Texas Instruments bqTESLA User Manual

Texas Instruments bqTESLA User Manual

Wireless power tx evm

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bq501210 bqTESLA™ Wireless Power TX EVM
The bq501210EVM-756 wireless power transmitter evaluation module from TI is a high-performance,
easy-to-use development module for the design of wireless power solutions. The bq501210 evaluation
module (EVM) provides all the basic functions of a Qi-compliant, wireless charger pad. The 15-V to 19-V
input, single coil transmitter (TX) enables designers to speed the development of their end-applications.
The EVM supports WPC v1.0, WPC v1.1, and WPC v1.2 receivers (RX) and supports output power up to
15 W when paired with a WPC v1.2 15-W receiver.
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bqTESLA is a trademark of Texas Instruments.
Avid is a registered trademark of Avid Technology, Inc..
SLVUAO6 - June 2016
Submit Documentation Feedback
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Copyright © 2016, Texas Instruments Incorporated
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bq501210 bqTESLA™ Wireless Power TX EVM
User's Guide
SLVUAO6 - June 2016
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Summary of Contents for Texas Instruments bqTESLA

  • Page 1: Table Of Contents

    Inner Layer 1 ........................ Inner Layer 2 ........................ Bottom Layer bqTESLA is a trademark of Texas Instruments. Avid is a registered trademark of Avid Technology, Inc.. SLVUAO6 – June 2016 bq501210 bqTESLA™ Wireless Power TX EVM Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 2: Contents 1 Applications

    This transmitter EVM is a complete transmitter-side solution that powers a bqTESLA receiver. The EVM requires a single 15-V to 19-V power supply capable of up to 2.0 A to operate and combines the transmitter electronics, input power circuit, LED indicators, and the transmitting coil on the single printed-circuit board (PCB).
  • Page 3: Modifications

    J3 – JTAG Factory use only, not populated. 4.1.4 J4 – Serial Interface C interface connection to communicate with the device. Used with bqTESLA TX Tuning Tool to monitor behavior. 4.1.5 J5 – Micro-USB Micro-USB input used for HVDCP testing.
  • Page 4: Test Point Descriptions

    TX_COMM is used for debug only. This pin echoes all TX_COMM. 4.2.14 TP14 – FP_OFFSET FOD ping circuit setting, see the data sheet for more information. bq501210 bqTESLA™ Wireless Power TX EVM SLVUAO6 – June 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 5 TP23 – Unused IC Pin 30 Unused pin. 4.2.24 TP24 – Unused IC Pin 29 Unused pin. 4.2.25 TP25 – Unused IC Pin 6 Unused pin. SLVUAO6 – June 2016 bq501210 bqTESLA™ Wireless Power TX EVM Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 6: Schematic And Bill Of Materials

    PM_CLK HVDCP-EVM Only JTAG and I2C Communication – EVM Only Copyright © 2016, Texas Instruments Incorporated Figure 1. bq501210EVM-756 Full Schematic bq501210 bqTESLA™ Wireless Power TX EVM SLVUAO6 – June 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 7: Bq501210Evm-756 Transmitter Manager Schematic

    DGND RESERVED STATUS /TRST BQ501210RGCR bq501210 Transmitter Manager 10.0k Copyright © 2016, Texas Instruments Incorporated Figure 2. bq501210EVM-756 Transmitter Manager Schematic SLVUAO6 – June 2016 bq501210 bqTESLA™ Wireless Power TX EVM Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 8: Bq501210Evm-756 Current Sense Schematic

    0.01µF 10.0k 1.00k RAIL- 10.0 I_SENSE 0.1µF Current Sense Copyright © 2016, Texas Instruments Incorporated Figure 3. bq501210EVM-756 Current Sense Schematic bq501210 bqTESLA™ Wireless Power TX EVM SLVUAO6 – June 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 9: Bq501210Evm-756 Coil Control Schematic

    33pF COMM- 10.0 PEAK_DET 10.0 1.00Meg 330pF Coil Control Copyright © 2016, Texas Instruments Incorporated Figure 4. bq501210EVM-756 Coil Control Schematic SLVUAO6 – June 2016 bq501210 bqTESLA™ Wireless Power TX EVM Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 10: Bq501210Evm-756 Power Schematic

