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Description

The P9243-GB-EVK Evaluation Board demonstrates the features
of the P9243-GB 15W Wireless Power Transmitter (TX) with a fixed
frequency. It is intended to evaluate the functionality and
performance of the P9243-GB when combined with a Qi power
receiver in a wireless charging system. The P9243-GB-EVK offers
the flexibility to select parameters, such as Q-factor threshold, LED
pattern, power loss FOD threshold, and external temperature
sensing function. The printed circuit board (PCB) has four layers,
and can be used with the user's WPC-1.2.4 compliant receiver.
The high-efficiency, turnkey reference design is supported by
comprehensive digital resources to significantly expedite the
design-in effort and enable rapid prototyping.
Kit Contents
P9243-GB-EVK Evaluation Board
Adaptor: 18V/1.38A

Evaluation Board

© 2020 Renesas Electronics Corporation
P9243-GB-EVK Evaluation Board User Guide

Features

Power transfer up to 15W at receiver side
Wide input voltage range: 5V to 19V
WPC-1.2.4 compatible, MP-A11 coil configuration
Supports system parameters configuration using GUI
Integrated drivers for external power MOSFETs
Embedded 32-bit ARM
ARM, Ltd.)
Simultaneous voltage and current demodulation scheme for
WPC communication
Integrated current sense amplifier
Supports accurate 127.7kHz frequency operation
Feedback control for external input step-down regulator
Dedicated remote temperature sensing
User-programmable power transfer LED indicators
User-programmable foreign objects detection (FOD)
WPC EPP-based Q-factor detection
Active-LOW enable pin for electrical on/off
Over-current and over-temperature protection
Supports I2C interface
Four-layer PCB assembled with test points and coil fixture
-40°C to +85°C ambient operating temperature range
48-VFQFPN (6 × 6 mm) RoHS-compliant package
1
Cortex
-M0 processor (trademark of
®
®
September 15, 2020

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Summary of Contents for Renesas P9243-GB-EVK

  • Page 1: Description

    P9243-GB when combined with a Qi power Supports system parameters configuration using GUI  receiver in a wireless charging system. The P9243-GB-EVK offers the flexibility to select parameters, such as Q-factor threshold, LED Integrated drivers for external power MOSFETs ...
  • Page 2: Table Of Contents

    P9243-GB-EVK Evaluation Board User Guide Contents Description ..........................................1 Evaluation Board ........................................1 Features ..........................................1 Contents ..........................................2 List of Figures ........................................3 List of Tables .........................................4 Setup .............................................6 Required or Recommended User Equipment ...............................6 Software Installation, Dongle Connectivity, and FLASH Programming with GUI..................6 Software Installation ....................................6...
  • Page 3: List Of Figures

    Figure 3. Connecting the Dongle and Verifying GUI Connectivity ........................7 Figure 4. USB-to-I2C Dongle Header of “USB-FTDI-V2-1” (FTDI) Dongle and “WPD-USB-Dongle” ..............8 Figure 5. P9243-GB-EVK Successfully Connected to GUI ..........................8 Figure 6. FLASH Programming Procedure .................................9 © 2020 Renesas Electronics Corporation...
  • Page 4: List Of Tables

    P9243-GB-EVK Evaluation Board User Guide Figure 7. Evaluation Kit Connections using the P9415-R-EVK Receiver Evaluation Board ................9 Figure 8. P9243-GB-EVK V1.0 Evaluation Board Features ..........................10 Figure 9. Sample Q-Factor Test Data ................................12 Figure 10. P9243-GB EVB v1.0 Evaluation Board Detail ...........................13 Figure 11.
  • Page 5 P9243-GB-EVK Evaluation Board User Guide Table 18. Read Register – FOD Threshold ...............................23 Table 19. Read Register – Remote Temperature Sensing Voltage ........................23 Table 20. Read Register – Adaptor Type ................................24 Table 21. Read/Write Register – Tx Manufacture ID Adjust ..........................24 Table 22.
  • Page 6: Setup

    Software Installation, Dongle Connectivity, and FLASH Programming with GUI Visit the P9243-GB-EVK webpage and download the latest version of the P9243-GB Wireless Power Pro GUI, USB drivers, and the P9243-GB A11a Configuration Flash HEX File. The software provides an intuitive graphical user interface for reading and writing to P9243-GB SRAM registers and generate custom user configurations for the external Flash.
  • Page 7: Dongle Connectivity

