MP1918GQE-Z

Overview

The MP1918GQE-Z is a high-frequency half-bridge gate driver designed for GaN and MOSFET applications, manufactured by Monolithic Power Systems. It operates within a supply voltage range of 3.7 V to 5.5 V and delivers an output voltage of 100 V. The device features a single output with a peak drive current of 5 A. Key timing parameters include a rise time of 5 ns, a fall time of 3 ns, and a maximum propagation delay of 30 ns. It supports TTL logic inputs and includes a shutdown function. The component is housed in a QFN-14 package and functions reliably across an operating temperature range of -40°C to +125°C.

Feature Summary

• Supports high-frequency switching operations suitable for advanced power electronics
• Provides robust 100 V output capability for driving wide-bandgap devices
• Integrates fast switching speeds with low propagation delay for precise control

Applications

• Driving Gallium Nitride (GaN) transistors in power conversion systems
• High-speed MOSFET gate driving in industrial motor drives
• Efficient power supply topologies requiring fast transient response

Procurement Notes

Verify the specific suffix 'Z' against the manufacturer's official documentation to confirm compliance with RoHS directives and lead-free status. Ensure that the QFN-14 package dimensions align with your PCB footprint requirements. Confirm that the input logic levels are compatible with your system's TTL standards before integration.

Selection Notes

Select this component when designing circuits that require high-speed switching with minimal delay distortion. The 5 A output current capability ensures adequate drive strength for various power devices. Consider the thermal performance within the QFN-14 package if operating at elevated temperatures or high duty cycles.

Part Context

This part belongs to the MPS gate driver family, specifically optimized for high-frequency applications. It serves as a critical interface between low-voltage control logic and high-power switching elements. The design focuses on minimizing dead-time and maximizing efficiency in modern power management architectures.

Replacement Considerations

Consult the official datasheet for direct pin-to-pin replacements or functional equivalents within the MPS portfolio. Verify compatibility regarding supply voltage ranges and output current capabilities when substituting.