MP8040DN-LF-P

Full Half-Bridge (H Bridge) Drivers Overview

The MP8040DN-LF-P is a high-frequency general-purpose half-bridge power driver from Monolithic Power Systems. It integrates upper and lower N-channel MOSFET power switches with a maximum drive capability of 9A. The device supports a wide input voltage range of 7.5V to 25V and operates at switching frequencies up to 1.2MHz. Key electrical parameters include peak current output of ±9A, continuous current output of ±4.25A, and protected 100mΩ integrated power switches. It features standard logic signal interfaces and is housed in a small-size 8-pin SOIC package with an exposed pad.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates upper and lower N-channel MOSFET power switches for compact half-bridge implementation
• Provides overcurrent protection via preset per-cycle current limiting for both sourcing and sinking currents
• Includes comprehensive protection mechanisms such as internal undervoltage lockout and thermal shutdown
• Supports true two-quadrant operation with low standby current consumption

Full Half-Bridge (H Bridge) Drivers Applications

• Class D audio amplifier systems
• PWM input power driver circuits
• General-purpose half-bridge power applications

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific suffix 'P' indicates tape-and-reel packaging when ordering. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure design compatibility with the 8-pin SOIC EP footprint and thermal requirements. Cross-reference the exact part number against the latest MPS datasheet to confirm pinout and functional specifications match system requirements.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component for designs requiring high peak current drive capabilities within a small form factor. The integrated MOSFETs simplify bill of materials by eliminating external gate drivers and discrete switches. Consider the 100mΩ switch resistance for efficiency calculations under load. The wide input voltage range accommodates various supply rails without additional level shifting circuitry.

Full Half-Bridge (H Bridge) Drivers Part Context

This device belongs to the MP8040 series of half-bridge drivers designed for high-efficiency power conversion. It represents a monolithic solution combining control logic with power stages. The family focuses on reducing board space while maintaining robust protection features. It serves as a core component in modern audio and motor drive architectures where size and reliability are critical constraints.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

MP8040DN-LF-Z is a verified substitute offering identical electrical characteristics and functionality. Verify that the packaging difference does not impact automated assembly processes. No functional changes are associated with the suffix variation.