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
|