oSIST prEN IEC 63758-2:2026

• Status: Not Published
• Public Enquiry End Date: 29-Nov-2026
• ICS: 29.240.99 - Other equipment related to power transmission and distribution networks
• ICS: 33.160.99 - Other audio, video and audiovisual equipment
• ICS: 35.200 - Interface and interconnection equipment
• Technical Committee: AVM - Audio, video and multimedia systems and equipment
• Current Stage: 4020 - Public enquire (PE) (Adopted Project)
• Start Date: 28-Sep-2026
• Due Date: 15-Feb-2027
• Directive: 2014/53/EU - Directive 2014/53/EU of The European Parliament and of the Council of 16 April 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of radio equipment and repealing Directive 1999/5/EC
• Mandate: M/607 - COMMISSION IMPLEMENTING DECISION of C(2025)1207 on a Standardisation Request M/607 as regards charging interface and charging communication protocol for radio equipment capable of being recharged by means of wireless charging in relation with Article 3(4), sixth subparagraph, of Directive 2014/53/EU of the European Parliament and of the Council.
• Ref Project: prEN IEC 63758-2:2026 - Qi specification - Version 2.3 - Part 2: Power profiles (Fast Track)

oSIST prEN IEC 63758-2:2026 is the Slovenian adoption of the Qi specification - Version 2.3 - Part 2: Power profiles (Fast Track), published through SIST in the IEC process. It defines the power profiles and associated mandatory or optional features used to certify Qi wireless power products, including PTx products, PRx products, and MC-PRx product combinations.

What does oSIST prEN IEC 63758-2:2026 specify?

oSIST prEN IEC 63758-2:2026 specifies how Qi power profiles are defined and how products are matched to those profiles. In practice, it tells manufacturers what features a transmitter, receiver, or magnetic cover combination must expose to claim a given Qi power profile.

The document is organized into five clauses:

Clause	Topic	What it covers in practice
1	Introduction	The role of power profiles in Qi certification
2	Features	Core features such as power levels, protocols, alignment, authentication, and FOD methods
3	PTx Power Profiles	Requirements for power transmitters
4	PRx Power Profiles	Requirements for power receivers
5	MC-PRx Product Combination Power Profiles	Requirements for receiver plus magnetic cover combinations

The focus is on compliance properties exposed at the active area of the product or at the magnetic cover. That matters because Qi product claims depend on the profile the hardware is designed and certified to meet.

What are the key requirements of oSIST prEN IEC 63758-2:2026?

oSIST prEN IEC 63758-2:2026 is profile-based: a product does not just support Qi in general, it supports a named power profile with defined mandatory features. The main practical task for a designer or certification engineer is to choose the target profile first, then implement the required feature set.

Core feature definitions

Clause 2 defines the key features used across the profiles. PotentialLoadPower is the highest guaranteed load power level that the PTx can negotiate, while RatedLoadPower is the highest guaranteed load power level that the PRx attempts to negotiate. In practice, these values drive product claims and test expectations.

Clause 2 also defines the protocol families. BaselineProtocol uses Power Receiver-to-Power Transmitter communications only, ExtendedProtocol adds bi-directional communications, enhanced Foreign Object Detection (FOD), data transport stream functionality, and authentication options, and MagneticProtocol is used when magnetic attachment or active alignment is part of the power transfer method. This matters because the communications stack has to match the chosen power profile.

Alignment and attachment

Clause 2.6 distinguishes ActiveAlignment and MagneticAttach. ActiveAlignment is mechanical alignment of the transmitter coil and receiver coil, and the document states that high alignment accuracy is needed for power transfer at levels greater than or equal to 15 W. MagneticAttach is guided positioning using magnets to improve coil alignment. For product design, this means the mechanical system is part of the electrical performance.

FOD-related methods

Clause 2 defines several Foreign Object Detection methods: MatedQDeflection (FOD), DPLOSSCalibration (FOD), MPLA (FOD), and MPLA2 (FOD). These methods are linked to different profiles and power levels, especially where higher power transfer needs tighter control of foreign object detection. In practice, the chosen profile determines which FOD method must be implemented and verified.

PTx profile requirements

Clause 3 sets the transmitter profiles and their required power levels.

PTx profile	Required feature
BPP	PotentialLoadPower of 5 W
EPP	PotentialLoadPower of 5 W, 8 W, or 15 W
EPP5	PotentialLoadPower of 5 W
MPP	PotentialLoadPower of 15 W
MPP15	PotentialLoadPower of 15 W
MPP25	PotentialLoadPower of 25 W and DPLOSSCalibration
APP	PotentialLoadPower of 15 W
APP15	PotentialLoadPower of 15 W
APP25	PotentialLoadPower of 25 W and DPLOSSCalibration

The practical meaning is straightforward: the transmitter hardware and control software must support the exact power level and any linked detection or alignment method for the profile it claims.

PRx profile requirements

Clause 4 mirrors the transmitter side for receivers.

