prEN IEC 62680-1-2:2025
(Main)Universal serial bus interfaces for data and power - Part 1-2: Common components - USB power delivery specification
Universal serial bus interfaces for data and power - Part 1-2: Common components - USB power delivery specification
Interfaces de bus universel en série pour les données et l'alimentation électrique - Partie 1-2: Composants communs - Spécification de l'alimentation électrique par port USB
Vmesniki univerzalnega serijskega vodila za prenos podatkov in napajanje - 1-2. del: Skupne komponente - Specifikacija za zagotavljanje napajanja prek USB
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SLOVENSKI STANDARD
01-julij-2025
Vmesniki univerzalnega serijskega vodila za prenos podatkov in napajanje - 1-2.
del: Skupne komponente - Specifikacija za zagotavljanje napajanja prek USB
Universal serial bus interfaces for data and power - Part 1-2: Common components -
USB power delivery specification
Interfaces de bus universel en série pour les données et l'alimentation électrique - Partie
1-2: Composants communs - Spécification de l'alimentation électrique par port USB
Ta slovenski standard je istoveten z: prEN IEC 62680-1-2:2025
ICS:
35.200 Vmesniška in povezovalna Interface and interconnection
oprema equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
100/4327/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62680-1-2 ED8
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-06-06 2025-08-29
SUPERSEDES DOCUMENTS:
100/4319/RR
IEC TA 18 : MULTIMEDIA HOME SYSTEMS AND APPLICATIONS FOR END-USER NETWORKS
SECRETARIAT: SECRETARY:
Japan Mr Keisuke Koide
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):
ASPECTS CONCERNED:
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which they
are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some Countries” clau ses
to be included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for submitting ISC
clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).
TITLE:
Universal serial bus interfaces for data and power - Part 1-2: Common components - USB Power Delivery
specification
PROPOSED STABILITY DATE: 2030
NOTE FROM TC/SC OFFICERS:
I have attached the specification provided by USB-IF. I would like you to convert this document into IEC format and
make it into a CDV.
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.
Universal Serial Bus
Power Delivery Specification
Revision: 3.2
Version: 1.1
Release Date: 2024-10
Revision History
Revision Version Comments Issue Date
1.0 1.0 Initial release Revision 1.0 5 July, 2012
1.0 1.1 Including errata through 31-October-2012 31 October 2012
1.0 1.2 Including errata through 26-June-2013 26 June, 2013
1.0 1.3 Including errata through 11-March-2014 11 March 2014
2.0 1.0 Initial release Revision 2.0 11 August 2014
2.0 1.1 Including errata through 7-May 2015 7 May 2015
2.0 1.2 Including errata through 25-March-2016 25 March 2016
2.0 1.3 Including errata through 11-January-2017 11 January 2017
3.0 1.0 Initial release Revision 3.0 11 December 2015
3.0 1.0a Including errata through 25-March-2016 25 March 2016
3.0 1.1 Including errata through 12-January-2017 12 January 2017
3.0 1.2 Including errata through 21-June-2018 21 June 2018
3.0 2.0 Including errata through 29-August-2019 29 August 2019
3.1 1.0 Including errata through May 2021 May 2021
3.1 1.1 Including errata through July 2021
This version incorporates the following ECNs:
July 2021
⚫ EPR Clarifications
⚫ Define AMS starting point
3.1 1.2 Including errata through October 2021
This version incorporates the following ECNs:
⚫ Clarify use of Retries
⚫ Battery Capabilities October 2021
⚫ FRS timing problem
⚫ PPS power rule clarifications
⚫ Peak current support for EPR AVS APDO
3.1 1.3 This version incorporates the following ECNs:
⚫ Robust EPR Source Operation
⚫ EPR Source Caps Editorial January 2022
⚫ SRC PPS behavior in low current request
⚫ Enter USB
3.1 1.4 Editorial changes
This version incorporates the following ECNs:
⚫ Capabilities Mismatch Update April 2022
⚫ Chunking Timing Issue
⚫ OT Mitigation
Page 2 Universal Serial Bus Power Delivery Specification, Revision 3.2, Version 1.1, 2024-10
Revision Version Comments Issue Date
3.1 1.5 Editorial changes
This version incorporates the following ECNs:
⚫ Timer Description Corrections July 2022
⚫ Change Source_Info Requirements
⚫ AMS Update
3.1 1.6 Editorial changes
This version incorporates the following ECNs:
⚫ USB4® V2 Updates
⚫ Data Reset Issues
October 2022
⚫ Increase tSenderResponse
⚫ PPS Power Limit Bit Update
⚫ Support for Asymmetric Mode
⚫ Timer Description Corrections Revisited
3.1 1.7 Editorial Changes
This version incorporates the following ECNs:
⚫ Data Reset Invalid Reject Handling
January 2023
⚫ Source request
⚫ Source Transition
⚫ EPR Entry
3.1 1.8 Editorial Changes
This version incorporates the following ECNs:
⚫ Slew rate exemption for Power Role Swap.
