LB11948T Datasheet, PDF (7/12 Pages) Sanyo Semicon Device – Monolithic Digital IC PWM Constant Current Control 1-2 Phase Excitation Stepping Motor Driver

Drive Sequence Table
2 Phase Excitation Drive Sequence
LB11948T
Table 1 Clockwise drive
No.
PHASE1
ENABLE1
OUT1
OUT1−
PHASE2
0
0
0
0
1
0
1
1
0
1
0
0
2
1
0
1
0
1
3
0
0
0
1
1
ENABLE2
0
0
0
0
OUT2
0
0
1
1
OUT2−
1
1
0
0
Table 2 Counterclockwise drive
No.
PHASE1
ENABLE1
OUT1
OUT1−
PHASE2
ENABLE2
OUT2
OUT2−
0
0
0
0
1
1
0
1
0
1
1
0
1
0
1
0
1
0
2
1
0
1
0
0
0
0
1
3
0
0
0
1
0
0
0
1
1-2 Phase Excitation Drive Sequence
Table 3 Clockwise drive
No.
PHASE1
ENABLE1
OUT1
OUT1−
PHASE2
0
0
0
0
1
0
1
0
0
0
1
0
2
1
1
OFF
OFF
0
3
1
0
1
0
0
4
1
0
1
0
1
5
1
0
1
0
1
6
0
1
OFF
OFF
1
7
0
0
0
1
1
ENABLE2
1
0
0
0
1
0
0
0
OUT2
OFF
0
0
0
OFF
1
1
1
OUT2−
OFF
1
1
1
OFF
0
0
0
Table 4 Counterclockwise drive
No.
PHASE1
ENABLE1
OUT1
OUT1−
PHASE2
ENABLE2
OUT2
OUT2−
0
0
0
0
1
1
1
OFF
OFF
1
0
0
0
1
1
0
1
0
2
1
1
OFF
OFF
1
0
1
0
3
1
0
1
0
1
0
1
0
4
1
0
1
0
0
1
OFF
OFF
5
1
0
1
0
0
0
0
1
6
0
1
OFF
OFF
0
0
0
1
7
0
0
0
1
0
0
0
1
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