IDT无线充电方案

1、2010 Integrated Device Technology, Inc.IDT Wireless Power SolutionAnalog and Power DivisionCONFIDENTIALPAGE 2CONFIDENTIALwww.IDT.comAgenda Market, Applications, System OperationWireless Power Overview Overview and BenefitsIDTP9030 Transmitter (Tx) Overview and BenefitsIDTP9020 Receiver (Rx) Benefits

2、 and SummaryIDT Wireless Tx and Rx Synergy2010 Integrated Device Technology, Inc.Wireless Power OverviewCONFIDENTIALPAGE 4CONFIDENTIALwww.IDT.comWhy Wireless Power?Alternative to Carrying Bulky Chargers for Laptops, Mobile Phones, Tablets, e-Readers, and Media PlayersSimply Place Device on Charging

3、MatEliminate Cords and Wires230 Million Electronic Devices Forecast to Use Wireless Charging by 2014 (iSuppli)Samsung, Motorola, LG, HTC, Fujitsu, NEC and Sharp All Have Qi-Compatible Mobile PhonesPotential Wireless Charging for iPhone 5An Apple patent indicates the company could be readying a wirel

4、ess charging system that would be built into its iMac computers to charge nearby wireless devices, such as a keyboard, mouse, and iPhones containing the appropriate receiversSource: iSuppli Corp (June 2010)http:/ 5CONFIDENTIALwww.IDT.com Industry-Accepted StandardizationStandardization Increases Con

5、sumer Confidence and DemandQi “气气” (Chee: “Vital Energy” in Asian Philosophy - An Intangible Flow of Power无形的能量)Industry Standard Developed by Wireless Power Consortium (WPC)Rapid Industry-Wide Adoption (100+ Members by Oct. 2011)CONFIDENTIALPAGE 6CONFIDENTIALwww.IDT.comWide Range of ApplicationsWid

6、e Range of Mobile DevicesMobile Phone TabletCameraMP3 Player MID, Battery charging, or other suitable loadsWide Range of LocationsOfficeResidential (bedroom, kitchen, family area, bathroom)HotelsCoffee ShopsPublic Waiting AreasEducational (schools, universities, libraries.)AirportsAircraft SeatsMedi

7、calAutomotiveTheatersRestaurantsCONFIDENTIALPAGE 7CONFIDENTIALwww.IDT.comApplication Solution Examples2010 Integrated Device Technology, Inc.Technology Overview and System OperationCONFIDENTIALPAGE 9CONFIDENTIALwww.IDT.comWireless Power Transfer Power Transfer via Magnetic Induction at Short Distanc

8、es (mm) Transmitter (Tx) and Receiver (Rx) Coils are Magnetically Coupled Inductors AC current in Tx coil generates magnetic field, which induces a voltage in Rx coil. Rx voltage may be used to power a mobile device or charge a battery Magnetic Field Concentrated in Small Volume Between Tx/Rx User E

9、xposed to Leakage Fields Only, which are Minimized by Shielding Improve Coupling between Coils byv Matching coil sizesv Flat interface surface to keep the distance small.v Shielding and aligning coilsdB/dtIRx SurfaceRx CoilTx CoilShieldingShieldingTx SurfaceDistanceCONFIDENTIALPAGE 10CONFIDENTIALwww

10、.IDT.comBase StationTransmitterTransmitterWireless Power SystemTransmitter (Tx)Power Conversion Unit: DC-to-AC ConversionAdapts Power TransferTo the need of the receiverTo a required operating pointReceives MessagesVia communication PacketsBy de-modulation of the reflected loadReceiver (Rx)Power Rec

11、eive Unit: AC-to-DC Conversion Controls Received PowerTo the need of the mobile deviceTo the desired operating pointSends MessagesVia communication packetsBy load modulation on the power signalMobile DeviceReceiverTransmitterLoad System PowerPower ConversionPower Pick-upControlControlMessagesCommCom

12、mReflected LoadModDeMod2010 Integrated Device Technology, Inc.IDTP9030 Wireless Power Transmitter (Tx)CONFIDENTIALPAGE 12CONFIDENTIALwww.IDT.comIDTP9030-WPC Qi Compliant TransmitterIndustrys first Single Chip Solution for Wireless Power Consortium (WPC) compliant power transmitters (single coil or f

