ZHCSC37A February 2014 – July 2014
PRODUCTION DATA.
- 1 特性
- 2 应用范围
- 3 说明
- 4 简化电路原理图
- 5 修订历史记录
- 6 Device Comparison Table
- 7 Pin Configuration and Functions
- 8 Specifications
-
9 Detailed Description
- 9.1 Overview
- 9.2 Functional Block Diagram
- 9.3
Feature Description
- 9.3.1 Dynamic Rectifier Control
- 9.3.2 Dynamic Power Scaling
- 9.3.3 VO_REG and VIREG Calculations
- 9.3.4 RILIM Calculations
- 9.3.5 Adapter Enable Functionality
- 9.3.6 Turning Off the Transmitter
- 9.3.7 CM_ILIM
- 9.3.8 PD_DET and TMEM
- 9.3.9 TS, Both WPC and PMA
- 9.3.10 I2C Communication
- 9.3.11 Input Overvoltage
- 9.4 Device Functional Modes
- 9.5 Register Maps
-
10Application and Implementation
- 10.1 Application Information
- 10.2
Typical Applications
- 10.2.1
Dual Mode Design (WPC and PMA Compliant) Power Supply 5-V Output With 1-A Maximum Current
- 10.2.1.1 Design Requirements
- 10.2.1.2
Detailed Design Procedure
- 10.2.1.2.1 Output Voltage Set Point
- 10.2.1.2.2 Output and Rectifier Capacitors
- 10.2.1.2.3 Maximum Output Current Set Point
- 10.2.1.2.4 TERM Resistor
- 10.2.1.2.5 Setting LPRB1 and LPRB2 Resistors
- 10.2.1.2.6 I2C
- 10.2.1.2.7 Communication Current Limit
- 10.2.1.2.8 Receiver Coil
- 10.2.1.2.9 Series and Parallel Resonant Capacitors
- 10.2.1.2.10 Communication, Boot and Clamp Capacitors
- 10.2.1.3 Application Curves
- 10.2.2 bq51221 Embedded in System Board
- 10.2.3 bq51221 Implemented in Back Cover
- 10.2.1
Dual Mode Design (WPC and PMA Compliant) Power Supply 5-V Output With 1-A Maximum Current
- 11Power Supply Recommendations
- 12Layout
- 13器件和文档支持
- 14机械封装和可订购信息
13 器件和文档支持
13.1 Trademarks
All other trademarks are the property of their respective owners.
13.2 Electrostatic Discharge Caution
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.