⚫ EUDO cable speed clarification. April 2023
⚫ Update to PPS Requirements.
⚫ Deprecate Interruptibility.
⚫ Section 7.3 restructure and update.
3.1 1.9 Editorial Changes July 2023
Universal Serial Bus Power Delivery Specification, Revision 3.2, Version 1.1, 2024-10 Page 3
Revision Version Comments Issue Date
3.2 1.0 This version incorporates the following ECNs:
⚫ VDM-use Conditions.
⚫ tTypeCSinkWaitCap.
⚫ tFirstSourceCap Clarification
⚫ Hard Reset Clarification. October 2023
⚫ Unrecognized Country Code
⚫ EPR Entry Process-1
⚫ SPR AVS Definition
⚫ EPR Power Rules Clarifications
3.2 1.1 This version incorporates the following ECNs:
⚫ Power Transition time from EPR to PR_Swap
⚫ Capabilities Mismatch Update
⚫ Deprecate GotoMin and GiveBack Features and Update
Power Reserve
⚫ EPR Entry requirements Clarification
⚫ EPRMDO and Entry Clarification.
⚫ Remove 10.2.4 power sharing between ports
⚫ Source PDP rating field clarifications
⚫ Source Power Rules update.
October 2024
⚫ Source_Info Message Clarifications.
⚫ Correction to BMC description.
⚫ EPR Source cap clarification.
⚫ Delaying of VCONN Swap.
⚫ EPR_Request in SPR Mode.
⚫ Generic transition diagram.
⚫ Removing the usage of Ping message
⚫ Sink Standby
⚫ Source Info Support
Page 4 Universal Serial Bus Power Delivery Specification, Revision 3.2, Version 1.1, 2024-10
LIMITED COPYRIGHT LICENSE
THE USB 3.0 PROMOTERS GRANT A CONDITIONAL COPYRIGHT LICENSE UNDER THE COPYRIGHTS EMBODIED
IN THE USB POWER DELVERY SPECIFICATION TO USE AND REPRODUCE THE SPECIFICATION FOR THE SOLE
PURPOSE OF, AND SOLELY TO THE EXTENT NECESSARY FOR, EVALUATING WHETHER TO IMPLEMENT THE
SPECIFICATION IN PRODUCTS THAT WOULD COMPLY WITH THE SPECIFICATION. WITHOUT LIMITING THE
FOREGOING, USE THE OF SPECIFICATION FOR THE PURPOSE OF FILING OR MODIFYING ANY PATENT
APPLICATION TO TARGET THE SPECIFICATION OR USB COMPLIANT PRODUCTS IS NOT AUTHORIZED. EXCEPT
FOR THIS EXPRESS COPYRIGHT LICENSE, NO OTHER RIGHTS OR LICENSES ARE GRANTED, INCLUDING
WITHOUT LIMITATION ANY PATENT LICENSES. IN ORDER TO OBTAIN ANY ADDITIONALY INTELLECTUAL
PROPERTY LICENSES OR LICENSING COMMITMENTS ASSOCIATED WITH THE SPECIFICATION A PARTY MUST
EXECUTE THE USB 3.0 ADOPTERS AGREEMENT. NOTE: BY USING THE SPECIFICATION, YOU ACCEPT THESE
LICENSE TERMS ON YOUR OWN BEHALF AND, IN THE CASE WHERE YOU ARE DOING THIS AS AN EMPLOYEE, ON
BEHALF OF YOUR EMPLOYER.
