Qi specification version 2.0 - Part 10: Mpp system specification (IEC 63563-10:2025)

IEC 63563-10:2025 defines MPP (Magnetic Power Profile), an extension to Qi v1.3 BPP (Baseline Power Profile). Manufacturers can use this specification to implement PTx and/or PRx that are interoperable.

Qi Spezifikation Version 2.0 - Teil 10: Mpp System Spezifikation (IEC 63563-10:2025)

Spécification Qi version 2.0 - Partie 10: Spécification du système PPM (Profil de puissance magnétique) (IEC 63563-10:2025)

IEC 63563-10:2025 définit le MPP (Magnetic Power Profile), une extension du BPP (Baseline Power Profile) de Qi v1.3. Les fabricants peuvent utiliser cette spécification pour mettre en œuvre des PTx et/ou PRx interopérables.

Različica specifikacije Qi 2.0 - 10. del: Specifikacija sistema Mpp (IEC 63563-10:2025)

General Information

Status
Not Published
Public Enquiry End Date
14-Jul-2024
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
30-Jul-2025
Due Date
04-Oct-2025
Draft
oSIST prEN IEC 63563-10:2024 - BARVE
English language
164 pages
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SLOVENSKI STANDARD
oSIST prEN IEC 63563-10:2024
01-julij-2024
Različica specifikacije Qi 2.0 - 10. del: Specifikacija sistema Mpp (Hitri postopek)
Qi specification version 2.0 - Part 10: Mpp system specification (Fast track)
Ta slovenski standard je istoveten z: prEN IEC 63563-10:2024
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
oSIST prEN IEC 63563-10:2024 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN IEC 63563-10:2024
oSIST prEN IEC 63563-10:2024
100/4131/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 63563-10 ED1
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2024-05-03 2024-07-26
SUPERSEDES DOCUMENTS:
IEC TA 15 : WIRELESS POWER TRANSFER
SECRETARIAT: SECRETARY:
Korea, Republic of Mr Ockwoo Nam
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

TC 106,TC 108
Other TC/SCs are requested to indicate their interest, if any,
in this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
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”
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 2.0 - Part 10: MPP System Specification (Fast track)

PROPOSED STABILITY DATE: 2029
NOTE FROM TC/SC OFFICERS:
This document is only in PDF format. IEC and WPC agreed to use the pdf files as this is an adoption.

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
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oSIST prEN IEC 63563-10:2024
WIRELESS POWER
CONSORTIUM
Qi Specification
MPP System Specification
Version 2.0
April 2023
oSIST prEN IEC 63563-10:2024
COPYRIGHT
© 2023 by the Wireless Power Consortium, Inc. All rights reserved.
The Qi Specification, Power Transmitter Reference Designs is published by the Wireless Power
Consortium and has been prepared by the members of the Wireless Power Consortium.
Reproduction in whole or in part is prohibited without express and prior written permission of the
Wireless Power Consortium.
DISCLAIMER
The information contained herein is believed to be accurate as of the date of publication,
but is provided “as is” and may contain errors. The Wireless Power Consortium makes no
warranty, express or implied, with respect to this document and its contents, including any
warranty of title, ownership, merchantability, or fitness for a particular use or purpose.
Neither the Wireless Power Consortium, nor any member of the Wireless Power
Consortium will be liable for errors in this document or for any damages, including indirect
or consequential, from use of or reliance on the accuracy of this document. 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 First release of this v2.0 specification.

oSIST prEN IEC 63563-10:2024
Table of Contents
Table of Contents . 2
List of Figures . 6
List of Tables . 9
1 General Description. 10
1.1 Introduction . 10
1.1.1 Scope . 10
1.1.2 Document organization . 10
1.1.3 Design goals . 10
1.1.4 BPP and MPP interoperability . 12
1.1.5 Related documents . 12
1.2 Architectural overview . 13
1.2.1 System Description . 13
1.2.2 System block diagrams . 14
1.3 Glossary . 16
1.3.1 Definitions. 16
1.3.2 Acronyms . 17
1.3.3 Symbols . 17
1.4 System Model vs Spec . 18
2 Authentication Protocol . 19
2.1 Authentication . 19
3 Coil Design . 20
3.1 Introduction and Background . 20
3.2 PTx Coil System Model . 20
3.2.1 Mechanical Construction . 20
3.2.2 Electrical Properties . 31
3.3 PRx Coil System Model . 33
3.3.1 Mechanical Construction . 33
3.3.2 Electrical Properties . 42

