SIST EN IEC 63563-3:2026
(Main)Qi Specification version 2.0 - Part 3: Mechanical, thermal, and user interface (IEC 63563-3:2025)
Qi Specification version 2.0 - Part 3: Mechanical, thermal, and user interface (IEC 63563-3:2025)
IEC 63563-3:2025 identifies basic physical design requirements and guidelines for Power Transmitter and Power Receiver Products, including product and system dimensions, alignment of the products, surface temperature rise, and indications to the user.
Qi Spezifikation Version 2.0 - Teil 3: Mechanische und thermische Anwender-Schnittstelle
Spécification Qi version 2.0 - Partie 3: Interface mécanique, thermique et utilisateur
IEC 63563-3:2025 identifie les exigences et lignes directrices de base en matière de conception physique pour les produits émetteurs et récepteurs de puissance, y compris les dimensions du produit et du système, l'alignement des produits, l'élévation de la température de surface et les indications destinées à l'usager.
Različica specifikacije Qi 2.0 - 3. del: Mehanski, termični in uporabniški vmesnik (IEC 63563-3:2025)
Standard IEC 63563-3:2025 vsebuje osnovne zahteve glede fizične zasnove ter smernice za oddajnike in sprejemnike energije, vključno z merami izdelkov in sistemov, uskladitvijo izdelkov, dvigom površinske temperature in vrednostmi za uporabnika.
General Information
- Status
- Published
- Public Enquiry End Date
- 14-Jul-2024
- Publication Date
- 18-Feb-2026
- Technical Committee
- AVM - Audio, video and multimedia systems and equipment
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 30-Jul-2025
- Due Date
- 04-Oct-2025
- Completion Date
- 19-Feb-2026
Overview
SIST EN IEC 63563-3:2026 – Qi Specification Version 2.0, Part 3: Mechanical, Thermal, and User Interface is an international standard that defines the essential physical design requirements for wireless power transfer. Developed under the framework of IEC 63563-3:2025, this standard specifies how Power Transmitter and Power Receiver products should be designed in terms of dimensions, surface temperature management, alignment mechanisms, and user interface indications. By standardizing these elements, the document supports improved device compatibility, user safety, and ease-of-use in Qi-compliant wireless charging systems.
Key Topics
Mechanical Requirements
- Specifies product and system dimensions for both Baseline Power Profile (BPP) and Extended Power Profile (EPP).
- Recommends flat interface surfaces and appropriate marking of active areas to guide product alignment.
- Advises on size constraints for Power Receivers and Transmitters, ensuring interoperability across diverse devices (e.g., phones, headsets, cameras).
Thermal Management
- Establishes maximum allowed surface temperature rise for Power Transmitter Products.
- Recommends strategies to limit interface surface temperature increase, improving user safety and device life.
Alignment and User Interface
- Provides guidelines for product alignment aids including visual, audio, and tactile cues.
- Recommends clear and prompt feedback to users regarding power transfer status, successful alignment, errors, and completion of charging cycles.
- Addresses requirements for indicating foreign object detection and power availability, especially for transmitters supporting multiple receivers.
Applications
The standard is directly relevant to the design and development of Qi wireless charging products used in consumer electronics, automotive applications, and public charging stations. Its practical impacts include:
- Consumer electronics: Ensures mobile phones, earbuds, and wearable devices can be charged reliably on various Qi-certified transmitters.
- Automotive chargers: Enables vehicle manufacturers to integrate wireless charging systems that are interoperable and user-friendly.
- Public wireless charging stations: Standardized interface markings and reliable indicators create a consistent user experience.
- Device interoperability: By adhering to mechanical and thermal requirements, manufacturers facilitate compatibility across Qi-compliant products from different brands.
Related Standards
- EN IEC 63563-1: General requirements for wireless power transfer systems.
- EN IEC 63563-2: Power delivery and communication protocols for Qi systems.
- EN IEC 61643 Series: Surge protection devices for power supply systems.
- IEC 62733: Safety requirements for wireless power transmission.
- IEC 62133: Requirements for secondary cells and batteries used in portable devices.
Practical Value
Meeting the requirements of SIST EN IEC 63563-3:2026 allows manufacturers to:
- Improve user safety and satisfaction through standardized temperature limits and user interface behavior.
- Enhance system reliability and reduce the risk of faulty charging through robust alignment guidelines and feedback mechanisms.
- Streamline product development by following internationally recognized best practices for mechanical and thermal design.
- Ensure global interoperability and market access by conforming to widely adopted Qi wireless charging standards.
In summary, IEC 63563-3:2025 helps optimize wireless charging devices for safety, performance, and user confidence, supporting further adoption of Qi-compatible technologies worldwide.
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Frequently Asked Questions
SIST EN IEC 63563-3:2026 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Qi Specification version 2.0 - Part 3: Mechanical, thermal, and user interface (IEC 63563-3:2025)". This standard covers: IEC 63563-3:2025 identifies basic physical design requirements and guidelines for Power Transmitter and Power Receiver Products, including product and system dimensions, alignment of the products, surface temperature rise, and indications to the user.
IEC 63563-3:2025 identifies basic physical design requirements and guidelines for Power Transmitter and Power Receiver Products, including product and system dimensions, alignment of the products, surface temperature rise, and indications to the user.
