JAJSCD3A July   2016  – August 2016

PRODUCTION DATA.  

  1. 特長
  2. アプリケーション
  3. 概要
  4. 改訂履歴
  5. Device Comparison Table
  6. Pin Configuration and Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Dynamic Rectifier Control
      2. 8.3.2  Dynamic Power Scaling
      3. 8.3.3  VO_REG and VIREG Calculations
      4. 8.3.4  RILIM Calculations
      5. 8.3.5  Adapter Enable Functionality
      6. 8.3.6  Turning Off the Transmitter
        1. 8.3.6.1 WPC End Power Transfer (EPT)
        2. 8.3.6.2 PMA EOC
      7. 8.3.7  CM_ILIM
      8. 8.3.8  PD_DET and TMEM
      9. 8.3.9  TS, Both WPC and PMA
      10. 8.3.10 I2C Communication
      11. 8.3.11 Input Overvoltage
    4. 8.4 Device Functional Modes
    5. 8.5 Register Maps
      1. 8.5.1  Wireless Power Supply Current Register 1 (address = 0x01) [reset = 00000001]
      2. 8.5.2  Wireless Power Supply Current Register 2 (address = 0x02) [reset = 00000111 ]
      3. 8.5.3  I2C Mailbox Register (address = 0xE0) [reset = 10000000 ]
      4. 8.5.4  Wireless Power Supply FOD RAM Register (address = 0xE1) [reset =00000000 ]
      5. 8.5.5  Wireless Power User Header RAM Register (address = 0xE2) [reset = 00000000]
      6. 8.5.6  Wireless Power USER VRECT Status RAM Register (address = 0xE3) [reset = 00000000]
      7. 8.5.7  Wireless Power VOUT Status RAM Register (address = 0xE4) [reset = 00000000]
      8. 8.5.8  Wireless Power REC PWR Byte Status RAM Register (address = 0xE8) [reset = 00000000]
      9. 8.5.9  Wireless Power Mode Indicator Register (address = 0xEF) [reset = 00000000]
      10. 8.5.10 Wireless Power Prop Packet Payload RAM Byte 0 Register (address = 0xF1) [reset = 00000000]
      11. 8.5.11 Wireless Power Prop Packet Payload RAM Byte 1 Register (address = 0xF2) [reset = 00000000]
      12. 8.5.12 Wireless Power Prop Packet Payload RAM Byte 2 Register (address = 0xF3) [reset = 00000000]
      13. 8.5.13 Wireless Power Prop Packet Payload RAM Byte 3 Register (address = 0xF4) [reset = 00000000]
      14. 8.5.14 RXID Readback Register (address = 0xF5 - 0xFA) [reset = see note]
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Dual Mode Design (WPC and PMA Compliant) Power Supply 5-V Output with 1-A Maximum Current
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1  Output Voltage Set Point
          2. 9.2.1.2.2  Output and Rectifier Capacitors
            1. 9.2.1.2.2.1 TMEM
          3. 9.2.1.2.3  Maximum Output Current Set Point
          4. 9.2.1.2.4  TERM Resistor
          5. 9.2.1.2.5  Setting LPRB1 and LPRB2 Resistors
          6. 9.2.1.2.6  I2C
          7. 9.2.1.2.7  Communication Current Limit
          8. 9.2.1.2.8  Receiver Coil
          9. 9.2.1.2.9  Series and Parallel Resonant Capacitors
          10. 9.2.1.2.10 Communication, Boot and Clamp Capacitors
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Embedded in System Board
      3. 9.2.3 bq51222 Implemented in Back Cover
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12デバイスおよびドキュメントのサポート
    1. 12.1 デバイス・サポート
      1. 12.1.1 デベロッパー・ネットワークの製品に関する免責事項
    2. 12.2 ドキュメントの更新通知を受け取る方法
    3. 12.3 コミュニティ・リソース
    4. 12.4 商標
    5. 12.5 静電気放電に関する注意事項
    6. 12.6 Glossary
  13. 13メカニカル、パッケージ、および注文情報

パッケージ・オプション

メカニカル・データ(パッケージ|ピン)
サーマルパッド・メカニカル・データ
発注情報

5 Device Comparison Table

DEVICE MODE MORE
bq51221 Dual (WPC v1.1, PMA) Adjustable output voltage, highest system efficiency, I2C
bq51222 Dual (WPC v1.2, PMA) Adjustable output voltage, highest system efficiency, I2C
bq51021 WPC v1.1 Adjustable output voltage, highest system efficiency, I2C
bq51020 WPC v1.1 Adjustable output voltage, highest system efficiency, standalone