Texas Instruments bq50002 User Manual
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Texas Instruments bq50002 User Manual

Texas Instruments bq50002 User Manual

Wireless power tx evm
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The bqTESLA™ wireless power transmitter evaluation module from Texas Instruments is a high-
performance, easy-to-use development module for the design of wireless power solutions. The bq50002
evaluation module (EVM) provides all the basic functions of a Qi-compliant, wireless charger pad. The 5-V
input, single coil transmitter enables designers to speed the development of their end-applications. The
EVM supports both the Qi WPC 1.0, WPC 1.1, and WPC 1.2 receivers and will support output power up to
5 W.
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bqTESLA is a trademark of Texas Instruments.
Avid is a registered trademark of Avid Technology, Inc..
SLVUAJ7 - October 2015
Submit Documentation Feedback
bq50002 Wireless Power TX EVM
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Copyright © 2015, Texas Instruments Incorporated
Contents
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User's Guide
SLVUAJ7 - October 2015
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bq50002 Wireless Power TX EVM
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Summary of Contents for Texas Instruments bq50002

  • Page 1: Table Of Contents

    The bqTESLA™ wireless power transmitter evaluation module from Texas Instruments is a high- performance, easy-to-use development module for the design of wireless power solutions. The bq50002 evaluation module (EVM) provides all the basic functions of a Qi-compliant, wireless charger pad. The 5-V input, single coil transmitter enables designers to speed the development of their end-applications.

  • Page 2: Applications

    During power transfer ηpk Peak efficiency = Nom, P Out RX = 3 W η Full-load efficiency = Nom, I = Max bq50002 Wireless Power TX EVM SLVUAJ7 – October 2015 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 3: Modifications

    Return for input power, input at J1. 4.1.4 J4 – Serial Interface C interface connection to communicate with the IC. Used with bqStudio tool to monitor behavior SLVUAJ7 – October 2015 bq50002 Wireless Power TX EVM Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 4: Test Point Descriptions

    Modulation signal input from coil for DEMOD Channel 2. 4.2.13 TP13 – PEAK Peak detection. 4.2.14 TP14 – SW2 Switch node of the half-bridge MOSFETs. bq50002 Wireless Power TX EVM SLVUAJ7 – October 2015 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...
  • Page 5 TP26 – LED_C Status indication, typically ORANGE. 4.2.27 TP27 – LED_MODE LED mode selection. 4.2.28 TP28 – T_SENSE Temperature sensing for safety shutdown. SLVUAJ7 – October 2015 bq50002 Wireless Power TX EVM Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...
  • Page 6 TP42 - Unused IC Pin 18 Leave this pin open. 4.2.43 TP43 – CLK_IN CLK_OUT signal from the internal oscillator of the bq50002. bq50002 Wireless Power TX EVM SLVUAJ7 – October 2015 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...
  • Page 7 TP53 - Floating Test Point 4.2.53 TP54 – GND 4.2.54 TP55 – Floating Test Point 4.2.55 TP56 – Floating Test Point 4.2.56 TP57 – GND SLVUAJ7 – October 2015 bq50002 Wireless Power TX EVM Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 8: Schematic And Bill Of Materials

    TP38 TP39 TP40 TP41 TP42 10.0k 10.0k 1.) FOD-THR R23/R27--400mW 2.) LED R21/R25--Mode 1 3.) FOD_CAL R22/R26--72mW/A (1.339V) Figure 1. bq50002EVM-607 Schematic bq50002 Wireless Power TX EVM SLVUAJ7 – October 2015 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 9: Bill Of Materials

    Wurth Elektronik 14.2mm Unless otherwise noted in the Alternate Part Number and/or Alternate Manufacturer columns, all parts may be substituted with equivalents. SLVUAJ7 – October 2015 bq50002 Wireless Power TX EVM Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...
  • Page 10 Test Point, Miniature, White, TH White Miniature Testpoint 5002 Keystone TP51, TP54, TP57 Black Test Point, Multipurpose, Black, TH Black Multipurpose 5011 Keystone Testpoint bq50002 Wireless Power TX EVM SLVUAJ7 – October 2015 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 11: Test Setup