SIST EN IEC 63563-3:2026 is classified under the following ICS (International Classification for Standards) categories: 29.240.99 - Other equipment related to power transmission and distribution networks; 33.160.99 - Other audio, video and audiovisual equipment; 35.200 - Interface and interconnection equipment; 35.240.99 - IT applications in other fields. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN IEC 63563-3:2026 is associated with the following European legislation: EU Directives/Regulations: 2014/53/EU; Standardization Mandates: M/607. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
SIST EN IEC 63563-3:2026 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-marec-2026
Različica specifikacije Qi 2.0 - 3. del: Mehanski, termični in uporabniški vmesnik
(IEC 63563-3:2025)
Qi Specification version 2.0 - Part 3: Mechanical, thermal, and user interface (IEC 63563
-3:2025)
Qi Spezifikation Version 2.0 - Teil 3: Mechanische und thermische Anwender-
Schnittstelle
Spécification Qi version 2.0 - Partie 3: Interface mécanique, thermique et utilisateur
Ta slovenski standard je istoveten z: EN IEC 63563-3:2025
ICS:
29.240.99 Druga oprema v zvezi z Other equipment related to
omrežji za prenos in power transmission and
distribucijo električne energije distribution networks
33.160.99 Druga avdio, video in Other audio, video and
avdiovizuelna oprema audiovisual equipment
35.200 Vmesniška in povezovalna Interface and interconnection
oprema equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 63563-3
NORME EUROPÉENNE
EUROPÄISCHE NORM March 2025
ICS 29.240.99; 35.240.99
English Version
Qi Specification version 2.0 - Part 3: Mechanical, Thermal, and
User Interface
(IEC 63563-3:2025)
Spécification Qi version 2.0 - Partie 3: Interface mécanique, Qi Spezifikation Version 2.0 - Teil 3: Mechanische und
thermique et utilisateur thermische Anwender-Schnittstelle
(IEC 63563-3:2025) (IEC 63563-3:2025)
This European Standard was approved by CENELEC on 2025-03-17. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 63563-3:2025 E
European foreword
The text of document 100/4256/FDIS, future edition 1 of IEC 63563-3, prepared by TC 100/Technical
Area 15 "Wireless Power Transfer" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN IEC 63563-3:2025.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2026-03-31
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2028-03-31
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 63563-3:2025 was approved by CENELEC as a European
Standard without any modification.
IEC 63563-3 ®
Edition 1.0 2025-02
INTERNATIONAL
STANDARD
Qi Specification version 2.0 –
Part 3: Mechanical, Thermal, and User Interface
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.240.99; 35.240.99 ISBN 978-2-8327-0186-7
,(&‹,(&
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
QI SPECIFICATION VERSION 2.0 –
Part 3: Mechanical, Thermal, and User Interface
FOREWORD
The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprisingall
national electrotechnical committees (IEC National Committees). The object of IEC is to promote internationalco-
operation on all questions concerning standardization in the electrical and electronic fields. To this end andin addition
to other activities, IEC publishes International Standards, Technical Specifications, TechnicalReports, Publicly
Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Theirpreparation is entrusted to
technical committees; any IEC National Committee interested in the subject dealt withmay participate in this
preparatory work. International, governmental and non-governmental organizationsliaising with the IEC also
participate in this preparation. IEC collaborates closely with the InternationalOrganization for Standardization
(ISO) in accordance with conditions determined by agreement between the twoorganizations.
The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence betweenany IEC
Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
All users should ensure that they have the latest edition of this publication.
No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage orother
damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) andexpenses
arising out of the publication, use of, or reliance upon, this IEC Publication or any other IECPublications.
Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
IEC draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). IEC takes no position concerning the evidence, validity or applicability of any claimed patent rights inrespect
thereof. As of the date of publication of this document, IEC had not received notice of (a) patent(s),which may be
required to implement this document. However, implementers are cautioned that this may notrepresent the latest
information, which may be obtained from the patent database available athttps://patents.iec.ch. IEC shall
not be held responsible for identifying any or all such patent rights.
IEC 635-3 has been prepared by technical area 15: Wireless Power Transfer, of IEC
technical committee 100: Audio, video and multimedia systems and equipment. It is an
International Standard.
It is based on Qi Specification version 2.0, Mechanical, Thermal, and User Interface and was
submitted as a Fast-Track document.
The text of this International Standard is based on the following documents:
Draft Report on voting
//FDIS //RVD
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Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
The structure and editorial rules used in this publication reflect the practice of the organization
which submitted it.
This document was developed in accordance with ISO/IEC Directives, Part 1 and ISO/IEC
Directives, IEC Supplement available at www.iec.ch/members_experts/refdocs. The main
document types developed by IEC are described in greater detail at www.iec.ch/publications.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
x reconfirmed,
x withdrawn, or
x revised.
,(&‹,(&
WIRELESS POWER
CONSORTIUM
Qi Specification
Mechanical, Thermal, and User
Interface
Version 2.0
April 2023
,(&‹,(&
DISCLAIMER
Theinformationcontainedhereinisbelievedtobeaccurateasofthedateofpublication,
butisprovided“asis”andmaycontainerrors.TheWirelessPowerConsortiummakesno
warranty,expressorimplied,withrespecttothisdocumentanditscontents,includingany
warrantyoftitle,ownership,merchantability,orfitnessforaparticularuseorpurpose.
NeithertheWirelessPowerConsortium,noranymemberoftheWirelessPower
Consortiumwillbeliableforerrorsinthisdocumentorforanydamages,includingindirect
orconsequential,fromuseoforrelianceontheaccuracyofthisdocument.For any further
explanation of the contents of this document, or in case of any perceived inconsistency or ambiguity
of interpretation, contact: info@wirelesspowerconsortium.com.
RELEASE HISTORY
Specification Version Release Date Description
2.0 April 2023 Initial release of the v2.0 Qi Specification.
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Table of Contents
1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1 Structure of the Qi Specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.3 Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.4 References. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.5 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.6 Power Profiles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Power Receiver design requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 Mechanical design guidelines (Informative). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.1 Power Transmitter Product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.2 Power Receiver Product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.3 Power Transmitter Product Alignment Aid. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
...



