BD62220AEFV Datasheet, PDF (10/25 Pages) Rohm – High Performance, High Reliability 36V 2ch DC Brush Motor Drivers

BD62220AEFV
4. Control Sequence of Stepper Motor
The following sequence can control the stepper motor by FULL STEP or HALF STEP mode.
Example of control sequence and torque vector
FULL STEP
①
②
③
④
IN1A
100%
OUT1A
IN1B
IN2A
IN2B
IOUT(CH1)
IOUT(CH2)
100%
-100%
100%
-100%
OUT2B
4
1
3
2
OUT1B
OUT2A
IN1A IN1B IN2A IN2B OUT1A OUT1B OUT2A OUT2B
①
H
L
H
L
H
L
H
L
②
L
H
H
L
L
H
H
L
③
L
H
L
H
L
H
L
H
④
H
L
L
H
H
L
L
H
Figure 7. FULL STEP Control Sequence
HALF STEP
①②③④⑤⑥⑦⑧
IN1A
100%
IN1B
IN2A
IN2B
IOUT(CH1)
IOUT(CH2)
OUT2B
100%
-100%
100%
-100%
OUT1A
1
8
2
7
3
6
4
5
OUT1B
OUT2A
IN1A IN1B IN2A IN2B OUT1A OUT1B OUT2A OUT2B
①
H
L
L
L
H
L
OPEN OPEN
②
H
L
H
L
H
L
H
L
③
L
L
H
L
OPEN OPEN
H
L
④
L
H
H
L
L
H
H
L
⑤
L
H
L
L
L
H
OPEN OPEN
⑥
L
H
L
H
L
H
L
H
⑦
L
L
L
H
OPEN OPEN
L
H
⑧
H
L
L
H
H
L
L
H
Figure 8. HALF STEP Control Sequence
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TSZ22111・15・001
10/21
TSZ02201-0P2P0B301460-1-2
21.Jun.2016 Rev.001