BS EN 63028:2017
$215.11
Wireless Power Transfer. AirFuel Resonant Baseline System Specification (BSS)
Published By | Publication Date | Number of Pages |
BSI | 2017 | 102 |
This document defines technical requirements, behaviors and interfaces used for ensuring interoperability for flexibly coupled wireless power transfer (WPT) systems for AirFuel Resonant WPT. This document is based on AirFuel Wireless Power Transfer System Baseline System Specification (BSS) v1.3.
Products implementing this document are expected to follow applicable regulations and global standards.
PDF Catalog
PDF Pages | PDF Title |
---|---|
2 | undefined |
7 | CONTENTS |
12 | FOREWORD |
14 | INTRODUCTION |
15 | 1 Scope 2 Normative references 3 Terms, definitions, symbols and abbreviated terms 3.1 Terms and definitions |
18 | 3.2 Symbols and abbreviated terms 3.2.1 Symbols |
22 | 3.2.2 Abbreviated terms 4 System description |
23 | 5 Conformance and backwards compatibility Figures Figure 1 – Wireless power transfer system |
24 | 6 Device types 6.1 PTU classification Figure 2 – PTU-PRU resonator PTX_IN Tables Table 1 – PTU classification |
25 | 6.2 PRU category 7 Power transfer specifications 7.1 System equivalent circuit and reference parameters Figure 3 – PTU-PRU resonator PRX_OUT Figure 4 – Equivalent circuit and system parameters Table 2 – PRU category |
26 | 7.2 General system requirements 7.2.1 Operating frequency 7.2.2 ZTX_IN relationship to RRECT 7.2.3 Power stability 7.2.4 PTU co-location protection 7.2.5 PRU self-protection (informative) 7.3 Resonator requirements 7.3.1 Resonator coupling efficiency (RCE) |
27 | 7.3.2 PTU resonator requirements Table 3 – Minimum RCE (percent and dB) between PRU and PTU |
29 | 7.3.3 PRU resonator requirements Figure 5 – PTU resonator-load considerations |
30 | 7.4 Load parameters 7.4.1 Load parameters introduction |
31 | 7.4.2 Minimum load resistance 7.4.3 Maximum allowable dynamic load 7.4.4 Maximum load capacitance 8 Power control specifications 8.1 Control objectives 8.2 PTU specifications 8.2.1 PTU state Table 4 – Maximum load capacitance |
32 | 8.2.2 General state requirements Figure 6 – PTU state model |
33 | 8.2.3 PTU power save state Table 5 – Time requirement to enter PTU Power Transfer state |
34 | Figure 7 – Beacon sequences Figure 8 – Load variation detection |
35 | 8.2.4 PTU Low Power state Figure 9 – Discovery |
36 | 8.2.5 PTU Power Transfer state Figure 10 – PTU ITX transition responses |
37 | Table 6 – Sub-state of PTU Power Transfer |
38 | 8.2.6 PTU Configuration state |
39 | 8.2.7 PTU Local Fault state 8.2.8 PTU latching fault state |
40 | 8.2.9 PTU state transitions |
42 | Table 7 – PTU latching faults |
43 | 8.2.10 PTU Test Mode 8.3 PRU specifications 8.3.1 PRU general requirements |
46 | 8.3.2 PRU state model Figure 11 – PRU state model Table 8 – Example of accuracy of reported current |
47 | 8.3.3 Null state 8.3.4 PRU boot 8.3.5 PRU On state Figure 12 – VRECT operating regions |
48 | 8.3.6 PRU System Error state |
49 | 8.3.7 PRU state transitions |
50 | 9 Signaling specifications 9.1 Architecture and state diagrams 9.1.1 Architecture Figure 13 – Basic architecture of WPT system Table 9 – PRU system errors |
51 | 9.1.2 Overall charge process |
52 | Figure 14 – Basic state procedure (informative) |
53 | 9.2 Charge procedure and requirements 9.2.1 Removing PRU from WPT network 9.2.2 Power Sharing mode |
54 | 9.3 Bluetooth low energy requirements 9.3.1 Bluetooth low energy requirements introduction 9.3.2 Bluetooth low energy objectives 9.3.3 PTU hardware requirement 9.3.4 PRU hardware requirement 9.3.5 Basic network structure 9.3.6 RF requirements |
55 | 9.3.7 Timing and sequencing requirements Table 10 – RF budget (informative) |
57 | Figure 15 – Registration period timeline example (informative) Table 11 – Timing constraints |
