Figure 10. Stm32Wl Nucleo-64 Board Power Tree - ST NUCLEO-WL55JC STM32WL User Manual

5V_USB_CHGR
STD_ALONE_5V
UM2592 - Rev 1
Figure 10. STM32WL Nucleo-64 board power tree
U8
5V_VIN
LDO
LD1117S50TR
SB25 (not fitted)
3V3
SB29 (fitted)
VDD_MCU
5V_USB_CHGR
U7
5V_VIN
LDO
LD3985M33R
E5V
U5
Power switch 5V/0.5A
JP7
STMPS2151STR
ON
U2
JP4
5V_USB_STLK
5V
LD39050PU33R
5V_VIN
E5V
5V_USB_CHGR
VDD_MCU
JP1
ON
3V3
SB32
(ON)
5V_USB_CHGR
5V_VIN
5V
VIN
AVDD
3V3
IOREF
E5V
VBAT
VDD_MCU
3V3_STLK
5V_PWR
3V3
3V3
LDO
3V3
VDD_RF
SB28
(ON)
VDD_SYS
SB27
(ON)
VDD_SYS
VBAT
SB21
(ON)
VDD_SYS
SB24
(ON)
AVDD
SB26
(ON)
VDD_APP
UM2592
Power supply
STLINK-V3E USB connector (CN1)
CN7
Arduino Uno
1
10
Connectors
1
CN5
&
CN6
morpho
1
8 8
headers
1
CN9
CN8
6 1
37
DFU connector (CN2)
STM32F723IEK
(STLINK-V3E)
&
bicolor led LED6 (COM)
MIPI10
connector (CN16)
(VDD_RF)
(VDD_SYS)
MCU STM32WL
(VBAT)
(VREF+)
(PB0_VDD_TCXO)
TCXO
RF front-end
RF part
page 16/49
CN10
2
38