BD63800MUF-CE2

Overview

The BD63800MUF-CE2 is an automotive-grade bipolar stepper motor driver manufactured by ROHM Semiconductor. It features a rated power supply voltage of 40 V and supports a load voltage range of 6 V to 28 V. The device provides a rated output current of 1.35 A with a minimum operating temperature of -40 C and a maximum of +125 C. It utilizes a VQFN-32 surface mount package and includes a working power consumption of 3.5 mA. The component is AEC-Q100 qualified for automotive applications.

Feature Summary

• Supports full-step to 1/32 micro-step driving modes via CLK-IN and SPI dual interfaces
• Features configurable decay modes (mixed or automatic) to optimize waveform performance
• Includes integrated stall detection and open circuit detection capabilities
• Low on-resistance of 0.75 Ohms minimizes heat generation and simplifies peripheral design

Applications

• Automotive headlight light axis adjustment mechanisms
• Automotive headlight shading blade control systems
• Precision motion control in automotive lighting assemblies

Procurement Notes

Verify the specific suffix CE2 against the official datasheet to confirm pinout and packaging configuration. Ensure the procurement source provides valid AEC-Q100 certification documentation. Check humidity sensitivity handling requirements prior to assembly. Confirm the supplier offers genuine ROHM Semiconductor products to avoid counterfeit components.

Selection Notes

Select this component when designing automotive lighting systems requiring precise stepper motor control. It is suitable for applications needing low power consumption and high reliability under extreme temperatures. Consider its dual interface options for flexible system integration. Evaluate the 0.75 Ohm on-resistance for thermal management efficiency in compact enclosures.

Part Context

This part belongs to ROHM's automotive bipolar stepper motor driver family. It is designed for high-reliability applications in vehicles, specifically targeting complex lighting systems. The BD63800MUF-C is the base model designation, while CE2 indicates specific packaging and tape-and-reel configurations for automated manufacturing processes.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.