11/20

BD68715EFV

TSZ02201-0P2P0B701220-1-2

© 2016 ROHM Co., Ltd. All rights reserved.

10.Jun.2016 Rev.001

www.rohm.com

TSZ22111・15・001

●PARALLEL-IN drive mode

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 & PHASE2

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

HALF STEP A

2

8

6

4

100%

67%

33%

1

5

7

3

OUT1A

OUT2B

OUT2A

OUT1B

100%

67%

33%

-33%

-67%

-100%

100%

67%

33%

-33%

-67%

-100%

100%

67%

33%

-33%

-67%

-100%

100%

67%

33%

-33%

-67%

-100%

I01

I02

I11

④

③

PHASE1

PHASE2

①

②

I12

IOUT(CH1)

IOUT(CH2)

I11

I01

I02

⑧

PHASE1

PHASE2

⑤

⑥

⑦

①

②

③

④

I12

IOUT(CH2)

IOUT(CH1)

FULL STEP

4

3

2

100%

67%

33%

OUT2B

OUT1B

OUT2A

OUT1A

1