MIC4425BM-TR

Overview

The MIC4425BM-TR is a dual low-side MOSFET gate driver manufactured by Microchip Technology. It features two independent channels capable of delivering a peak output current of 3A. The device operates within a supply voltage range of 4.5V to 18V and supports both CMOS and TTL logic inputs. It utilizes a SOIC-16 surface-mount package and provides inverting output configurations. The component is designed for high-speed switching applications with typical rise and fall times of 35ns, ensuring reliable performance in demanding electrical environments.

Feature Summary

• Provides dual independent low-side driving capability with high 3A peak output current for efficient MOSFET switching
• Features latch-up protection and robust noise immunity, allowing survival of ground pin noise spikes up to 5V
• Supports wide operating voltage ranges from 4.5V to 18V with compatible CMOS and TTL logic input thresholds

Applications

• High-speed power conversion circuits requiring low-side MOSFET control
• Industrial motor drive systems utilizing bipolar/CMOS/DMOS processes
• Automotive electronic control units needing latch-up protected gate drivers

Procurement Notes

Verify the specific suffix 'BM-TR' against official Microchip documentation to confirm tape-and-reel packaging and temperature grade. Confirm RoHS compliance status as historical data may vary. Check for obsolescence notices or lifecycle changes directly from the manufacturer before procurement planning.

Selection Notes

Select this component when dual low-side driving with 3A peak current is required in a compact SOIC-16 package. Ensure the application voltage stays within the 4.5V to 18V range. Consider thermal dissipation requirements based on the specific PCB layout and ambient operating conditions.

Part Context

This part belongs to the MIC4425 family of dual MOSFET drivers, which are higher output current versions of the MIC4426/4427/4428 series. The family shares pin compatibility with predecessors like the MIC426/427/428, facilitating design upgrades while maintaining reliability in demanding electrical environments.

Replacement Considerations

Pin-compatible alternatives include the MIC4423, MIC4424, and MIC4426 families. Verify that substitute parts meet the specific 3A peak current requirement and operating voltage range of the original design.