Qi无线充电标准(20100831)

【实例简介】
Qi无线充电标准(20100831) 无线充电官方标准！
System Description Wireless power transfer Version 1.0 System Description Wireless power transfer Volume l: low power Part 1: Interface definition Version 1.0 July 2010 c Wireless Power Consortium, July 20 10 System Description Wireless power transfer Version 1.0 COPYRIGHT This System Description Wireless Power Transfer is published by the Wireless Power Consortium, and has been prepared hy the wireless power Consortium in close co-operation with ConvenientPower Ltd Fulton Innovation LLC, National Semiconductor Corporation, Nokia Corporation, Olympus Imaging Corporation, Research In Motion, Limited, Royal Philips Electronics, Sanyo Electric Co Ltd, Shenzhen Sang Fei consumer Communications Co Ltd, and Texas Instruments Inc.. All rights are reserved. 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. However, neithe the wireless power consortium, nor ConvenientPower Ltd, nor Fulton Innovation LLC, nor nationa Semiconductor Corporation, nor Nokia Corporation, nor Olympus Imaging Corporation, nor Research In Motion Limited, nor Royal Philips Electronics, nor Sanyo Electric Co. Ltd, nor Shenzhen Sang Fei Consumer Communications Co Ltd, nor Texas Instruments Inc will be liable for any damages, including indirect or consequential, from use of this System Description Wireless Power Transfer or reliance on the accuracy of this document. CLASSIFICATION The information contained in this document is marked as confidential NOTICE For any further explanation of the contents of this document, or in case of any perceived in consistency or ambiguity of interpretation, or for any information regarding the associated patent license program, pleasecontactinfo@wirelesspowerconsortium.com o Wireless Power Consortium, July 2010 System Description Wireless power transfer Version 1.0 Table of contents Table of contents 1 General,w…1 1.1 Scope…..............4 1.2 Main features 1.3 Conformance and references 14 De finitions… 2 1.5 Acronyms 16 Symbols… 1. Conventions 11罪:道 1.7.1 Cross references 1.7.2 Informative text 4 1.7.3 Terms in capitals..m.m.m... 1.7.4 Notation of numbers 1.7.5 Units of physical quantities 1.7.6 Bit ordering in a byte 4 1.7 Byte numbering……… 17.8 Multiple- bit fields…… 1.8 Operators 1.8.1 Excl OR 1.8.2 Concatenation…………… 2 System Overview〔 formative)… 3 Basic power transmitter designs mammmmammmmmmmmm 11 3.1 Introduction 11 3.2 Power Transmitter designs that are based on a single Primary coil 11 3.2.1 Power Transmitter design A1 3.2.2 Power Transmitter design a2 16 3.3 Power Transmitter designs that are based on an array of Primary coils 0 3.3.1 Power Transmitter design B1 1111 20 3.3.2 Power Transmitter design B2 4 Power Receiver Design Requirements. mann 29 4.1[ ntroduction.… 29 4.2 Power Receiver design requirements ::: ……1..1.130 4.2.1 Mechanical requirements........ 30 4.2.2 Electrical requirements........... 31 5 System Control…… 35 5.2 Power Transmitter perspective 38 52.1 Ping phase… 38 5.2.2 Identification configuration ph 39 5.2.3 Power transfer phase .42 5.3 Power Receiver perspective 5.3. 1 Selection phase 46 5.3.2 Ping phase 47 c Wireless Power Consortium, July 20 10 System Description Wireless power transfer Table of con tents Version 1.0 5.3.3 Identification configuration phase 5.3.4 Power transfer phase 48 6 Communications Interface 51 6.1 Introduction 51 6.2 Physical and data link layers …51 6.2.1 Modulation scheme 51 6.2.2 Bit encoding scheme 52 6.2.3 Byte encoding scheme 6.2.4 Packet structure 52 63 Logical layer…, 6.3. 1 Signal Strength Packet(0x01) 1 …………155 632 End power transfer packet(0x02)……… 56 6.3.3 Control Error Packet(0x03 57 634 Rectified power packet(Ox04)….,.,,,…, 57 6.3.5 Charge Status Packet(0x05)...m... 57 6.3.6 Power Control Hold-off Packet (0x06) 57 6.3.7 Configuration Packet (0x51)...... 58 6.3.8 Identification Packet (0x71) 58 6.3.9 Extended Identification Packet(Ox8 Annex A Example Power Receiver Designs (Informative) n61 A 1 Power Receiver example 1 11重 61 A.1.1 Mechanical details 61 A.1.2 Electrical details A2 Power Receiver A 2.1 Mechanical details mmmmmmmmmmmmmmmmmmmmm 64 A.2.2 Electrical details …65 Annex b Object Detection(Informative……267 B. 1 Resonance shift 67 B 2 Capacitance change 68 AnnexC Power Receiver Localization (Informative) 69 C1 Guided positioning-…… .69 C 2 Primary Coil array based Free Positioning .69 C.2.2 Two Power Receivers covering two adjacent Primary lell. C.2.1 A single Power Receiver covering multiple Primary Cells .69 70 C 2. 3 Two Power Receivers covering a single Primary cell 70 C3 Moving Primary Coil based Free Positioning AnnexD Metal Object Detection(Informative)..m.m.m.m.73 o Wireless Power Consortium, July 2010 System Description Wireless power transfer Version 1.0 Table of contents List of figures Figure 1-1: Bit positions in a byte Figure 1-2: Example of multiple-bit field Figure 2-1: Basic system overview 8 Figure 3-1: Functional block diagram of Power Transmitter design A1 Figure 3-2: Primary Coil of Power Transmitter design Al 12 Figure 3-3: Primary Coil assembly of Power Transmitter design A1 13 Figure 3-4: Electrical diagram (outline )of Power Transmitter design a1 ………… 14 Figure 3-5: Functional block diagram of Power Transmitter design a2 16 Figure 3-6: Primary Coil of Power Transmitter design A2 17 Figure 3-7: Primary Coil assembly of Power Transmitter design a2 18 Figure 3-8: Electrical diagram(outline )of Power Transmitter design A2 ,19 Figure 3-9: Functional block diagram of Power Transmitter design B1 20 Figure 3-10: Primary Coil array of Power Transmitter design B1 21 Figure 3-11: Primary Coil array assembly of Power transmitter design b1 22 Figure 3-12: Electrical diagram(outline) of Power Transmitter design B1 23 Figure 3-13: Multiple type b1 Power Transmitters sharing a multiplexer and primary coil array....25 Figure 3-14: Primary Coil array of Power transmitter design B2 Figure 4-1: Example functional block diagram of a Power receiver. 