MIC4426BMM-TR

Overview

The MIC4426BMM-TR is a dual low-side MOSFET 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 1.5 A for both sourcing and sinking. The device features an inverting input configuration with specified logic voltage thresholds of 0.8 V (VIL) and 2.4 V (VIH). Typical switching performance includes a rise time of 20 ns and a fall time of 29 ns, with a propagation delay of 17 ns. It is housed in an 8-TSSOP or 8-MSOP package.

Feature Summary

• Dual low-side MOSFET driver architecture fabricated on BiCMOS/DMOS process
• High-speed switching capability with typical rise and fall times under 30 ns
• Inverting input logic compatible with standard digital interfaces
• Robust 1.5 A peak source and sink current drive capability

Applications

• Efficient motor control systems requiring high-speed switching
• Industrial control applications utilizing reliable plastic SOP packages
• Low-side power switching in general-purpose electronic circuits

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm package type and tape-and-reel specifications. Ensure the ordering part number matches the required 8-TSSOP or 8-MSOP variant. Cross-reference the manufacturer's latest datasheet to confirm pinout compatibility and electrical characteristics before integration into design.

Selection Notes

Select this component when a dual low-side driver with 1.5 A output current is required. The inverting logic configuration must align with the system's control signal polarity. Consider the 4.5 V to 18 V supply range and the specific rise/fall time requirements for the target application speed. Verify that the 8-pin surface-mount package fits the PCB layout constraints.

Part Context

This part belongs to the MIC4426/4427/4428 family of dual low-side MOSFET drivers. These devices are designed for low power consumption and high efficiency using BiCMOS/DMOS technology. The MIC4426 series provides a cost-effective solution for driving multiple MOSFETs in parallel or controlling separate low-side loads in compact designs.

Replacement Considerations

Check for direct substitutes within the MIC4426 family, such as the MIC4426CN or MIC4426BM-TR, ensuring package and electrical parameters match. Verify compatibility with alternative drivers like the MIC4427 or MIC4428 if non-inverting inputs or different current ratings are acceptable.