M56755FP データシートの表示（PDF） - MITSUBISHI ELECTRIC

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M56755FP

SPINDLE MOTOR DRIVER

MITSUBISHI ELECTRIC  

MITSUBISHI <CONTROL / DRIVER IC>

M56755FP

SPINDLE MOTOR DRIVER

ELECTRICAL CHARACTERISTICS (VCC=5V, VM=12V, Ta=25˚C, Unless otherwise noted.)

Current limit

Reverse torque

+5 – +50mV

4.6A/V

0

EC - ECR

The relationship between the EC (control voltage),

ECR (reference voltage) and the torque is as

shown in Figure 1.

The current gain is 4.6A/V (at sensing resistor :

0.5ohm) in the both torques and a dead zone is

±5mV to ±50mV.

4.6A/V

-5 – -50mV

Forward Torque

Current limit

Figure 1. The characteristics of the control voltage and motor current (Torque).

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