INTELLECTUAL PROPERTY DISCLAIMER
THIS SPECIFICATION IS PROVIDED TO YOU "AS IS" WITH NO WARRANTIES WHATSOEVER, INCLUDING ANY
WARRANTY OF MERCHANTABILITY, NON-INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE. THE
AUTHORS OF THIS SPECIFICATION DISCLAIM ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF
ANY PROPRIETARY RIGHTS, RELATING TO USE OR IMPLEMENTATION OF INFORMATION IN THIS
SPECIFICATION. THE PROVISION OF THIS SPECIFICATION TO YOU DOES NOT PROVIDE YOU WITH ANY LICENSE,
EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS.
® ®
USB Type-C and USB4 are trademarks of the Universal Serial Bus Implementers Forum (USB-IF).
® ® ®
USB Type-C , USB-C and USB4 are trademarks of the Universal Serial Bus Implementers Forum (USB-IF).
DisplayPort™ is a trademark of VESA. Thunderbolt™ is a trademark of Intel Corporation. All product names are
trademarks, registered trademarks, or service marks of their respective owners.
You may only use the Thunderbolt™ trademark or logo in conjunction with products designed to this specification
that complete proper certification and executing a Thunderbolt™ trademark license - see http://usb.org/
compliance for further information.
All product names are trademarks, registered trademarks, or service marks of their respective owners.
Corporation, Renesas, STMicroelectronics, and Texas Instruments.
All rights reserved.
Please send comments via electronic mail to techsup@usb.org.
For industry information, refer to the USB Implementers Forum web page at http://www.usb.org.
Universal Serial Bus Power Delivery Specification, Revision 3.2, Version 1.1, 2024-10 Page 5
Editors
Bob Dunstan
Richard Petrie
Contributors
Charles Wang ACON, Advanced-Connectek, Inc. Zaki Moussaoui Apple
Conrad Choy ACON, Advanced-Connectek, Inc. Jeff Liu ASMedia Technology Inc.
Dennis Chuang ACON, Advanced-Connectek, Inc. Kuo Lung Li ASMedia Technology Inc.
Steve Sedio ACON, Advanced-Connectek, Inc. Ming-Wei Hsu ASMedia Technology Inc.
Sunney Yang ACON, Advanced-Connectek, Inc. PS Tseng ASMedia Technology Inc.
Vicky Chuang ACON, Advanced-Connectek, Inc. Sam Tzeng ASMedia Technology Inc.
Joseph Scanlon Advanced Micro Devices Thomas Hsu ASMedia Technology Inc.
Sujan Thomas Advanced Micro Devices Weikao Chang ASMedia Technology Inc.
Caspar Lin Allion Labs, Inc. Yang Cheng ASMedia Technology Inc.
Casper Lee Allion Labs, Inc. Aaron Hou Bizlink Technology Inc.
Danny Shih Allion Labs, Inc. Shawn Meng Bizlink Technology Inc.
Howard Chang Allion Labs, Inc. Bernard Shyu Bizlink Technology, Inc.
Greg Stewart Analogix Semiconductor, Inc. Eric Wu Bizlink Technology, Inc.
Mehran Badii Analogix Semiconductor, Inc. Morphy Hsieh Bizlink Technology, Inc.
Alexei Kosut Apple Sean O'Neal Bizlink Technology, Inc.
Bill Cornelius Apple Tiffany Hsiao Bizlink Technology, Inc.
Carlos Colderon Apple Weichung Ooi Bizlink Technology, Inc.
Chris Uiterwijk Apple Rahul Bhushan Broadcom Corp.
Colin Whitby-Strevens Apple Asila nahas Cadence Design Systems, Inc.
Corey Axelowitz Apple Claire Ying Cadence Design Systems, Inc.
Corey Lange Apple Jie min Cadence Design Systems, Inc.
Dave Conroy Apple Mark Summers Cadence Design Systems, Inc.
