Figure 5.
Sensing network
3v3
3v3
3v3
3v3
3v3
3v3
3v3
3v3
3v3
3v3
3v3
3v3
Vshunt_1
Vshunt_1
Vshunt_2
Vshunt_2
Vshunt_3
Vshunt_3
CURR_FDBK1
CURR_FDBK1
CURR_FDBK2
CURR_FDBK2
CURR_FDBK3
CURR_FDBK3
R7
13k
R7
13k
C16
180pF
C16
180pF
C13
100nF
C13
100nF
R13
1.96k
R13
1.96k
R18
22k
R18
22k
C19
16pF
C19
16pF
R15
536
R15
536
-
+
-
+
U4
TSV991ILT
U4
TSV991ILT
3
3
4
4
1
1
55
22
R9
1.96k
R9
1.96k
R16
22k
R16
22k
C17
16pF
C17
16pF
-
+
-
+
U23
TSV991ILT
U23
TSV991ILT
3
3
4
4
1
1
55
22
C18
180pF
C18
180pF
-
+
-
+
U22
TSV991ILT
U22
TSV991ILT
3
3
4
4
1
1
55
22
R12
536
R12
536
C15
180pF
C15
180pF
R10
22k
R10
22k
C20
16pF
C20
16pF
R11
13k
R11
13k
C14
4.7uF
C14
4.7uF
R8
536
R8
536
C133
4.7uF
C133
4.7uF
C135
4.7uF
C135
4.7uF
R14
13k
R14
13k
R17
1.96k
R17
1.96k
C132
100nF
C132
100nF
C134
100nF
C134
100nF
Motion Control - Current Sensing External op-amp
Vshunt_2Vshunt_2_GND
Vshunt_3_GND
Figure 6.
Braking network
+Vbus
3v3
3v3
+Vbus
+15Vcc
3v3
3v3
TEMPERATURE MEAS
Vshunt_1
Vshunt_2
VBUS_MEAS
Vshunt_3
CIN
MC_BRAKE
R46
2.2k
R162
4.7k
R44
2.2k
J4
Con2
1
2
D9
BAT30KFILM
t
R43
10K
R42
169k
R50
10k
Q7
STH270N8F7-2
D
4
G
1
S
3
C34
10nF
C35
4.7nF
R45
2.2k
R48
9.31k
R47
4.7k
Q8
STL6N3LLH6
1
2
3
4
5
6
7
8
R49
4.7k
C36
4.7nF
Bus Voltage Sensing
Temperature Sensor
Over Current Protection
Brake Motor Network for over voltage
energy dissipation
External
Brake
Resistor
UM2807
Motor driver
UM2807
-
Rev 1
page 5/40