To limit overvoltage during motor active braking operation, the use of an external brake resistor is supported,
dissipating the motor avalanche energy. It is suggested to connect two resistors (10 Ω 25 W) in parallel with J4
screw connector.
Figure 4.
Power stage
Motion Control - Power Stage
U
V
W
Vshunt _3_GND
Vshunt _1_GND
Vshunt _2_GND
CRE2512- FZ- R003E- 3
+15Vcc
+Vbus
+Vbus
+Vbus
+15Vcc
3v3
3v3
+Vbus
MC_PWM_TIM1_CH1
MC_PWM_TIM1_CH2
MC_PWM_TIM1_CH3
MC_PWM_TIM1_CH1N
MC_PWM_TIM1_CH2N
MC_PWM_TIM1_CH3N
Vshunt_3
Vshunt_1
Vshunt_2
CIN
MC_BKIN
R21
10k
N.M.
R32
33
C23
1uF
R30
10k
R39 33
R24
10k
N.M.
R20
33
C31
1uF
Q6
STH270N8F7-2
D
4
G
1
S
3
D31
B
A
R
46
F
IL
M
N.M.
R208
10k
C29
100pF
Q3
STH270N8F7-2
D
4
G
1
S
3
R40
10k
N.M.
R37
10k
N.M.
R29
10k
N.M.
D32
B
A
R
46
F
IL
M
N.M.
TP13
5001
Q1
STH270N8F7-2
D
4
G
1
S
3
R209
10k
+
C208
100uF
N.M.
1
2
J3
MOTOR
1
2
3
D38
BAT30KFILM
D36
BAT30KFILM
D33
B
A
R
46
F
IL
M
N.M.
R25
3m
R201
22
R34
3m
R200
22
U28
STDRIVE101
V
S
4
HIN1
7
HIN2
8
HIN3
9
LIN1
10
LIN2
11
LIN3
12
FAULT
6
CP
1
G
N
D
25
GLS3
16
GLS2
20
GLS1
24
OUT3
15
GHS3
14
BOOT3
13
OUT2
19
GHS2
18
BOOT2
17
OUT1
23
GHS1
22
BOOT1
21
DT/MODE
2
SCREF
3
R
E
G
12
5
R41
3m
C21
470nF
C28
100pF
Q4
STH270N8F7-2
D
4
G
1
S
3
C24
1uF
R33
10k
N.M.
R36 33
C30
100pF
C26
100pF
R28
33
C25
100pF
R202
22
R23
33
D34
BAT30KFILM
Q2
STH270N8F7-2
D
4
G
1
S
3
C27
100pF
D39
BAT30KFILM
D35
BAT30KFILM
D37
BAT30KFILM
Q5
STH270N8F7-2
D
4
G
1
S
3
HVG1
LVG1
OUT1
OUT1
OUT3
HVG2
OUT2
LVG2
HVG3
OUT3
LVG3
OUT2
FAULT
UM2807
Motor driver
UM2807
-
Rev 1
page 4/40
