Overview
The LB1894M is a 3-phase brushless motor driver for use in CD-ROM spindle motors.

Function and Features
• 3-phase bipolar brushless motor driver.
• Voltage linear drive, enabling the external capacitance to be reduced.
• Thermal shutdown circuit built-in.
• Overcurrent protection circuit built-in.
• V-type control amplifier built-in.
• 2-step switching control gain.
• Control gain switchable using operational amplifier.