6
Schematic diagrams
Figure 64.
STDES-PFCBIDIR schematic diagram - control board
+3.3V_iso
USART_TX
USART_RX
CAN_TX
CAN_RX
-Refer to datasheet for PCB orientation of the LED1
-Solder a 22µF / 10V electrolytic capacitor in parallel to C133
-32A-28A | 31A-27A | 30A-26A of P1 connector must be shorted.
SMBus_SCL
SMBus_SMBA
SMBus_SDA
FAULT_1
GPIO_1/COMP_3_OUT/GP_PWM_1/EEV_4
GPIO_3/COMP_1_OUT/FAULT_2
GPIO_9/EEV_3
A_VDD
VDD_3.3V
VDD_3.3V
VDD_3.3V
VDD_3.3V
VDD_3.3V_INT
VDD_5V_INT
GND_iso
GND
GND
AGND
AGND
AGND
AGND
AGND
AGND
VDD_3.3V
AGND
AGND
AGND
VDD_3.3V
AVDD_3.3V
AVDD_3.3V
VDD_5V_USB
VDD_5V
VDD_5V_USB
VDD_5V_EXT
VDD_5V_INT
VDD_3.3V_REG
VDD_5V
VDD_3.3V_INT
VDD_3.3V
VDD_3.3V_REG
VDD_3.3V
VDD_5V
VDD_5V
VDD_5V
VDD_5V
VDD_5V
VDD_5V
VDD_5V
VDD_5V
VDD_5V
VDD_5V
VDD_5V
VDD_5V
VDD_5V
VDD_5V
VDD_5V
VDD_5V
AGND
AGND
VDD_3.3V
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AVDD_3.3V
AVDD_3.3V
VDD_3.3V
VDD_3.3V
VDD_3.3V
FAN
RLY_C
RLY_B
RLY_A
VlineC.S
VlineB.S
VlineA.S
Iout
V_bus_up
V_bus_down
IinA
IinB
IinC
TEMP
OCP_A
IinC
M
Ii
.
nB
OCP_B
IinA
OCP_C
I_DC
OCP_DC
IinC
AC_FAULT
IinB
IinA
IinA
IinB
IinC
INRUSH_RELAY
AC_FAULT
INRUSH_RELAY
OCP_C
OCP_B
OCP_A
OCP_DC
VgridC.S
VgridB.S
R7
VgridA.S
N.M.
R13
10k
C22
100pF/50V
D5
GREEN
R54
N.M.
C15
2.2nF/50V
R61
N.M.
R9
N.M.
0
R134
R52
N.M.
R27
N.M.
C36
100nF/16V
D10
1
2
SMAJ5.0A-TR
TP12
TestPoint
TP26
TestPoint
C47
1uF/25V
S1
1
4
FSM4JSMA
2
3
R20
N.M.
R60
N.M.
R16
10k
1k
R131
TP1
TestPoint
TP24
TestPoint
R53 1k
TP18
TestPoint
R47
N.M.
C6
100nF/16V
R125
10k
R58 N.M.
C2
1uF/25V
C5
2.2nF/50V
R39
1k
C45
100nF/16V
C59
100nF/16V
C53
100nF/16V
C43
100pF/50V
C138
2.2nF/50V
C38
2 of 2
100pF/50V
U23A
15
VSS1
STM32G474RET3
27
VSSA
28
1
VREF+
VBAT
29
VDDA
31
VSS2
16
VDD1
32
VDD2
48
VDD3
47
VSS3
63
VSS4
64
VDD4
R6
N.M.
R33
N.M.
USB2
V
1
microUSB
2
D-
3
D+
5
GND
D
4
M
1
6
M
2
7
M
3
8
M
4
9
J2
1
UART1
2
3
4
C140
100pF/50V
D7
RED
C
5
0
1
u
F
/2
5
V
R28 N.
