1、 IEC 63028 Edition 1.0 2017-06 INTERNATIONAL STANDARD Wireless power transfer Airfuel alliance resonant baseline system specification (BSS) IEC 63028:2017-06(en) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2017 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specif
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10、wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: csciec.ch. IEC 63028 Edition 1.0 2017-06 INTERNATIONAL STANDARD Wireless power transfer Airfuel alliance resonant baseline system specification (BSS) INTERNATIONAL ELECTROTECHNIC
11、AL COMMISSION ICS 29.240.99; 33.160.99; 35.200 ISBN 978-2-8322-4429-6 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. colour inside 2 IEC 63028:2017 IEC:2017 CONTENTS FOREWORD . 7 INTRODUCTION
12、 . 9 1 Scope 10 2 Normative references 10 3 Terms, definitions, symbols and abbreviated terms 10 3.1 Terms and definitions 10 3.2 Symbols and abbreviated terms 13 3.2.1 Symbols 13 3.2.2 Abbreviated terms . 17 4 System description 17 5 Conformance and backwards compatibility 18 6 Device types 19 6.1
13、PTU classification . 19 6.2 PRU category . 20 7 Power transfer specifications . 20 7.1 System equivalent circuit and reference parameters . 20 7.2 General system requirements . 21 7.2.1 Operating frequency 21 7.2.2 Z TX_INrelationship to R RECT. 21 7.2.3 Power stability . 21 7.2.4 PTU co-location pr
14、otection. 21 7.2.5 PRU self-protection (informative) . 21 7.3 Resonator requirements 21 7.3.1 Resonator coupling efficiency (RCE) . 21 7.3.2 PTU resonator requirements 22 7.3.3 PRU resonator requirements . 24 7.4 Load parameters . 25 7.4.1 Load parameters introduction 25 7.4.2 Minimum load resistanc
15、e . 26 7.4.3 Maximum allowable dynamic load 26 7.4.4 Maximum load capacitance 26 8 Power control specifications 26 8.1 Control objectives . 26 8.2 PTU specifications 26 8.2.1 PTU state 26 8.2.2 General state requirements . 27 8.2.3 PTU power save state 28 8.2.4 PTU Low Power state 30 8.2.5 PTU Power
16、 Transfer state . 31 8.2.6 PTU Configuration state 33 8.2.7 PTU Local Fault state 34 8.2.8 PTU latching fault state . 34 8.2.9 PTU state transitions . 35 8.2.10 PTU Test Mode 38 8.3 PRU specifications 38 8.3.1 PRU general requirements . 38 IEC 63028:2017 IEC:2017 3 8.3.2 PRU state model . 41 8.3.3 N
17、ull state . 42 8.3.4 PRU boot . 42 8.3.5 PRU On state 42 8.3.6 PRU System Error state . 43 8.3.7 PRU state transitions . 44 9 Signaling specifications . 45 9.1 Architecture and state diagrams 45 9.1.1 Architecture . 45 9.1.2 Overall charge process 46 9.2 Charge procedure and requirements . 48 9.2.1
18、Removing PRU from WPT network 48 9.2.2 Power Sharing mode . 48 9.3 Bluetooth low energy requirements . 49 9.3.1 Bluetooth low energy requirements introduction . 49 9.3.2 Bluetooth low energy objectives . 49 9.3.3 PTU hardware requirement 49 9.3.4 PRU hardware requirement 49 9.3.5 Basic network struc
19、ture . 49 9.3.6 RF requirements 49 9.3.7 Timing and sequencing requirements . 50 9.3.8 Profile structure . 53 9.4 BLE profile definition . 53 9.4.1 GATT sub-procedure . 53 9.4.2 Configuration . 53 9.4.3 PRU requirements . 54 9.4.4 PTU requirements 55 9.4.5 Connection establishment 55 9.4.6 Security
20、considerations 57 9.4.7 Charge completion . 57 9.5 WPT service characteristics 58 9.5.1 WPT service characteristics introduction 58 9.5.2 PRU advertising payload . 58 9.5.3 WPT service 60 9.5.4 PRU control . 62 9.5.5 PTU static parameter . 64 9.5.6 PRU static parameter characteristic . 69 9.5.7 PRU
21、dynamic parameter characteristic 72 9.5.8 PRU alert characteristic . 76 9.6 Cross connection algorithm . 78 9.6.1 Cross connection algorithm introduction 78 9.6.2 Definitions . 78 9.6.3 Acceptance of advertisement . 78 9.6.4 Impedance shift sensing 78 9.6.5 Reboot bit handling 79 9.6.6 Time set hand
22、ling 79 9.7 Mode transition . 80 9.7.1 Mode transition introduction . 80 9.7.2 Mode transition procedure . 80 4 IEC 63028:2017 IEC:2017 9.7.3 BLE reconnection procedure 81 10 PTU resonators . 83 10.1 PTU resonators introduction 83 10.2 Class n design template 83 10.2.1 Class n design template introd
23、uction 83 10.2.2 Table of specifications . 83 10.2.3 PTU resonator structure 83 10.3 Approved PTU resonators . 83 Annex A (informative) Reference PRU for PTU acceptance testing 84 A.1 Category 1 84 A.2 Category 2 84 A.3 Category 3 84 A.3.1 PRU design 3-1 . 84 A.3.2 Geometry. 84 A.4 Category 4 87 A.5
24、 Category 5 87 Annex B (informative) Lost power 88 B.1 Overview. 88 B.2 General . 88 B.3 Cross connection issues . 88 B.4 Handoff issues 88 B.5 Power noise issues . 89 B.6 PTU lost power calculation 89 B.6.1 Lost power detection threshold 89 B.6.2 Lost power detection speed . 89 B.6.3 PTU lost power
25、 calculation 89 B.6.4 PTU power transmission detection accuracy 89 B.6.5 PRU lost power reports 89 B.6.6 Accuracy of reported power . 90 B.6.7 Other PRU lost power reports 90 Annex C (normative) User experience requirements 91 C.1 General . 91 C.2 User indication 91 C.2.1 PRU user indication . 91 C.
