STEVAL-STRKT01 Schematic diagrams version 1 | sheet 3
Figure 5: STEVAL-STRKT01 circuit schematic (5 of 7)
C3
BATSNSFV
-Connect as
CEN : Charger
enable pin.
close as
possible to
the battery
positive
terminal
Active high. 500
kO internal
pull-up
(to LDO)
CHG :
Charging/fault
flag. Active low
(open drain
output)
WAKE-UP :
Shipping mode
exit input pin.
Active high. 50
kO internal
pull-down
SW_SEL: Load
switch selection
input (refer to
Battery charger
C2
nRESET
0 NM
B1
nCHG
STBC02_SW2_OA
TP409
STBC02_SW1_OA
SMD 0201
L401
EN
BAT2
STBC02_BATMS
STBC02_WKUP2MCU
D1
A1
SMD 0201
R4350
SENS_VDD
smc0603
C4
BATMS
B3
Wake-up
0
BATSNS ND
R410
1M
TP418
STBC02_SYS
D403
SENS_VDD
SMD 0201
C400
10uF
SMD 0201
STBC02_BAT
B4
GND
A3
TP405
SMD 0201
L406
TP420
R408
STBC02_BATMS
STBC02_RESET_NOW
SML0402
1Kohm @ 100 MHz
0 NM
0
VOUT
VDD_BUCK
ESDALC6V1-1U2
C411
100nF
D_VDD
D1
ISET
R428
D401
C
TP406
2K
R407
ST1PS01EJR buck converter
NC2
D3
for low charging current ,5mA see pag 19
STBC02 Li-Ion battery charger with LDO
SMD 0201
R416
100K
STBC02_BAT
MEM_VDD
TP421
U401
SMD 0201
0
R432
STUSB1600_VDD
LORA_VDD
VDD_LDO
STBC02_NTC
STBC02_RESET_NOW
SW
C3
ST1PS01GOOD
D0
C404
10uF
ZENER_3V07
C401
10µF
C1
SW_SEL
C402
SMD 0201
R401
TP408
E4
SW1_OA
STUSB1600_VDD
to select 3.3V output
Rpre=200/IpreRset=200/Ifast
STBC02_BATMS_adc
STBC02_NTC
D_VDD
LIV3_VDD
SMD 0201
LIV3_VDD
E3
SW1_OB
E2
SW2_I
STBC02_SW1_OA
C412
100nF
A2
BATSNSFV
CEN
STBC02_SYS
STBC02_SW1_OB
SW400
STBC02_CEN
VIN
MEM_VDD
A5
BAT1
D2
WAKE-UP
3.0 V
150 mA (max)
SMD 0201
R424
150
F2
TP416
LIV3_VDD
F3
SMD 0201
0
TP417
R418
100K
D5
LDO
F4
SMD 0201
R422
27K
LDO level)
20K
STBC02_nCHG
D4
E3
GND
D2
STBC02_RST_PENDING
A
SYS2
VDD_BUCK
VBAT
4.7uF
R4340
TP412
R4300
GND
SMD 0603
A3
0 NM
R414
1
NC1
R425
33K
TP404
R427
0 NM
2
SW2_OA
F1
MEM_VDD
NTC
SMD 0201
A1
RESET_NOWSW1_I
TP415
TP407
TP411
TP419
R413
LORA_VDD
IN1
STBC02_SW_SEL
B5
SYS1
C5
TP413
SMD 0201
0
R406
ST1PS01EJR
STBC02_nCHG
LED (Red)
C403
1uF
R411
D402
R412
R429
R419
10K NM
TP410
STBC02_SW1_OB
STBC02_WAKE-UP
STBC02_SW2_OB
SMD 0201
R423
56K
E1
STBC02_SW2_OA
STBC02_nCHG2MCU
LORA_VDD
D_VDD
STUSB1600_VDD
SML0201
470 Ohms @ 100MHz
R4330
L403
BATSNS
STBC02_WKUP2MCU
STBC02
U400
B2
590
F5
AGND
STBC02_RST_PENDING
STBC02_nRESET
VDD_LDO
R409
STBC02_nRESET
USB_5V
C1
STBC02_SW2_OB
0
D_VDD
2.2uH
STBC02_WAKE-UP
smc0603
Switch 90
2
B2
RST_PENDING
SMD 0201
VDD1
SENS_VDD
STBC02_WAKE-UP
SMD 0201
R421
10K NM
1
GND
D_VDD
E5
IN2
A4
IPRE
STBC02_CEN
SW2_OB
VDD1
SMD 0402
PGOOD
E1
SMD 0201
Figure 6: STEVAL-STRKT01 circuit schematic (6 of 7)
R520
10K
VBUS4
B8
2
D505
7
22
23
STUSB1600
N.A.
