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BS EN IEC 62680-1-3:2018 – TC:2020 Edition

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Tracked Changes. Universal serial bus interfaces for data and power – Common components. USB Type-CTM Cable and Connector Specification

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BSI 2020 617
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IEC 62680-1-3:2018 defines the USB Type-C™ receptacles, plug and cables. The USB Type-C Cable and Connector Specification defines a new receptacle, plug, cable and detection mechanisms that are compatible with existing USB interface electrical and functional specifications.  This specification covers the following aspects that are needed to produce and use this new USB cable/connector solution in newer platforms and devices, and that interoperate with existing platforms and devices: – USB Type-C receptacles, including electro-mechanical definition and performance requirements – USB Type-C plugs and cable assemblies, including electro-mechanical definition and performance requirements – USB Type-C to legacy cable assemblies and adapters – USB Type-C-based device detection and interface configuration, including support for legacy connections – USB Power Delivery optimized for the USB Type-C connector. 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. This third edition cancels and replaces the second edition published in 2017 and constitutes a technical revision.

PDF Catalog

PDF Pages PDF Title
355 undefined
358 FOREWORD
360 INTRODUCTION
363 CONTENTS
376 1 Introduction
1.1 Purpose
1.2 Scope
377 1.3 Related Documents
1.4 Conventions
1.4.1 Precedence
1.4.2 Keywords
378 1.4.3 Numbering
1.5 Terms and Abbreviations
381 2 Overview
2.1 Introduction
382 2.2 USB Type-C Receptacles, Plugs and Cables
Figures
Figure 2-1 USB Type-C Receptacle Interface (Front View)
Figure 2-2 USB Full-Featured Type-C Plug Interface (Front View)
384 2.3 Configuration Process
2.3.1 Source-to-Sink Attach/Detach Detection
2.3.2 Plug Orientation/Cable Twist Detection
385 2.3.3 Initial Power (Source-to-Sink) Detection and Establishing the Data (Host-to-Device) Relationship
386 2.3.4 USB Type-C Vbus Current Detection and Usage
2.3.5 USB PD Communication
2.3.6 Functional Extensions
387 2.4 Vbus
2.5 Vconn
Table 2-1 Summary of power supply options
388 2.6 Hubs
3 Mechanical
3.1 Overview
3.1.1 Compliant Connectors
3.1.2 Compliant Cable Assemblies
3.1.3 Compliant USB Type-C to Legacy Cable Assemblies
Tables
Table 3-1 USB Type-C Standard Cable Assemblies
389 3.1.4 Compliant USB Type-C to Legacy Adapter Assemblies
Table 3-2 USB Type-C Legacy Cable Assemblies
390 3.2 USB Type-C Connector Mating Interfaces
3.2.1 Interface Definition
Table 3-3 USB Type-C Legacy Adapter Assemblies
393 Figure 3-1 USB Type-C Receptacle Interface Dimensions
396 Figure 3-2 Reference Design USB Type-C Plug External EMC Spring Contact Zones
397 Figure 3-3 USB Full-Featured Type-C Plug Interface Dimensions
400 Figure 3-4 Reference Footprint for a USB Type-C Vertical Mount Receptacle (Informative)
401 Figure 3-5 Reference Footprint for a USB Type-C Dual-Row SMT Right Angle Receptacle (Informative)
402 Figure 3-6 Reference Footprint for a USB Type-C Hybrid Right-Angle Receptacle (Informative)
