µPD168112
OUTPUT TIMING CHART
Two-phase Excitation Output Mode
100 %
Phase A current
1-2 Phase Excitation Output Mode
100 %
70 %
Phase A current
−70 %
−100 %
−100 %
0
1
2
3
4
5
6
7
8
Phase B current
0
1
2
3
4
5
6
7
8
Phase B current
100 %
100 %
70 %
−70 %
−100 %
−100 %
0
1
2
3
4
5
6
7
8
0
1
2
3
4
5
6
7
8
The horizontal axis of the above charts indicates the number of steps. The above charts show an example in the
CW (forward) mode.
The current flowing into phases A and B is positive in the direction from OUT pin A to OUT pin B, and negative in
the direction from OUT pin B to OUT pin A.
10
Data Sheet S15866EJ1V0DS