ST STM32WBA65I-DK1 User Manual page 17

The power tree is the following one:
5V_VIN
U19
3V3
U16
5V
U11
U9
Power switch 5 V/3 A
USBC
5V_STLK
5V_VIN
5V_EXT
VBUS_STLK
5V_USB_MCU
UM3462 - Rev 1
Figure 14.
U20
VIN
LDO
12 V max. input
Audio 1.8 V LDO
3.6 V LDO
3.3 V LDO
® protection
U18
JP4
5V
3.3 V LDO
JP4
Power tree
5V_USB_STLK
5V_VIN
5V
VREFP
3V3
1V8
3V6
3V3_STLK
3V3
VDD_MCU
JP2
STM32WBA65RI
UM3462
Hardware layout and configuration
USB_ST_LINK
(CN6)
®
ARDUINO
(CN8-CN11)
Audio codec
(U22)
OLED
(U13)
ST_LINK/V3EC
Joystick
(B1)
Grove connector
(CN12)
Digital microphone
(U21)
OLED
(U13)
MIPI10
(CN14)
TAG
(CN15)
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