ST STM32U5 Getting Started

Figure 7. Power supply scheme for U535/545/575/585xxxxQ (with SMPS)
DT64359V1
V
DDIO2
V
DD
Kernel logic
(CPU, digital
and memories)
Level shifter
IO
logic
Backup circuitry
(LSE, RTC, TAMP,
backup registers,
backup SRAM)
IN
OUT
GPIOs
1.65 – 3.6 V
IN
OUT
GPIOs
n x 100 nF
+ 10 µF
m x100 nF
Level shifter
IO
logic
+ 4.7 µF
m x VDDIO2
m x VSS
n x VSS
n x VDD
VBAT
V
CORE
Power switch
V
DDIO2
V
DDIO1
ADCs/
DACs/
OPAMPs/
COMPs/
VREFBUF
VREF+
VREF-
V
DDA
100 nF
+ 1 µF
VDDA
VSSA
V
REF
100 nF
+ 1 µF
VSSSMPS
2 x VDD11
VLXSMPS
VDDSMPS
V
DD
2.2 µH
2 x 2.2 µF
10 µF
SMPS ON
SMPS OFF
LDO
SMPS
VDDUSB
3.3 V
100 nF
Voltage regulator
AN5373
Power supply schemes
AN5373 - Rev 6
page 14/47

ST STM32U5 Specifications

General

Brand	ST
Model	STM32U5
Category	Computer Hardware
Language	English