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L6258EX 数据表(PDF) 27 Page - STMicroelectronics

部件名 L6258EX
功能描述  PWM controlled high current DMOS universal motor driver
PDF  32 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6258EX 数据表(HTML) 27 Page - STMicroelectronics

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L6258EX
Operation mode time diagrams
27/32
5
Operation mode time diagrams
Figure 12.
Full step operation mode timing diagram
(Phase - DAC input and motor current)
Ph2
FULL Step Vector
0
23
1
0
3
2
1
0
Position
DAC 2
Inputs
0
Motor drive
Current 2
0
Motor drive
Current 1
I3_2
I2_2
I1_2
I3_1
0
0
5V
0
5V
0
5V
0
5V
0
5V
0
5V
0
5V
0
5V
0
5V
DAC 1
Inputs
Phase
2
Phase
1
I0_2
I2_1
I1_1
I0_1
0
3
2
1
Ph1
Ph2
Ph1
D97IN629A
95.2%
19.1%
95.2%
19.1%
I3
I2
I1
I0
Current
level% of IMAX
000
0
100
000
1
98.4
001
0
95.2
001
1
92.1
010
0
88.9
010
1
82.5
011
0
77.8
011
1
71.4
100
0
63.5
100
1
55.6
101
0
47.6
101
1
38.1
110
0
28.6
110
1
19.1
111
0
9.5
1
1
1
1
No Current



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