BD9611MUV-E2

DC DC Switching Controllers Overview

The BD9611MUV-E2 is a synchronous step-down switching controller from ROHM Semiconductor, designed for high-voltage applications with a maximum input voltage of 56 V. It supports an output voltage range from 1 V to 44.8 V and operates within a switch frequency range of 50 kHz to 500 kHz. The device features a maximum duty cycle of 60% and draws a typical operating supply current of 2 mA. It functions across an extended temperature range of -40°C to +105°C and is housed in a 20-pin VQFNV4040-EP package.

DC DC Switching Controllers Feature Summary

• Supports external N-channel FET configuration for high-power synchronous buck regulation
• Includes built-in PWM control circuitry with adjustable soft-start and overcurrent protection
• Features clock synchronization capability for multi-phase or parallel system operation
• Integrates UVLO circuitry on the CTL terminal to prevent low-input malfunction

DC DC Switching Controllers Applications

• EV DC fast-charging station power systems
• Industrial application power supplies
• Service robotics power management
• High-voltage step-down conversion modules

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized ROHM distributors or certified partners. Confirm that the received parts match the BD9611MUV-E2 marking and package type. Check datasheet revisions for any updates regarding electrical characteristics or pin assignments. Ensure storage conditions comply with moisture sensitivity level requirements before soldering.

DC DC Switching Controllers Selection Notes

Select this controller when designing synchronous buck converters requiring wide input voltage ranges up to 56 V. It is suitable for applications needing flexible frequency adjustment and external power MOSFET selection. Consider thermal management due to the exposed pad package design. Verify that external components meet the voltage and current ratings required by the specific system topology.

DC DC Switching Controllers Part Context

This component belongs to the BD9611MUV series of high-voltage synchronous step-down controllers. It is part of ROHM's portfolio aimed at industrial and automotive-grade power management solutions. The series emphasizes efficiency and flexibility through external FET integration and robust protection features.

DC DC Switching Controllers Replacement Considerations

BD9610AMUV-E2 is a related synchronous step-down regulator in the same family, though it has different output current capabilities and may not be a direct functional substitute for all high-power designs.