    P9243-GB-EVK Evaluation Board User Guide Dongle Connectivity Follow these procedures to establish GUI connectivity to the P9243-GB-EVK: 1. Launch the GUI program – Renesas Wireless Power P9243-GB. The initial screen of the GUI is shown in Figure 2. Figure 2. System Tab of GUI 2.
  • Page 8: Using Gui To Write To Flash

    USB-to-I2C Dongle Header of “USB-FTDI-V2-1” (FTDI) Dongle and “WPD-USB-Dongle” Blank 5. Press the “Connect to Device” button in the P9243-GB Wireless Pro GUI to connect to P9243-GB-EVK. Once P9243-GB-EVK is recognized, the message “P9243-GB Connected” will appear (see Figure 5).
  • Page 9: Kit Hardware Connections

    Kit Hardware Connections Follow these procedures to set up the kit as shown on Figure 7. 1. Set up the P9243-GB-EVK Evaluation Board by plugging the 5V/2A adapter or the user’s power supply into J11 (Micro-USB connector). Refer to Figure 8.
  • Page 10: Usage Guide

    P9243-GB-EVK Evaluation Board User Guide Usage Guide The P9243-GB-EVK firmware provides great flexibility to customize operating parameters for custom applications. Default values of the P9243- GB-EVK operating parameters, such as Digital Ping Frequency, FOD parameters, coil over-temperature sensing, and over current limit, are configurable in the firmware and are loaded from the external Flash memory.
  • Page 11: Overview Of The P9243-Gb Wireless Power Pro Gui

    P9243-GB-EVK Evaluation Board User Guide Overview of the P9243-GB Wireless Power Pro GUI System (Block Diagram) Tab The System tab of the P9243-GB Wireless Power Pro GUI offers a dynamic visual block diagram to expand the knowledge base of the wireless power system.
  • Page 12: Fod (Foreign Object Detection) Tab

    P9243-GB-EVK Evaluation Board User Guide Equation 1 ( Q − Threshold ) = ( Q − Rx ) × − QFOD QFOD GAIN OFFSET Equation 2 (Q − Factor) < (Q − Threshold) Q − Factor = Value of Q returned by P9243 Where: Q −...
  • Page 13: Program (Programming Flash/Otp) Tab

    It is recommended to complete these steps when generating a HEX file: 1. Program the P9243-GB-EVK with the latest HEX Configuration File from the Renesas website. Start with a golden base hex file first. It is not recommended to daisy-chain the HEX files.
  • Page 14: External Temperature Sensing (Ts)

    The over-temperature shutdown is triggered if the voltage on the TS pin is lower than the threshold. To view default thresholds, launch the P9243-GB Wireless Power Pro GUI. The TH_COIL1 is not populated on the P9243-GB-EVK Evaluation Board. Figure 11. TH_COIL1, R60, and RC67 Schematic Location Figure 12.
  • Page 15: Control Of External Power Stage Dc/Dc Buck Regulator - Gpio_B4 And Gpio_B7

    The P9243-GB is specially designed to support fixed-frequency operation as described in the WPC MP-A11 coil configuration with an external input step-down buck regulator. The P9243-GB-EVK uses the on-board MP2229 Buck IC to adjust the power transfer between the transmitter and receiver.
  • Page 16: Bypass External Dc/Dc Buck Regulator - Gpio_A4

    P9243-GB-EVK Evaluation Board User Guide Bypass External DC/DC Buck Regulator – GPIO_A4 When the input voltage is 5V only, the P9243-GB operates in the BPP Mode. However, enabling the external power stage buck regulator at this time compromises the efficiency, thermal performance, and maximum power that can be delivered to the receiver. Under such an application scenario, the P9243-GB will disable the external power stage buck regulator and enable another power path for the input voltage (5V) to be directly applied to the DC/AC inverter.
  • Page 17: Figure 17. External Crystal Schematic Location