13、ree positioning)Compliant to Wireless Power Consortium WPC version 1.0 specificationsUp to 20V Operating Input VoltageIntegrated Half-Bridge InverterClosed Loop Power Transfer Control between Base Station and Mobile DeviceDemodulates and Decodes WPC Compliant Message PacketsProgrammable option for a

14、dded security and encryption up to 64 bitAdvanced Foreign Object Detection (FOD) for safetyProprietary Base to Mobile Communication for 2-Way Secure AuthenticationHighest Total System Efficiency when used with IDTP9020 Power Receiver ICI2C InterfaceOver Temperature/Voltage/Current ProtectionThermal

15、Loop ControlPower Good Status PinPackages:6x6-48 VFQFNWLCSP-TBDEmbedded Micro ControllerHigh Eff. Synchronous Half Bridge Inverter FODForeign Object DetectionRAMProprietary Back Channel Communication Status & PowerGood IndicatorOTP, UVLOOVP, OCPHigh Eff. BuckConverter GPIOI2CClockROM 2 Ways Secu

16、re AuthenticationModulation/Demodulation Thermal LoopControlADCCONFIDENTIALPAGE 13CONFIDENTIALwww.IDT.comIDTP9030 Transmitter Specification IDTP9030: Industrys First Single Chip “Qi”-Compliant SolutionAdditional support for enhanced proprietary modes availableSwitching Frequency Range: 110 205kHzDC-

17、to-AC Efficiency 90% WPC ModeIDT Proprietary ModeInput Range18V - 20V10V - 20VControl AlgorithmPIDProprietaryAuthenticationOFFONFODs1,21,2,3,4Secure LinkOFFON during initial verificationCONFIDENTIALPAGE 14CONFIDENTIALwww.IDT.comTransmitter Value-Add Beyond QiIndustrys First Single Chip Integrated Tr

18、ansmitterEmbedded Microcontroller for Multi-Mode Operation (Dynamic Switching Between WPC and Proprietary Modes)Proprietary Multi-Layered Foreign Object Detection (FOD)FOD1, FOD2 (requires IDTP9030 TX)FOD3, FOD4 (require IDTP9030/9020 TX/RX respectively)Proprietary Back Channel Communication (TX RX)

19、Transmitter communicates with Receiver2-way Secure Authentication of Base and Mobile DeviceUses SHA-1 as default, more complex hashing algorithm can be supportedHigh Efficiency DC-to-AC Conversion (90%)CONFIDENTIALPAGE 15CONFIDENTIALwww.IDT.comIDTU9030 Tx vs Competitor 2nd Gen TxApplication AreaComp

20、etitor: 1800 mm2IDT: 400 mm280% reduction in area # Components Competitor: 91 w/9 ICsIDT: 30 (1 IC)Less than 1/3 component count of TI 2nd Gen solution89% fewer ICs requiredCONFIDENTIALPAGE 16CONFIDENTIALwww.IDT.comCompetitive Analysis: Transmitter ICFeatureIDTP9030BQ500210 (2nd Gen)MC56F8006VLCSing

21、le Chip TxYesNoNoEmbedded uCYesNoNoMulti-Mode OperationYesNoNoMulti-Layered FODYesNoNoBack Channel CommYesNoNo2-way AuthenticationYesNoNoI2C/PMBUSYesYesYesExternal BOM3091UnknownTotal Sockets19UnknownCompetition Sockets7UnknownBoard Footprint400mm21800mm2UnknownPackage6mm x 6mm7mm x 7mm7mm x 7mm2010

22、 Integrated Device Technology, Inc.IDTP9020 Wireless Power Receiver CONFIDENTIALPAGE 18CONFIDENTIALwww.IDT.comFully Integrated Single Chip Solution for WPC receiver with 5V regulated output up to 7.5WCompliant to Wireless Power Consortium WPC version 1.0 specificationsIntegrated Full-Bridge Synchron

23、ous RectifierIntegrated High Efficiency Synchronous Buck ConverterIntegrated USB Adaptor SwitchesClosed Loop Power Transfer control between Base Station and Mobile DeviceEmbedded Micro ControllerROM & RAMSecurity Authentication (Optional)I2C InterfaceAdvanced Foreign Object Detection (FOD) for s

