SLVSGG3A
May 2022 – September 2022
TPS25985
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Description (continued)
6
Pin Configuration and 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
Logic Interface
7.7
Timing Requirements
7.8
Switching Characteristics
7.9
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Undervoltage Protection
8.3.2
Insertion Delay
8.3.3
Overvoltage Protection
8.3.4
Inrush Current, Overcurrent, and Short-Circuit Protection
8.3.4.1
Slew rate (dVdt) and Inrush Current Control
8.3.4.1.1
Start-Up Time Out
8.3.4.2
Steady-State Overcurrent Protection (Circuit-Breaker)
8.3.4.3
Active Current Limiting During Start-Up
8.3.4.4
Short-Circuit Protection
8.3.5
Analog Load Current Monitor (IMON)
8.3.6
Mode Selection (MODE)
8.3.7
Parallel Device Synchronization (SWEN)
8.3.8
Stacking Multiple eFuses for Unlimited Scalability
8.3.8.1
Current Balancing During Start-Up
8.3.9
Analog Junction Temperature Monitor (TEMP)
8.3.10
Overtemperature Protection
8.3.11
Fault Response and Indication (FLT)
8.3.12
Power Good Indication (PG)
8.3.13
Output Discharge
8.3.14
General Purpose Comparator
8.3.15
FET Health Monitoring
8.3.16
Single Point Failure Mitigation
8.3.16.1
IMON Pin Single Point Failure
8.3.16.2
ILIM Pin Single Point Failure
8.3.16.3
IREF Pin Single Point Failure
8.3.16.4
ITIMER Pin Single Point Failure
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.1.1
Single Device, Standalone Operation
9.1.2
Multiple Devices, Parallel Connection
9.2
Typical Application: 12-V, 3.6-kW Power Path Protection in Datacenter Servers
9.2.1
Application
9.2.2
Design Requirements
9.2.3
Detailed Design Procedure
9.2.4
Application Performance Plots
9.3
Multiple eFuses, Parallel Connection with PMBus
9.4
Digital Telemetry Using External Microcontroller
9.5
What to Do and What Not to Do
10
Power Supply Recommendations
10.1
Transient Protection
10.2
Output Short-Circuit Measurements
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RQP|26
MPQF569A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsgg3a_oa
slvsgg3a_pm
11.2
Layout Example
Figure 11-1
TPS25985x Two Parallel Devices Layout Example