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Product Detailed Parameters
- Description：IC MOTOR DRIVER 28SOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR)
- Motor Type - Stepper：-
- Motor Type - AC, DC：-
- Function：-
- Output Configuration：-
- Interface：-
- Technology：-
- Step Resolution：-
- Applications：-
- Current - Output：-
- Voltage - Supply：-
- Voltage - Load：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The BA5891FM-DE2 is a dedicated motor driver integrated circuit manufactured by ROHM Semiconductor. It is housed in a 28-SOP package with dimensions of 0.295 inches (7.50mm) width and includes two thermal pads for heat dissipation. The device operates within a supply voltage range of 4.3V to 13.2V and draws a supply current of 22.9mA. It is designed for surface mount installation and functions reliably across an operating temperature range of -40°C to 85°C. The component is RoHS compliant and classified under PMIC motor drivers.
Feature Summary
- Integrated five-channel power driver architecture optimized for disc drive mechanisms
- Built-in thermal protection mechanisms to ensure operational stability under load
- Designed for low-noise operation suitable for precision optical drive applications
Applications
- CD-ROM drive spindle motor control
- Optical disc drive actuator positioning
- Multi-disc changer mechanism control
Procurement Notes
Verify the specific suffix DE2 against the official ROHM datasheet to confirm pinout compatibility and electrical characteristics. Check the Product Change Notification (PCN) for any recent manufacturing updates or material changes. Confirm end-of-life status if long-term availability is required, as obsolescence notices may impact future production runs.
Selection Notes
Select this component when designing CD or DVD drive systems requiring a single-chip solution for multiple motor channels. Ensure the PCB layout accommodates the 28-SOP footprint and utilizes the thermal pads for adequate heat sinking. Verify that the system voltage remains within the 4.3V to 13.2V operating window to prevent malfunction.
Part Context
This part belongs to the BA58xx series of motor drivers from ROHM, specifically tailored for optical storage devices. It replaces earlier generations of discrete driver circuits, offering higher integration and reduced board space. The HSOP-28 package allows for compact design in consumer electronics where size constraints are critical.
Replacement Considerations
Consult the official ROHM substitution guide for direct replacements. Generic equivalents may not match the specific thermal performance or channel configuration required for optical drives.