26、2.2 PTU user indication . 91 Annex D (informative) RCE calculations . 92 D.1 RCE calculation (using S-parameters) 92 D.2 RCE calculation (using Z-parameters) . 93 D.2.1 Series tuned case 94 D.2.2 Other RCE calculations 94 D.3 Conversion between S-parameters and Z-parameters . 94 Figure 1 Wireless po
27、wer transfer system 18 Figure 2 PTU-PRU resonator P TX_IN19 Figure 3 PTU-PRU resonator P RX_OUT20 Figure 4 Equivalent circuit and system parameters 20 Figure 5 PTU resonator-load considerations 24 IEC 63028:2017 IEC:2017 5 Figure 6 PTU state model 27 Figure 7 Beacon sequences . 29 Figure 8 Load vari
28、ation detection . 29 Figure 9 Discovery . 30 Figure 10 PTU I TXtransition responses. 31 Figure 11 PRU state model 41 Figure 12 V RECToperating regions . 42 Figure 13 Basic architecture of WPT system 45 Figure 14 Basic state procedure (informative) 47 Figure 15 Registration period timeline example (i
29、nformative) 52 Figure 16 PTU/PRU services/characteristics communication 54 Figure 17 PRU mode transition Device Address field set to a non-zero value . 81 Figure 18 PRU mode transition Device Address field set to all zeros 82 Figure A.1 PRU design 3 block diagram . 84 Figure A.2 Front view . 85 Figu
30、re A.3 Back view . 85 Figure A.4 Side view 86 Figure A.5 Front view, coil only 86 Figure A.6 Side view, coil only . 86 Table 1 PTU classification 19 Table 2 PRU category 20 Table 3 Minimum RCE (percent and dB) between PRU and PTU 22 Table 4 Maximum load capacitance . 26 Table 5 Time requirement to e
31、nter PTU Power Transfer state 28 Table 6 Sub-state of PTU Power Transfer 32 Table 7 PTU latching faults 37 Table 8 Example of accuracy of reported current . 41 Table 9 PRU system errors 45 Table 10 RF budget (informative) . 50 Table 11 Timing constraints . 52 Table 12 BLE profile characteristics . 5
32、3 Table 13 GATT sub-procedure . 53 Table 14 PRU advertising payload . 58 Table 15 Impedance shift bit 60 Table 16 WPT service UUID 60 Table 17 WPT service 61 Table 18 GAP service 62 Table 19 GATT service 62 Table 20 PRU Control Characteristic 63 Table 21 Detail: bit field for enables . 63 Table 22 D
33、etail: bit field for permission 64 Table 23 Detail: bit field for time set . 64 6 IEC 63028:2017 IEC:2017 Table 24 PTU reporting static values to PRU . 65 Table 25 Detail: bit field for optional fields validity 65 Table 26 PTU power 66 Table 27 Max source impedance 67 Table 28 Max load resistance 68
34、 Table 29 AirFuel protocol revision field 69 Table 30 PTU number of devices . 69 Table 31 PRU reporting static values to the PTU . 70 Table 32 Detail: bit field for optional fields validity 70 Table 33 Detail: bit field for PRU information . 71 Table 34 PRU dynamic parameter characteristic 73 Table
35、35 Detail: bit field for optional fields validity 73 Table 36 Detail: bit field for PRU alert 75 Table 37 Detail: bit field for PRU alert 76 Table 38 Test mode commands . 76 Table 39 PRU alert fields . 77 Table 40 Detail: bit field for PRU alert notification 77 Table 41 Mode transition 78 Table A.1
36、PRU table of specifications 84 IEC 63028:2017 IEC:2017 7 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ WIRELESS POWER TRANSFER AIRFUEL ALLIANCE RESONANT BASELINE SYSTEM SPECIFICATION (BSS) FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization c
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47、 responsible for identifying any or all such patent rights. International Standard IEC 63028 has been prepared by technical area 15: Wireless power transfer, of IEC technical committee 100: Audio, video and multimedia systems and equipment. The text of this International Standard is based on the fol
48、lowing documents: FDIS Report on voting 100/2901/FDIS 100/2941/RVD Full information on the voting for the approval of this International Standard can be found in the report on voting indicated in the above table. This document has been drafted in accordance with the ISO/IEC Directives, Part 2. 8 IEC
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