1 29 Figure 4-2: Secondary Coil assembly 30 Figure 4-3: Dual resonant circuit of a Power receiver 31 Figure4-4:〔 haracterization of resonant frequencies…… 32 Figure 5-1: Power transfer phases 35 Figure 5-2: Power transfer control loop Figure 5-3: Power Transmitter timing in the ping hasc 37 Figure 5-4: Power Transmitter timing in the identification configuration phase 41 Figure 5-5: Power Transmitter timing in the power transfer phase.............43 Figure 5-6: PID control algorithm 44 Figure 5-7: Power Receiver timing in the selection phase 47 Figure 5-8: Power Receiver timing in the ping phase 47 Figure 5-9: Power Receiver timing in the identification configuration phase 48 Figure 5-10: Power Receiver timing in the power transfer phase 49 Figure 6-1: Amplitude modulation of the power Signal :1 51 Figure 6-2: Example of the differential bi-phase encoding 52 Figure 6-3: Example of the asynchronous serial format 52 Figure 6-4: Packet format 1重重11 ……153 Figure A-1: Secondary Coil of Power Receiver example 1 61 Figure A-2: Secondary Coil and Shielding assembly of Power Receiver example 1 62 Figure A-3: Electrical details of Power Receiver example 1 62 Figure A-4: Li-ion battery charging profile 道:1面111 63 Figure A-5: Secondary Coil of Power Receiver example 2. 64 igure A-6 Secondary coil and shielding assembly of Power receiver example 2 65 Figure A-7: Electrical details of Power Receiver example 2 Figure B-1: Analog ping based on a resonance shift 67 Figure c-1: Single Power Receiver covering multiple Primary Cells .70 Figure C-2: Two Power Receivers covering two adjacent Primary Cells 70 Figure C-3: Two Power Receivers covering a single Primary Cell .71 Figure C-4: Detection Coil... 72 c Wireless Power Consortium, July 20 10 System Description Wireless power transfer Table of con tents Version 1.0 List of tables Table 3-1: Primary Coil parameters of Power Transmitter design al........ 12 Table 3-2: PID parameters for Operating Frequency control 14 Table 3-3: Operating Frequency dependent scaling factor 111重 14 Table 3-4: Pid parameters for duty cycle control 15 Table 3-5: Primary Coil parameters of Power transmitter design A2 17 Table 3-6: PID parameters for voltage control 19 Table 3-7: Primary Coil array parameters of Power Transmitter design B1 22 Table 3-8: PID parameters for voltage control 24 Table 3-9: Primary Coil array parameters of Power Transmitter design B2 26 Table 5-1: Power Transmitter timing in the ping phase 38 Table 5-2: Power Transmitter timing in the identification & configuration phase 41 Table 5-3; Power control hold-off time 141 Table 5-4: Power Transmitter timing in the power transfer phase 44 Table 5-5: Power Receiver timing in any phase 46 Table 5-6: Power Receiver timing in the selection phase 47 Table 5-7: Power Receiver timing in the identification configuration phase.............48 Table 5-8: Power Receiver timing in the power transfer phase 49 Table 6-1: Amplitude modulation of the Power signal 1 52 Table 6-2: Message …………53 Table6-3: Packet types….,… 54 Table6-4: Signal strength……… 55 Table 6-5: End power transfer 56 Table 6-6: End power transfer values 56 Table 6-7: Control error Table 6-8: Rectified powe 57 Table 6-9: Charge Status Table 6-10: Power control hold-off 58 Table 6-11: Configuration 58 Table 6-12: Identification 59 Table 6-13: Extended identification 60 Table A-1: Secondary Coil parameters of Power Receiver example 1 61 Table A-2: Parameters of the Secondary Coil of Power Receiver example 2 64 Table B-1: Analog ping based on a resonance shift 67 o Wireless Power Consortium, July 2010 System Description Wireless power transfer Version 1.0 General 1 General 1.1 Scope Volume i of the system Description Wireless Power transfer consists of the following documents Part 1 interface definition Part 2, Performance requirements Part 3, Compliance Testing This document defines the interface between a power transmitter and a power receiver 1.2 Main features A method of contactless power transfer from a Base Station to a Mobile device, which is based on near field magnetic induction between coils Transfer of around 5 w of power, using an appropriate Secondary Coil having a typical outer dimension of around 40 mm) Operation at frequencies in the 110.205 kHz range. Support for two methods of placing the Mobile device on the surface of the Base Station o Guided positioning helps a user to properly place the mobile device on the surface of a Base Station that provides power through a single or a few fixed locations of that surface o Free Positioning enables arbitrary