David Sekowski Apple Michal Staworko Cadence Design Systems, Inc.
Girault Jones Apple Sathish Kumar Ganesan Cadence Design Systems, Inc.
James Orr Apple Alessandro Ingrassia Canova Tech
Jason Chung Apple Andrea Colognese Canova Tech
Jay Kim Apple Antonio Orzelli Canova Tech
Jeff Wilcox Apple Davide Ghedin Canova Tech
Jennifer Tsai Apple Matteo Casalin Canova Tech
Karl Bowers Apple Michael Marioli Canova Tech
Keith Porthouse Apple Nicola Scantamburlo Canova Tech
Kevin Hsiue Apple Paolo Pilla Canova Tech
Matt Mora Apple Ray Huang Canyon Semiconductor
Paul Baker Apple Yi-Feng Lin Canyon Semiconductor
Reese Schreiber Apple YuHung Lin Canyon Semiconductor
Ricardo Janezic Pregitzer Apple David Tsai Chrontel, Inc.
Ruchi Chaturvedi Apple Anshul Gulati Cypress Semiconductor
Sameer Kelkar Apple Anup Nayak Cypress Semiconductor
Sasha Tietz Apple Benjamin Kropf Cypress Semiconductor
Scott Jackson Apple Dhanraj Rajput Cypress Semiconductor
Sree Raman Apple Ganesh Subramaniam Cypress Semiconductor
William Ferry Apple Jagadeesan Raj Cypress Semiconductor
Page 6 Universal Serial Bus Power Delivery Specification, Revision 3.2, Version 1.1, 2024-10
Junjie cui Cypress Semiconductor Chien-Cheng Kuo eEver Technology, Inc.
Manu Kumar Cypress Semiconductor Shyanjia Chen eEver Technology, Inc.
Muthu M Cypress Semiconductor Abel Astley Ellisys
Nicholas Bodnaruk Cypress Semiconductor Chuck Trefts Ellisys
Pradeep Bajpai Cypress Semiconductor Emmanuel Durin Ellisys
Rajaram R Cypress Semiconductor Mario Pasquali Ellisys
Rama Vakkantula Cypress Semiconductor Tim Wei Ellisys
Rushil Kadakia Cypress Semiconductor Chien-Cheng Kuo Etron Technology, Inc.
Simon Nguyen Cypress Semiconductor Jack Yang Etron Technology, Inc.
Steven Wong Cypress Semiconductor Richard Crisp Etron Technology, Inc.
Subu Sankaran Cypress Semiconductor Shyanjia Chen Etron Technology, Inc.
Sumeet Gupta Cypress Semiconductor TsungTa Lu Etron Technology, Inc.
Tejender Sheoran Cypress Semiconductor Christian Klein Fairchild Semiconductor
Venkat Mandagulathar Cypress Semiconductor Oscar Freitas Fairchild Semiconductor
Xiaofeng Shen Cypress Semiconductor Souhib Harb Fairchild Semiconductor
Zeng Wei Cypress Semiconductor Amanda Ying Feature Integration Technology Inc.
Adie Tan Dell Inc. Jacky Chan Feature Integration Technology Inc.
Adolfo Montero Dell Inc. Kenny Hsieh Feature Integration Technology Inc.
Bruce Montag Dell Inc. KungAn Lin Feature Integration Technology Inc.
Gary Verdun Dell Inc. Paul Yang Feature Integration Technology Inc.
Ken Nicholas Dell Inc. Su Jaden Feature Integration Technology Inc.
Marcin Nowak Dell Inc. Yu-Lin Chu Feature Integration Technology Inc.
Merle Wood Dell Inc. Yulin Lan Feature Integration Technology Inc.
Mohammed Hijazi Dell Inc. AJ Yang Foxconn / Hon Hai
Siddhartha Reddy Dell Inc. Bob Hall Foxconn / Hon Hai
Terry Matula Dell Inc. Chihyin Kan Foxconn / Hon Hai
Jay Hu Derun Semiconductor Fred Fons Foxconn / Hon Hai
Shelly Liu Derun Semiconductor Jie Zheng Foxconn / Hon Hai
Bindhu Vasu Dialog Semiconduct
...
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