MIC4468YWM

Overview

The MIC4468YWM is a quad low-side MOSFET gate driver manufactured by Microchip Technology. It features four independent non-inverting drivers with a peak output current of 1.2 A. The device operates within a supply voltage range of 4.5 V to 18 V and supports both N-channel and P-channel MOSFETs. Key electrical parameters include an on-resistance of 5 Ω for both source and sink paths, with rise and fall times of 25 ns. It is housed in a 16-pin SOIC package and functions reliably across an operating temperature range of -40°C to +85°C.

Feature Summary

• Provides four independent low-side gate drive channels for efficient power switching control
• Delivers high peak output current capability to ensure rapid MOSFET switching transitions
• Features symmetrical 5 Ohm source and sink output resistance for balanced signal integrity
• Supports direct interface with standard logic families including CMOS and TTL inputs

Applications

• DC-DC converter bridge circuits requiring isolated or low-side switching
• Motor control systems utilizing multiple low-side MOSFET stages
• Industrial power supplies needing robust gate drive isolation
• Inverter topologies driving N-channel or P-channel power devices

Procurement Notes

Verify the specific suffix 'YWM' corresponds to the 16-SOIC package variant when ordering. Confirm that the required operating temperature range aligns with the specified -40°C to +85°C limit. Ensure input logic levels are compatible with the 4.5 V minimum supply voltage threshold. Cross-reference the datasheet revision date to guarantee parameter accuracy for your design implementation.

Selection Notes

Select this component when designing circuits requiring four independent low-side drivers with high peak current capability. It is suitable for applications where symmetrical rise and fall times are critical for minimizing switching losses. Consider the 16-SOIC package constraints regarding thermal dissipation and PCB layout space. Verify that the load capacitance does not exceed the driver's ability to maintain the specified 25 ns transition times under the chosen supply voltage conditions.

Part Context

This part belongs to the MIC4468 series of quad MOSFET drivers from Microchip Technology. It is designed as a cost-effective solution for multi-phase power conversion applications. The series emphasizes reliability and ease of integration into existing power management architectures. It serves as a dedicated interface between low-voltage control logic and high-power switching elements.

Replacement Considerations

Check for pin-compatible alternatives such as the MIC4469 if high-side driving is required. Verify functional equivalence with other quad low-side drivers from different manufacturers regarding output current and propagation delay specifications before substitution.