58 | 9.3.8 Profile structure 9.4 BLE profile definition 9.4.1 GATT sub-procedure 9.4.2 Configuration Table 12 – BLE profile characteristics Table 13 – GATT sub-procedure |
59 | 9.4.3 PRU requirements Figure 16 – PTU/PRU services/characteristics communication |
60 | 9.4.4 PTU requirements 9.4.5 Connection establishment |
62 | 9.4.6 Security considerations 9.4.7 Charge completion |
63 | 9.5 WPT service characteristics 9.5.1 WPT service characteristics introduction 9.5.2 PRU advertising payload Table 14 – PRU advertising payload |
65 | 9.5.3 WPT service Table 15 – Impedance shift bit Table 16 – WPT service UUID |
66 | Table 17 – WPT service |
67 | 9.5.4 PRU control Table 18 – GAP service Table 19 – GATT service |
68 | Table 20 – PRU Control Characteristic Table 21 – Detail: bit field for enables |
69 | 9.5.5 PTU static parameter Table 22 – Detail: bit field for permission Table 23 – Detail: bit field for time set |
70 | Table 24 – PTU reporting static values to PRU Table 25 – Detail: bit field for optional fields validity |
71 | Table 26 – PTU power |
72 | Table 27 – Max source impedance |
73 | Table 28 – Max load resistance |
74 | 9.5.6 PRU static parameter characteristic Table 29 – AirFuel protocol revision field Table 30 – PTU number of devices |
75 | Table 31 – PRU reporting static values to the PTU Table 32 – Detail: bit field for optional fields validity |
76 | Table 33 – Detail: bit field for PRU information |
77 | 9.5.7 PRU dynamic parameter characteristic |
78 | Table 34 – PRU dynamic parameter characteristic Table 35 – Detail: bit field for optional fields validity |
80 | Table 36 – Detail: bit field for PRU alert |
81 | 9.5.8 PRU alert characteristic Table 37 – Detail: bit field for PRU alert Table 38 – Test mode commands |
82 | Table 39 – PRU alert fields Table 40 – Detail: bit field for PRU alert notification |
83 | 9.6 Cross connection algorithm 9.6.1 Cross connection algorithm introduction 9.6.2 Definitions 9.6.3 Acceptance of advertisement 9.6.4 Impedance shift sensing Table 41 – Mode transition |
84 | 9.6.5 Reboot bit handling 9.6.6 Time set handling |
85 | 9.7 Mode transition 9.7.1 Mode transition introduction 9.7.2 Mode transition procedure |
86 | 9.7.3 BLE reconnection procedure Figure 17 – PRU mode transition – Device Address field set to a non-zero value |
87 | Figure 18 – PRU mode transition – Device Address field set to all zeros |
88 | 10 PTU resonators 10.1 PTU resonators introduction 10.2 Class n design template 10.2.1 Class n design template introduction 10.2.2 Table of specifications 10.2.3 PTU resonator structure 10.3 Approved PTU resonators |
89 | Annex A (informative)Reference PRU for PTU acceptance testing A.1 Category 1 A.2 Category 2 A.3 Category 3 A.3.1 PRU design 3-1 A.3.2 Geometry Figure A.1 – PRU design 3 block diagram Table A.1 – PRU table of specifications |
90 | Figure A.2 – Front view Figure A.3 – Back view |
91 | Figure A.4 – Side view Figure A.5 – Front view, coil only Figure A.6 – Side view, coil only |
92 | A.4 Category 4 A.5 Category 5 |
93 | Annex B (informative)Lost power B.1 Overview B.2 General B.3 Cross connection issues B.4 Handoff issues |
94 | B.5 Power noise issues B.6 PTU lost power calculation B.6.1 Lost power detection threshold B.6.2 Lost power detection speed B.6.3 PTU lost power calculation B.6.4 PTU power transmission detection accuracy B.6.5 PRU lost power reports |
95 | B.6.6 Accuracy of reported power B.6.7 Other PRU lost power reports |
96 | Annex C (normative)User experience requirements C.1 General C.2 User indication C.2.1 PRU user indication C.2.2 PTU user indication |
97 | Annex D (informative)RCE calculations D.1 RCE calculation (using S-parameters) |
98 | D.2 RCE calculation (using Z-parameters) |
99 | D.2.1 Series tuned case D.2.2 Other RCE calculations D.3 Conversion between S-parameters and Z-parameters |