403 Figure 3-7 Reference Footprint for a USB Type-C Mid-Mount Dual-Row SMT Receptacle (Informative)
404 Figure 3-8 Reference Footprint for a USB Type-C Mid-Mount Hybrid Receptacle (Informative)
405 Figure 3-9 Reference Footprint for a USB 2.0 Type-C Through Hole Right Angle Receptacle (Informative)
406 Figure 3-10 Reference Footprint for a USB 2.0 Type-C Single Row Right Angle Receptacle (Informative)
408 Figure 3-11 USB 2.0 Type-C Plug Interface Dimensions
411 Figure 3-12 USB Type-C Plug EMC Shielding Spring Tip Requirements
412 3.2.2 Reference Designs
Figure 3-13 Reference Design of Receptacle Mid-Plate
413 Figure 3-14 Reference Design of the Retention Latch
Figure 3-15 Illustration of the Latch Soldered to the Paddle Card Ground
414 Figure 3-16 Reference Design of the USB Full-Featured Type-C Plug Internal EMC Spring
415 Figure 3-17 Reference Design of the USB 2.0 Type-C Plug Internal EMC Spring
417 Figure 3-18 Reference Design of Internal EMC Pad
418 Figure 3-19 Reference Design of a USB Type-C Receptacle with External EMC Springs
419 Figure 3-20 Reference Design for a USB Full-Featured Type-C Plug Paddle Card
420 3.2.3 Pin Assignments and Descriptions
Table 3-4 USB Type-C Receptacle Interface Pin Assignments
421 3.3 Cable Construction and Wire Assignments
3.3.1 Cable Construction (Informative)
Table 3-5 USB Type-C Receptacle Interface Pin Assignments for USB 2.0-only Support
422 Figure 3-21 Illustration of a USB Full-Featured Type-C Cable Cross Section,a Coaxial Wire Example with Vconn
Figure 3-22 Illustration of a USB Full-Featured Type-C Cable Cross Section,a Coaxial Wire Example without Vconn
423 3.3.2 Wire Assignments
Table 3-6 USB Type-C Standard Cable Wire Assignments
424 3.3.3 Wire Gauges and Cable Diameters (Informative)
Table 3-7 USB Type-C Cable Wire Assignments for Legacy Cables/Adapters
425 Table 3-8 Reference Wire Gauges for standard USB Type-C Cable Assemblies
Table 3-9 Reference Wire Gauges for USB Type-C to Legacy Cable Assemblies
426 3.4 Standard USB Type-C Cable Assemblies
3.4.1 USB Full-Featured Type-C Cable Assembly
Figure 3-23 USB Full-Featured Type-C Standard Cable Assembly
427 3.4.2 USB 2.0 Type-C Cable Assembly
Table 3-10 USB Full-Featured Type-C Standard Cable Assembly Wiring
428 3.4.3 USB Type-C Captive Cable Assemblies
3.5 Legacy Cable Assemblies
Table 3-11 USB 2.0 Type-C Standard Cable Assembly Wiring
429 3.5.1 USB Type-C to USB 3.1 Standard-A Cable Assembly
Figure 3-24 USB Type-C to USB 3.1 Standard-A Cable Assembly
430 Table 3-12 USB Type-C to USB 3.1 Standard-A Cable Assembly Wiring
431 3.5.2 USB Type-C to USB 2.0 Standard-A Cable Assembly
Figure 3-25 USB Type-C to USB 2.0 Standard-A Cable Assembly
Table 3-13 USB Type-C to USB 2.0 Standard-A Cable Assembly Wiring
432 3.5.3 USB Type-C to USB 3.1 Standard-B Cable Assembly
Figure 3-26 USB Type-C to USB 3.1 Standard-B Cable Assembly
433 Table 3-14 USB Type-C to USB 3.1 Standard-B Cable Assembly Wiring
434 3.5.4 USB Type-C to USB 2.0 Standard-B Cable Assembly
Figure 3-27 USB Type-C to USB 2.0 Standard-B Cable Assembly
Table 3-15 USB Type-C to USB 2.0 Standard-B Cable Assembly Wiring
435 3.5.5 USB Type-C to USB 2.0 Mini-B Cable Assembly
Figure 3-28 USB Type-C to USB 2.0 Mini-B Cable Assembly
Table 3-16 USB Type-C to USB 2.0 Mini-B Cable Assembly Wiring
436 3.5.6 USB Type-C to USB 3.1 Micro-B Cable Assembly
