2-Phase Unipolar Stepper Motor Driver

SLA7050M/7051M/7052M

October 2005

Sanken Electric Co.,Ltd.

I03-002EA-051006

Electrical Characteristic (Ta=25℃,Vs=24V,Vcc=5V Unless Otherwise Noted)

Truth table

Input Logic Timing

10μS(min)

5μS(min)

5μS(min)

2μS(min)

2μS(min)

2μS(min)

2μS(min)

Limits

Characteristic

Symbol

MIN

TYP

MAX

Unit

TestCondition

PWMOFFTime

12

μ

S

PWMMinimumONTime

5

μ

S

Sleep-Enablereturntime

100

μ

S

Io：1.5A

2.5

μ

S

Clock→Out

SwitchingTime

2.0

μ

S

Clock→Out

Pin Function

Low level

High level

CW／CCW

Forward(CW)

Reverse(CCW)

Full／Half

Full Step

Half Step

REF

Enable

Output disable(Sleep)

Sync

Non synchronous PWM

Synchronous PWM

Clock

Positive Edge

CW／CCW

&

Full／Half

Clock

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