BD9P235MUF-CE2

Overview

The BD9P235MUF-CE2 is a synchronous buck DC/DC converter from ROHM Semiconductor, designed for automotive applications. It features Nano Pulse Control technology and operates with an input voltage range of 3.5 V to 40 V. The device provides a fixed 3.3 V output at up to 2 A current capability. It utilizes a 2.2 MHz switching frequency and includes spread spectrum functionality for EMI reduction. Key electrical parameters include a 10 uA quiescent current and operation across a temperature range of -40°C to +125°C. It is housed in a VQFNFV4040-EP-20 package.

Feature Summary

• Nano Pulse Control technology enables stable operation with large step-down ratios and high-speed response during battery start-up.
• Spread spectrum function reduces electromagnetic interference (EMI) noise levels.
• Integrated synchronous FETs provide high efficiency within a compact footprint.
• Qualified under AEC-Q100 Grade 1 standards for automotive reliability.

Applications

• Advanced Driver Assistance Systems (ADAS) sensors
• Automotive cameras and radar systems
• In-vehicle infotainment units
• Instrument clusters
• Body Control Modules (BCM)

Procurement Notes

Verify the specific suffix CE2 against official documentation to confirm package and tape/reel specifications. Check for any pending Product Change Notices (PCN) that may update mechanical or marking details without altering electrical characteristics. Ensure compatibility with automotive functional safety requirements if applicable to the system design.

Selection Notes

Select this component for automotive designs requiring a fixed 3.3 V rail with 2 A capacity. The wide 3.5 V to 40 V input range supports direct connection to vehicle batteries. Nano Pulse Control is suitable for applications demanding fast transient response. Verify thermal performance using the provided thermal model data sheet for the VQFNFV4040-EP-20 package.

Part Context

This part belongs to the BD9P series of 42V withstand automotive primary DC/DC converters. The series emphasizes miniaturization and high efficiency. The BD9P235MUF variant specifically targets fixed-output applications, distinguishing it from adjustable output models within the same family.

Replacement Considerations

The datasheet lists BD9P235MUF-C as a part number alias. No other public substitute part numbers are confirmed in the provided source material.