PRx profile	Required feature
BPP	RatedLoadPower of up to 5 W
EPP	RatedLoadPower of up to 15 W
MPP	RatedLoadPower of up to 15 W
MPP15	RatedLoadPower of up to 15 W
MPP25	RatedLoadPower of up to 25 W and DPLOSSCalibration

For a receiver, the key point is the highest guaranteed power it will attempt to negotiate. That affects thermal design, power stage sizing, and the test target for certification.

MC-PRx product combination requirements

Clause 5 defines two combination profiles for a PRx product with a magnetic cover. MCPE combines a PRx certified to either BPP or EPP with a magnetic cover containing termination magnets. MCPM combines a PRx certified to MPP, MPP15, or MPP25 with a magnetic cover containing termination magnets. In practice, this clause is for product sets where the cover is part of the certified Qi configuration.

What terms does oSIST prEN IEC 63758-2:2026 define?

• PTx (Power Transmitter) - the unit that negotiates and delivers power to the receiver.
• PRx (Power Receiver) - the unit that receives power and negotiates the load power it will attempt to use.
• FOD (Foreign Object Detection) - methods used to detect foreign objects during or before power transfer.
• BPP (Baseline Power Profile) - the basic Qi power profile family tied to 5 W operation.
• EPP (Extended Power Profile) - the Qi profile family that supports higher power options such as 8 W and 15 W on the transmitter side.
• MPP (Magnetic Power Profile) - a profile family that depends on magnetic attachment or active alignment.
• MC-PRx - a product combination made up of a PRx product and a magnetic cover.

Who uses oSIST prEN IEC 63758-2:2026?

oSIST prEN IEC 63758-2:2026 is used by manufacturers of Qi transmitters, receivers, and magnetic covers, along with their design and compliance teams. It is also used by test laboratories and certification engineers who need to verify that a product matches a named power profile.

Buyers and product managers use it to compare claimed Qi capabilities with the exact profile definitions. For engineering teams, it is the document that turns a general Qi claim into a concrete feature set for power level, alignment, communication mode, and FOD support.

Which standards are used with oSIST prEN IEC 63758-2:2026?

The document points readers to several companion books for protocol detail:

• Communications Physical Layer book - defines the low-level formats of data bits, data bytes, and data packets used by BaselineProtocol.
• Communications Protocol book - defines the payloads of data packets and how they are used in the power transfer protocols.
• Technical System Overview book - gives an overview of the phases of BaselineProtocol.
• MPP Communications Protocol book - gives the protocol detail for MagneticProtocol.
• Authentication Protocol book - explains the authentication function used by Power Receiver and Power Transmitter equipment.

These companion books provide the detailed protocol behavior that supports the profile definitions in this part.

What does the oSIST prEN IEC 63758-2:2026 document contain?

The document contains a profile-oriented feature map for Qi power transfer. It defines the main feature families first, then applies them to transmitter profiles, receiver profiles, and receiver-plus-cover combinations. The result is a structured requirements set rather than a general description of wireless power.

It also contains the technical vocabulary used to certify a product to a specific profile, including power levels, communications modes, alignment methods, authentication, power modes, GainLinearization, ThermalManagement, and several FOD methods. For readers implementing or testing Qi products, this is the part of the specification that tells them which functions belong together and which profile claims they can make.

SLOVENSKI STANDARD
01-november-2026
Specifikacija Qi - Različica 2.3 - 2. del: Močnostni profili (hitri postopek)
Qi specification - Version 2.3 - Part 2: Power profiles (Fast Track)
Ta slovenski standard je istoveten z: prEN IEC 63758-2:2026
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.

100/4540/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 63758-2 ED1
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2026-09-18 2026-12-11
SUPERSEDES DOCUMENTS:
IEC TC 100 : AUDIO, VIDEO AND MULTIMEDIA SYSTEMS AND EQUIPMENT
SECRETARIAT: SECRETARY:
Japan Ms Mahiru Uehara
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):
TC 106,TC 108
ASPECTS CONCERNED:
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft for
Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
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”
clauses 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:
Qi Specification - Version 2.3 - Part 2: Power profiles (Fast Track)

PROPOSED STABILITY DATE: 2029
NOTE FROM TC/SC OFFICERS:
As this is a fast-track process offered by WPC, the Word file is not provided.

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.

QiSpecification
PowerProfiles
Version2.3
PublishDate:08December2025
DISCLAIMER
Theinformationcontainedhereinisbelievedtobeaccurateasofthedateofpublication,butisprovided“asis”andmay
containerrors.TheWirelessPowerConsortiummakesnowarranty,expressorimplied,withrespecttothisdocument
anditscontents,includinganywarrantyoftitle,ownership,merchantability,orfitnessforaparticularuseorpurpose.
NeithertheWirelessPowerConsortium,noranymemberoftheWirelessPowerConsortiumwillbeliableforerrorsin
thisdocumentorforanydamages,includingindirectorconsequential,fromuseoforrelianceontheaccuracyofthis
document.Foranyfurtherexplanationofthecontentsofthisdocument,orincaseofanyperceivedinconsistencyor
ambiguityofinterpretation,contact:[e-mail].