    P9243-GB-EVK Evaluation Board User Guide Figure 17. External Crystal Schematic Location Figure 18. External Crystal PCB Location © 2020 Renesas Electronics Corporation September 15, 2020...
  • Page 18: Quality Factor In Digital Ping Phase

    Figure 19. The P9243-GB-EVK has implemented the Q-factor detection for WPC EPP receivers. The Q_DEC pin is used to sample the voltage on the coil. Figure 20 shows the Q-factor detection circuits.
  • Page 19: Selection Of Input Source And Operation Mode

    P9243-GB-EVK Evaluation Board User Guide Selection of Input Source and Operation Mode The P9243-GB-EVK supports different types of AD/DC adaptors and connectors. By selecting the jumpers in Figure 15, the user can select the USB-Micro connector, USB-C connector, or DC jack adaptor.
  • Page 20: Transmitter Coil

    P9243-GB-EVK Evaluation Board User Guide Transmitter Coil The MP-A11 coils in Table 3 are recommended to be used with the P9243-GB transmitter for 15W applications for optimum performance. The recommended vendor has been tested and verified. Table 3. Recommend Coil Manufacturer...
  • Page 21: State And Status Registers

    P9243-GB-EVK Evaluation Board User Guide State and Status Registers Table 6. Read Register – State Register Address and Bits Register Field Name Default Function and Description = Detection Phase = Selection Phase = Ping Phase = ID Phase = Configuration Phase...
  • Page 22: System Read-Only Registers

    P9243-GB-EVK Evaluation Board User Guide System Read-Only Registers Table 8. Read Register – Input Current Address and Bits Register Field Name Default Function and Description 0664 Bridge_input_current [15:0] – Input current ADC reading in mA. Table 9. Read Register – Input Voltage...
  • Page 23: Table 14. Read Register - Threshold Q Factor Value

    P9243-GB-EVK Evaluation Board User Guide Table 14. Read Register – Threshold Q Factor Value Address and Bits Register Field Name Default Function and Description 050A Q_threshold [7:0] – Calculated Q threshold value to trigger QFOD. QFOD alarm triggers when Q_Factor < Q_Threshold. Gain and Offset can Reported_Q ×...
  • Page 24: Configuration Registers

    Configuration Registers Default values can be configured using the P9243-GB Wireless Pro GUI. Visit the P9243-GB-EVK webpage and download the latest version of the P9243-GB Wireless Power Pro GUI, USB drivers, and the P9243-GB A11a Configuration Flash HEX File. The software provides an intuitive GUI for reading and writing to P9243-GB SRAM registers and for generating custom user configurations for the external Flash.
  • Page 25: Table 23. Read/Write Register - Low Voltage And Over Voltage Threshold Adjust

    P9243-GB-EVK Evaluation Board User Guide Table 23. Read/Write Register – Low Voltage and Over Voltage Threshold Adjust Address and Bits Register Field Name Default Function and Description 091E LVP_5V [15:0] 4200 Low voltage protection (LVP) threshold in mV for 5V Vin.
  • Page 26: Table 26. Read/Write Register - Fod Region Select Adjust

    P9243-GB-EVK Evaluation Board User Guide Table 26. Read/Write Register – FOD Region Select Adjust Address and Bits Register Field Name Default Function and Description 08C0 FOD_Pwr_EPP_0 [15:0] 6200 Extended Power Profile (>5W). Threshold that separates region 0 and region 1 for FOD Protection in mW.
  • Page 27: Table 28. Read/Write Register - Fod Offset Select Adjust

    P9243-GB-EVK Evaluation Board User Guide Table 28. Read/Write Register – FOD Offset Select Adjust Address and Bits Register Field Name Default Function and Description 08DE FOD_O_EPP_0 [15:0] Extended Power Profile (>5W). Offset used in FOD threshold calculation in region 0 in mW. This register is signed.
  • Page 28: Table 30. Read/Write Register - Led Pattern Adjust

    P9243-GB-EVK Evaluation Board User Guide Table 30. Read/Write Register – LED Pattern Adjust Address and Bits Register Field Name Default Function and Description 0900 FC_Red_LED_ON [15:0] Red LED on time in Charge Complete State. Value in ms. 0902 FC_Red_LED_OFF [15:0] Red LED off time in Charge Complete State.
  • Page 29: P9243-Gb Evb Application Schematic V1.0