oSIST prEN IEC 63563-10:2024
3.4 Properties of Mated Coil System Models . 43
3.4.1 Electrical measurement under mated conditions . 43
3.5 Coil Specifications. 44
3.5.1 PRx Coil Specifications . 44
3.5.2 PTx Coil Specifications. 50
4 Power Delivery . 57
4.1 Power Profiles (BPP + MPP) . 57
4.1.1 Specifications . 57
4.1.2 Recommendations . 57
4.1.3 Specification Notes . 57
4.2 Power Receiver Functional Block Diagram . 58
4.2.1 System Model . 58
4.3 Power Transmitter Functional Block Diagram . 65
4.3.1 System Model . 65
4.4 Operating Frequency . 68
4.4.1 System Model . 68
4.4.2 Specifications . 68
4.5 Object Detection . 68
4.5.1 System Model . 68
4.5.2 Specifications . 69
4.6 Digital Pings 128kHz/360kHz . 69
4.6.1 Need For Digital Pings 128kHz / 360kHz . 69
4.6.2 Specifications . 76
4.7 K Estimation . 78
4.7.1 System Model . 78
4.7.2 Specifications . 82
4.8 Output Impedance and Load Transients . 83
4.8.1 System Model . 83
4.9 Set Pr_max . 86
4.9.1 Background . 86
4.9.2 System Model . 86
4.9.3 PTx Specifications . 92
4.9.4 PTx Specification Notes . 92
4.10 Power Transfer Control . 92
4.10.1 Intro and Background (Informative) . 92

oSIST prEN IEC 63563-10:2024
4.10.2 System Model . 92
4.10.3 End-to-End Control Specifications . 98
4.11 Mitigation of Side Effects of Cd at MPP Frequency . 101
4.11.1 System Model . 101
4.11.2 Specifications . 104
4.12 Cloak . 104
4.13 Common-mode Noise . 104
5 Communications Physical Layer . 105
5.1 Introduction . 105
5.2 Frequency Shift Keying (PTx to PRx) . 105
5.2.1 System Model . 106
5.2.2 Frequency Shift Keying Specifications . 108
5.3 Amplitude Shift Keying (PRx to PTx) . 109
5.3.1 Modulation Scheme . 109
5.3.2 System Model . 110
5.3.3 ASK Specifications . 115
6 Foreign Object Detection . 117
6.1 Background . 117
6.2 Open-air Q-Test (pre-power transfer FOD method). 117
6.2.1 Introduction . 117
6.2.2 Movement Timer. 120
6.2.3 Settling Timer . 120
6.2.4 Glossary . 120
6.2.5 Open-air Q-Test Specifications . 120
6.2.6 Theory of Operation . 121
6.2.7 PRx movement and digital ping . 125
6.3 MPP Power Loss Accounting (in-power transfer FOD method) . 126
6.3.1 Introduction . 126
6.3.2 MPLA Specifications . 127
6.3.3 MPLA Equations. 130
6.3.4 Eco-System Scaling . 131
6.3.5 Process of Extracting LQK-Dependent Coefficients . 133
6.3.6 FO power estimation error outside 2x2 cylinder . 134
6.3.7 FO Detection Thresholds . 135
6.3.8 In-Power FOD Action . 138

oSIST prEN IEC 63563-10:2024
6.3.9 Accessory Power Loss Requirements . 140
6.3.10 Error Budget . 140
6.3.11 Measuring coil current . 147
7 Annex . 149
7.1 PTx Working with Legacy PRx . 149
7.1.1 Background . 149
7.2 Mitigation of Saturation for BPP . 149
7.2.1 System Model . 149
7.2.2 SHO Specifications . 153
7.3 Loss-Split Modeling: A framework for calculating localized eddy-current losses . 153
7.3.1 Introduction . 153
7.3.2 Comparison between the standard T-Model and Loss-Split Model . 155
7.3.3 Determining the Loss-Split Model Parameters . 156
7.3.4 Calculating Power Loss using Loss-Split Model . 157
7.3.5 Loss-Split Model Validation . 158
7.4 Resistive Coupling Factor . 158
7.4.1 Introduction . 158
7.4.2 Definition of Mutual Resistance and Kr . 158
7.4.3 Cause of Mutual Resistance . 159
7.4.4 Why is Kr non-negligible . 161

