BD63621MUV-E2

Overview

The BD63621MUV-E2 is a bipolar stepper motor driver manufactured by ROHM Semiconductor, designed for applications requiring robust performance in high-voltage environments. It features a rated output current of 2 A DC and supports a maximum supply voltage of 28 V, with an operating range from 8 V to 28 V. The device utilizes DMOS output technology to achieve low ON resistance, enhancing efficiency. It operates within a temperature range of -25°C to +85°C and consumes a typical quiescent current of 2.5 mA. Packaged in a compact VQFN-28 form factor, it integrates two independent outputs for precise motor control.

Feature Summary

• Integrates DMOS output stages to provide low ON resistance for efficient power delivery
• Supports high-voltage operation up to 28 V supply rails
• Features low standby current consumption for energy-efficient operation
• Designed for reliable performance in demanding thermal environments

Applications

• Stepper motor control in industrial automation equipment
• Motion control systems in office automation devices
• Actuator drivers in security and access control systems
• Precision positioning mechanisms in medical instrumentation

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure compliance with RoHS standards and environmental requirements. Confirm that the requested package variant matches the required pin configuration and thermal characteristics. Cross-reference the component marking code with the datasheet to authenticate the source and prevent counterfeit risks during acquisition.

Selection Notes

Select this component when a bipolar stepper driver is required with a 2 A continuous current capability and a supply voltage up to 28 V. Consider the VQFN-28 package for space-constrained PCB layouts. Ensure the application environment stays within the specified -25°C to +85°C operating range. Evaluate thermal dissipation requirements based on the expected load current and ambient conditions before finalizing the design.

Part Context

This part belongs to ROHM's stepping motor driver series, specifically engineered for high-reliability applications. It complements other motor control solutions by offering a balance of high voltage tolerance and efficient power management. The BD63621MUV-E2 is distinct from linear regulators or battery chargers within the same manufacturer portfolio due to its specialized bipolar drive architecture.

Replacement Considerations

Consult the official cross-reference list for direct substitutes. Verify pin compatibility and electrical specifications before swapping components. Ensure any alternative driver supports similar voltage and current ratings to maintain system performance.