ST STM32U5

Figure 3. STM32U575xQ and STM32U585xQ power supply overview (with SMPS)
DT63604V2
USB transceiver
Core
SRAM1
SRAM2
SRAM3
SRAM4
Digital
peripherals
V
DDA
domain
Backup domain
Standby circuitry
(Wake-up logic, IWDG)
LDO regulator
Low-voltage detector
I/O ring
V
CORE
domain
Temperature sensor
Reset block
3 x PLL
Internal RC oscillators
Flash memory
VDDUSB
VDDIO2
V
DDIO1
I/O ring
PG[15:2]
V
DDIO2
VDDA
VSSA
VSS
VSS
V
DDIO2
domain
V
DD
domain
V
CORE
VSS
VDD
VBAT
2x VDD11
SMPS regulator
Voltage regulator
VLXSMPS
VDDSMPS
VSSSMPS
2 x A/D converters
2 x comparators
2 x D/A converters
2 x operational amplifiers
Voltage reference buffer
V
SW
LSE crystal 32kHz oscillator
Backup registers
RCC_BDCR register
RTC
TAMP
BKPSRAM
AN5373
Power supplies
AN5373 - Rev 6
page 7/47