Description

The FAN8725 is a monolithic IC suitable for a 3-phase BLDC spindle motor driver and 5-ch motor drivers which drives the focus actuator, tracking actuator, loading motor, stepping motor driver of the CD-media systems.

Features

Common

• Built-in thermal shutdown circuit (TSD)

• Built-in power save circuit

• 3 Independent voltage source

• Corresponds to 3.3V or 5V DSP

Spindle

• Built-in hall bias

• Built-in FG signal output circuit

• Built-in rotational direction detecting circuit

• Built-in protection circuit for reverse rotation

• Built-in short brake circuit

BTL (5-channel)

• Built-in 5-CH balanced transformerless (BTL) driver

• Built-in Level shift circuit

• Independent voltage sources

• VM2 = CH1,CH2 / VM3 = CH3, CH4 ,CH5

Typical Applications

• Compact disk ROM (CD-ROM)

• Compact disk RW (CD-RW)

• Digital video disk ROM (DVD-ROM)

• Digital video disk RAM (DVD-RAM)

• Digital video disk Player (DVDP)

• Other compact disk media