SLVSGX1B
July 2023 – April 2025
TPS25984
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Description (continued)
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
Logic Interface
6.7
Timing Requirements
6.8
Switching Characteristics
6.9
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Undervoltage Protection
7.3.2
Insertion Delay
7.3.3
Overvoltage Protection
7.3.4
Inrush Current, Overcurrent, and Short-Circuit Protection
7.3.4.1
Slew Rate (dVdt) and Inrush Current Control
7.3.4.1.1
Start-Up Time Out
7.3.4.2
Steady-State Overcurrent Protection (Circuit-Breaker)
7.3.4.3
Active Current Limiting During Start-Up
7.3.4.4
Short-Circuit Protection
7.3.5
Analog Load Current Monitor (IMON)
7.3.6
Mode Selection (MODE)
7.3.7
Parallel Device Synchronization (SWEN)
7.3.8
Stacking Multiple eFuses for Unlimited Scalability
7.3.8.1
Current Balancing During Start-Up
7.3.9
Analog Junction Temperature Monitor (TEMP)
7.3.10
Overtemperature Protection
7.3.11
Fault Response and Indication (FLT)
7.3.12
Power-Good Indication (PG)
7.3.13
Output Discharge
7.3.14
FET Health Monitoring
7.3.15
Single Point Failure Mitigation
7.3.15.1
IMON Pin Single Point Failure
7.3.15.2
ILIM Pin Single Point Failure
7.3.15.3
IREF Pin Single Point Failure
7.3.15.4
ITIMER Pin Single Point Failure
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.1.1
Single Device, Standalone Operation
8.1.2
Multiple Devices, Parallel Connection
8.1.3
Multiple eFuses, Parallel Connection With PMBus
8.1.4
Digital Telemetry Using External Microcontroller
8.2
Typical Application: 12-V, 3.3-kW Power Path Protection in Data Center Servers
8.2.1
Application
8.2.2
Design Requirements
8.2.3
Detailed Design Procedure
8.2.4
Application Curves
8.3
Best Design Practices
8.4
Power Supply Recommendations
8.4.1
Transient Protection
8.4.2
Output short-Circuit Measurements
8.5
Layout
8.5.1
Layout Guidelines
8.5.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RZJ|32
MPQF664A
Thermal pad, mechanical data (Package|Pins)
RZJ|32
QFND783
Orderable Information
slvsgx1b_oa
slvsgx1b_pm
Data Sheet
TPS25984x 4.5V–16V, 0.8mΩ, 70A Stackable eFuse With Accurate and Fast Current Monitor