The BA6492BFS is a one-chip IC designed for driving FDD spindle motors. This high-performance IC employs a 3-phase, full-wave soft switching drive system, and contains a digital servo, an index amplifier, two monostable multivibrator elements, and a power save circuit. The compactly packaged IC reduces the number of external components required.

Features
1) 3-phase, full-wave soft switching drive system.
2) Digital servo circuit.
3) Power save circuit.
4) Hall power supply switch.
5) Motor speed changeable.
6) Index amplifier. Built-in 2 monostable multivibrator.

Applications
    Floppy disk drivers