MIC4422BN

Overview

The MIC4422BN is a single-channel, low-side MOSFET gate driver manufactured by Microchip Technology. It utilizes a Bipolar/CMOS/DMOS process to deliver a high peak output current of 9A. The device features a non-inverting logic configuration and operates within a supply voltage range of 4.5V to 18V. It is housed in an 8-pin DIP package designed for through-hole mounting. The component supports CMOS and TTL input logic levels, ensuring compatibility with various control interfaces.

Feature Summary

• Delivers high peak output current capability for rapid MOSFET switching
• Features a non-inverting buffer configuration for direct signal transmission
• Supports standard CMOS and TTL input logic voltage levels

Applications

• Power supply circuits requiring efficient MOSFET gate drive
• Motor control systems utilizing low-side switching topologies
• High-speed digital-to-analog conversion interface buffering

Procurement Notes

Verify the specific suffix 'BN' against official Microchip documentation to confirm the exact package type and temperature rating. Ensure the selected variant matches the required PCB footprint and thermal management specifications for the target application environment.

Selection Notes

Select this component when a single-channel, high-current low-side driver is required. Consider the 9A peak current capability for driving large capacitive loads. Verify that the through-hole DIP package aligns with the assembly method and board layout constraints of the design.

Part Context

The MIC4422 belongs to a family of high-speed MOSFET drivers from Microchip. These devices are designed to replace discrete driver solutions, offering improved performance and reduced board space. The family includes variants with different output currents and channel counts to suit diverse power electronics applications.

Replacement Considerations

MIC4422AN: Alternative package variant within the same functional family.