STMicroelectronics Fully integrated stepper motor driver based on the L6472 EVAL6472H EVAL6472H Data Sheet
Product codes
EVAL6472H
EVAL6472H
Board description
Doc ID 022980 Rev 1
5/11
Figure 2.
EVAL6472H schematic
1A 2A
SW
1B 2B
OSCIN
OSCOUT
Applic
a
tion ref
e
rence
V
S
GND
OPTION
S
E
R
/
Y
B
T
S
K
C
T
S
T
U
O
_
I
P
S
N
I
_
I
P
S
Y
S
U
B
G
A
L
F
GND
VDD
VREG
V
S
SW
MISO SDI
CK nCS
FLAG
BUSY
STCK
STBY_RESET
MISO SDO
CK nCS
FLAG
BUSY
SDO
MISO
BUSY
SDI
CK
nCS
SW
ADCIN
SDO
BUSY
FLAG
FLAG
STBY_RESET
STCK
STCK
STBY_RESET
VS
VS
EXT_VDD
EXT_VDD
EXT_VDD
VDD
VREG
VREG
VDD
VREG
VDD
VS
VDD
VDD
VDD
VS
VS
J6
MORSV
-508-2P
1
2
J4
NM
1
2
C10 100pF/6V3
J2
1
2
3
4
5
6
7
8
9
10
J1
MORSV
-508-2P
1 2
TP1
1
DL2
YELLOW
2
1
C6 10nF/50V
D1
BA
V99
1
2
3
JP3
DL1
RED
2
1
C1
220nF/16V
C15
100nF/50V
R9
470
C12 100pF/6V3
TP7
1
TP8
1
C14 10nF/6V3
U1
L6472
VDD
17
VREG
6
OSCIN
7
OSCOUT
8
CP
10
VBOOT
11
ADCIN
5
VSA
2
VSA
26
VSB
12
VSB
16
PGND
13
PGND
27
OUT1A
1
OUT2A
28
OUT1B
14
OUT2B
15
AGND
9
SW
4
DGND
21
BUSY_SYNC
22
FLAG
24
SDO
18
SDI
20
CK
19
CS
23
STBY_RES
3
STCK
25
EPAD
29
TP4
1
C4
100nF/6V3
+
C5 47uF/6V3
C8
100nF/50V
R8 100
R2
200K
1
3
2
+
C3 10uF/6V3
R1 31k6
R5 39k
R7
470
+
C9A 100uF/63V
J5
MORSV
-508-2P
1 2
TP3
1
C13 3.3nF/6V3
D2
BZX585-B3V6
TP5
1
C7
100nF/50V
R6 39k
TP6
1
J3
1
2
3
4
5
6
7
8
9
10
C16
100nF/50V
C1
1
100pF/6V3
JP2
TP2
1
C2
100nF/6V3
R4 39k
J7
NM
1 2
R3 8k2
+
C9
100uF/63V
JP1
AM10295V1