UPD168111 datasheet(8/39 Pages) NEC

Part #	UPD168111

Description	MICROSTEP DRIVER FOR DRIVING CAMERA LENS

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Manufacturer	NEC [NEC]

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Data Sheet S15865EJ1V0DS

8

µµµµPD168111

Relationship Between Revolution Angle, Phase Current, and Vector Amount (64 microsteps)

Phase A – Phase Current

Phase B – Phase Current

Vector Amount

Step

Revolution

Angle

MIN.

TYP.

MAX.

MIN.

TYP.

MAX.

TYP.

θ0

0

−

03.8

−

100

−

100

θ1

5.625

2.5

9.8

17.0

94.5

100

104.5

100.48

θ2

11.250

12.4

19.5

26.5

93.2

98.1

103.0

100

θ3

16.875

22.1

29.0

36.1

90.7

95.7

100.7

100.02

θ4

22.500

31.3

38.3

45.3

87.4

92.4

97.4

100.02

θ5

28.125

40.1

47.1

54.1

83.2

88.2

93.2

99.99

θ6

33.750

48.6

55.6

62.6

78.1

83.1

88.1

99.98

θ7

39.375

58.4

63.4

68.4

72.3

77.3

82.3

99.97

θ8

45

65.7

70.7

75.7

65.7

70.7

75.7

99.98

θ9

50.625

72.3

77.3

82.3

58.4

63.4

68.4

99.97

θ10

56.250

78.1

83.1

88.1

48.6

55.6

62.6

99.98

θ11

61.875

83.2

88.2

93.4

40.1

47.1

54.1

99.99

θ12

67.500

87.4

92.4

97.4

31.3

38.3

45.3

100.02

θ13

73.125

90.7

95.7

100.7

22.1

29.0

36.1

100.02

θ14

78.750

93.2

98.1

103.0

12.4

19.5

26.5

100

θ15

84.375

94.5

100

104.5

2.5

9.8

17.0

100.48

θ16

90

−

100

−−

0

3.8

100

The above values are ideal values and do not indicate the actual values.

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