BA6492 데이터 시트보기 (PDF) - ROHM Semiconductor

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BA6492

FDD spindle motor driver

ROHM Semiconductor 

Motor driver ICs

FDD spindle motor driver

BA6492BFS

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 multivi-

brator elements, and a power save circuit. The compactly packaged IC reduces the number of external components

required.

FApplications

Floppy disk drivers

FFeatures

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.

FAbsolute maximum ratings (Ta = 25_C)

FRecommended operating conditions (Ta = 25_C)

555

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