DESCRIPTION

The M56755AFP is a semiconductor integrated circuit designed for a single chip controller for CD-ROM spindle motor.

M56755AFP has a both (forward and reverse) motor torque control by the motor speed control terminal.

M56755AFP has the several braking mode that an user can flexibly select in order to generate the reverse torque. Also, this device includes a bias circuit for Hall Sensor, a current limit circuit and a thermal shut down function.

FEATURES

● 3.3V DSP available.

● The supply voltage with wide range. (4.5V to 13.2V)

● High motor drive current (1.2A).

● Motor current control for the both motor torque is possible.

● Reverse torque mode select [SHORT BRAKING, etc]

● Sleep mode

● Hall amplifier sensitivity select

● Automatic stop select (with reverse detected signal pin)

APPLICATION

Above 8 times speed CD-ROM, DVD, DVD-ROM etc.