BS EN 62680-1-3:2016:2017 Edition
$215.11
Universal serial bus interfaces for data and power – Universal Serial Bus interfaces. Common components. USB Type-CTM cable and connector specification
| Published By | Publication Date | Number of Pages |
| BSI | 2017 | 178 |
This specification is intended as a supplement to the existing USB 2.0, USB 3.1 and USB Power Delivery specifications. It addresses only the elements required to implement and support the USB Type-C receptacles, plugs and cables.
Normative information is provided to allow interoperability of components designed to this specification. Informative information, when provided, may illustrate possible design implementations.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 5 | FOREWORD |
| 7 | INTRODUCTION |
| 10 | CONTENTS |
| 18 | Specification Work Group Chairs / Specification Editors Specification Work Group Contributors |
| 20 | Pre-Release Draft Industry Reviewing Companies That Provided Feedback Revision History |
| 21 | 1 Introduction 1.1 Purpose 1.2 Scope |
| 22 | 1.3 Related Documents 1.4 Conventions 1.4.1 Precedence 1.4.2 Keywords |
| 23 | 1.4.3 Numbering |
| 24 | 1.5 Terms and Abbreviations |
| 25 | 2 Overview 2.1 Introduction |
| 26 | 2.2 USB Type-C Receptacles, Plugs and Cables Figures Figure 2-1 โ USB Type-C Receptacle Interface (Front View) Figure 2-2 โ USB Full-Featured Type-C Plug Interface (Front View) |
| 28 | 2.3 Configuration Process 2.3.1 DFP-to-UFP Attach/Detach Detection 2.3.2 Plug Orientation/Cable Twist Detection 2.3.3 Initial DFP-to-UFP (host-to-device) and Power Relationships Detection |
| 29 | 2.3.4 USB Type-C Vbus Current Detection and Usage |
| 30 | 2.3.5 USB PD Communication 2.3.6 Functional Extensions 2.4 Vbus Tables Table 2-1 โ Summary of power supply options |
| 31 | 2.5 Vconn 2.6 Hubs 3 Mechanical 3.1 Overview 3.1.1 Compliant Connectors 3.1.2 Compliant Cable Assemblies Table 3-1 โ USB Type-C Standard Cable Assemblies |
| 32 | 3.1.3 Compliant USB Type-C to Legacy Cable Assemblies 3.1.4 Compliant USB Type-C to Legacy Adapter Assemblies Table 3-2 โ USB Type-C Legacy Cable Assemblies |
| 33 | 3.2 USB Type-C Connector Mating Interfaces 3.2.1 Interface Definition Table 3-3 โ USB Type-C Legacy Adapter Assemblies |
| 35 | Figure 3-1 โ USB Type-C Receptacle Interface Dimensions |
| 37 | Figure 3-2 โ Reference Design USB Type-C Plug External EMC Spring Contact Zones |
| 38 | Figure 3-3 โ USB Full-Featured Type-C Plug Interface Dimensions |
| 41 | Figure 3-4 โ Reference Footprint for a USB Type-C Vertical Mount Receptacle (Informative) |
| 42 | Figure 3-5 โ Reference Footprint for a USB Type-C Dual-Row SMT Right Angle Receptacle (Informative) |
| 43 | Figure 3-6 โ Reference Footprint for a USB Type-C Hybrid Right-Angle Receptacle (Informative) |
| 44 | Figure 3-7 โ Reference Footprint for a USB Type-C Mid-Mount Dual-Row SMT Receptacle (Informative) |
| 45 | Figure 3-8 โ Reference Footprint for a USB Type-C Mid-Mount Hybrid Receptacle (Informative) |
