FDMF5839

Full Half-Bridge (H Bridge) Drivers Overview

The FDMF5839 is a Smart Power Stage (SPS) module manufactured by onsemi, formerly Fairchild Semiconductor. It integrates high-side and low-side gate drivers with power MOSFETs in a single PQFN-31 package. The device supports a supply voltage range of 4.5 V to 5.5 V and delivers an output current of 35 A. Switching characteristics include a rise time of 4 ns and a fall time of 3 ns. It operates within a temperature range of -40°C to +125°C and features integrated thermal warning and shutdown capabilities.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates high-side and low-side gate drivers with power MOSFETs into a single Smart Power Stage module.
• Includes built-in thermal warning and thermal shutdown protection mechanisms for enhanced reliability.

Full Half-Bridge (H Bridge) Drivers Applications

• High-efficiency synchronous buck converters
• Point-of-load (POL) power regulation modules
• Server and data center power distribution systems

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific revision level matches design requirements. Note that this part may be discontinued; check current availability status before finalizing procurement plans. Ensure proper handling procedures are followed due to surface mount packaging.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component for applications requiring compact integration of driver and power stages. Evaluate thermal management needs based on the PQFN-31 package constraints. Verify compatibility with control logic voltage levels within the specified 4.5 V to 5.5 V operating range. Consider switching speed requirements against electromagnetic interference implications.

Full Half-Bridge (H Bridge) Drivers Part Context

This component belongs to the FDMF series of Smart Power Stages from onsemi. It represents a consolidation of discrete gate driver and MOSFET technologies into a unified solution. The series targets high-density power conversion applications where board space and efficiency are critical design parameters.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Publicly confirmed substitutes include FDMF5833 and FDMF5833-F085. These alternatives share similar Smart Power Stage architectures and should be evaluated for pinout compatibility and electrical parameter alignment before substitution.