R56
1k
R128
10k
1 of 2
U23B
12
STM32G474RET3
PA0
13
PA1
14
PA2
17
PA3
18
PA4
19
PA5
20
PA6
21
PA7
42
PA8
43
PA9
44
PA10
45
PA11
46
PA12
49
PA13
50
PA14
51
PA15
24
PB0
25
PB1
26
PB2
56
PB3
57
PB4
58
PB5
59
PB6
60
PB7
61
62
PB8-BOOT0
PB9
30
PB10
33
PB11
34
PB12
35
PB13
36
PB14
37
8
PB15
PC0
9
PC1
10
PC2
11
PC3
22
PC4
23
PC5
38
PC6
39
PC7
40
PC8
41
PC9
52
PC10
53
PC11
54
2
PC12
3
PC13
4
PC14-OSC32_IN
55
PD2
5
PC15-OSC32_OUT
6
PF0-OSC_IN
7
PF1-OSC_OUT
PG10-NRST
D3
1
2
SMAJ5.0A-TR
C55
100nF/16V
TP15
TP5
TestPoint
TestPoint
R14
N.M.
R55
N.M.
C18
470nF/50V
JP7
3JP_pcb
R62
N.M.
+
-
U9B
5
6
TSV912IDT
7
C14
100pF/50V
D13
GREEN
C28
100nF/16V
R21
N.M.
C3
100nF/16V
R19
10k
+
-
V+
V-
U5A
3
2
TSV912IDT
1
8
4
D4
GREEN
C23
2.2nF/50V
L1
WE-CBF
TP9
TestPoint
C21
100pF/50V
R42
N.M.
TP2
TestPoint
R25
N.M.
C11
100pF/50V
R41
N.M.
+
-
V+
V-
U10A
3
2
TSV912IDT
1
8
4
R22
N.M.
R133
1k
C7
100nF/16V
R46
1k
C
5
2
1
0
0
n
F
/1
6
V
D12
GREEN
P1
1B
1B
2A
2A
2B
2B
Digital Power Connector
3B
3B
4A
4A
4B
4B
5A
5A
5B
5B
6A
6A
6B
6B
7B
7B
8A
8A
8B
8B
9A
9A
9B
9B
10A
10A
10B
10B
11A
11A
11B
11B
12A
12A
12B
12B
13A
13A
13B
13B
14A
14A
14B
14B
15A
15A
15B
15B
16A
16A
16B
16B
17A
17A
17B
17B
18A
18A
18B
18B
19A
19A
19B
19B
20A
20A
20B
20B
21A
21A
21B
21B
22A
22A
22B
22B
23A
23A
23B
23B
24A
24A
24B
24B
25A
25A
25B
25B
7A
7A
1A
1A
26B
26B
29B
29B
27B
27B
28B
28B
30B
30B
26A
26A
27A
27A
28A
28A
29A
29A
30A
30A
32A
32A
31B
31B
32B
32B
31A
31A
3A
3A
C12
100pF/50V
LED1
1
C1
SMTL4-SBC
2
A1
3
C2
4
A2
R130
10k
0
R30
0
R135
R34
N.M.
R38
N.M.
TP11
TestPoint
C37
+
-
100nF/16V
U6B
5
6
TSV912IDT
7
C27
1uF/25V
0
0
F5
1
2
30Ohm@100MHz
C133
10uF/25V
TP8
R2
TestPoint
10k
CN56
1
VDD
2
Jtag_SWD_Adapter
SWDIO
4
SWCLK
9
GND
RST
10
JP1
3JP_pcb
TP16
TestPoint
R44
10k
R50
1k
C
4
9
1
0
0
n
F
/1
6
V
C31
+
-
100pF/50V
U2B
5
6
TSV912IDT
7
0
F3
1
2
30Ohm@100MHz
TP3
0
TestPoint
F4
1
2
30Ohm@100MHz
TP21
TestPoint
R43
N.M.
C61
100nF/16V
R10
10k
D15
GREEN
J1
i2C
1
2
3
4
R49
N.M.
JP2
1
3
STRIP_2X3
5
2
4
6
C137
2.2nF/50V
R59
N.M.
C20
100pF/50V
R17
1k
TP10
+
-
TestPoint
V+
V-
U9A
3
2
TSV912IDT
1
8
4
0
R127
0
R126
TP19
TestPoint
C29
2.2nF/50V
TP7
TestPoint
C1
2.2nF/50V
R36
N.M.
R12
N.M.
C33
100pF/50V
D9
GREEN
C62
100nF/16V
U22
1
ESDAL
2
3
C32
100pF/50V
R51 1k
TP4
U3
TestPoint
1
VIN
LD29080S33R
3
VOUT
2
G
N
D
C40
100pF/50V
C42
100pF/50V
R24
N.M.
