MP8040DN-LF

Full Half-Bridge (H Bridge) Drivers Overview

The MP8040DN-LF-Z 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 operates within a wide input voltage range of 7.5V to 25V. Key electrical parameters include peak current output of ±9A, continuous current output of ±4.25A, and switching frequencies up to 1.2MHz. It features protected 100mΩ integrated power switches with per-cycle current limiting for both sourcing and sinking currents.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates upper and lower N-channel MOSFET power switches in a compact package
• Provides overcurrent protection via preset per-cycle current limiting for pull-up and pull-down currents
• Supports true two-quadrant operation with standard logic signal interfaces
• Includes comprehensive protection mechanisms such as undervoltage lockout and thermal shutdown

Full Half-Bridge (H Bridge) Drivers Applications

• Class D audio PWM input power drivers
• High-frequency general-purpose half-bridge applications
• Motor control systems requiring integrated power switching

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific suffix (LF-Z or LF-P) against your bill of materials, as packaging formats differ between cut tape/reel options. Confirm RoHS compliance status through official datasheets before integration. Ensure design compatibility with the SOIC-8 EP package thermal requirements. Cross-reference the manufacturer part number directly with Monolithic Power Systems documentation to avoid counterfeit components.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when a compact solution for driving N-channel MOSFETs in a half-bridge configuration is required. It is suitable for designs needing high peak current capabilities up to 9A and operating frequencies reaching 1.2MHz. Consider its integrated protection features for simplified circuit design. Evaluate the 7.5V to 25V input voltage range against your system's power supply specifications.

Full Half-Bridge (H Bridge) Drivers Part Context

This device belongs to the MP8040 series of integrated half-bridge drivers. It is categorized under gate drivers and PMIC solutions by Monolithic Power Systems. The component utilizes silicon technology and is housed in an SOIC-8 package with an exposed pad for thermal management. It serves as a specialized power management IC for driving external or internal power switches efficiently.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

MP8040DN-LF-P is a verified alternative variant within the same product family, differing primarily in packaging format.