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DESCRIPTION The M56785FP is a semiconductor integrated circuit in order to drive the spindle motor. FEATURES ● Large power dissipation (Power Package). ● 3.3V DSP available. ● The supply voltage with wide range. ● High motor drive current . ● Low saturation voltage. (typical 1.2V at load current 500mA) ● Motor current control for both motor torque directions. ● Reverse torque mode select [SHORT BRAKING,etc]. ● Sleep mode. (Zero total current ) ● Hall amplifier sensitivity select. (Minimum voltage : 35mVp-p or 50mVp-p) ● FG signal output terminal. ● Automatic stop select. (Removable function) ● Reverse detected signal pin. APPLICATION CD-ROM,DVD,DVD-ROM,DVD-RAM etc.
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