Figure 3-29 USB Type-C to USB 3.1 Micro-B Cable Assembly
437 Table 3-17 USB Type-C to USB 3.1 Micro-B Cable Assembly Wiring
438 3.5.7 USB Type-C to USB 2.0 Micro-B Cable Assembly
Figure 3-30 USB Type-C to USB 2.0 Micro-B Cable Assembly
Table 3-18 USB Type-C to USB 2.0 Micro-B Cable Assembly Wiring
439 3.6 Legacy Adapter Assemblies
3.6.1 USB Type-C to USB 3.1 Standard-A Receptacle Adapter Assembly
Figure 3-31 USB Type-C to USB 3.1 Standard-A Receptacle Adapter Assembly
440 Table 3-19 USB Type-C to USB 3.1 Standard-A Receptacle Adapter Assembly Wiring
441 3.6.2 USB Type-C to USB 2.0 Micro-B Receptacle Adapter Assembly
Figure 3-32 USB Type-C to USB 2.0 Micro-B Receptacle Adapter Assembly
Table 3-20 USB Type-C to USB 2.0 Micro-B Receptacle Adapter Assembly Wiring
442 3.7 Electrical Characteristics
3.7.1 Raw Cable (Informative)
Table 3-21 Differential Insertion Loss Examples for USB SuperSpeedwith Twisted Pair Construction
443 3.7.2 USB Type-C to Type-C Passive Cable Assemblies (Normative)
Figure 3-33 Illustration of Test Points for a Mated Cable Assembly
Table 3-22 Differential Insertion Loss Examples for USB SuperSpeedwith Coaxial Construction
444 Figure 3-34 Recommended Differential Insertion Loss Requirement
Figure 3-35 Recommended Differential Return Loss Requirement
445 Figure 3-36 Recommended Differential Crosstalk Requirement
Figure 3-37 Recommended Differential Near-End and Far-End Crosstalk Requirement between USB D+/D− Pair and USB SuperSpeed Pair
446 Figure 3-38 Illustration of Insertion Loss Fit at Nyquist Frequency
447 Figure 3-39 Input Pulse Spectrum
448 Figure 3-40 IMR Limit as Function of ILfitatNq
450 Figure 3-41 IRL Limit as Function of ILfitatNq
451 Figure 3-42 Differential-to-Common-Mode Conversion Requirement
Table 3-23 Electrical Requirements for CC and SBU wires
452 Figure 3-43 Requirement for Differential Coupling between CC and D+/D−
Table 3-24 Coupling Matrix for Low Speed Signals
453 Figure 3-44 Requirement for Single-Ended Coupling between CCand D− in USB 2.0 Type-C Cables
Figure 3-45 Requirement for Single-Ended Coupling between CCand D− in USB Full-Featured Type-C Cables
454 Figure 3-46 Requirement for Differential Coupling between Vbus and D+/D−
Table 3-25 Maximum Mutual Inductance (M) between Vbus and Low Speed Signal Lines
455 Figure 3-47 Requirement for Single-Ended Coupling between SBU_A and SBU_B
Figure 3-48 Requirement for Single-Ended Coupling between SBU_A/SBU_B and CC
456 Figure 3-49 Requirement for Coupling between SBU_A and differential D+/D−,and SBU_B and differential D+/D−
Table 3-26 USB D+/D− Signal Integrity Requirements for USB Type-C to USB Type-C Passive Cable Assemblies
457 3.7.3 Mated Connector (Informative)
Figure 3-50 Illustration of USB Type-C Mated Connector
458 Figure 3-51 Recommended Impedance Limits of a USB Type-C Mated Connector
459 Figure 3-52 Recommended Ground Void Dimensions for USB Type-C Receptacle
460 Table 3-27 USB Type-C Mated Connector Recommended Signal Integrity Characteristics (Informative)
461 3.7.4 USB Type-C to Legacy Cable Assemblies (Normative)
Figure 3-53 Recommended Differential Near-End and Far-End Crosstalk Limitsbetween D+/D− Pair and SuperSpeed Pairs
Figure 3-54 Recommended Limits for Differential-to-Common-Mode Conversion
