ZHCSHI4D
January 2018 – December 2019
TPS25221
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化原理图
4
修订历史记录
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Over-current Conditions
9.3.2
Fault Response
9.3.3
Undervoltage Lockout (UVLO)
9.3.4
Enable, (EN)
9.3.5
Thermal Sense
9.4
Device Functional Modes
9.5
Programming
9.5.1
Programming the Current-Limit Threshold
10
Application and Implementation
10.1
Application Information
10.1.1
Constant-Current
10.2
Typical Applications
10.2.1
Two-Level Current-Limit Circuit
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedures
10.2.1.2.1
Designing Above a Minimum Current Limit
10.2.1.2.2
Designing Below a Maximum Current Limit
10.2.1.2.3
Accounting for Resistor Tolerance
10.2.1.2.4
Input and Output Capacitance
10.2.1.3
Application Curve
10.2.2
Auto-Retry Functionality
10.2.2.1
Design Requirements (added)
10.2.2.2
Detailed Design Procedure
10.2.3
Typical Application as USB Power Switch
10.2.3.1
Design Requirements
10.2.3.1.1
USB Power-Distribution Requirements
10.2.3.2
Detailed Design Procedure
10.2.3.2.1
Universal Serial Bus (USB) Power-Distribution Requirements
11
Power Supply Recommendations
11.1
Self-Powered and Bus-Powered Hubs
11.2
Low-Power Bus-Powered and High-Power Bus-Powered Functions
11.3
Power Dissipation and Junction Temperature
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
器件和文档支持
13.1
器件支持
13.1.1
第三方米6体育平台手机版_好二三四免责声明
13.2
文档支持
13.2.1
相关文档
13.3
接收文档更新通知
13.4
社区资源
13.5
商标
13.6
静电放电警告
13.7
Glossary
14
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DRV|6
MPDS216E
DBV|6
MPDS026Q
散热焊盘机械数据 (封装 | 引脚)
DRV|6
QFND087M
订购信息
zhcshi4d_oa
zhcshi4d_pm
10.1
Application Information
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