| 46 | Figure 3-9 โ USB 2.0 Type-C Plug Interface Dimensions |
| 48 | 3.2.2 Reference Designs |
| 49 | Figure 3-10 โ Reference Design of Receptacle Mid-Plate |
| 50 | Figure 3-11 โ Reference Design of the Retention Latch Figure 3-12 โ Illustration of the Latch Soldered to the Paddle Card Ground |
| 51 | Figure 3-13 โ Reference Design of the USB Full-Featured Type-C Plug Internal EMC Spring |
| 52 | Figure 3-14 โ Reference Design of the USB 2.0 Type-C Plug Internal EMC Spring |
| 53 | Figure 3-15 โ Reference Design of Internal EMC Pad |
| 54 | Figure 3-16 โ Reference Design of a USB Type-C Receptacle with External EMC Springs |
| 55 | 3.2.3 Pin Assignments and Descriptions Figure 3-17 โ Reference Design for a USB Full-Featured Type-C Plug Paddle Card |
| 56 | Table 3-4 โ USB Type-C Receptacle Interface Pin Assignments |
| 57 | 3.3 Cable Construction and Wire Assignments 3.3.1 Cable Construction (Informative) Table 3-5 โ USB Type-C Receptacle Interface Pin Assignments for USB 2.0-only Support |
| 58 | 3.3.2 Wire Assignments Figure 3-18 โ Illustration of a USB Full-Featured Type-C Cable Cross Section, a Coaxial Wire Example with Vconn Figure 3-19 โ Illustration of a USB Full-Featured Type-C Cable Cross Section, a Coaxial Wire Example without Vconn |
| 59 | Table 3-6 โ USB Type-C Standard Cable Wire Assignments |
| 60 | 3.3.3 Wire Gauges and Cable Diameters (Informative) Table 3-7 โ USB Type-C Cable Wire Assignments for Legacy Cables/Adapters |
| 61 | 3.4 Standard USB Type-C Cable Assemblies 3.4.1 USB Full-Featured Type-C Cable Assembly Table 3-8 โ Reference Wire Gauges for standard USB Type-C Cable Assemblies Table 3-9 โ Reference Wire Gauges for USB Type-C to Legacy Cable Assemblies |
| 62 | Figure 3-20 โ USB Full-Featured Type-C Standard Cable Assembly Table 3-10 โ USB Full-Featured Type-C Standard Cable Assembly Wiring |
| 63 | 3.4.2 USB 2.0 Type-C Cable Assembly 3.4.3 USB Type-C Captive Cable Assemblies 3.5 Legacy Cable Assemblies Table 3-11 โ USB 2.0 Type-C Standard Cable Assembly Wiring |
| 64 | 3.5.1 USB Type-C to USB 3.1 Standard-A Cable Assembly 3.5.2 USB Type-C to USB 2.0 Standard-A Cable Assembly Figure 3-21 โ USB Type-C to USB 3.1 Standard-A Cable Assembly Table 3-12 โ USB Type-C to USB 3.1 Standard-A Cable Assembly Wiring |
| 65 | 3.5.3 USB Type-C to USB 3.1 Standard-B Cable Assembly Figure 3-22 โ USB Type-C to USB 2.0 Standard-A Cable Assembly Figure 3-23 โ USB Type-C to USB 3.1 Standard-B Cable Assembly Table 3-13 โ USB Type-C to USB 2.0 Standard-A Cable Assembly Wiring |
| 66 | 3.5.4 USB Type-C to USB 2.0 Standard-B Cable Assembly Figure 3-24 โ USB Type-C to USB 2.0 Standard-B Cable Assembly Table 3-14 โ USB Type-C to USB 3.1 Standard-B Cable Assembly Wiring |
| 67 | 3.5.5 USB Type-C to USB 2.0 Mini-B Cable Assembly Figure 3-25 โ USB Type-C to USB 2.0 Mini-B Cable Assembly Table 3-15 โ USB Type-C to USB 2.0 Standard-B Cable Assembly Wiring |