462 Table 3-28 USB D+/D− Signal Integrity Requirements for USB Type-Cto Legacy USB Cable Assemblies
463 Table 3-29 Design Targets for USB Type-C to USB 3.1 Gen 2 Legacy Cable Assemblies (Informative)
Table 3-30 USB Type-C to USB 3.1 Gen 2 Legacy Cable Assembly Signal Integrity Requirements (Normative)
464 Figure 3-55 IMR Limit as Function of ILfitatNq for USB Type-C to Legacy Cable Assembly
465 3.7.5 USB Type-C to USB Legacy Adapter Assemblies (Normative)
Figure 3-56 IRL Limit as Function of ILfitatNq for USB Type-C to Legacy Cable Assembly
466 Table 3-31 USB D+/D− Signal Integrity Requirements for USB Type-C to Legacy USB Adapter Assemblies (Normative)
Table 3-32 Design Targets for USB Type-C to USB 3.1 Standard-A Adapter Assemblies (Informative)
467 Table 3-33 USB Type-C to USB 3.1 Standard-A Receptacle Adapter Assembly Signal Integrity Requirements (Normative)
468 3.7.6 Shielding Effectiveness Requirements (Normative)
Figure 3-57 Cable Assembly Shielding Effectiveness Testing
469 Figure 3-58 Shielding Effectiveness Pass/Fail Criteria
470 3.7.7 DC Electrical Requirements (Normative)
Figure 3-59 LLCR Measurement Diagram
472 Figure 3-60 Temperature Measurement Point
Table 3-34 Current Rating Test PCB
473 3.8 Mechanical and Environmental Requirements (Normative)
3.8.1 Mechanical Requirements
Figure 3-61 Example Current Rating Test Fixture Trace Configuration
475 Figure 3-62 Example of 4-Axis Continuity Test Fixture
476 Table 3-35 Force and Moment Requirements
477 Figure 3-63 Example Wrenching Strength Test Fixture for Plugs without Overmold
478 Figure 3-64 Reference Wrenching Strength Continuity Test Fixture
479 3.8.2 Environmental Requirements
Figure 3-65 Example of Wrenching Strength Test Mechanical Failure Point
Figure 3-66 Wrenching Strength Test with Cable in Fixture
480 Table 3-36 Environmental Test Conditions
481 3.9 Docking Applications (Informative)
Table 3-37 Reference Materials
482 3.10 Implementation Notes and Design Guides
3.10.1 EMC Management (Informative)
Figure 3-67 USB Type-C Cable Receptacle Flange Example
483 Figure 3-68 EMC Guidelines for Side Latch and Mid-plate
Figure 3-69 EMC Finger Connections to Plug Shell
484 3.10.2 Stacked and Side-by-Side Connector Physical Spacing (Informative)
Figure 3-70 EMC Pad Connections to Receptacle Shell
Figure 3-71 Examples of Connector Apertures
485 3.10.3 Cable Mating Considerations (Informative)
Figure 3-72 Recommended Minimum Spacing between Connectors
Figure 3-73 Recommended Minimum Plug Overmold Clearance
486 4 Functional
4.1 Signal Summary
Figure 3-74 Cable Plug Overmold and an Angled Surface
Table 4-1 USB Type-C List of Signals
487 4.2 Signal Pin Descriptions
4.2.1 SuperSpeed USB Pins
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
488 4.3 Sideband Use (SBU)
4.4 Power and Ground
4.4.1 IR Drop
Figure 4-1 Cable IR Drop
489 4.4.2 Vbus
Figure 4-2 Cable IR Drop for powered cables
Table 4-2 Vbus Source Characteristics
490 4.4.3 Vconn
Table 4-3 Vbus Sink Characteristics
491 Table 4-4 USB Type-C Source Port’s Vconn Requirements Summary
Table 4-5 Vconn Source Characteristics
492 Table 4-6 Cable Vconn Sink Characteristics
493 Table 4-7 Vconn-Powered Accessory (VPA) Sink Characteristics
494 4.5 Configuration Channel (CC)
4.5.1 Architectural Overview
Table 4-8 Vconn-Powered USB Device (VPD) Sink Characteristics
