ZHCSFL0
September 2016
TPS2549
PRODUCTION DATA.
1
特性
2
应用
3
说明
4
修订历史记录
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics
6.7
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
FAULT Response
8.3.2
Cable Compensation
8.3.2.1
Design Procedure
8.3.3
D+ and D- Protection
8.3.4
Output and D+ or D- Discharge
8.3.5
Port Power Management (PPM)
8.3.5.1
Benefits of PPM
8.3.5.2
PPM Details
8.3.5.3
Implementing PPM in a System With Two Charging Ports (CDP and SDP1)
8.3.5.4
Implementing PPM in a System With Two Charging Ports (DCP and DCP1)
8.3.6
CDP and SDP Auto Switch
8.3.7
Overcurrent Protection
8.3.8
Undervoltage Lockout
8.3.9
Thermal Sensing
8.3.10
Current Limit Setting
8.4
Device Functional Modes
8.4.1
Device Truth Table (TT)
8.4.2
USB Specification Overview
8.4.3
Standard Downstream Port (SDP) Mode — USB 2.0 and USB 3.0
8.4.4
Charging Downstream Port (CDP) Mode
8.4.5
Dedicated Charging Port (DCP) Mode
8.4.5.1
DCP BC1.2 and YD/T 1591-2009
8.4.5.2
DCP Divider-Charging Scheme
8.4.5.3
DCP 1.2-V Charging Scheme
8.4.6
DCP Auto Mode
8.4.7
Client Mode
8.4.8
High-Bandwidth Data-Line Switches
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Input and Output Capacitance
9.2.2.2
Cable Compensation Calculation
9.2.2.3
Power Dissipation and Junction Temperature
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
器件和文档支持
12.1
文档支持
12.1.1
相关文档
12.2
接收文档更新通知
12.3
社区资源
12.4
商标
12.5
静电放电警告
12.6
Glossary
13
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
RTE|16
MPQF149D
散热焊盘机械数据 (封装 | 引脚)
RTE|16
QFND525B
订购信息
zhcsfl0_oa
4
修订历史记录
日期
修订版本
注释
2016 年 9 月
*
最初发布版本。