ZHCSHG3B
november 2017 – july 2020
TPS254900A-Q1
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Revision History
5
Pin Configuration and Functions
7
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
VBUS OVP Protection
8.3.5
Output and D+ or D– Discharge
8.3.6
Port Power Management (PPM)
8.3.6.1
Benefits of PPM
8.3.6.2
PPM Details
8.3.6.3
Implementing PPM in a System With Two Charging Ports (CDP and SDP1)
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 BC1.2 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
Client Mode
8.4.6
High-Bandwidth Data-Line Switch
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 Capacitance
9.2.2.2
Output Capacitance
9.2.2.3
BIAS Capacitance
9.2.2.4
Output and BIAS TVS
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.2
Documentation Support
12.2.1
Related Documentation
12.3
接收文档更新通知
12.4
支持资源
12.5
Trademarks
12.6
静电放电警告
12.7
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
RVC|20
散热焊盘机械数据 (封装 | 引脚)
RVC|20
QFND186C
订购信息
zhcshg3b_oa
zhcshg3b_pm
12.6
静电放电警告
静电放电 (ESD) 会损坏这个集成电路。德州仪器 (TI) 建议通过适当的预防措施处理所有集成电路。如果不遵守正确的处理和安装程序,可能会损坏集成电路。
ESD 的损坏小至导致微小的性能降级,大至整个器件故障。精密的集成电路可能更容易受到损坏,这是因为非常细微的参数更改都可能会导致器件与其发布的规格不相符。