FDMF6824B

Full Half-Bridge (H Bridge) Drivers Overview

The FDMF6824B is a SyncFET DrMOS half-bridge driver from onsemi, designed for synchronous buck converters. It integrates high-side and low-side drivers with an output current capability of 55 A. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports load voltages from 3 V to 16 V. Key timing parameters include rise and fall times of 10 ns. It functions in temperatures from -40°C to +125°C (junction temperature up to 150°C) and features UVLO, overtemperature, and shoot-through protection.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates high-side and low-side gate drivers into a single compact module
• Includes built-in fault protection mechanisms such as overtemperature and under-voltage lockout
• Features status flag output for system monitoring and control feedback

Full Half-Bridge (H Bridge) Drivers Applications

• Synchronous buck converter designs
• Point-of-load power regulation modules
• High-density server and workstation power supplies

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance and REACH declarations against current regulatory requirements. Validate package integrity upon receipt, as moisture sensitivity level 1 requires standard handling. Cross-reference datasheet revisions to ensure compatibility with existing design specifications before final procurement.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component for applications requiring integrated half-bridge driving with moderate current capacity. Ensure the input PWM signal aligns with the specified logic thresholds. Verify thermal management solutions accommodate the junction temperature limits. Consider the 40-PQFN package dimensions for PCB layout constraints and verify that the bootstrap circuitry meets the switching frequency requirements.

Full Half-Bridge (H Bridge) Drivers Part Context

Part of the XS DrMOS series by onsemi, the FDMF6824B consolidates driver and MOSFET functions to reduce board space. It belongs to the broader family of power management ICs aimed at improving efficiency in DC-DC conversion. The device utilizes silicon technology and is housed in a 40-pin PowerTFQFN package for efficient heat dissipation and compact integration.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. As the component is marked obsolete, engineering teams should evaluate alternative DrMOS solutions with similar electrical characteristics and pinout compatibility for new designs.