M54679SP 데이터 시트보기 (PDF) - Renesas Electronics

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M54679SP

2-Phase Stepper Motor Driver

Renesas Electronics 

M54679SP

Pin Configuration (Top View)

I1(2) 1

I0(2) 2

Regout 3

Fref 4

Ph2B 5

Ph2A 6

NC 7

8

GND

9

10

Vm2 11

S2 12

Rs2 13

Out2B 14

Out2A 15

N.C 16

32 I1(1)

31 I0(1)

30 Vref

29 Stby

28 Ph1B

27 Ph1A

26 Vcc

25

24

GND

23

22 Vm1

21 S1

20 Rs1

19 Out1B

18 Out1A

17 P.GND

32 Shrink-DIP (32P4B)

Pin Functions

Symbol

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

Terminal

Motor supply voltage

Output terminals

Function

Power supply for motor driver.

Motor drive output terminals.

Current sensor

Power supply

Phase input

Output current sensing resistor (Rs) connection terminals.

Control circuit power supply.

Output current direction switch terminals.

Output current change

Standby input

Sense inputs

Vref input

Output of voltage stabilizer

A capacitor for oscillator

Power GND

Output current change (100%, 70%, 31%, 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 (Vout = 3.5 V).

A capacitor due to PWM carrier frequency.

The GND terminal of bottom side flywheel diodes.

Rev.1.0, Sep.17.2003, page 2 of 11

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