BD9S200MUF-CE2

Overview

The BD9S200MUF-CE2 is a single synchronous buck DC/DC converter manufactured by ROHM Semiconductor, designed for automotive applications. It integrates power MOSFETs and operates with an input voltage range of 2.7 V to 5.5 V. The device delivers a maximum output current of 2 A with adjustable output voltages from 800 mV to 4.4 V. It features a fixed switching frequency of 2.2 MHz and supports a shutdown function. Qualified under AEC-Q100 Grade 1 standards, it functions within a temperature range of -40°C to +125°C. The component utilizes the VQFN3030-EP-16 package.

Feature Summary

• Integrates SLLM™ control technology to optimize efficiency during light load conditions, reducing standby power consumption.
• Employs current-mode control architecture to ensure high-speed transient response performance and simplified phase compensation.

Applications

• Automotive electronic systems requiring compact power management solutions
• Applications demanding low standby power consumption through efficient light-load operation
• Systems utilizing small inductors enabled by high-frequency switching

Procurement Notes

Verify the specific suffix CE2 against official documentation to confirm package type and tape-and-reel specifications. Confirm AEC-Q100 Grade 1 qualification status for automotive compliance requirements. Ensure compatibility with the VQFN3030-EP-16 footprint during PCB layout design. Cross-reference thermal resistance data for adequate heat dissipation planning.

Selection Notes

Select this component when a single-channel synchronous buck converter is required for 5V automotive bus architectures. It is suitable for designs prioritizing small passive component sizes due to the 2.2 MHz switching frequency. Consider this part for applications needing integrated MOSFETs to reduce bill of materials complexity while maintaining high transient response capabilities.

Part Context

This device belongs to the BD9S series of ROHM Automotive synchronous buck converters. It is engineered for integration into vehicle electronics where space constraints and energy efficiency are critical. The series emphasizes robust performance under varying load conditions typical in automotive environments.

Replacement Considerations

Consult official substitution lists for equivalent ROHM parts with matching electrical characteristics and pin configurations. Verify that any alternative maintains AEC-Q100 Grade 1 certification and compatible package dimensions for direct replacement.