ROHM BA6855AFM Datasheet

Motor driver ICs

CD-ROM spindle motor driver

BA6855AFM

The BA6855AFM is a CD-ROM motor driver with a built-in motor power supply switching regulator.
The switching regulator allows low-power designs, and reduced thermal dissipation from the IC. It is possible to select
reverse brake and short brake modes.

Applications
CD-ROM, CD-R, CD-RW, DVD-ROM, and DVD-RAM

Features

1) Motor switching regulator on chip.

2) Selectable brake mode via BR pin.

3) FG signal output also possible at power save via
FGS.

Absolute maximum ratings (Ta = 25C)

Recommended operating conditions (Ta = 25C)

841

Motor driver ICs BA6855AFM

Block diagram

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Motor driver ICs BA6855AFM

Pin descriptions

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