AN-9111
APPLICATION NOTE
© 2015 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev. 1.1
• 6/26/15
19
7. Print Circuit Board (PCB) Design
7.1. General Application Circuit Example
Figure 24 shows a general application circuitry of interface schematic with control signals connected directly to a MCU.
Figure 25 shows guidance of PCB layout for the Motion SPM
®
45 LV series.
Fault
+15V
C
BS
C
BS
C
SP15
+5V
R
PF
Motor
V
DC
C
DCS
Gating UH
Gating VH
Gating WL
Gating VL
Gating UL
C
PF
M
C
U
R
SH
Current Sensing
R
S
R
S
R
S
R
S
R
S
R
S
R
BS
D
BS
R
BS
D
BS
LVIC
VFO
VCC
IN(UL)
IN(VL)
IN(WL)
COM
OUT(UL)
OUT(VL)
OUT(WL)
N
W
(5)
U (4)
V (3)
W (2)
P (1)
(21) V
S(W)
(22) V
B(W)
(19) V
S(V)
(20) V
B(V)
(8) V
FO
(11) IN
(WL)
(10) IN
(VL)
(9) IN
(UL)
(12) COM
HVIC
VB(W)
COM
VS(W)
(16) IN
(WH)
(15) IN
(VH)
(17) V
S(U)
(18) V
B(U)
(14) IN
(UH)
OUT(WH)
N
V
(6)
N
U
(7)
VB(V)
VS(V)
VB(U)
VS(U)
VCC
IN(WH)
IN(VH)
IN(UH)
OUT(VH)
OUT(UH)
VS(W)
VS(V)
VS(U)
(13) V
CC
C
BS
R
BS
D
BS
C
PS
C
PS
C
PS
Gating WH
C
PS
C
PS
C
PS
C
BSF
C
BSF
C
BSF
C
SP15F
Figure 24.
General Application Circuitry for Motion SPM 45 LV series