| 68 | 3.5.6 USB Type-C to USB 3.1 Micro-B Cable Assembly Figure 3-26 โ USB Type-C to USB 3.1 Micro-B Cable Assembly Table 3-16 โ USB Type-C to USB 2.0 Mini-B Cable Assembly Wiring |
| 69 | 3.5.7 USB Type-C to USB 2.0 Micro-B Cable Assembly Figure 3-27 โ USB Type-C to USB 2.0 Micro-B Cable Assembly Table 3-17 โ USB Type-C to USB 3.1 Micro-B Cable Assembly Wiring |
| 70 | 3.6 Legacy Adapter Assemblies 3.6.1 USB Type-C to USB 3.1 Standard-A Receptacle Adapter Assembly Table 3-18 โ USB Type-C to USB 2.0 Micro-B Cable Assembly Wiring |
| 71 | Figure 3-28 โ USB Type-C to USB 3.1 Standard-A Receptacle Adapter Assembly Table 3-19 โ USB Type-C to USB 3.1 Standard-A Receptacle Adapter Assembly Wiring |
| 72 | 3.6.2 USB Type-C to USB 2.0 Micro-B Receptacle Adapter Assembly 3.7 Electrical Characteristics Figure 3-29 โ USB Type-C to USB 2.0 Micro-B Receptacle Adapter Assembly Table 3-20 โ USB Type-C to USB 2.0 Micro-B Receptacle Adapter Assembly Wiring |
| 73 | 3.7.1 Raw Cable (Informative) Table 3-21 โ Differential Insertion Loss Examples for USB SuperSpeed with Twisted Pair Construction Table 3-22 โ Differential Insertion Loss Examples for USB SuperSpeed with Coaxial Construction |
| 74 | 3.7.2 Mated Connector (Normative) Figure 3-30 โ Illustration of USB Type-C Mated Connector Figure 3-31 โ Recommended Impedance Limits of a USB Type-C Mated Connector |
| 75 | Figure 3-32 โ Recommended Ground Void Dimensions for USB Type-C Receptacle Figure 3-33 โ Recommended Differential Insertion Loss Limits |
| 76 | Figure 3-34 โ Recommended Differential Return Loss Limits Figure 3-35 โ Recommended Differential Crosstalk Limits between SuperSpeed Pairs |
| 77 | Figure 3-36 โ Recommended Differential Near-End and Far-End Crosstalk Limits between D+/Dโ Pair and SuperSpeed Pairs Figure 3-37 โ Recommended Limits for Differential-to-Common-Mode Conversion |
| 78 | 3.7.3 USB Type-C to Type-C Passive Cable Assemblies (Normative) Figure 3-38 โ Illustration of Test Points for a Mated Cable Assembly Figure 3-39 โ Recommended Differential Insertion Loss Requirement |
| 79 | Figure 3-40 โ Recommended Differential Return Loss Requirement Figure 3-41 โ Recommended Differential Crosstalk Requirement |
| 80 | Figure 3-42 โ Recommended Differential Near-End and Far-End Crosstalk Requirement between USB D๏ซ/Dโ Pair and USB SuperSpeed Pair |
| 81 | Figure 3-43 โ Illustration of Insertion Loss Fit at Nyquist Frequency |
| 82 | Figure 3-44 โ Input Pulse Spectrum Figure 3-45 โ IMR Limit as Function of ILfitatNq |
| 84 | Figure 3-46 โ IRL Limit as Function of ILfitatNq Figure 3-47 โ Differential-to-Common-Mode Conversion Requirement |
| 85 | Figure 3-48 โ Requirement for Differential Coupling between CC and D+/Dโ Table 3-23 โ Coupling Matrix for Low Speed Signals |
| 86 | Figure 3-49 โ Requirement for Single-Ended Coupling between CC and Dโ in USB 2.0 Type-C Cables Figure 3-50 โ Requirement for Single-Ended Coupling between CC and Dโ in USB Full-Featured Type-C Cables |
