Freescale Wireless Charging Technology

Transcription

1 Freescale Wireless Charging Technology APF-CON-T0448 Beta Chen MCU FAE A P R TM External Use

2 Agenda What We Get What s Next What s Inside How to Implement What We Need External Use 1

3 What We Get External Use 2

4 The Protocols External Use 3

5 Which Side? External Use 4

6 All about Maxwell Electromagnetic Basics Ampere s Law: An oscillating electric field produces an oscillating magnetic field Faraday s Law: An oscillating magnetic field produces an oscillating electric field External Use 5

7 MI vs. MR Magnetic Induction (MI) Transmitter coil creates a magnetic field, and receiver coil picks up the magnetic field and generates electric current Magnetic Resonance (MR) Both transmitter and receiver coils operate at approximately same natural frequencies External Use 6

8 Thumb Up & Down Magnetic Induction (MI) Simple, safe, mature Limited X/Y/Z, one by one Magnetic Resonance (MR) Spatial free, multiple-device Extra communication required, SAFETY - MIT, 2007 External Use 7

9 WPC Qi Roadmap Current specification includes up to 5W Enable mobile phone market Additional features such as foreign object detection Full flexibility on the device side Wide range of transmitter types available Extending the Qi low power specification to 15 Watts Enables fast phone charging Align with increased power requirements of smart phones Enable wireless charging for new class of devices Est. spec delivery Q4 13 Medium power: Watt Enables charging of tablets and notebook computers High power: up to 2000 Watt Enables wireless kitchen appliances External Use 8

10 Freescale Wireless Charging Solutions Broad Flexibility Industry s first programmable solution, offering customers the utmost design flexibility Accelerate Time-to-Market Production-ready designs with market specific focus Unequivocal Performance Unparalleled performance delivering an optimized HW and SW platform External Use 9

11 Freescale Wireless Charger Market Segments External Use 10

12 Low-cost Consumer Tx 5Watt Single-Coil Charger EVM available on website now Kit includes schematic, BOM & design files Includes configurable library file for system tuning Premium version silicon & library available for application layer programming Internal digital demodulation for major BOM cost reduction Supports most standard single-coils designed for 5 Watt applications External Use 13

13 WCT1000 5W Single Coil Tx Hardware 100MHz core Support half or full-bridge power stage Run-time calibration capable Low Run power (< 30mA PID loop current) Ultra-low Stby power capable 32QFN Software Configurable firmware library Core charging functions Foreign objection detection Digital demodulation I2C for Touch Sense Interface External Use 14

14 WCT1101 5W Premium Option Hardware More Flash & RAM available for customization Support single or multi-coil systems 20+ Additional IOs for add-on functions 64LQFP Software Additional program memory and IOs for custom application code External Use 15

15 WPC A13 Automotive Charger WPC A13 Automotive Charger Fixed-frequency charging topology Rev. 3 EVM is under the process of Qi certification Will be released by the end of June. Kit includes schematic, BOM & design files Includes configurable library file for system tuning & application layer programming External Use 16

16 Feature Rich Reference Design External Use 17

17 What You Get! External Use 18

18 Freescale Proof-of-concept External Use 19

19 What s Next External Use 20

20 15W Single-coil Tx for Consumer 15 Watt single-coil transmitter solution Maximum flexibility via programmable solution Real-time debug and tuning capability Internal digital demodulation for decreased BOM Premium configuration to add value-added differentiation Availability ~ Q1 14 External Use 21

21 What s Inside External Use 22

22 What You Get! External Use 23

23 What s Inside WCT_A11 Hardware External Use 24

24 Single-Coil Wireless Charger Reference Design WCT-5W1COILTX Cost optimized: reduced parts, 2-layer PCBA Qi v1.1 compliance FCC certified External Use 25

25 WCT_A11 Board Block Diagram External Use 26

26 WCT_A11 Module Overview External Use 27

27 What s Inside WCT_A13 Automotive Hardware External Use 28

28 WCT_A13 Board Block Diagram 9-16V Input Power Conditioning Coil Rail Voltage Regulator Power Measurement CAN Interface CAN Transceiver / 3.3V Voltage Regulator Capacitive Touch Sense Controller Processor Coil Drive Circuitry Qi Comm Demodulator PowerMat Comm Demodulator Coil Muxing RFP Coil Array NFC Controller LED Indicators External Use 29

29 Bulk or Bulk-booster Choose the same Vref! Power Supply External Use 30

30 What s Inside WCT Firmware Package External Use 31

31 Freescale Transmitter Solutions Reference Design (Gerbers, schematics, BOM) Silicon Offering Software (Library) MWCT1000CFM Standard (32QFN) WCT-5W1COILTX 5W Single-coil Transmitter (Uses MWCT1000CFM) 5W1COILTX.LIB MWCT1101CLH Premium(64LQFP) External Use 32

32 5W-Single-Coil Firmware Package 64KB Flash / 8KB RAM In premium version, WCT1101 External Use 33

33 FreeMASTER for Wireless Charging FreeMASTER GUI is a real-time monitoring and user-friendly control tool for application development Monitoring: real-time application variables monitoring Configuration: view and change the application parameters Debug: functions software simulation, calibrate the coefficients for analog signals sensing and FOD External Use 34

34 Developing Environment External Use 35

35 How to Implement Technical supports External Use 36

36 How to Implement Basic Ready-to-Use Medium (more than basic) Development / Verification Freescale Reference Design Schematic, gerber, firmware package & application notes FCC certification Qi v1.1 Freemaster Design, verification, tuning Production Freemaster PCBA Calibration Function test P&E Programmer Advanced (more than medium) Codewarrior Add additional application code (with Freescale APIs) Hardware interface configuration Quick-start Hardware interface configuration GUI tool External Use 37

37 Technical Supports Design Hardware Files Firmware Package Codewarrior FreeMASTER GUI Design notes Verification FreeMASTER GUI Verification Guides Production FreeMASTER GUI Debug console P&E programmer MISC (by case) Solution estimation Design customization External Use 38

38 Documents Freescale wireless charging solution page: freescale.com/wirelesscharging Freescale s 5W single-coil wireless charging reference design : freescale.com/5w1coiltx Freescale MPR121 touch sensor page: freescale.com/webapp/sps/site/taxonomy.jsp?code=snsproximity Freescale Codewarrior 10.4 IDE page: freescale.com/codewarrior Freescale Freemaster tool page: freescale.com/freemaster WPC page: WCT1000 Documents: WCT1000 A11 Reference Design System User Guide WCT1000 TX Library User Guide WCT Runtime Debug User Guide WCT1000 A11 Reference Design Calibration User Guide WCT1000 Beta 2.1 Release Test Report External Use 39

39 What We Need External Use 40

40 Your Opinion Feedback for solution requirement Feedback for tool requirement Feedback for document requirement Other opinion External Use 41

41 Freescale Semiconductor, Inc. External Use