UPD168111A Datasheet, PDF (8/39 Pages) NEC – MICROSTEP DRIVER FOR DRIVING CAMERA LENS

µ PD168111A
Relationship Between Revolution Angle, Phase Current, and Vector Amount (64 microsteps)
Step
θ0
θ1
θ2
θ3
θ4
θ5
θ6
θ7
θ8
θ9
θ10
θ11
θ12
θ13
θ14
θ15
θ16
Revolution
Angle
0
5.625
11.250
16.875
22.500
28.125
33.750
39.375
45
50.625
56.250
61.875
67.500
73.125
78.750
84.375
90
Phase A – Phase Current
MIN.
TYP.
MAX.
−
0
3.8
2.5
9.8
17.0
12.4
19.5
26.5
22.1
29.0
36.1
31.3
38.3
45.3
40.1
47.1
54.1
48.6
55.6
62.6
58.4
63.4
68.4
65.7
70.7
75.7
72.3
77.3
82.3
78.1
83.1
88.1
83.2
88.2
93.4
87.4
92.4
97.4
90.7
95.7
100.7
93.2
98.1
103.0
94.5
100
104.5
−
100
−
Phase B – Phase Current
MIN.
TYP.
MAX.
−
100
−
94.5
100
104.5
93.2
98.1
103.0
90.7
95.7
100.7
87.4
92.4
97.4
83.2
88.2
93.2
78.1
83.1
88.1
72.3
77.3
82.3
65.7
70.7
75.7
58.4
63.4
68.4
48.6
55.6
62.6
40.1
47.1
54.1
31.3
38.3
45.3
22.1
29.0
36.1
12.4
19.5
26.5
2.5
9.8
17.0
−
0
3.8
Vector Amount
TYP.
100
100.48
100
100.02
100.02
99.99
99.98
99.97
99.98
99.97
99.98
99.99
100.02
100.02
100
100.48
100
The above values are ideal values and do not indicate the actual values.
8
Data Sheet D16536EJ1V0DS