MITSUBISHI
M56785FP
SPINDLE MOTOR DRIVER
DESCRIPTION
The M56785FP is a semiconductor integrated circuit in order to drive the spindle motor.
PIN CONFIGURATION (TOP VIEW)
N. C S/S RDS FG CI MODE2 MODE1 1 2 3 4 5 6 7 8 9 42 41 40 39 38 37 36 35 34 N. C W V U RS MODE3 MODE4
FEATURES
q Large power dissipation (Power Package). q 3. 3V DSP available. q The supply voltage with wide range. q High motor drive current . q Low saturation voltage. (typical 1. 2V at load current 500mA) q Motor current control for both motor torque directions. q Reverse torque mode select [SHORT BRAKING,etc]. q Sleep mode. (Zero total current ) q Hall amplifier sensitivity select. (Minimum voltage : 35mVp-p or 50mVp-p) q FG signal output terminal. q Automatic stop select. (Removable function) q Reverse detected signal pin.
M56785FP
10 GND 11 12 13 14 VM VCC2 EC ECR VCC1 HB N. C 15 16 17 18 19 20 21
33 32 31 30 29 28 27 26 25 24 23 22 HwHw+ HvHv+ HuHu+ N. C GND
APPLICATION
CD-ROM,DVD,DVD-ROM,D...
M56785FP PDF File