U500
D_VDD
SPI2_SCK/I2S2_CK/PB13
PB6-STUSB1600_INT
SD
A
8
MOUSER
7
6
5
2
1
CN500
0
PWR_NTC
1
2
3
5
SWD_SWCLK4
R51710K
3
GND
B7
ST
U
SB
16
00
_A
LE
R
T
LED_User
CN503
ESDALC6V1-1U2
D_VDD
STUSB1600_VDD
SMD 0201
R519
10K
SMD 0201
TP504
D-2
B6
GND
21K
Battery connector
Buttons and LEDs
6
0201
DM
DP
C500
NC
SMD 0805
VBUS1
CC1
A5
2
TX1+
SPI2_MISO/I2S2_MCK/PB14
VBUS_USB
SWD_SWDIO
R513 0 NM
SPI2_MISO/I2S2_MCK/PB14
A2
STL4P3LLH6
CC2DB
6
10
A7
SMD 0201
C504
B2
VR
EG
_2
V7
VD
D
24
SWD_SWDIO
MCU_WKUP
SI
N
K_
EN
ST
U
SB
16
00
_A
TT
AC
H
GND
LED_User
3
2
1
8
SMD 0201
0
R511
A6
GND
D-1
ESDA7P60-1U1M
R512 0
B6
ST1600_I2C_SDA
RX1-
B9
1
8
2.5
5m
A
VR
EG
_1
V2
VS
YS
RS: 700-0824P
ESDALC5-1BF4
VBUS_USB
GND4
B11
RESET
A10
STUSB1600_VDD
GND
Q500
SPI2_MOSI/I2S2_SD/PB15
CC1DB
2
CC1
D+2
B5
1µF
1
0
R508
SMD
GND
MCU_WKUP
SMD 0201
GND
SMD 0201
1
ESDAULC5-1BF4
TP505
2
J501
SWD
SPI2_SCK/I2S2_CK/PB13
D503
B12
USB TYPE-C
AT
TA
C
H
SMT 3W 1.2 mm pitch
Molex 78171-0003
GND
C
1
10
25
Exposed
R505
D+1
A6
SPI2_NSS/I2S2_WS/PB12
UART_RX
VBUS_USB
ESDAULC5-1BF4
R506
10K
GND
STUSB1600
1
ST1600_I2C_SDAUART_TX
PB6-STUSB1600_INT
UART_TX
nRESET
UART_RX
D_VDD
PB6-STUSB1600_INT
TX1-
2
SMD 0201
R500
100
SMD
STL4P3LLH6
GND
GND
0
R521
USBD1
SMD 0201
C502
100nF
C507
5
B7
7
6
5
2
1
DEBUG1
13
14
LED (white)
D501
20
VB
U
S_
EN
_S
R
C
21
1
LED_User
STUSB1600_VDD
A3
A4
2
SPI2_MOSI/I2S2_SD/PB15
GND
ST1600_I2C_SDA
RX2-
Switch
TP503
3
SWD/JTAG NM
VDD_USB_TYPEC
1
2
3
4
5
6
7
8
9
1
R518
10K
SWD_SWCLK
3
16
GND
CC2
B4
ADC2/PA2/LIV3PPS
VBUS_USB
A_B_SIDE
DEBUG2
VBUS_SENSE
17
D509
PA4-STUSB1600_RST
Q501
220nF NM
R501
10K
D_VDD
3
D507
2
SMD 0201
R507
0 NM
VBUS3
B3
SMD 0201
TP502
Test point/not assembled
R5150
J500
4
0201
VB
U
S_
EN
_S
N
K
1
SBU2
B7
9
STUSB1600_VDD
4
SBU1
A8
ST1600_I2C_SCK
4
ESDA7P120-1U1M
LIV3_WAKEUP/USART1_CK
STUSB1600_RESET
Button_User
1µF
1
B6
8
VBAT
SWD_SWCLK
TX2+
B1
TX2-
10uF
VCONN
CC2
4
ESDALC5-1BF4
R51610K
CN502
D500
D508
19
SMD 0201
1µF
AL
ER
T#
G
N
D
A6
GND3
GND1
SW500
VBAT
VBUS2
nRESET
ST1600_I2C_SCKUART_RX
STUSB1600_I2C_SDA
USB_DM
D504
RX2+
1
VDD_USB_TYPEC
SMD 0201
1
2
3
4
5
0
R510
PWR_NTC
UART_TX
A7
GND
C503
ADDR0
2
MOUSER
RX1+
B10
11
VB
U
S_
ER
R
O
R
12
GND
SMD 0201
R514
0 NM
A1
A12
USB TYPE-C
18
SWD_SWDIO
GND
SINK_EN
SPI2_NSS/I2S2_WS/PB12
15
C505
nRESET
A7
SMD 0201
C501
47µF
STUSB1600_VDD
D_VDD
SC
L
7
Button_User
GND
STUSB1600_I2C_SCK
2
USBD0
ST1600_I2C_SCK
USB_5V
LED_User
2
A
USB_DP
CN501
A11
GND2
A9
9
GND
10K
1
5
R504
SMD 0201
BATT+
Test point/not assembled
Test point/not assembled
Test point/not assembled
STUSB1600_VDD
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