ZHCSM89 july   2021 BQ51013B-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Description (continued)
  7. 6 Device Comparison Table
  8. 7 Pin Configuration and Functions
  9. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Typical Characteristics
  10. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Details of a Qi Wireless Power System and BQ51013B-Q1 Power Transfer Flow Diagrams
      2. 9.3.2  Dynamic Rectifier Control
      3. 9.3.3  Dynamic Efficiency Scaling
      4. 9.3.4  RILIM Calculations
      5. 9.3.5  Input Overvoltage
      6. 9.3.6  Adapter Enable Functionality and EN1/EN2 Control
      7. 9.3.7  End Power Transfer Packet (WPC Header 0x02)
      8. 9.3.8  Status Outputs
      9. 9.3.9  WPC Communication Scheme
      10. 9.3.10 Communication Modulator
      11. 9.3.11 Adaptive Communication Limit
      12. 9.3.12 Synchronous Rectification
      13. 9.3.13 Temperature Sense Resistor Network (TS)
      14. 9.3.14 3-State Driver Recommendations for the TS/CTRL Pin
      15. 9.3.15 Thermal Protection
      16. 9.3.16 WPC v1.2 Compliance – Foreign Object Detection
      17. 9.3.17 Receiver Coil Load-Line Analysis
    4. 9.4 Device Functional Modes
  11. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 BQ51013B-Q1 Wireless Power Receiver Used as a Power Supply
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Using The BQ51013B-Q1 as a Wireless Power Supply: (See )
          2. 10.2.1.2.2 Series and Parallel Resonant Capacitor Selection
          3. 10.2.1.2.3 Recommended RX Coils
          4. 10.2.1.2.4 COMM, CLAMP, and BOOT Capacitors
          5. 10.2.1.2.5 Control Pins and CHG
          6. 10.2.1.2.6 Current Limit and FOD
          7. 10.2.1.2.7 RECT and OUT Capacitance
        3. 10.2.1.3 Application Curves
      2. 10.2.2 Dual Power Path: Wireless Power and DC Input
        1. 10.2.2.1 Design Requirements
        2. 10.2.2.2 Detailed Design Procedure
        3. 10.2.2.3 Application Curves
      3. 10.2.3 Wireless and Direct Charging of a Li-Ion Battery at 800 mA
        1. 10.2.3.1 Design Requirements
        2. 10.2.3.2 Detailed Design Procedure
        3. 10.2.3.3 Application Curves
  12. 11Power Supply Recommendations
  13. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  14. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 第三方产品免责声明
      2. 13.1.2 Development Support
    2. 13.2 接收文档更新通知
    3. 13.3 支持资源
    4. 13.4 Trademarks
    5. 13.5 静电放电警告
    6. 13.6 术语表
  15. 14Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

3 说明

BQ51013B-Q1 器件是一款灵活的高级单芯片次级侧器件，适用于便携式应用中的无线电力传输，可提供高达 5W 功率。BQ51013B-Q1 器件在集成符合无线电源联盟 (WPC) Qi v1.2 通信协议所需的数字控制的同时，提供接收器 (RX) 交流/直流电源转换和稳压。BQ51013B-Q1 与 BQ50012A 初级侧控制器（或其他 Qi 发送器）相结合，可为无线电源解决方案实现一个完整的非接触式电力传输系统。使用 Qi v1.2 协议，在次级侧与初级侧之间建立全局反馈，从而控制电力传输过程。

BQ51013B-Q1 集成了一个低电阻同步整流器、低压降稳压器 (LDO)、数字控制以及精确的电压和电流环路，可确保高效率和低功率耗散。

器件信息(1)
器件型号 封装 封装尺寸（标称值）
BQ51013B-Q1 VQFN (20) 4.50mm × 3.50mm
(1) 如需了解所有可用封装，请参阅数据表末尾的可订购产品附录。
GUID-20210706-CA0I-KWFJ-THTC-XQZZZL8RBBCW-low.gif简化原理图
GUID-20210706-CA0I-TKNV-XTTD-VZHZDTTNL26N-low.gif无线电源系统概述