    For proper operation, use 22-AWG wire when connecting the EVM to the input supply and the bq51013BEVM-764 to the load. 6.1.7 EV2400 Communication Kit EV2400-USB-Based PC Interface Kit. SLVUAJ7 – October 2015 bq50002 Wireless Power TX EVM Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 12: Equipment Setup

    J1. HPA764 connect voltmeter to monitor output voltage at TP7 and voltmeter to measure unregulated voltage at TP12. HPA764 connect current meter to monitor output current to load. bq50002 Wireless Power TX EVM SLVUAJ7 – October 2015 Submit Documentation Feedback...

  • Page 13: Evm Procedure

    Verify that the power supply is adjusted and connected according to Section 6.1.2. Verify that the jumper settings are completed according to Section 6.2.4. SLVUAJ7 – October 2015 bq50002 Wireless Power TX EVM Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 14: Bqstudio Window

    Turn on the input power supply, verify the input voltage at J1 is 4.9 V to 5.1 V and the current is less than 100 mA. Turn on the computer and open the bq50002 evaluation software. Select “Charger” and click next.
  • Page 15 3. On HPA764, voltage at TP12 should be 5.1 V to 5.3 V 4. On UUT, PWR607 LED D6 Flashing Green 5. On UUT, PWR607 input current should be less than 1700 mA SLVUAJ7 – October 2015 bq50002 Wireless Power TX EVM Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 16: Efficiency Vs Power, Bq50002Evm-607 Tx And Bq51013Bevm-764 Receiver

    The transmitter will send an analog ping about every 400 ms. If a receiver is present, it will power up and reply then begin power transfer. Figure 6 is a scope capture of the bq50002 EVM beginning a power transfer with the bq51013B EVM. Figure 6. Start Up 6.3.8...

  • Page 17: Thermal Performance

    Input Power – Product of input voltage and current. Input voltage is measured at BQ500511 pin 9 though R13 and R14. Input current is measured using sense resistor R18 at BQ50002 pin 29 and 30. Both measurements must be very accurate.

  • Page 18: Bq50002Evm-607 Assembly Drawings And Layout

    IC and bq500511 control IC in a practical application. Moving components to both sides of the PCB or using additional internal layers offers additional size reduction for space-constrained systems.

  • Page 19: Inner Layer 2

    Assembly Drawings and Layout www.ti.com Figure 9. Inner Layer 1 Figure 10. Inner Layer 2 SLVUAJ7 – October 2015 bq50002 Wireless Power TX EVM Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 20: Reference

    Figure 11. Bottom Layer Reference For additional information about the bq50002EVM-607 low-power, wireless, power evaluation kit from Texas Instruments, visit the product folder on the TI Web site at http://www.ti.com/product/bq50002 bq50002 Wireless Power TX EVM SLVUAJ7 – October 2015 Submit Documentation Feedback Copyright ©...
  • Page 21 STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, or documentation (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms and conditions set forth herein. Acceptance of the EVM is expressly subject to the following terms and conditions.
  • Page 22 FCC Interference Statement for Class B EVM devices NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
  • Page 23 【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて いないものがあります。 技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの 措置を取っていただく必要がありますのでご注意ください。 1. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用 いただく。 2. 実験局の免許を取得後ご使用いただく。 3. 技術基準適合証明を取得後ご使用いただく。 なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。 上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・イ ンスツルメンツ株式会社 東京都新宿区西新宿６丁目２４番１号 西新宿三井ビル 3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧くださ い。http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page SPACER EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS.
  • Page 24 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2015, Texas Instruments Incorporated...
  • Page 25 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue.

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