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.
Torque vector
B
<4 steps function>
(1)
(2)
(3)
(4)
AB
AB
100%
Ph1A
Ph1B
Ph2A
Ph2B
(2)
(1)
(4)
L
I0(1),I0(2)
L
I1(1),I1(2)
A
0%
A
100%
Output current 1
(Current of Phase 1)
(3)
A
B
100%
100%
Output current 2
(Current of Phase 2)
100%
B
AB
BA
B
<8 steps function>
B
1
2
3
4
5
6
7
8
AB
AB
Ph1A
Ph1B
Ph2A
100%
70%
Ph2B
I0(1),I0(2)
2
1
7
3
I1(1),I1(2)
4
8
A
0%
A
Output current 1
(Current of Phase 1)
A
5
A
B
6
Output current 2
(Current of Phase 2)
B
AB
BA
AB
A
B
<16 steps function>
B
3
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
Ph1A
Ph1B
Ph2A
AB
100%
70%
4
2
Ph2B
I0(1)
5
1
I1(1)
I0(2)
31%
0%
6
16
15
14
7
I1(2)
A
8
A
9
13
Output current 1
(Current of Phase 1)
10
12
11
B
A
B
Output current 2
(Current of Phase 2)
AB
BA
B
Rev.1.0, Sep.19.2003, page 9 of 12
RENESAS [ RENESAS TECHNOLOGY CORP ]
