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L6258 Datasheet(PDF) 15 Page - STMicroelectronics

Part # L6258
Description  PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER
PDF  18 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6258 Datasheet(HTML) 15 Page - STMicroelectronics

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Ph2
Half Step Vector
0
7
46
5
2
13
0
67
45
13
2
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
2
1
0
7
6
5
4
3
Ph1
Ph2
Ph1
D97IN627B
95.2%
19.1%
95.2%
19.1%
Figure 6: Half step operation mode timing diagram (Phase - DAC input and Motor Current)
I3
I2
I1
I0
Current level
% of IMAX
00
00
100
00
01
98.4
00
10
95.2
00
11
92.1
01
00
88.9
01
01
82.5
01
10
77.8
01
11
71.4
10
00
63.5
10
01
55.6
10
10
47.6
10
11
38.1
11
00
28.6
11
01
19.1
11
10
9.5
1
1
1
1
No Current
L6258
15/18



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