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Motor driver ICs

FDD spindle motor driver

BA6486FS

The BA6486FS is a one-chip IC designed for driving 12V 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, and a power save circuit.

The compactly packaged IC reduces the number of external components required.

FApplications

Floppy disk drivers

FFeatures

1) 12V supply voltage.

2) 3-phase, full-wave soft switching drive system.

3) Digital servo circuit.

4) Power save circuit.

5) Hall power supply switch.

6) Motor speed changeable.

7) Index amplifier.

FAbsolute maximum ratings (Ta = 25_C)

FRecommended operating conditions (Ta = 25_C)