MP86884DQKT-Z

Full Half-Bridge (H Bridge) Drivers Overview

The MP86884DQKT-Z is a monolithic half-bridge driver from Monolithic Power Systems, part of the Intelli-Phase series. It integrates high-side and low-side power MOSFETs with gate drivers to minimize parasitic inductance and optimize dead-time for high efficiency. The device supports a wide input voltage range of 4.5V to 14V and delivers up to 55A continuous output current. Operating frequencies range from 100kHz to 1MHz within a compact 6mm x 6mm TQFN package.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates internal power MOSFETs and drivers to reduce parasitic inductance and optimize dead-time.
• Supports three-state PWM signals for compatibility with multi-phase controllers.
• Includes Accu-Sense current sampling and temperature monitoring functions.
• Provides comprehensive protection against over-current and over-temperature conditions.

Full Half-Bridge (H Bridge) Drivers Applications

• High-efficiency laptop power delivery systems
• Multi-phase VRM designs requiring small form factors
• General-purpose half-bridge driver applications

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify component authenticity through authorized MPS distributors or certified partners. Confirm the specific suffix matches the required tape-and-reel packaging configuration. Ensure design compliance with RoHS3 standards and check for any obsolescence notices regarding new design recommendations.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when a single-chip solution for high-current half-bridge driving is required. It is suitable for designs prioritizing board space reduction due to its 6x6mm TQFN footprint. Consider the integrated nature of the FETs and drivers if minimizing external component count and improving switching efficiency are primary objectives.

Full Half-Bridge (H Bridge) Drivers Part Context

This device belongs to the MP86883/MP86884 family of Intelli-Phase solutions designed for high-density power conversion. It serves as an advanced alternative to discrete MOSFET and driver combinations, offering improved thermal performance and simplified layout requirements for modern portable electronics.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

MP86945A is identified as a recommended alternative for new designs. Verify pinout compatibility and electrical specifications before substitution.