M54679FP Ver la hoja de datos (PDF) - MITSUBISHI ELECTRIC

Número de pieza

componentes Descripción

Fabricante

M54679FP

2-PHASE STEPPER MOTOR DRIVER

MITSUBISHI ELECTRIC  

PRELIMINARY

Notice: This is not a final specification.

Some parametric limits are subject to change.

PIN FUNCTION

Symbol

Terminal

Vm1, Vm2

Out1A, Out1B, Out2A, Out2B

Rs1, Rs2

VCC

Ph1A, Ph1B, Ph2A, Ph2B

I0(1), I1(1), I0(2), I1(2)

Stby

S1, S2

Vref

Regout

Fref

P.GND

Motor Supply Voltage

Output terminals

Current sensor

Power supply

Phase input

Output current change

Standby input

Sense inputs

Vref input

Output of voltage stabilizer

A capacitor for oscillator

Power GND

MITSUBISHI <CONTROL / DRIVER IC>

M54679FP

2-PHASE STEPPER MOTOR DRIVER

Function

Power supply for motor drive.

Motor drive output terminals.

Output current sensing resistor (Rs) connection terminals.

Control circuit power supply.

Output current direction switch terminals.

Output current change (100%, 70%, 33%, 0%) terminals.

Standby input (L: Standby, H or open: motor function) terminal.

Input voltage terminal of comparators.

Reference voltage due to setting output current.

Output of voltage stabilizer (3.5V).

A capacitor due to PWM carrier frequency.

The GND terminal of bottom side flywheel diodes.

ABSOLUTE MAXIMUM RATINGS (Ta = 25°C unless otherwise noted.)

Symbol

Vm

Iout

VCC

Vlogic

Vanalog

VRs

Pd

Kθ

Tj

Topr

Tstg

Parameter

Motor supply voltage

Output current

Power supply

Logic input voltage

Analog input voltage

Output current sensing

Power dissipation

Thermal derating

Junction temperature

Operating temperature

Storage temperature

Conditions

Per one phase

Ph1A, Ph1B, Ph2A, Ph2B, I0, I1, Stby

Vref, S1, S2

Rs1, Rs2

Under board mount condition.

(see next page)

Ratings

-0.3 – 37

±0.8

-0.3 – 7.0

-0.3 – VCC

-0.3 – VCC

1.5

2.7

46

150

-20 – 75

-40 – 125

Units

V

A

V

V

V

V

W

°C/W

°C

°C

°C

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