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E-L6258EX View Datasheet(PDF) - STMicroelectronics

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E-L6258EX Datasheet PDF : 32 Pages
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Operation mode time diagrams
Figure 13. Half step operation mode timing diagram
(Phase - DAC input and motor current)
L6258EX
Phase 1
Phase 2
01234567
5V
0
5V
0
DAC 1
Inputs
DAC 2
Inputs
5V
I0_1 0
I1_1
5V
0
5V
I2_1 0
5V
I3_1 0
5V
I0_2 0
I1_2
5V
0
5V
I2_2 0
5V
I3_2 0
100%
71.4%
0
Motor drive
Current 1
-71.4%
-100%
100%
71.4%
Motor drive
Current 2 0
-71.4%
-100%
Half Step Vector
Ph1
2
3
1
Ph2 4
0 Ph2
5
7
6
Ph1
D97IN627C
I3
I2
I1
I0
Current
level% of IMAX
0000
100
0001
98.4
0010
95.2
0011
92.1
0100
88.9
0101
82.5
0110
77.8
0111
71.4
1000
63.5
1001
55.6
1010
47.6
1011
38.1
1100
28.6
1101
19.1
1110
9.5
1 1 1 1 No Current
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