SLVSGT9B
February 2023 – June 2024
TPS25948
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
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
Switching Characteristics
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Undervoltage Lockout (UVLO and UVP)
7.3.2
Overvoltage Lockout (OVLO)
7.3.3
Inrush Current, Overcurrent, and Short Circuit Protection
7.3.3.1
Slew Rate (dVdt) and Inrush Current Control
7.3.3.2
Active Current Limiting
7.3.3.3
Short-Circuit Protection
7.3.4
Analog Load Current Monitor
7.3.5
Reverse Current Protection
7.3.6
Overtemperature Protection (OTP)
7.3.7
Fault Response and Indication (FLT)
7.3.8
Supply Good Indication (SPLYGD/SPLYGD)
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Single Device, Self-Controlled
8.3
Typical Application
8.3.1
Design Requirements
8.3.2
Detailed Design Procedure
8.3.2.1
Setting Overvoltage Threshold
8.3.2.2
Setting Output Voltage Rise Time (tR)
8.3.2.3
Setting Overcurrent Threshold (ILIM)
8.3.2.4
Setting Overcurrent Blanking Interval (tITIMER)
8.3.3
Application Curves
8.4
Active ORing
8.5
Priority Power MUXing
8.6
Parallel Operation
8.7
USB PD Port Protection
8.8
Power Supply Recommendations
8.8.1
Transient Protection
8.8.2
Output Short-Circuit Measurements
8.9
Layout
8.9.1
Layout Guidelines
8.9.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Data Sheet
TPS25948xx 3.5V–23V, 12.2mΩ, 8A eFuse With Bi-directional Power Delivery