP DFP
    - Built-in pull-up/pull down resistors, including Rp, Rd, and Ra
    - Built-in Vconn power switch /li>
  • DP Alt-mode Configuration
    - Compliant to VESA DisplayPort Alt Mode on USB Type-C Standard Version 2.0
    - DP mode Discovery/Enter/Exit; DP configure, status update, source/sink connection detection
    - Built-in AUX CH switch to meet DP Alt-mode AUX channel resistance requirement
  • USB-C Charging UFP Capability
    - Charging connected PD hosts once external power is available
    - Support Provider and Consumer roles
    - Support PD Power Rule up to 100W
    - Support dead battery charging and PD3.0 Fast Role Swap
  • USB-C DRP DFP Capability
    - Support Provider and Consumer roles
    - Support PD Power Rule up to 100W as Sink and 15W as Source
    - Built-in D+/D- Charging ePHY for chargers using D+/D- as protocol handshake, including QC-to-PD charge-through
  • USB Interface and USB Billboard Device
    - USB Billboard compliant to USB Device Class Definition for Billboard Devices Revision 1.21
    - Integrated in-house USB2.0 Full-speed PHY
    - Built-in USB HS data switch; DP_U/DM_U can be directed to USB Billboard or to DP_D/DM_D
  • 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
  • HV Process and Built-in Buck Controller, Oscillator, Voltage Regulators, Voltage and Current Detectors
    - Adopting HV process; CC pins and SBU pins can tolerate up to 22V in system
    - Built-in 20V-to-5V DC-to-DC buck controller with bypass mode for powering system and Hub DFPs
    - Built-in trimmed RC oscillator
    - Built-in 5V-to-3.3V LDO and 3.3V-to-1.8V LDO
    - Built-in 20V-to-5V LDO for VL106 chip use
    - Built-in three NFET gate drivers for Vbus power control and Hub power control
    - Instant Vbus Voltage Detector and Vbus Current Detector for monitoring power safety; OVP: 8 voltage levels with 15%+-5% and 25%+-5% threshold (maximum voltage up to 23V); OCP: 64 current levels with 75mA resolution from 900mA to 5.5A
  • Smart Auto-standby
    - Automatically entering deep power saving mode when connected interface is in idle state
  • GPIOs for Special Function and Control
    - 8 GPIOs for application customization and muxed with one I2C Master and one I2C Slave interface
  • Physical
    - QFN 48 green package (6x6x0.85 mm)
  • Certification
    - USB-IF USB PD 3.0 Certification TID: 4119
  • Applications
    - USB-C Video charge through dongle and Multi-function dongle