IR3551MTRPBF

Full Half-Bridge (H Bridge) Drivers Overview

The IR3551MTRPBF is a PowIRstage DC/DC controller featuring an integrated high-side gate driver with a peak output current of 50 A. It operates within a supply voltage range of 4.5 V to 15 V and supports switching frequencies from 200 kHz to 1 MHz. The device includes an internal LDO regulator providing a stable 2.5 V output for biasing. Designed for single-phase applications, it functions across an extended temperature range of -40°C to +125°C. The component utilizes a PQFN-28 package to facilitate compact power stage integration.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates a high-side gate driver capable of delivering 50 A peak current directly into the power stage.
• Includes an internal low-dropout regulator to provide a stable 2.5 V bias voltage for the driver circuitry.
• Supports programmable switching frequencies ranging from 200 kHz to 1 MHz for optimized efficiency.

Full Half-Bridge (H Bridge) Drivers Applications

• Single-phase point-of-load (POL) converters
• Server and workstation CPU/GPU core voltage regulation modules
• High-density telecommunications power supplies

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify component authenticity through authorized Infineon channels or certified distributors. Confirm the specific suffix matches the requested reel or cut tape format. Check RoHS compliance status as indicated in the official datasheet. Ensure storage conditions respect moisture sensitivity levels prior to soldering. Validate that the part number corresponds to the exact revision required for your design.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when a single-channel solution with high drive capability is required. It is suitable for designs prioritizing board space reduction by integrating the driver. Consider the thermal performance of the PQFN-28 package relative to the expected load current. Ensure the input voltage range aligns with the system's available power rails.

Full Half-Bridge (H Bridge) Drivers Part Context

This device belongs to the PowIRstage family, which combines control logic with power stage drivers. It targets high-efficiency, high-current density applications where minimizing external component count is critical. The integration simplifies the design of synchronous buck converters compared to discrete driver solutions.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official Infineon cross-reference tools for verified alternatives.