496 Figure 4-3 Logical Model for Data Bus Routing across USB Type-C-based Ports
Figure 4-4 Logical Model for USB Type-C-based Ports for the Direct Connect Device
497 Table 4-9 USB Type-C-based Port Interoperability
498 Figure 4-5 Pull-Up/Pull-Down CC Model
Figure 4-6 Current Source/Pull-Down CC Model
499 Table 4-10 Source Perspective
500 Table 4-11 Source (Host) and Sink (Device) Behaviors by State
501 Figure 4-7 Source Functional Model for CC1 and CC2
502 Figure 4-8 Source Functional Model Supporting USB PD PR_Swap
503 Figure 4-9 Sink Functional Model for CC1 and CC2
504 Figure 4-10 Sink Functional Model Supporting USB PD PR_Swap and Vconn_Swap
505 Figure 4-11 DRP Functional Model for CC1 and CC2
507 Table 4-12 USB PD Swapping Port Behavior Summary
508 Table 4-13 Power Role Behavioral Model Summary
509 4.5.2 CC Functional and Behavioral Requirements
510 Figure 4-12 Connection State Diagram: Source
511 Figure 4-13 Connection State Diagram: Sink
512 Figure 4-14 Connection State Diagram: Sink with Accessory Support
513 Figure 4-15 Connection State Diagram: DRP
514 Figure 4-16 Connection State Diagram: DRP with Accessory and Try.SRC Support
515 Figure 4-17 Connection State Diagram: DRP with Accessory and Try.SNK Support
516 Table 4-14 Source Port CC Pin State
Table 4-15 Sink Port CC Pin State
531 Figure 4-18 Sink Power Sub-States
533 Figure 4-19 Passive Cable eMarker State Diagram
Figure 4-20 Active Cable eMarker State Diagram
536 Table 4-16 Mandatory and Optional States
538 4.5.3 USB Port Interoperability Behavior
Figure 4-21 Source to Sink Functional Model
539 Figure 4-22 Source to DRP Functional Model
541 Figure 4-23 DRP to Sink Functional Model
542 Figure 4-24 DRP to DRP Functional Model – CASE 1
543 Figure 4-25 DRP to DRP Functional Model – CASE 2 & 3
546 Figure 4-26 Source to Source Functional Model
Figure 4-27 Sink to Sink Functional Model
547 Figure 4-28 DRP to VPD Model
548 Figure 4-29 Source to Legacy Device Port Functional Model
549 Figure 4-30 Legacy Host Port to Sink Functional Model
550 Figure 4-31 DRP to Legacy Device Port Functional Model
551 4.6 Power
Figure 4-32 Legacy Host Port to DRP Functional Model
552 4.6.1 Power Requirements during USB Suspend
Table 4-17 Precedence of power source usage
553 4.6.2 Vbus Power Provided Over a USB Type-C Cable
554 Figure 4-33 Sink Monitoring for Current in Pull-Up/Pull-Down CC Model
Table 4-18 USB Type-C Current Advertisement and PDP Labeling
555 Figure 4-34 Sink Monitoring for Current in Current Source/Pull-Down CC Model
556 Figure 4-35 USB PD over CC Pins
Figure 4-36 USB PD BMC Signaling over CC
557 4.7 USB Hubs
4.8 Power Sourcing and Charging
558 4.8.1 DFP as a Power Source
559 Figure 4-37 USB Type-C Cable’s Output as a Function of Loadfor Non-PD-based USB Type-C Charging
560 Figure 4-38 0 – 3 A USB PD-based Charger USB Type-C Cable’s Outputas a Function of Load
Figure 4-39 3 – 5 A USB PD-based Charger USB Type-C Cable’s Outputas a Function of Load
561 4.8.2 Non-USB Charging Methods
4.8.3 Sinking Host
4.8.4 Sourcing Device
4.8.5 Charging a System with a Dead Battery
4.8.6 USB Type-C Multi-Port Chargers
564 4.9 Electronically Marked Cables
Figure 4-40 Electronically Marked Cable with Vconn connected through the cable
565 4.9.1 Parameter Values
4.9.2 Active Cables
4.10 Vconn-Powered Accessories (VPAs) and Vconn-Powered USB Devices (VPDs)
