10/20

TSZ02201-0S2S0C700240-1-2

© 2020 ROHM Co., Ltd. All rights reserved.

BD68888MUV

14.Sep.2020 Rev.001

www.rohm.com

TSZ22111•15•001

PARALLEL-IN Drive Mode -

Description for CH1 (CH2: same as CH1)-

It is possible to drive stepping motor with FULL STEP, HALF STEP, and QUARTER STEP by inputting the following motor

control signals using PARALLEL-IN drive mode.

Examples of control sequence and torque vector

Controlled by 2 logic signals of PHASE1 and PHASE2

Controlled by 4 logic signals of PHASE1, PHASE2, I01 (I11), and I02 (I12)

HALF STEP A

100%

67%

33%

-

33%

-

67%

-

100%

100%

67%

33%

-

33%

-

67%

-

100%

100%

67%

33%

-

33%

-

67%

-

100%

100%

67%

33%

-

33%

-

67%

-

100%

FULL STEP

4

3

2

100%

67%

33%

OUT2B

OUT1B

OUT2A

OUT1A

1

2

8

6

4

100%

67%

33%

1

5

7

3

OUT1A

OUT2B

OUT2A

OUT1B

I01

I02

I11

I12

4

3

PHASE1

PHASE2

1

2

I12

I11

I01

I02

8

PHASE1

PHASE2

5

6

7

1

2

3

4