| 87 | Figure 3-51 โ Requirement for Differential Coupling between Vbus and D+/Dโ Figure 3-52 โ Requirement for Single-Ended Coupling between SBU_A and SBU_B |
| 88 | Figure 3-53 โ Requirement for Single-Ended Coupling between SBU_A/SBU_B and CC Figure 3-54 โ Requirement for Coupling between SBU_A and differential D+/Dโ, and SBU_B and differential D๏ซ/Dโ |
| 89 | 3.7.4 USB Type-C to Legacy Cable Assemblies (Normative) Table 3-24 โ USB D+/Dโ Signal Integrity Requirements |
| 90 | Table 3-25 โ USB D+/Dโ Signal Integrity Requirements for USB Type-C to Legacy USB Cable Assemblies Table 3-26 โ Design Targets for USB Type-C to USB 3.1 Gen 2 Legacy Cable Assemblies (Informative) |
| 91 | Table 3-27 โ USB Type-C to USB 3.1 Gen 2 Legacy Cable Assembly Signal Integrity Requirements (Normative) |
| 92 | 3.7.5 USB Type-C to USB Legacy Adapter Assemblies (Normative) Figure 3-55 โ IMR Limit as Function of ILfitatNq for USB Type-C to Legacy Cable Assembly Figure 3-56 โ IRL Limit as Function of ILfitatNq for USB Type-C to Legacy Cable Assembly |
| 93 | Table 3-28 โ USB D+/Dโ Signal Integrity Requirements for USB Type-C to Legacy USB Adapter Assemblies (Normative) Table 3-29 โ Design Targets for USB Type-C to USB 3.1 Standard-A Adapter Assemblies (Informative) |
| 94 | 3.7.6 Shielding Effectiveness Requirements (Normative) Table 3-30 โ USB Type-C to USB 3.1 Standard-A Receptacle Adapter Assembly Signal Integrity Requirements (Normative) |
| 95 | 3.7.7 DC Electrical Requirements (Normative) Figure 3-57 โ Cable Assembly Shielding Effectiveness Testing Figure 3-58 โ Shielding Effectiveness Pass/Fail Criteria |
| 96 | 3.8 Mechanical and Environmental Requirements (Normative) Figure 3-59 โ LLCR Measurement Diagram |
| 97 | 3.8.1 Mechanical Requirements |
| 98 | Figure 3-60 โ 4-Axis Continuity Test |
| 99 | Figure 3-61 โ Reference Wrenching Strength Continuity Test Fixture Figure 3-62 โ Example of Wrenching Strength Test Mechanical Failure Point |
| 100 | 3.8.2 Environmental Requirements Figure 3-63 โ Wrenching Strength Test with Cable in Fixture Table 3-31 โ Environmental Test Conditions |
| 101 | 3.9 Docking Applications (Informative) Table 3-32 โ Reference Materials |
| 102 | 3.10 Implementation Notes and Design Guides 3.10.1 EMC Management (Informative) Figure 3-64 โ USB Type-C Cable Receptacle Flange Example |
| 103 | Figure 3-65 โ EMC Guidelines for Side Latch and Mid-plate Figure 3-66 โ EMC Finger Connections to Plug Shell |
| 104 | 3.10.2 Stacked and Side-by-Side Connector Physical Spacing (Informative) Figure 3-67 โ EMC Pad Connections to Receptacle Shell Figure 3-68 โ Examples of Connector Apertures |
| 105 | 3.10.3 Cable Mating Considerations (Informative) Figure 3-69 โ Recommended Minimum Spacing between Connectors Figure 3-70 โ Recommended Minimum Plug Overmold Clearance Figure 3-71 โ Cable Plug Overmold and an Angled Surface |
| 106 | 4 Functional 4.1 Signal Summary 4.2 Signal Pin Descriptions 4.2.1 SuperSpeed USB Pins Table 4-1 โ USB Type-C List of Signals |