Contents
1. Introduction 5
1.1 PowerProfiles 5
2. Features 6
2.1 PotentialLoadPower 6
2.2 RatedLoadPower 6
2.3 BaselineProtocol 6
2.4 ExtendedProtocol 6
2.5 MagneticProtocol 6
2.6 AlignmentMethod 6
2.6.1 ActiveAlignment 6
2.6.2 MagneticAttach 6
2.7 Authentication 7
2.8 PowerModes 7
2.9 GainLinearization 7
2.10 ThermalManagement 7
2.11 MatedQDeflection(FOD) 7
2.12 DPLOSSCalibration(FOD) 7
2.13 MPLA(FOD) 7
2.14 MPLA2(FOD) 7
2.15 TerminationMagnets 7
2.16 FeedthroughMagnets 7
3. PTxPowerProfiles 8
3.1 BaselinePowerProfile(BPP) 9
3.2 ExtendedPowerProfile(EPP) 10
3.3 ExtendedPowerProfile(EPP5) 11
3.4 MagneticPowerProfile(MPP) 12
3.5 MagneticPowerProfile15W(MPP15) 13
3.6 MagneticPowerProfile25W(MPP25) 14
3.7 ActiveAlignmentPowerProfile(APP) 15
3.8 ActiveAlignmentPowerProfile15W(APP15) 16
3.9 ActiveAlignmentPowerProfile25W(APP25) 17
4. PRxPowerProfiles 18
4.1 BaselinePowerProfile(BPP) 19
4.2 ExtendedPowerProfile(EPP) 20
4.3 MagneticPowerProfile(MPP) 21
4.4 MagneticPowerProfile15W(MPP15) 22

4.5 MagneticPowerProfile25W(MPP25) 23
5. MC-PRxProductCombinationPowerProfiles 24
5.1 MCPE 24
5.2 MCPM 24
1. Introduction
1.1 PowerProfiles
Apowerprofiledefinesasetofmandatoryandoptionalfeaturesthatdeterminethecompliancepropertiesexposedat
anactiveareaofaPTxproduct,aPRxproduct,oramagneticcover.Thisbookdetailstheoptionsandfeaturesrequired
tocertifyaproducttoaspecificpowerprofile.

2. Features
Thefollowingfeaturesinthissectioncanbemandatoryoroptionaldependingonthepowerprofiletowhichtheyare
linked.
2.1 PotentialLoadPower
ThePotentialLoadPowerlevelisthehighestguaranteedloadpowerlevelthatthePTxcannegotiate.
2.2 RatedLoadPower
TheRatedLoadPoweristhehighestguaranteedloadpowerlevelthatthePRxattemptstonegotiate.
2.3 BaselineProtocol
ApowertransferprotocolthatwhichusesPowerReceiver-to-PowerTransmittercommunicationsonly.
Thelow-levelformatsofdatabits,databytes,anddatapacketsaredetailedintheCommunicationsPhysicalLayerbook.
TheCommunicationsProtocolbookdefinesthepayloadsofthedatapacketsandtheiruseinthepowertransfer
protocols.
AnoverviewofthephasesoftheBaselineProtocolcanbefoundintheTechnicalSystemOverviewbook.
2.4 ExtendedProtocol
Apowertransferprotocolthatsupportsbi-directionalcommunicationsandenhancedForeignObjectDetection(FOD)
features,aswellasdatatransportstreamfunctionalityandauthenticationoptions.
2.5 MagneticProtocol
Apowertransferprotocolthatreliesonthepresenceofmagneticattachmentoractivealignmentfunctionalityformore
efficientpowertransfer.Itsupportstwooperatingmodes:
l
RestrictedMode:One-waycommunications(PRxtoPTx)withlimitedpowerlevels.
l
FullMode:Bi-directionalcommunicationsenablingnegotiationofhigherpowerlevelsandimprovedFOD
TheMagneticProtocolisdocumentedintheMPPCommunicationsProtocolbook.
2.6 AlignmentMethod
AlignmentreferstothepositioningofthePRxproductonthePTxproductaftermating.Thealignmentmethodisthe
meansofachievingthispositioning.
2.6.1 ActiveAlignment
ActiveAlignmentistheprocessofmechanicallyaligningthecentreofthePTxcoiltothecentreofthePRxcoil.
Ahighlevelofalignmentaccuracyisnecessaryforpowertransferatlevelsgreaterthanorequalto15W.Toachieve
this,thecentreofthePTxproduct'scoilistobealignedwithinaradiusof2mmfromthecentreofthePRxproduct's
coil.
2.6.2 MagneticAttach
MagneticattachisaformofguidedpositioningwherethePRxproductattachestothePTxproductusingmagnets.This
methodtypicallyincreasestheaccuracyofthealignmentbetweenthePTxandPRxcoilswhenmated,resultinginan
optimisedpowertransfer.
2.7 Authentication
Atamper-resistantprotocolbywhichaP
...