M54679FP Renesas Electronics Corporation., M54679FP Datasheet - Page 9

• Manufacturer Part Number: M54679FP
• Description: 2-phase Stepper Motor Driver
• Manufacturer: Renesas Electronics Corporation.

M54679FP
12. Output current timing chart under Ph inputs and I0, I1 output conditions.
Under output current wave forms show the current that a motor driver is going to control, so these do not show the
actual current wave forms.
Rev.1.0, Sep.19.2003, page 9 of 12
Output current 1
(Current of Phase 1)
Output current 2
(Current of Phase 2)
Output current 1
(Current of Phase 1)
Output current 2
(Current of Phase 2)
Output current 1
(Current of Phase 1)
Output current 2
(Current of Phase 2)
<4 steps function>
<8 steps function>
<16 steps function>
I0(1),I0(2)
I1(1),I1(2)
I0(1),I0(2)
I1(1),I1(2)
Ph1A
Ph1B
Ph2A
Ph2B
Ph1A
Ph1B
Ph2A
Ph2B
Ph1A
Ph1B
Ph2A
Ph2B
I0(1)
I1(1)
I0(2)
I1(2)
L
L
1
1
2
(1)
3
2
4
100%
5
3
6
(2)
100%
7
4
8
100%
9
5
10
(3)
11
6
12
100%
13 14 15 16
7
(4)
8
100%
A
A
B
B
A
A
B
B
A
A
B
B
100%
100%
0%
70%
31%
70%
0%
0%
AB
AB
A
A
AB
AB
AB
AB
7
6
8
(2)
(3)
4
5
9
Torque vector
5
10
3
4
B
B
11
B
B
2
6
B
B
3
12
2
(1)
(4)
7
1
13
1
8
16
14
15
BA
AB
AB
BA
AB
BA
A
A
A