MIC4452BM-TR

Overview

The MIC4452BM-TR is a low-side MOSFET gate driver manufactured by Microchip Technology. It features a single channel with non-inverting input configuration, designed for surface-mount installation in an 8-SOIC package (3.90mm width). The device supports IGBT and N-channel MOSFET gate types. It operates within a supply voltage range of 4.5V to 18V. Peak output current capability is 12A for both sourcing and sinking. Typical rise and fall times are 20ns and 24ns respectively. Logic threshold voltages are specified at 0.8V for VIL and 2.4V for VIH. The operational temperature range extends from -40°C to 125°C.

Feature Summary

• Provides high peak output current of 12A for rapid switching of power devices
• Features fast propagation characteristics with typical rise and fall times around 20-24ns
• Supports direct drive for N-channel MOSFETs and IGBTs without external components

Applications

• Motor control systems requiring efficient power stage driving
• DC-DC converter topologies utilizing synchronous rectification
• Inverter circuits for industrial automation applications

Procurement Notes

Verify the specific suffix 'TR' indicates tape and reel packaging when ordering. Confirm that the 'B' variant corresponds to the commercial temperature grade (-40°C to 125°C) as defined in the official datasheet. Ensure compatibility with the 8-SOIC footprint dimensions. Cross-reference the manufacturer part number MIC4452BM-TR with the latest revision history to confirm pinout and electrical specifications remain unchanged.

Selection Notes

Select this component for applications requiring a single low-side driver with high current capability. The non-inverting logic simplifies control interface design compared to complementary pairs. Consider the 12A peak current rating against the load capacitance requirements to ensure adequate switching speeds. Verify that the 4.5V minimum supply voltage aligns with the system's available rail. The SOIC-8 package offers a balance between thermal performance and board space constraints.

Part Context

The MIC4452 belongs to a family of unbuffered MOSFET drivers known for simplicity and robustness. Unlike buffered versions, it lacks internal dead-time generation or protection features, relying on external circuitry for complex timing. This makes it suitable for designs where the controller manages timing directly. The device serves as a cost-effective solution for basic power switching needs in consumer and industrial electronics.

Replacement Considerations

Public confirmed substitute part numbers: TC4452VM, MIC4452YM.