NCP81081MNR2G

Full Half-Bridge (H Bridge) Drivers Overview

The NCP81081MNR2G is a half-bridge driver designed for synchronous buck converters. It supports PWM control with an inductive load and utilizes power MOSFET technology. The device operates with a supply voltage range of 4.5V to 5.5V and handles load voltages from 4.5V to 25V. It delivers a continuous output current of 35A per channel with a peak output capability of 50A. The component functions within a junction temperature range of 0°C to 150°C and is housed in a 40-QFN (6x6) package with exposed pad.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates bootstrap circuit functionality for high-side gate drive operation
• Provides status flag outputs for system monitoring and diagnostics
• Includes overtemperature protection to safeguard against thermal stress
• Features under-voltage lockout (UVLO) to ensure stable operation during low supply conditions

Full Half-Bridge (H Bridge) Drivers Applications

• Synchronous buck converter circuits
• Digital point-of-load regulation modules
• High-current DC-to-DC conversion systems

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific suffix MNR2G to confirm tape and reel packaging configuration. Confirm that the component is marked as End-of-Life or obsolete status prior to procurement planning. Ensure design compatibility with the 40-VFQFN exposed pad footprint for proper thermal dissipation and electrical connection. Validate that the supply voltage constraints align with the target application requirements.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this driver when a single half-bridge stage is required for synchronous rectification in buck applications. Consider the 35A continuous current rating for moderate power levels. Evaluate the 4.5V to 5.5V logic supply requirement against available control voltages. Assess the need for integrated bootstrap and UVLO features versus external discrete solutions.

Full Half-Bridge (H Bridge) Drivers Part Context

This component belongs to the family of half-bridge drivers manufactured by onsemi. It is specifically engineered for driving power MOSFETs in synchronous switching topologies. The device integrates necessary protection mechanisms and drive capabilities into a compact surface-mount package, serving as a key interface between low-power control logic and high-power switching elements.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.