Part 1: USB Type-C Interconnect

• Evolution of USB Cables, Speed and Power
  • New USB Type-C cables and Receptacles
  • Smaller, Thinner, Lighter Receptacles, Plugs & Cables
  • Higher Speeds: USB 3.1 Gen 1 (5Gb/s) and Gen 2 (10Gb/s)
  • Power Distribution—Ranging from 5V@100 mA (5W) to 20V@5A (100W)
• Introduction to USB Type-C Interconnects
  • USB Type-C Receptacle
  • USB Full-Featured Type-C Plug
  • Flexible Cable and Plug Orientation
• USB Type-C Receptacles, Plugs and Cables
  • USB Full-Featured Type-C cable and Type-C plugs at both ends, for USB 3.1 and full-featured applications
  • USB 2.0 Type-C cable with a USB 2.0 Type-C plug at both ends for USB 2.0 applications
  • Captive cable with either a USB Full-Featured Type-C plug or USB 2.0 Type-C plug at one end
  • USB Type-C to USB Legacy Cables/Adaptor (7 Cables/2 Adapters)
• Summary of Type-C Functional Characteristics
  • Signal Group Summary
  • Special Considerations For USB 3.x Hubs Supporting Type-C
    • No Implementation or Forwarding of Alternate Modes or Accessory Mode Traffic
    • No SBU Signal Support (on any port)
    • Must Implement an UFP with Charging Capability (Can Source VBUS)
    • No Dual Role Port Support on Hub DFP
  • Chargers
• Functional Extensions
  • Billboard
  • Alternate Modes
  • Audio Adapter Accessory Model

 

Part 2: USB Power Delivery (PD)

• Overview
  • Provides For Port Negotiation of Voltage/Current and Power Direction
  • USB Power Delivery Devices
  • PD Source/Sink Definitions
  • Services Provided By Cable PD Electronics
  • Default USB Power Delivery Used Initially
• Power Delivery Profiles
  • Defined for VBUS Source
  • Standardizes Number of Valid Voltage/Current Ranges
  • The Five Defined PD Profiles
• PD Layered Communications Stack Overview
  • System Policy Manager
  • Device Policy Manager
  • Policy Engine
  • Protocol Layer
  • Physical Layer
• Discovery of Power Delivery Capabilities
  • For the PD Cable
  • For the Facing Port
• Power Delivery Contract Overview
  • Explicit Contracts
  • Implicit Contracts
• Power Delivery (PD) Messages
  • Needed for Port-to-Cable Plug Communications
  • Needed for Port-to-Port Communications
  • SOP Communications Model
  • Signaled Using VBUS BFSK or CC (Communication Channel Wire)
  • VBUS BFSK and CC Signaling Basics
  • PD Control Messages
  • PD Data Messages
• Establishing An Explicit Power Delivery Contract
  • General Downstream Facing Port (DFP) and Upstream Facing Port (UFP) Behavior
  • The Sequence of Events
    • At Attachment
    • Detecting Cable capabilities
    • Establishing Power Delivery (PD) Connection
    • Negotiating a Contract
• While The Explicit Power Delivery Contract Is In Effect
  • Messages and Responses Exchanged
  • Power Role Swap
  • Ping
  • Errors, Reset, Other Special Cases
• USB Interface Required To Manage Power Delivery
  • Allows System to Fetch Power Delivery Capabilities and Dynamic Status Information
  • System-level Coordination of USB Power Delivery
  • A Number of new PDUSB Descriptors and Requests needed for PD-capable Peripheral Devices and Hubs
  • Two Special Hub Class Requests enable Host to Request PD Port to Send/Receive a Vendor Device Message (VDM) using SOP Signaling