MIC4428BMM

Overview

The MIC4428BMM is a high-speed MOSFET driver manufactured by Microchip Technology. It features a dual-channel output configuration with independent inputs for precise control. The device operates within a supply voltage range of 4.5 V to 18 V and supports peak output currents of 2 A source and 4 A sink. It utilizes a SOIC-8 surface-mount package and functions across an industrial temperature range from -40°C to +125°C.

Feature Summary

• Dual-channel architecture providing independent control over two MOSFETs
• High peak output current capability for rapid switching transitions
• Integrated dead-time control to prevent shoot-through conditions
• Robust performance across extended industrial temperature ranges

Applications

• Synchronous buck converter designs
• Motor drive gate driving circuits
• Power supply management systems

Procurement Notes

Verify the specific suffix 'BMM' against the official Microchip datasheet to confirm package type and temperature grade. Ensure design compatibility with the required input logic levels and supply voltage constraints before integration into the final hardware assembly.

Selection Notes

Select this component when independent dual-channel control with integrated dead-time is required. It is suitable for applications demanding high peak currents to drive power MOSFETs efficiently while maintaining system stability through controlled switching speeds.

Part Context

This part belongs to the MIC4428 family of high-speed MOSFET drivers. These devices are designed to interface directly with standard logic outputs, providing the necessary current amplification to drive external power switches in various power conversion topologies effectively.

Replacement Considerations

Consult Microchip documentation for verified cross-reference parts. Ensure any substitute maintains identical pinout, electrical ratings, and package dimensions to guarantee functional equivalence without redesigning the PCB layout.