BD6889GU-E2

Overview

The BD6889GU-E2 is a fully integrated driver and power stage control IC designed for bipolar stepper motors, manufactured by ROHM Semiconductor. It provides six full-ON drive H-bridge channels and one linear constant-current drive H-bridge channel. The component operates within a supply voltage range of 8 V to 28 V and supports an output current of up to 1.5 A. It functions across a temperature range of -25°C to +85°C and utilizes an HTQFP-48 surface-mount package.

Feature Summary

• Integrates six full-ON drive H-bridge channels for high-efficiency motor control
• Includes one dedicated linear constant-current drive H-bridge channel
• Features a highly effective charge pump circuit with automatic switching capabilities

Applications

• Bipolar stepper motor control systems
• Motion control applications requiring integrated driver stages
• Industrial automation equipment utilizing stepper motors

Procurement Notes

Verify the current lifecycle status before procurement as this component may be classified as obsolete or not recommended for new designs. Confirm availability through authorized distributors, noting that stock levels can vary significantly. Ensure compatibility with existing system requirements regarding the HTQFP-48 package and operating voltage ranges prior to ordering.

Selection Notes

Select this IC for applications requiring a compact solution that integrates both power stages and control logic for bipolar stepper motors. Consider its capability to handle up to 1.5 A output current and its specific thermal performance within the -25°C to +85°C range. Evaluate the need for the integrated linear constant-current drive alongside the six full-ON channels for precise motor operation.

Part Context

This component belongs to the BD6889 series of motor drivers from ROHM Semiconductor. It is categorized under Motor / Motion / Ignition Controllers & Drivers. The device is part of a family offering integrated solutions for stepper motor applications, distinguishing itself by combining multiple H-bridge configurations into a single package.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify if other members of the BD6889 series or similar ROHM bipolar stepper driver ICs meet the specific electrical and packaging requirements.