MIC4422BM

Overview

The MIC4422BM is a single-channel, low-side MOSFET gate driver manufactured by Microchip Technology. It operates within a supply voltage range of 4.5 V to 18 V and delivers a peak output current of 9 A. The device features non-inverting logic configuration with typical rise and fall times of 25 ns. It is housed in an SOIC-8 surface-mount package and supports an operating temperature range from -40°C to +85°C.

Feature Summary

• Provides high-speed switching capability for N-channel power MOSFETs
• Delivers robust 9 A peak source and sink current
• Features non-inverting input logic for direct signal interfacing

Applications

• Power factor correction circuits
• DC-DC converter topologies
• Motor control systems

Procurement Notes

Verify the specific suffix 'BM' against official Microchip documentation to confirm the exact temperature grade and packaging variant. Ensure compatibility with existing PCB footprints and thermal management requirements before procurement.

Selection Notes

Select this component when a single low-side driver with high peak current is required. Consider the SOIC-8 package constraints and verify that the 18 V maximum supply voltage aligns with the system design parameters.

Part Context

This part belongs to the MIC4422 family of high-speed MOSFET drivers. It serves as a buffer or inverter-based driver designed to enhance the switching speed and drive capability of power MOSFETs in various power electronics applications.

Replacement Considerations

Check for MIC4422AYM-TR or MIC4422YM-TR equivalents if pinout and electrical specifications match. Verify package dimensions and thermal characteristics for direct substitution.