SLVSHA1
September 2024
TPS1685
ADVANCE INFORMATION
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
Logic Interface
6.7
Timing Requirements
6.8
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
IREF Pin Single Point Failure
7.3.15.3
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
8.2
Typical Application: 54V Power Path Protection in Data Center Servers
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.3.1
Transient Protection
8.3.2
Output Short-Circuit Measurements
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
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
11.1
Tape and Reel Information
11.2
Mechanical Data
Package Options
Mechanical Data (Package|Pins)
VMA|23
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsha1_oa
11.2
Mechanical Data