| 107 | 4.2.2 USB 2.0 Pins 4.2.3 Auxiliary Signal Pins 4.2.4 Power and Ground Pins 4.2.5 Configuration Pins 4.3 Sideband Use (SBU) 4.4 Power and Ground 4.4.1 IR Drop |
| 108 | 4.4.2 VBUS Figure 4-1 โ Cable IR Drop Figure 4-2 โ Cable IR Drop for powered cables |
| 109 | 4.4.3 VCONN Table 4-2 โ Vbus Leakage Table 4-3 โ Vconn Source Characteristics |
| 110 | 4.5 Configuration Channel (CC) 4.5.1 Architectural Overview Table 4-4 โ Vconn Sink Characteristics |
| 111 | Figure 4-3 โ Logical Model for Data Bus Routing across USB Type-C-based Ports |
| 112 | Figure 4-4 โ Logical Model for USB Type-C-based Ports for the Direct Connect Device Table 4-5 โ USB Type-C-based Port Interoperability |
| 113 | Figure 4-5 โ Pull-Up/Pull-Down CC Model Figure 4-6 โ Current Source/Pull-Down CC Model |
| 114 | Table 4-6 โ Source Perspective |
| 115 | Table 4-7 โ Source and Sink Behaviors by State |
| 116 | Figure 4-7 โ DFP Functional Model for CC1 and CC2 |
| 117 | Figure 4-8 โ DFP Functional Model Supporting USB PD Provider/Consumer Figure 4-9 โ UFP Functional Model for CC1 and CC2 |
| 118 | Figure 4-10 โ UFP Functional Model Supporting USB PD Consumer/Provider and Vconn_Swap Figure 4-11 โ DRP Functional Model for CC1 and CC2 |
| 119 | 4.5.2 CC Functional and Behavioral Requirements Table 4-8 โ USB PD Swapping Port Behavior Summary |
| 120 | Figure 4-12 โ Connection State Diagram: Source |
| 121 | Figure 4-13 โ Connection State Diagram: Sink |
| 122 | Figure 4-14 โ Connection State Diagram: Sink with Accessory Support |
| 123 | Figure 4-15 โ Connection State Diagram: DRP |
| 124 | Figure 4-16 โ Connection State Diagram: DRP with Accessory and Try.SRC Support |
| 125 | Table 4-9 โ Source Port CC Pin State Table 4-10 โ Sink Port CC Pin State |
| 135 | Figure 4-17 โ Sink Power Sub-States |
| 137 | 4.5.3 USB Port Interoperability Behavior Table 4-11 โ Mandatory and Optional States |
| 138 | Figure 4-18 โ DFP to UFP Functional Model |
| 139 | Figure 4-19 โ DFP to DRP Functional Model |
| 140 | Figure 4-20 โ DRP to UFP Functional Model |
| 141 | Figure 4-21 โ DRP to DRP Functional Model โ CASE 1 |
| 142 | Figure 4-22 โ DRP to DRP Functional Model โ CASE 2 |
| 143 | Figure 4-23 โ DFP to DFP Functional Model |
| 144 | Figure 4-24 โ UFP to UFP Functional Model Figure 4-25 โ DFP to Legacy Device Port Functional Model |
| 145 | Figure 4-26 โ Legacy Host Port to UFP Functional Model |
| 146 | Figure 4-27 โ DRP to Legacy Device Port Functional Model |
| 147 | 4.6 Power Figure 4-28 โ Legacy Host Port to DRP Functional Model |
| 148 | 4.6.1 Power Requirements during USB Suspend 4.6.2 Vbus Power Provided Over a USB Type-C Cable Table 4-12 โ Precedence of power source usage |
| 150 | Figure 4-29 โ UFP Monitoring for Current in Pull-Up/Pull-Down CC Model Figure 4-30 โ UFP Monitoring for Current in Current Source/Pull-Down CC Model |
| 151 | 4.6.3 Supporting USB PD BFSK in Addition to USB PD BMC Figure 4-31 โ USB PD over CC Pins Figure 4-32 โ USB PD BMC Signaling over CC |