C139
2.2nF/50V
TP14
TestPoint
C
1
3
4
1
0
0
n
F
/1
6
V
0
F1
1
2
30Ohm@100MHz
C34
100nF/16V
C66
100nF/16V
C30
100pF/50V
C65
+
-
100nF/16V
V+
V-
U6A
3
2
TSV912IDT
1
8
4
TP20
TestPoint
R129
10k
R8 10k
D2
GREEN
J3
1
UART2
2
3
4
TP27
TestPoint
C10
2.2nF/50V
TP22
R45
TestPoint
1k
TP25
TestPoint
C
5
1
1
0
0
n
F
/1
6
V
R48
N.M.
0
R23
C58
1uF/25V
TP6
TestPoint
R26
N.M.
C35
1uF/25V
R57
N.M.
R4
10k
+
-
V+
U2A
V-
TS
3
2
V912IDT
1
8
4
C48
100nF/16V
0
R35
R29
N.M.
+
-
U5B
5
6
TSV912IDT
7
0
F2
1
2
30Ohm@100MHz
R15
N.M.
R40
N.M.
R31
N.M.
C13
100pF/50V
TP13
TestPoint
C64
+
-
1uF/25V
U10B
5
6
TSV912IDT
7
TP17
R5
TestPoint
10k
S2
1
4
FSM4JSMA
2
3
C24
100pF/50V
C135
220nF/50V
RLY_A
RLY_B
RLY_C
FAN
TA_HS
HRTIM1_CHA1
TA_LS
TA_AS
TB_HS
TB_LS
TB_AS
TC_HS
TC_LS
TA_DS
TB_DS
TC_DS
TA_AS
TA_DS
TA_HS
TB_LS
TC_DS
TB_AS
TB_HS
TC_AS
TC_HS
USR_BTN
TEMP
Iout_uC
Iout
IB+_uC
IA+_uC
V_bus_up_uC
V_bus_down_uC
V_bus_down
V_bus_up
IC+_uC
USART2_TX
USART2_RX
T_NRST
STATUS_LED
T_NRST
T_SWDIO
T_SWCLK
T_NRST
T_SWCLK
T_SWDIO
VgridA.S
VgridA.S_uC
VgridB.S
VgridB.S_uC
VgridC.S
VgridC.S_uC
TA_LS
TB_DS
TC_LS
LED_1
LED_2
IC+_uC
Iout_uC
V_bus_up_uC
V_bus_down_uC
VgridC.S_uC
TEMP_uC
IA+_uC
IB+_uC
VgridA.S_uC
VgridB.S_uC
T_SWDIO
USART2_RX
T_SWCLK
USART2_TX
T_NRST
i2C_SDA
i2C_SCL
USR_BTN
FAN
DAC1
DAC2
DAC3
RLY_B
RLY_C
RLY_A
HRTIM1_CHC1
HRTIM1_CHC2
HRTIM1_CHD1
HRTIM1_CHD2
HRTIM1_CHF2
HRTIM1_CHF1
HRTIM1_CHF1
HRTIM1_CHE1
HRTIM1_CHE2
HRTIM1_CHA1
HRTIM1_CHA2
HRTIM1_CHB1
HRTIM1_CHB2
HRTIM1_CHB1
HRTIM1_CHB2
HRTIM1_CHA2
HRTIM1_CHC2
TC_AS
HRTIM1_CHC1
HRTIM1_CHD2
HRTIM1_CHD1
HRTIM1_CHE2
HRTIM1_CHE1
HRTIM1_CHF2
LED_2
LED_1
STATUS_LED
USART3_TX
USART3_RX
USART3_TX
USART3_RX
DAC1
DAC2
DAC3
TEMP_uC
i2C_SCL
i2C_SDA
UART TTL ( 3, 3V)
ESDALC6V1- 1M2
ESDA7P60-1U1M replaced with SMAJ5.0A-TR per package
VDD = 1.71 V to 3.6 V pag6 AN5093
UART TTL ( 3, 3V)
I 2C TTL ( 3, 3V)
UM2979
-
Rev 1
page 36/70
UM2979
Schematic diagrams