    P9243-GB-EVK Evaluation Board User Guide P9243-GB EVB Application Schematic v1.0 © 2020 Renesas Electronics Corporation September 15, 2020...
  • Page 30: Bill Of Materials (Bom)

    P9243-GB-EVK Evaluation Board User Guide Bill of Materials (BOM) Table 3. P9243-GB-EVK BOM Item Reference Description Value PCB Footprint Part Number VIN1,GND1,GND2,GND3,GND4,VIN_SEL,GN TEST POINT PC MINIATURE SMT test_pt_sm_135x 5015 D,BK_VIN V_BRIDGE1,VSNS_IN1,VDEM1,VCOIL1,SW 30 GAUGE WIRE PAD PTH_TP TEST_PT30DPA _BRG1,IO_B1,ENB1,CSP1,CSN1,BRG1_LG, BRG1_HG,SW_BRG2,IO_B2,IO_A2,BRG2_L G,BRG2_HG,IO_B3,IO_A3,IO_B4,IO_A4,IO_...
  • Page 31 P9243-GB-EVK Evaluation Board User Guide Item Reference Description Value PCB Footprint Part Number C44,C47,C48,C49,C51 CAP CER 100nF 100V C0G 1206 100nF 1206 C3216C0G2A104K160 1206 C60,C61 CAP CER 18pF 50V 5% C0G/NP0 0402 18pF GRM1555C1H180JA01 DIODE ZENER 20V 500MW SOD323F DDZ20BSF-7...
  • Page 32 P9243-GB-EVK Evaluation Board User Guide Item Reference Description Value PCB Footprint Part Number MOSFET P-CH 30V 12A SC70-6 SIA449DJ-T1- sc70_6ld_fet SIA449DJ-T1-GE3 P-Channel 30 V , 35mOhm, 15nC MOSFET Si3417 SOT-23-6 Si3417DV-T1-GE3 N-Channel 60-V (D-S) MOSFET 2N7002 SOT23_3 2N7002KT1G Q5,Q6,Q7,Q8 MOSFET N-CH 30V 10.5A PWRDI3333...
  • Page 33 P9243-GB-EVK Evaluation Board User Guide Item Reference Description Value PCB Footprint Part Number RES SMD 22 OHM 1% 1/16W 0402 RC0402FR-0722RL R41,R43 RES SMD 1K OHM 5% 1/16W 0402 RC0402JR-071KL RES SMD 680 OHM 5% 1/16W 0402 RC0402JR-07680RL RES SMD 20K OHM 0.1% 1/16W 0402...
  • Page 34: Board Layout

    P9243-GB-EVK Evaluation Board User Guide Board Layout Figure 22. Silkscreen – Top of Board © 2020 Renesas Electronics Corporation September 15, 2020...
  • Page 35: Figure 23. Copper - Top Layer

    P9243-GB-EVK Evaluation Board User Guide Figure 23. Copper – Top Layer © 2020 Renesas Electronics Corporation September 15, 2020...
  • Page 36: Figure 24. Copper L1 Layer

    P9243-GB-EVK Evaluation Board User Guide Figure 24. Copper L1 Layer © 2020 Renesas Electronics Corporation September 15, 2020...
  • Page 37: Figure 25. Copper L2 Layer

    P9243-GB-EVK Evaluation Board User Guide Figure 25. Copper L2 Layer © 2020 Renesas Electronics Corporation September 15, 2020...
  • Page 38: Ordering Information

    P9243-GB-EVK P9243-GB-EVK Evaluation Board WPD-USB-DONGLE USB-to-I2C dongle (FTDI). It is not included in the P9243-GB-EVK evaluation kit, and must be ordered separately. USB-FTDI-V2.1 and WPD-USB-DONGLE have the same functionality and can be used interchangeably. [a] The P9243-GB has only the bootloader firmware pre-programmed into the internal one-time programmable (OTP) memory. The device must be used in conjunction with an external Winbond W25X20CLUXIG flash.
  • Page 39 Renesas' products are provided only subject to Renesas' Terms and Conditions of Sale or other applicable terms agreed to in writing. No use of any Renesas resources expands or otherwise alters any applicable warranties or warranty disclaimers for these products.

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