JAJSRN4A
July 2023 – October 2023
TPS25984
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Revision History
5
概要 (続き)
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
FET Health Monitoring
8.3.15
Single Point Failure Mitigation
8.3.15.1
IMON Pin Single Point Failure
8.3.15.2
ILIM Pin Single Point Failure
8.3.15.3
IREF Pin Single Point Failure
8.3.15.4
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
9.1.3
Multiple eFuses, Parallel Connection With PMBus
9.1.4
Digital Telemetry Using External Microcontroller
9.2
Typical Application: 12-V, 3.3-kW Power Path Protection in Data Center Servers
9.2.1
Application
9.2.2
Design Requirements
9.2.3
Detailed Design Procedure
9.2.4
Application Curves
9.3
Best Design Practices
9.4
Power Supply Recommendations
9.4.1
Transient Protection
9.4.2
Output short-Circuit Measurements
9.5
Layout
9.5.1
Layout Guidelines
9.5.2
Layout Example
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
サポート・リソース
10.3
Trademarks
10.4
静電気放電に関する注意事項
10.5
用語集
11
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
RZJ|32
MPQF664A
サーマルパッド・メカニカル・データ
RZJ|32
QFND783
7
Specifications