oSIST prEN IEC 63563-10:2024
List of Figures
Figure 2.1.3 : 1 Multipole magnet design that tightly couples strong permanent magnetic fields within the region of the
magnet array . . 11
Figure 2.1.3 : 2 Accurate magnetic alignment within a 2mm radius (without case and with silicone case) . . 11
Figure 2.2.2 : 3 System block diagram . . 15
Figure 2.2.2 : 4 MPP PTx functional diagram . . 15
Figure 2.2.2 : 5 MPP accessory functional diagram (e.g., PRx case, wallet, automative dash-mount) . . 15
Figure 2.2.2 : 6 MPP PRx functional diagram . . 16
Figure 4.2.1.1 : 7 Exploded view of PTx coil system model . . 20
Figure 4.2.1.3 : 8 Exploded view of the Coil Module for the PTx Coil System Model . . 21
Figure 4.2.1.3 : 9 Side view of PTx Coil Module . . 22
Figure 4.2.1.3 : 10 Top view of PTx ferrite . . 22
Figure 4.2.1.4 : 11 Magnet Array top view . . 24
Figure 4.2.1.5 : 12 Magnet assembly (Cross-section) . . 26
Figure 4.2.1.6 : 13 Side view of Bottom Enclosure . . 27
Figure 4.2.1.8 : 14 Side view of PTx coil system model assembly . 29
Figure 4.2.1.9.1 : 15 Transmitter orientation magnets (Top View) . . 30
Figure 4.2.1.9.1 : 16 Transmitter Orientation Magnet Dimensions and Polarity . . 31
Figure 4.3.1.1 : 17 Exploded view of PRx coil system model . . 34
Figure 4.3.1.4 : 18 Exploded view of the coil module for the PRx coil system model . . 35
Figure 4.3.1.4 : 19 Cross-section of the coil module for the PRx coil system model . . 36
Figure 4.3.1.4 : 20 Cross-sectional view of coil for the PRx coil system model . . 36
Figure 4.3.1.4 : 21 Top view of PRx coil system model . . 37
Figure 4.3.1.5 : 22 Magnet of the PRx coil system model (top view) . . 40
Figure 4.3.1.5 : 23 Magnet of the PRx coil system model (side view) . . 40
Figure 4.3.1.5 : 24 Magnetic field of the PRx coil system model . . 41
Figure 4.3.1.5 : 25 Orientation magnet of the PRx coil system model (side view) . . 41
Figure 4.3.1.7 : 26 Cross-sectional view showing assembly of PRx coil system model . . 41
Figure 5.1.3.1 : 27 MPP minimum power delivery requirement shall be Pl ≥ 15W for 0mm ≤ z ≤ 2mm, 0mm ≤ r ≤ 2mm . . 57
Figure 5.1.3.1 : 28 An MPP PTx shall be able to deliver Pl ≥ 5W to an BPP system model PRx for 0mm ≤ z ≤ 3mm, 0mm ≤ r
≤ 8mm . . 58
Figure 5.1.3.1 : 29 Cross section view of the system model indicating the "z" gap . . 58
Figure 5.2.1.1 : 30 System model PRx circuit topology (with BPP and MPP compatibility) . . 59
Figure 5.2.1.3.1 : 31 Cantilever Equivalent Circuit . . 60
Figure 5.2.1.3.2.1 : 32 Efficiency vs Crx: sweep of Crx at the maximum coupling position in the system model shows that
efficiency is low when Crx < 300nF (system is capacitive) . . 62
Figure 5.2.1.3.2.1 : 33 Bode plot of Zin(s) at maximum coupling location with two different Crx values. With Crx=60nF, the
system impedance is capacitive, which is undesirable. . . 63

