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Introduction USB Type-C® (USB-C®) is an industry-standard connector that enables the transmission of both data and power on a single interface. USB Power Delivery (PD) is a standard using the USB-C connector to increase the capabilities and features of the USB-C interface. With USB Power Delivery, you can now transmit up to 240W of power and up to 80Gbps of data at the same time. You can also implement predefined alternate modes such as DisplayPort™ and Thunderbolt to support video and other advanced features. This e-book offers an introduction to USB Type-C and USB Power Delivery, examining various applications and their data and power requirements, and helping you understand the entire system view for implementing USB Type-C and USB Power Delivery. Table of Contents Introduction................................................................................................................................................................................................. 2 Basics of USB Type-C®..............................................................................................................................................................................4 Abstract.................................................................................................................................................................................................... 5 USB-C data speeds and power levels..................................................................................................................................................... 5 Data and power roles............................................................................................................................................................................... 5 USB-C pinout and reversibility................................................................................................................................................................. 6 USB-C cable detection and orientation................................................................................................................................................... 8 When do you need a USB PD controller?................................................................................................................................................ 8 History of USB Type-C®............................................................................................................................................................................. 9 Abstract.................................................................................................................................................................................................. 10 USB connector basics............................................................................................................................................................................10 USB and USB PD protocol history......................................................................................................................................................... 11 USB-C vs. USB PD................................................................................................................................................................................ 14 Evolution of the USB PD 3.1 specification............................................................................................................................................. 15 Introduction and Overview of the USB Type-C® and USB PD Specifications.......................................................................................16 Abstract.................................................................................................................................................................................................. 17 USB-C connections................................................................................................................................................................................17 VCONN and messaging
types................................................................................................................................................................18 Negotiating USB PD power over CC wires............................................................................................................................................ 20 Data-role swaps..................................................................................................................................................................................... 22 Power-role swaps................................................................................................................................................................................... 24 Introduction to USB PD alternate mode.................................................................................................................................................25 Introduction to EPR................................................................................................................................................................................ 26 USB signals over USB Type-C®...............................................................................................................................................................27 Introduction............................................................................................................................................................................................ 28 USB 2.0 Signaling Over Type-C............................................................................................................................................................. 28 Low speed and full speed...................................................................................................................................................................... 28 High speed............................................................................................................................................................................................. 28 Low-, full- and high-speed data rates.................................................................................................................................................... 29 USB 2.0 signal integrity.......................................................................................................................................................................... 29 SuperSpeed Signaling over USB-C........................................................................................................................................................29 SuperSpeed startup speed negotiation..................................................................................................................................................30 SuperSpeed signal integrity challenges................................................................................................................................................. 30 Signal Multiplexing for USB Type-C®...................................................................................................................................................... 31 USB-C USB 2.0...................................................................................................................................................................................... 32 USB-C USB 3......................................................................................................................................................................................... 32 USB PD DisplayPort™ alternate mode multiplexing..............................................................................................................................32
DisplayPort source device (DFP_D) pin assignment C...........................................................................................................................33 DisplayPort source device (DFP_D) pin assignment D...........................................................................................................................34 DisplayPort source device (DFP_D) pin assignment E........................................................................................................................... 34 DisplayPort sink device (UFP_D) pin assignment C............................................................................................................................... 35 DisplayPort sink device (UFP_D) pin assignment D............................................................................................................................... 35 DisplayPort sink device (UFP_D) pin assignment E............................................................................................................................... 36 USB4 .........................................................................................................................................................................................................37 USB4 Overview...................................................................................................................................................................................... 38 USB4 discover and entry process..........................................................................................................................................................38 https://www.ti.com/ Introduction 2 November 2024 USB4 System......................................................................................................................................................................................... 38 Sideband Communication...................................................................................................................................................................... 40 USB4 lanes and data rates.....................................................................................................................................................................41 Loss Budget........................................................................................................................................................................................... 41 Supporting DisplayPort Alternate Mode and USB4 over SBU1 and SBU2........................................................................................... 42 Introduction to eUSB2.............................................................................................................................................................................. 43 Abstract.................................................................................................................................................................................................. 44 eUSB2 overview..................................................................................................................................................................................... 44 eUSB2 modes........................................................................................................................................................................................ 44 Other features.........................................................................................................................................................................................46 Extended Power Range