BD91364BMUU-ZE2

Overview

The BD91364BMUU-ZE2 is a single synchronous buck DC/DC converter manufactured by ROHM Semiconductor. It integrates power MOSFETs to deliver an output current of 5A. The device operates with an input voltage range supporting standard system rails and provides adjustable output voltages. Key electrical characteristics include high switching frequency operation for compact external component sizing, integrated protection features such as over-current and thermal shutdown, and a compact surface-mount package design optimized for thermal performance in space-constrained applications.

Feature Summary

• Integrates high-side and low-side power MOSFETs for a compact solution
• Supports up to 5A continuous output current
• Features built-in protection mechanisms including over-current and thermal shutdown

Applications

• Portable electronic devices requiring efficient step-down conversion
• Industrial equipment power distribution systems
• Communication infrastructure power supplies

Procurement Notes

Verify the specific suffix ZE2 against the manufacturer's latest datasheet to confirm environmental compliance status and pinout compatibility. Ensure the ordering part number matches the exact package variant required for your PCB footprint. Cross-reference the RoHS directive status with current regulatory requirements before finalizing procurement orders.

Selection Notes

Select this component when a single-chip solution for 5A loads is required to minimize board space. Consider the integrated MOSFET topology for simplified design compared to discrete solutions. Evaluate the thermal dissipation capabilities of the VQFN package relative to your enclosure constraints and ambient operating temperatures.

Part Context

This part belongs to the BD91364 series of integrated synchronous buck converters from ROHM. The series is designed for applications needing high efficiency and small form factors. The BMUU designation indicates the specific package type, while the ZE2 suffix typically denotes environmental or manufacturing lot specifications within the product line.

Replacement Considerations

BD91364AMUU-E2 is listed as a related component in the same family. Verify pin-to-pin compatibility and electrical parameter alignment before substitution.