placement of the Mobile Device on the surface of a Base Station that can provide power through any location of that surface a simple communications protocol enabling the mobile device to take full control of the power transfer Considerable design flexibility for integration of the system into a Mobile device Very low stand-by power achievable (implementation dependent 1.3 Conformance and references All specifications in this document are mandatory, unless specifically indicated as recommended or optional or informative. To avoid any doubt, the word" shall indicates a mandatory behavior of the specified component, i. e. it is a violation of this System Description Wireless Power Transfer if the specified component does not exhibit the behavior as defined. In addition, the word"should"indicates a recommended behavior of the specified component, i.e. it is not a violation of this System Description Wireless Power Transfer if the specified component has valid reasons to deviate from the defined behavior. And finally, the word"may" indicates an optional behavior of the specified component, i. e. it is up to the specified component whether to exhibit the defined behavior (without deviating there from) or not In addition to the specifications provided in this document, product implementations shall also conform to the specifications provided in the System Descriptions listed below. Moreover, the relevant parts of the International Standards listed below shall apply as well. If multiple revisions exist of any System Description or International Standard listed below, the applicable revision is the one that was most recently published at the release date of this document Part 2 System Description Wireless Power Transfer, Volume I, Part 2, Performance Requirements Part] System Description Wireless Power Transfer, Volume l, Part 3, Compliance Testing [PRMCI Power receiver manufacturer codes. wireless power consortium c Wireless Power Consortium, July 20 10 System Description Wireless power transfer General Version 1.0 The International System of Units (SD, Bureau International des Poids et Mesures 1.4 Definitions Active are a The part of the Interface Surface of a Base Station respectively Mobile Device through which a sufficiently high magnetic flux penetrates when the base Station is providing power to the Mobile device Base station a device that is able to provide near field inductive power as specified in this System Description Wireless Power Transfer. A Base Station carries a logo to visually indicate to a user that the Base Station com plies with this System Description Wireless Power Transfer. Communications and control unit The functional part of a Power Transmitter respectively Power receiver that controls the power transfe informative) Implementation-wise, the Communications and Control Unit may be distributed over multiple subsystems of the base station respectively mobile device Control point The combination of voltage and current provided at the output of the Power Receiver, and other parameters that are specific to a particular Power receiver implementation. Detection unit The functional part of a Power Transmitter that detects the presence of a Power Receiver on the interface surface Digital Ping The application of a Power Signal in order to detect and identify a Power Receiver Free positioning A method of positioning a Mobile Device on the Interface Surface of a Base Station that does not require the user to align the Active area of the mobile Device to the active area of the base station Guided Positioning A method of positioning a mobile device on the Interface surface of a base Station that provides the user with feedback to properly align the Active Area of the mobile device to the active area of the base station Interface Surface A flat part of the surface of a Base Station respectively Mobile Device that is closest to the Primary Coil(s] respectively Secondary coil Mobile device a device that is able to consume near field inductive power as specified in this System Description Wireless power transfer. A Mobile device carries a logo to visually indicate to a user that the mobile device complies with this system Description Wireless Power transfer Operating Frequency The oscillation frequency of the Power Signal Operating point The combination of the frequency, duty cycle and amplitude of the voltage that is applied to the Primary cell. Packet a data structure that the Power Receiver uses to communicate a message to the Power Transmitter. A Packet consists of a preamble, a header byte, a message and a checksum. a Packet is named after the kind of message that it contains Power Conversion Unit The functional part of a Power Transmitter that converts electrical energy to a Power signal Power Pick-up Unit The functional part of a Power Receiver that converts a Power Signal to electrical energ Power receiver The subsystem of a Mobile device that acquires near field inductive power and controls its availability at its output, as defined in this System Description Wireless Power Transfer. For this purpose, the power receiver communicates its power requirements to the Power Transmitter. o Wireless Power Consortium, July 2010 【实例截图】
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