oSIST prEN IEC 63563-10:2024
Figure 5.2.1.3.2.1 : 34 Bode plot of G(s) at maximum coupling location with two different Crx values. Crx=710nF has
~1.4dB higher gain than Crx=60nF. . . 63
Figure 5.2.1.5 : 35 System model PRx Vrect/Irect profile . . 65
Figure 5.3.1 : 36 PTx power stage block diagram . . 66
Figure 5.3.1.1 : 37 Definition of inverter phase θ . . 66
Figure 5.6.1 : 38 MPP Power Negotiation Flow . . 70
Figure 5.6.1 : 39 Top-level diagram . . 72
Figure 5.6.1 : 40 Digital Ping Flowchart . . 73
Figure 5.6.1 : 41 Identification 128kHz Flowchart . . 74
Figure 5.6.1 : 42 Identification 360kHz Flowchart . . 75
Figure 5.6.1 : 43 Configuration Flowchart . . 76
Figure 5.7.1.2.1 : 44 E0 and E1 Fit Example . . 80
Figure 5.7.1.2.1 : 45 Kest E0 and E1 Extraction Flow . . 80
Figure 5.7.1.4 : 46 Example PTx/PRx Kest Error Stack-up . . 82
Figure 5.8.1.1 : 47 Typical Output Impedance Plot (Vrect vs Irect) . . 84
Figure 5.8.1.2.1 : 48 Vrect timing diagram during load step procedure in the system model . . 85
Figure 5.8.1.2.2 : 49 Vrect timing diagram during load dump procedure in the system model . . 85
Figure 5.9.2.3.1 : 50 Set Pr_max Overall Flow . . 88
Figure 5.9.2.3.1 : 51 Example Time Sequence . . 89
Figure 5.9.2.3.2 : 52 Gain Measurement Flow . . 90
Figure 5.9.2.3.3 : 53 Set initial Vrect_target and Pr_max based on G1*G2 . . 91
Figure 5.9.2.3.3 : 54 Pr_max vs G1*G2 . . 91
Figure 5.10.2.2.1 : 55 Tx Voltage Control Flow Chart . . 95
Figure 5.10.2.3.3 : 56 Ilim control diagram . . 97
Figure 5.11.1.0.1 : 57 Vrect vs inverter phase at light load . . 101
Figure 5.11.1.0.1 : 58 Output impedance with 50 and 120 degrees inverter phase . 102
Figure 5.11.1.0.2 : 59 Gain (Vrect/Vin) with and without Cd . . 102
Figure 5.11.1.0.2 : 60 Load release from 7W to 0W, with and without Cd, and with mitigations implemented in the system
model . . 103
Figure 5.11.1.0.3 : 61 ZVS state with and without Cd, and with mitigations implemented in the system model . . 103
Figure 6.1 : 62 MPP Comms Physical System Model . . 105
Figure 6.2.1.1 : 63 System Model for FSK Transmitter . . 106
Figure 6.2.1.2 : 64 System Model for FSK Receiver . . 107
Figure 6.2.1.2 : 65 Sample Waveform: Digital Ping 360 kHz AC2 node voltage . . 108
Figure 6.3.1 : 66 (a) Primary Resonant Capacitor Amplitude and (b) Primary Resonant Capacitor Phase Shift . . 110
Figure 6.3.2.1 : 67 System Model for ASK Modulator at 128 kHz . . 111
Figure 6.3.2.1 : 68 System Model for ASK Modulator at 360 kHz . . 112
Figure 6.3.2.1 : 69 Representative Waveforms for ASK Modulator at 360 kHz . . 112
Figure 6.3.2.2 : 70 System Model for ASK Receiver . . 113
Figure 6.3.2.3 : 71 ASK Modulation Trends for (a) DC Load Current and (b) Capacitor Modulation . . 114