Figure 4-41 Electronically Marked Cable with SOP’ at both ends
Table 4-19 SOP’ and SOP” Timing
566 4.10.1 Vconn-Powered Accessories (VPAs)
4.10.2 Vconn-Powered USB Devices (VPDs)
4.11 Parameter Values
4.11.1 Termination Parameters
567 Table 4-20 Source CC Termination (Rp) Requirements
Table 4-21 Sink CC Termination (Rd) Requirements
Table 4-22 Powered Cable Termination Requirements
568 Table 4-23 Sink CC Termination Requirements
Table 4-24 SBU Termination Requirements
569 4.11.2 Timing Parameters
Table 4-25 Vbus and Vconn Timing Parameters
570 Figure 4-42 DRP Timing
Table 4-26 DRP Timing Parameters
571 Table 4-27 CC Timing
572 4.11.3 Voltage Parameters
Table 4-28 CC Voltages on Source Side – Default USB
Table 4-29 CC Voltages on Source Side – 1.5 A @ 5 V
Table 4-30 CC Voltages on Source Side – 3.0 A @ 5 V
Table 4-31 Voltage on Sink CC Pins (Default USB Type-C Current only)
573 5 Functional Extensions
5.1 Alternate Modes
5.1.1 Alternate Mode Architecture
Table 4-32 Voltage on Sink CC pins (Multiple Source Current Advertisements)
574 5.1.2 Alternate Mode Requirements
575 Figure 5-1 Pins Available for Reconfiguration over the Full-Featured Cable
Figure 5-2 Pins Available for Reconfiguration for Direct Connect Applications
576 Figure 5-3 Alternate Mode Implementation using a USB Type-C to USB Type-C Cable
577 Figure 5-4 Alternate Mode Implementation using a USB Type-Cto Alternate Mode Cable or Device
578 5.1.3 Parameter Values
Table 5-1 USB Safe State Electrical Requirements
Table 5-2 USB Billboard Device Class Availability Following Alternate Mode Entry Failure
Table 5-3 Alternate Mode Signal Noise Ingression Requirements
579 5.1.4 Example Alternate Mode – USB DisplayPort™ Dock
Figure 5-5 USB DisplayPort Dock Example
581 5.2 Managed Active Cables
5.2.1 Requirements for Managed Active Cables that respond to SOP’ and SOP”
582 5.2.2 Cable Message Structure
5.2.3 Modal Cable Management
Figure 5-6 Managed Active Cable
584 A Audio Adapter Accessory Mode
A.1. Overview
A.2. Detail
585 Table A1 USB Type-C Analog Audio Pin Assignments
586 A.3. Electrical Requirements
Table A2 USB Type-C Analog Audio Pin Electrical Parameter Ratings
587 A.4. Example Implementations
A.4.1. Passive 3.5 mm to USB Type-C Adapter – Single Pole Detection Switch
A.4.2. 3.5 mm to USB Type-C Adapter Supporting 500 mA Charge-Through
Figure A1 Example Passive 3.5 mm to USB Type-C Adapter
589 B Debug Accessory Mode
B.1. Overview
B.2. Functional
Figure A2 Example 3.5 mm to USB Type-C Adapter Supporting 500 mA Charge-Through
590 Figure B1 USB Type-C Debug Accessory Layered Behavior
591 B.2.1. Signal Summary
B.2.2. Port Interoperability
B.2.3. Debug Accessory Mode Entry
Figure B2 DTS Plug Interface
Table B1 DTS to TS Port Interoperability
592 B.2.4. Connection State Diagrams
593 Figure B3 Connection State Diagram: DTS Source
594 Figure B4 Connection State Diagram: DTS Sink
595 Figure B5 Connection State Diagram: DTS DRP
600 Figure B6 TS Sink Power Sub-States
Table B2 Rp/Rp Charging Current Values for a DTS Source
602 B.2.5. DTS Port Interoperability Behavior
Table B3 Mandatory and Optional States
613 B.2.6. Orientation Detection
B.3. Security/Privacy Requirements:
614 C USB Type-C Digital Audio
C.1. Overview
C.2. USB Type-C Digital Audio Specifications
BS EN IEC 62680-1-3:2018 - TC
$280.87