MP5981GLU-Z

Current Regulation/Management Overview

The MP5981GLU-Z is a hot-swap controller from Monolithic Power Systems designed for high-current applications. It supports input voltages up to 16V and handles continuous currents of 50A. The device features an integrated Intelli-Fuse solution with a typical RDS(ON) of 1.1mΩ. It operates within a junction temperature range of -40°C to +125°C and utilizes a 32-LGA package.

Current Regulation/Management Feature Summary

• Integrates an Intelli-Fuse solution combining power MOSFETs and control logic
• Provides precise current limiting and programmable slew rate control
• Includes comprehensive protection against overcurrent, thermal overload, and undervoltage lockout

Current Regulation/Management Applications

• Network infrastructure equipment
• Telecommunications systems
• Industrial backplane power distribution

Current Regulation/Management Procurement Notes

Verify the specific suffix designation to ensure compatibility with required packaging and lead time expectations. Confirm that the 32-LGA footprint matches the target PCB layout. Review the official datasheet for detailed thermal dissipation requirements and pin configuration before finalizing procurement orders.

Current Regulation/Management Selection Notes

Select this component when designing systems requiring robust hot-swap capabilities for high-load circuits. The integrated MOSFET reduces external component count compared to discrete solutions. Ensure the application voltage does not exceed the 16V maximum rating and that thermal management strategies align with the specified operating temperature limits.

Current Regulation/Management Part Context

This part belongs to the MP59xx series of hot-swap controllers manufactured by Monolithic Power Systems. These devices are engineered to protect sensitive loads during insertion and removal in live systems. The series emphasizes high efficiency and compact integration for modern power management architectures.

Current Regulation/Management Replacement Considerations

The MP5991GLU-Z is a confirmed substitute within the same product family offering similar specifications.