Datasheet

LMD18245
SNVS110E –APRIL 1998–REVISED APRIL 2013 www.ti.com
Table 3. Lookup Table for Quarter Step Drive with Torque Compensation
(1)
α |cos(α)| D A DIRECTION A |sin(α)| D B DIRECTION B
| 0.0° 1 15 1 0 0 1
FORWARD 22.5° 0.924 14 1 0.383 6 1
↓ 45.0° 0.707 11 1 0.707 11 1
67.5° 0.383 6 1 0.924 14 1
90.0° 0 0 0 1 15 1
112.5° 0.383 6 0 0.924 14 1
135.0° 0.707 11 0 0.707 11 1
157.5° 0.924 14 0 0.383 6 1
180.0° 1 15 0 0 0 0
202.5° 0.924 14 0 0.383 6 0
225.0° 0.707 11 0 0.707 11 0
247.5° 0.383 6 0 0.924 14 0
270.0° 0 0 1 1 15 0
↑ 292.5° 0.383 6 1 0.924 14 0
REVERSE 315.0° 0.707 11 1 0.707 11 0
| 337.5° 0.924 14 1 0.383 6 0
REPEAT
(1) BRAKE A = BRAKE B = 0
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