    BSS138 0.1µF PWR_UP 1.00Meg 4.7µF 1.00Meg 2.2µF 10.0k POWER Copyright © 2016, Texas Instruments Incorporated SNOOZE Figure 5. bq501210EVM-756 Power Schematic bq501210 bqTESLA™ Wireless Power TX EVM SLVUAO6 – June 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 11: Bq501210Evm-756 Schematic

    Green PM_CLK HVDCP-EVM Only JTAG and I2C Communication – EVM Only Copyright © 2016, Texas Instruments Incorporated Figure 6. bq501210EVM-756 Schematic SLVUAO6 – June 2016 bq501210 bqTESLA™ Wireless Power TX EVM Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 12 BSS138 Fairchild Semiconductor Unless otherwise noted in the Alternate Part Number or Alternate MFR columns, all parts may be substituted with equivalents. bq501210 bqTESLA™ Wireless Power TX EVM SLVUAO6 – June 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 13 Test Point, Compact, White, TH White Compact 5007 Keystone Testpoint TP4, TP5, TP12, TP17 Black Test Point, Multipurpose, Black, TH Black Multipurpose 5011 Keystone Testpoint SLVUAO6 – June 2016 bq501210 bqTESLA™ Wireless Power TX EVM Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 14: Test Setup

    A single load is required at 7 V to 12 V (dependent on the RX used) with a maximum current of 2 A. The load can be resistive or electronic. bq501210 bqTESLA™ Wireless Power TX EVM SLVUAO6 – June 2016 Submit Documentation Feedback Copyright ©...
  • Page 15: Equipment Setup

    This section provides guidance for a few general test procedures to exercise the functionality of the presented hardware. Figure 8 shows the TX and RX test points. SLVUAO6 – June 2016 bq501210 bqTESLA™ Wireless Power TX EVM Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 16: Evm Test Points

    Analog pin will detect a receiver being placed on the TX pad. The digital ping is a backup which captures any certified RX. Note that the overall current during the analog pin is substantially lower than the digital ping. bq501210 bqTESLA™ Wireless Power TX EVM SLVUAO6 – June 2016 Submit Documentation Feedback...
  • Page 17: Efficiency Vs Power, Bq501210Evm-756 Transmitter And A 15-W Receiver

    D12 – Green LED controlled by TX input voltage. On when the input voltage is above 12 V. See Section 6.2.2.8 for more information on D9 and D12. SLVUAO6 – June 2016 bq501210 bqTESLA™ Wireless Power TX EVM Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 18: Start Up

    See the WPC v1.2 specification for details on the communication protocol. RX Initiates Communication Communication Digital ping Figure 12. TX_COMM at Start Up bq501210 bqTESLA™ Wireless Power TX EVM SLVUAO6 – June 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 19 Once the circuit is enabled, two LEDs will indicate the voltage level of the system. When D9 is on, it indicates the system is about 9 V. D12 indicates the USB is > 12 V. SLVUAO6 – June 2016 bq501210 bqTESLA™ Wireless Power TX EVM Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 20: Thermal Performance

    Output power is approximately 15 W, 1.5 A at 10 V. The maximum board temperature, at L2, is 35.5°C. Figure 13. Thermal Performance bq501210 bqTESLA™ Wireless Power TX EVM SLVUAO6 – June 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 21: Bq501210Evm-756 Assembly Drawings And Layout

    NOTE: The clear plastic cover thickness (0.93 in or 2.4 mm) is the z-gap thickness for the transmitter, which is within the WPC specification limits. SLVUAO6 – June 2016 bq501210 bqTESLA™ Wireless Power TX EVM Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 22: Assembly Top

    Assembly Drawings and Layout www.ti.com Figure 15. Assembly Top Figure 16. Top Silk bq501210 bqTESLA™ Wireless Power TX EVM SLVUAO6 – June 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 23: Top Layer

    Assembly Drawings and Layout www.ti.com Figure 17. Top Layer Figure 18. Inner Layer 1 SLVUAO6 – June 2016 bq501210 bqTESLA™ Wireless Power TX EVM Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
  • Page 24: Reference

    Delivery and its Evaluation module, visit the product folder on the TI Web site at http://www.ti.com/product/bq501210. For additional information on all of TI's wireless power products, visit www.ti.com/wirelesspower. bq501210 bqTESLA™ Wireless Power TX EVM SLVUAO6 – June 2016 Submit Documentation Feedback...
  • Page 25 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 26 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 27 【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 28 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 29 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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