STK672-600 查看數據表（PDF） - SANYO -> Panasonic

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产品描述 (功能)

生产厂家

STK672-600

2-phase Stepping Motor Driver

SANYO -> Panasonic 

STK672-600

6. Example of Stepping Motor Driver Output Current Path (1-2 phase excitation)

2-phase stepping motor driver

IOA IOAB

A

AB

B

BB

MODE1

MODE2

CLOCK

CWB

VDD

Excitation

mode

selection

Phase

advance

counter

Phase

excitation

signal

generator

FAO

FAB

FBO

FBB

F1

F2

F3

F4

RESETB

ENABLE

R1

AI

Chopper BI

circuit CI

VSS

S.G

R3 3.9kΩ

R4 1.0kΩ

R2

P.G2

P.G1

VCC

24V

+ C02

at least 100μF

P.GND

CLOCK

Phase A output current

IOA

Phase AB output current

IOAB

PWM operations

When PWM operations of IOA

are OFF, for IOAB, negative

current flows through the

parasitic diode, F2.

When PWM operations of

IOAB are OFF, for IOA,

negative current flows through

the parasitic diode, F1.

No. A0755-18/19

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