STMicroelectronics X-NUCLEO-IHM07M1 User Manual page 13

Figure 13.
L6230 DMOS driver for three-phase brushless DC motor
Power connector
J1
VIN+
2
1
220nF, 16V
CON2
D12
C15
SMBJ48A-TR
100uF, 63V
C11
C13
100nF/100V
100nF/100V
SMBD 7000
CURRENT REF
R21
33K
3V3
R23
10K
CPOUT
10n-N.M.
3V3
GPIO_BEMF
D5 D6
3V3 BAT30KFILM BAT30KFILM
C23
0.1uF/6.3V R36
2.2k
OUT1 BEMF1
R39
BEMF1
10k
X-NUCLEO-IHM07M1 circuit schematic (3 of 4)
U11
L6230PD
C9
33
VSB
4
VSA
30
D1
VBOOT
3 C12 7
VCP
10n 100V
J16
RING
CP+ 13
CP+
CP+
CP- 28
CP-
CPOUT 24
CPOUT
9
C16 IN1
IN1
IN1
100n,6.3V EN1 10
EN1
EN1
R24
39k
C18
BEMF detection - six step
3V3
GPIO_BEMF
GPIO_BEMF
D7 D8
BAT30KFILM BAT30KFILM
R37
2.2k
OUT2
R40
BEMF2
10k
Single/three shunt configuration
CON3 CON3
3Sh 3Sh
1
Vshunt_1
2
SENS1
3
Vshunt_2
1Sh 1Sh
J5 J6
12 SENS1
SENS1
8 SENS2
Vshunt_2
SENS2
25 SENS3
SENS3
1
GND
36
GND
19
GND
18
GND
29 EN3
EN3
EN3
11 IN3
IN3
IN3
27 EN2
EN2
EN2
26 IN2
IN2
IN2
22
DIAG/EN
R25 R26
39k 39k
Motor J2
3V3
GPIO_BEMF
GPIO_BEMF
D9 D10
BAT30KFILM BAT30KFILM
R38
2.2k
OUT3 BEMF3
R41
BEMF3
10k
1
Vshunt_3
2
SENS3
3
Vshunt_2
3V3
R22
10K
DIAG/EN
C17
1nF/6.3V
GPIO_BEMF