24、afetyProgrammable option for added security and encryption up to 64 bit AC and DC Modulation/DemodulationCompatible with ALL WPC receiver coilsSupports Proprietary Back Channel CommunicationOpen Drain Coupling LED indicator OutputsStatus and Power Good IndicatorOver Temperature/Voltage/Current Prote

25、ctionThermal Loop ControlPower Good Status PinPackages:7x7-56 TQFNWLCSP-TBDIDTP9020 - WPC Qi Compliant ReceiverEmbedded Micro ControllerHigh Effi Synchronous Full Bridge Rectifier Multi Layer Foreign Object DetectionRAM Proprietary Back Channel Communication Status & PowerGood IndicatorOTP, UVLO

26、OVP, OCPHigh Effi Buck ConverterUSB/AdaptorControlI2CClockROM 2 Ways Secure AuthenticationModulation/Demodulation Thermal LoopControlGPIOADCCONFIDENTIALPAGE 19CONFIDENTIALwww.IDT.comReceiver Value-Add Beyond Qi High-Efficiency Switching Regulator and RectifierAC-to-DC (90%), DC-to-DC (90%) Embedded

27、Microcontroller for Multi-Mode Operation Proprietary Multi-Layered Foreign Object Detection (FOD)FOD3, FOD4 require IDTP9030/9020 on TX and RX respectively Proprietary Back Channel Communication (TX RX) 2-way Authentication of Base and Mobile Device (optional) Deliver up to 7.5W with High Efficiency

28、 Synchronous Buck Integrated Low Rds(On) USB Adaptor Switch Enabling USB Charging Integrated ADC for System Monitoring FunctionsCONFIDENTIALPAGE 20CONFIDENTIALwww.IDT.comIntegrated Low Rds(On) SwitchesIDTP9020: True Single Chip Solution for Mobile Wireless Power ChargingIDTP9020 Integrates Low Rds(O

29、n) Switches for USB Adaptor Competition Requires External MOSFETs for USB Adaptor Path (shown below)Competitors ReceiverSolutionCONFIDENTIALPAGE 21CONFIDENTIALwww.IDT.comCompetitive Analysis: Receiver ICFeatureIDTP9020BQ51013 (2nd Gen)MC9RS08KB4CTGSingle Chip RxYesNoNoEmbedded uCYesNoYesMulti-Mode O

30、perationYesNoNoMulti-Layered FODYesNoNoBack Channel CommYesNoNo2-way AuthenticationYesNoNoIntegr. Current LimiterYesNoNoI2C/PMBUSYesNoYesIntegrated USB SwitchesYesNoYesHigh Efficiency BuckYesNoNoPackage7mm x 7mm4.5mm x 3.5mmUnknown2010 Integrated Device Technology, Inc.IDT Wireless Power Solution Sy

31、nergyCONFIDENTIALPAGE 23CONFIDENTIALwww.IDT.comIDT Smart Phone/MID Solution ExampleTransmitter resides inaccessory (not in portable device)CONFIDENTIALPAGE 24CONFIDENTIALwww.IDT.comIDTP9030 Tx & IDTP9020 Rx Synergy24LoadIDTP9030 TransmitterSynch Half Bridge Inverter Micro Controller FODRAMStatus

32、 & PG IndicatorOTP, UVLOOVP, OCPBuckConverter I2CGPIOROM 2 Ways Secure AuthenticationModulation/Demodulation Thermal LoopControlADCClockMicro ControllerSynch Full Bridge Rectifier FODRAM Status & PG IndicatorOTP, UVLOOVP, OCPBuck ConverterUSB/AdaptorControlI2CClockROM 2 Ways Secure Authentic

33、ationModulation/Demodulation ThermalControlGPIOADCIDTP9020 ReceiverWPC Qi Communication LinkIDT Back ChannelCommunicationPowerBack ChannelCommunicationMulti-Layer ForeignObject DetectionMulti-Mode Support with Dynamic Switching64-bit SecurityEncryptionCONFIDENTIALPAGE 25CONFIDENTIALwww.IDT.comCompatible with All WPC Rx and Tx CoilsTX-A1TX-B1RX-A,B,C,DLow profile coils (1mm thick)+ MoreCONFIDENTIALPAGE 26CONFIDENTIALwww.IDT.com Fully IntegratedIndustrys First Single Chip Solution for Wireless ChargingInteg