ZHCSIU6G
September 2018 – June 2024
TPS2663
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Device Comparison Table
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
Timing Requirements
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
Hot Plug-In and Inrush Current Control
8.3.1.1
Thermal Regulation Loop
8.3.2
PGOOD and PGTH
8.3.2.1
PGTH as VOUT Sensing Input
8.3.3
Undervoltage Lockout (UVLO)
8.3.4
Overvoltage Protection (OVP)
8.3.5
Input Reverse Polarity Protection (B_GATE, DRV)
8.3.6
Reverse Current Protection
8.3.7
Overload and Short-Circuit Protection
8.3.7.1
Overload Protection
8.3.7.1.1
Active Current Limiting at 1 × IOL (TPS26630 and TPS26632 Only)
8.3.7.1.2
Active Current Limiting With 2 × IOL Pulse Current Support (TPS26631, TPS26633, TPS26635, TPS26636, and TPS26637 Only)
8.3.7.2
Short-Circuit Protection
8.3.7.2.1
Start-Up With Short Circuit on Output
8.3.8
Output Power Limiting, PLIM (TPS26632, TPS26633, TPS26635, TPS26636, and TPS26637 Only)
8.3.9
Current Monitoring Output (IMON)
8.3.10
FAULT Response (FLT)
8.3.11
IN_SYS, IN, OUT, and GND Pins
8.3.12
Thermal Shutdown
8.3.13
Low Current Shutdown Control (SHDN)
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application: Power Path Protection in a PLC System
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Programming the Current-Limit Threshold—R(ILIM) Selection
9.2.2.2
Undervoltage Lockout and Overvoltage Set Point
9.2.2.3
Output Buffer Capacitor – COUT
9.2.2.4
PGTH Set Point
9.2.2.5
Setting Output Voltage Ramp Time—(tdVdT)
9.2.2.5.1
Support Component Selections— RPGOOD and C(IN)
9.2.2.6
Selecting Q1, Q2 and TVS Clamp for Surge Protection
9.2.3
Application Curves
9.3
System Examples
9.3.1
Simple 24-V Power Supply Path Protection
9.3.2
Priority Power MUX Operation
9.3.3
Input Protection for a Compact 24-V Auxiliary Power Supply for Servo Drives
9.4
Dos and Do Nots
9.5
Power Supply Recommendations
9.5.1
Transient Protection
9.6
Layout
9.6.1
Layout Guidelines
9.6.2
Layout Example
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
接收文档更新通知
10.3
支持资源
10.4
Trademarks
10.5
静电放电警告
10.6
术语表
11
Revision History
12
Mechanical, Packaging, and Orderable Information
10.5
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。