| 152 | 4.7 USB Hubs 4.8 Chargers 4.8.1 DFP as a Power Source Figure 4-33 โ Example implementation of CC input protection in a UFP |
| 153 | 4.8.2 Non-USB Charging Methods |
| 154 | 4.8.3 Sinking DFP 4.8.4 Charging UFP 4.8.5 Charging a System with a Dead Battery 4.9 Electronically Marked Cables |
| 155 | Figure 4-34 โ Electronically Marked Cable with Vconn connected through the cable Figure 4-35 โ Electronically Marked Cable with SOPโ at both ends |
| 156 | 4.10 Vconn-Powered Accessories 4.11 Parameter Values 4.11.1 Termination Parameters Table 4-13 โ DFP CC Termination (Rp) Requirements |
| 157 | 4.11.2 Timing Parameters Table 4-14 โ UFP CC Termination (Rd) Requirements Table 4-15 โ Powered Cable Termination Requirements Table 4-16 โ UFP CC Termination Requirements Table 4-17 โ SBU Termination Requirements |
| 158 | Figure 4-36 โ DRP Timing Table 4-18 โ Vbus and Vconn Timing Parameters |
| 159 | 4.11.3 Voltage Parameters Table 4-19 โ DRP Timing Parameters Table 4-20 โ CC Timing Table 4-21 โ CC Voltages on Source Side โ Default USB Table 4-22 โ CC Voltages on Source Side โ 1,5 A @ 5 V |
| 160 | 4.12 Summary of Ports by Product Type Table 4-23 โ CC Voltages on Source Side โ 3,0 A @ 5 V Table 4-24 โ Voltage on Sink CC Pins (Default USB Type-C Current only) Table 4-25 โ Voltage on Sink CC pins (Multiple Source Current Advertisements) |
| 162 | Table 4-26 โ Summary of Ports and Behaviors by Product Type |
| 163 | 5 Functional Extensions 5.1 Alternate Modes 5.1.1 Alternate Mode Architecture 5.1.2 Alternate Mode Requirements |
| 164 | Figure 5-1 โ Pins Available for Reconfiguration over the Full-Featured Cable Figure 5-2 โ Pins Available for Reconfiguration for Direct Connect Applications |
| 165 | 5.1.3 Parameter Values 5.1.4 Example Alternate Mode โ USB/PCIe Dock Table 5-1 โ USB Safe State Electrical Requirements Table 5-2 โ USB Billboard Device Class Availability Following Alternate Mode Entry Failure Table 5-3 โ Alternate Mode Signal Noise Ingression Requirements |
| 166 | Figure 5-3 โ USB/PCIe Dock Example |
| 168 | 5.2 Managed Active Cables 5.2.1 Requirements for Managed Active Cables that respond to SOPโ and SOPโ |
| 169 | Figure 5-4 โ Managed Active Cable Plug SOPโ and SOPโ Assignment Figure 5-5 โ Managed Active Cable |
| 170 | 5.2.2 Cable Message Structure 5.2.3 Modal Cable Management Table 5-4 โ SOPโ and SOPโ Timing |
| 171 | A Audio Adapter Accessory Mode A.1 Overview A.2 Detail |
| 172 | A.3 Electrical Requirements Table A.1 โ USB Type-C Analog Audio Pin Assignments |
| 173 | Table A.2 โ USB Type-C Analog Audio Pin Electrical Parameter Ratings |
| 174 | A.4 Example Implementations A.4.1 Passive 3,5 mm to USB Type-C Adapter โ Single Pole Detection Switch A.4.2 3,5 mm to USB Type-C Adapter Supporting 500 mA Charge-Through Figure A.1 โ Example Passive 3,5 mm to USB Type-C Adapter |
| 175 | Figure A.2 โ Example 3.5 mm to USB Type-C Adapter Supporting 500 mA Charge-Through |
| 176 | B Debug Accessory Mode |
