Part Number
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BA6477FS |
Manufacturer
|
Rohm |
Description
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FDD spindle motor driver |
Published
|
Apr 1, 2005 |
Detailed Description
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Motor driver ICs
FDD spindle motor driver
BA6477FS
The BA6477FS is a one-chip IC designed for driving FDD spindle motor...
|
Datasheet
|
BA6477FS
|
Overview
Motor driver ICs
FDD spindle motor driver
BA6477FS
The BA6477FS 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, 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.
FAbsolute maximum ratings (Ta = 25_C)
4) Hall power supply switch.
5) Motor speed changeable.
6) Index amplifier.
FRecommended operating conditions (Ta = 25_C)
532
Motor driver ICs
FBlock diag...
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