oSIST prEN IEC 63563-10:2024
Figure 7.2.1 : 72 Detection Capability V.S. Thermal Requirements . . 118
Figure 7.2.1 : 73 Simplified flow diagram for open-air Q test . 119
Figure 7.2.6.1 : 74 Implementation of how to measure ring response . . 121
Figure 7.2.6.1.0.1 : 75 bias ping configuration . . 122
Figure 7.2.6.4.2 : 76 PRx replaced before the movement timer expires to prevent false fo flag . . 124
Figure 7.2.7 : 77 Example of q-deflection profile when Prx is approaching ptx . . 126
Figure 7.3.4.2 : 78 Eco-System Scaling Diagram . . 133
Figure 7.3.5 : 79 Linear fit error for coil and friendly metal losses. The resistances Rtx and Rrx represent the free-air coil
resistances at the switching frequency. . . 134
Figure 7.3.6 : 80 MPLA estimation error for P_FO grows monotonically away from origin. . . 135
Figure 7.3.7.2 : 81 15W PFO error distribution with and without FO at 85º critical heating radius (scenario 2: Q-test does
detect no FO) . . 137
Figure 7.3.7.2 : 82 10W PFO error distribution with and without FO at 70º critical heating radius (scenario 1: Q-test detects
FO) . . 137
Figure 7.3.8.1 : 83 Recommended flowchart for PTx FOD action. . . 139
Figure 7.3.10.3 : 84 PRx Compliance Test pFO Distribution . . 145
Figure 7.3.10.5 : 85 Compliance Test Ppr shift explanation for Scenario 2 (15W) . . 147
Figure 8.2.1.1 : 86 Comparison of PTx current with and without SHO . . 150
Figure 8.2.1.2 : 87 System Model SHO detection flowchart . . 151
Figure 8.2.1.3 : 88 System Model SHO mitigation flowchart . . 152
Figure 8.3.1 : 89 Simulation based power accounting flow . . 154
Figure 8.3.1 : 90 Loss-Split Power Accounting Flow . . 154
Figure 8.3.2 : 91 Standard T-Model . . 155
Figure 8.3.2 : 92 Loss-Split T-Model . . 155
Figure 8.4.2 : 93 Mutual Resistance Model at a Single Frequency . 159
Figure 8.4.3.2 : 94 Non-linear B-H curve introduces phase offset between PTx current and the integral of PRx induced
voltage, where the out-of-phase component is captured by mutual resistance . . 161
Figure 8.4.4 : 95 Example values of Kr measured with a mated MPP PTx/PRx coil sample . . 162

oSIST prEN IEC 63563-10:2024
List of Tables
Table 4.2.1.3 : 1 Mechanical dimensions for the coil module of the PTx coil system model . . 23
Table 4.2.1.5 : 2 Magnetic field specifications for magnet array . . 26
Table 4.2.1.7 : 3 Mechanical dimensions for the bottom enclosure of the PTx coil system model . . 28
Table 4.2.1.8 : 4 Assembly dimensions of PTx coil system model . . 29
Table 4.2.1.9.1 : 5 Flux density at 0.85mm from PTx orientation magnet surface . . 31
Table 4.2.2.1 : 6 Electrical Parameters of the PTx Coil System Model in Free-Air . . 32
Table 4.3.1.4 : 7 Assembly specifications of coil module for the PRx coil system model . . 36
Table 4.3.1.4 : 8 Mechanical specifications of the PRx coil system model . . 38
Table 4.3.1.5 : 9 Magnet properties of the PRx coil system model . . 39
Table 4.3.1.7 : 10 Assembly specifications for the PRx coil system model . . 42
Table 4.3.1.7 : 11 Mechanical dimensions of support plate . . 42
Table 4.3.2.1 : 12 Electrical Parameters of the PRx Coil System Model in Free-Air . . 42
Table 4.4.1 : 13 Mated electrical parameters (Test case: r=0, z=0 mm) . . 43
Table 4.4.1 : 14 Mated electrical parameters (Test case: r=2, z=2 mm) . . 43
Table 5.2.1.1 : 15 PRx series tuning configuration . . 59
Table 5.2.1.4 : 16 PRx electrical properties (system model) . . 64
Table 5.3.1.2 : 17 PTx power stage capacitor switches configuration . . 67
Table 5.3.1.3 : 18 PTx electrical properties (system model), during power transfer . . 67
Table 6.3.2.1 : 19 Selection of MOD_BASE . . 111
Table 7.2.4 : 20 Glossary . . 120
Table 7.3.2.3 : 21 Eco-System Parameter Representation . . 130
Table 7.3.4.1 : 22 Eco-System scaling terms exchanged between PTx and PRx at startup . . 131
Table 7.3.7.1 : 23 MPLA Scenarios . . 136
Table 7.3.10.2 : 24 Measurement Error Calculation for Scenario 1 (10W) and Scenario 2 (15W) . . 143
Table 7.3.10.3 : 25 pFO Error Budget Calculation . . 144

oSIST prEN IEC 63563-10:2024
1 General Description
1.1 Introduction
1.1.1 Scope
This specification defines MPP (Magnetic Power Profile), an extension to Qi v1.3 BPP (Baseline Power Profile).
Manufacturers can use this specification to implement PTx and/or PRx that are interoperable.
1.1.2 Document organization
The MPP (Magnetic Power Profile) Specification is organized as these documents:
1. MPP System Spec
...

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