1 2 3 4 5 6
1 2 3 4 5 6
A
B
C
D
A
B
C
D
Date: 21 aug 2015
KiCad E.D.A. kicad (2015-08-21 BZR 6112)-product
Rev: 4.12Size: A4
Id: 1/7
Title: BLDC Driver 4.11
File: BLDC_4.sch
Sheet: /
Benjamin Vedder
Top level
1
2
3
4
5
6
P1
HALL/Encoder
+5V
C3100n
R5
2k2
C2 100n
1
2
3
K1
SERVO
V_SUPPLY
R4
2k2
R3
39k
1
1
2
2
3
3
4
4
5
5
X1A
MINI-USB-SHIELD-32005-201
+5V
VCC
+5V
100R if used as
servo output
R6
0R
+5V
Mount 0R if used
as USB host
ESD protection?
Power MOSFETS
mosfets.sch
M_H1
M_L1
H1_VS
M_H2
M_L2
H2_VS
H1_LOW
H2_LOW
H3_LOW
H3_VS
M_H3
M_L3
PHASE_1
PHASE_2
PHASE_3
12
3
4
R54
SHUNT
P5
P4
P9
P7
P6
V_SUPPLY
RX_SCL_MOSI
TX_SDA
SCK_ADC_EXT
BLDC motor controller
NTC temp sensor
temp.sch
Temp
CAN bus transceiver
CAN.sch
CAN_RX
CAN_TX
CANH
CANL
Filters
hall_filters.sch
HALL3_IN
HALL2_IN
HALL1_IN
TEMP_IN
HALL3_OUT
HALL2_OUT
HALL1_OUT
TEMP_OUT
R103
22R
R104
22R
Voltage supply (0 - 60v)
Needs external decoupling
caps to avoid high voltage
transients produced by the
inductance of the battery
wiring while switching the FETs
Also critical for EMI/RF compliance
R38
100R
12
D2
RED
R37
100R
12
D1
GREEN
12
D3
LED
R22
2k2
VCC
MCU
STM32F4 64LQFP.sch
USB_DM
USB_DP
SERVO
HALL_1
HALL_2
HALL_3
TEMP_MOTOR
L3
L2
L1
FAULT
H3
H2
H1
SENS3
SENS2
SENS1
BR_SO1
BR_SO2
AN_IN
EN_GATE
DC_CAL
CAN_RX
CAN_TX
LED_RED
LED_GREEN
ADC_TEMP
SCK_ADC_EXT
MISO_ADC_EXT2
RX_SCL_MOSI
TX_SDA_NSS
Mosfet driver
Power.sch
FAULT
DC_CAL
EN_GATE
H1
L1
H2
L2
H3
L3
BR_SO1
BR_SO2
SENS1
SENS2
SENS3
M_H1
M_L1
H1_LOW
M_H2
M_L2
H2_LOW
M_H3
M_L3
H3_LOW
H1_VS
H2_VS
H3_VS
SH1_A
SH1_B
SH2_A
SH2_B
1
2
3
4
P101
CANBUS
+5V
1 2
3
4
R53
SHUNT
Connect signal ground and
power ground in one place only
1
2
3
4
5
6
7
P3
PWR_COMM
MISO_RX_SCL
- 1
- 2
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