SLVAFR8
January 2025
TPS25985
1
Abstract
Trademarks
1
Introduction
2
Over-Current Response of Conventional eFuse Devices
3
Challenges with Current Limit Functionality
4
Proposed Design Using TI's High-Current eFuses
4.1
Steady-State Over-Current Protection in TPS25984, TPS25985, TPS25990, and TPS1685 eFuses
4.2
Design Guideline
5
Thermal Performance with Continual Transient Load Current
6
System Level Advantages with TI's eFuse Design
6.1
Lower Number of eFuses to be Connected in Parallel
6.2
Reduced PSU Size
7
Summary
8
References
Application Note
Enhancing Server Power Design Using Advanced Features of TI’s Smart eFuses