STM32U535NET3QTR datasheet(129/278 Pages) STMICROELECTRONICS

129 / 278 page

DS14217 Rev 1

129/278

STM32U535xx

Electrical characteristics

253

Caution:

Each power supply pair (such as VDD/VSS or VDDA/VSSA) must be decoupled with filtering

ceramic capacitors as shown above. These capacitors must be placed as close as possible

to, or below, the appropriate pins on the underside of the PCB to ensure the good

functionality of the device.

5.1.7

Current consumption measurement

The IDD parameters given in various tables in the next sections, represent the total MCU

consumption including the current supplying VDD, VDDIO2, VDDA, VDDUSB, VBAT and

VDDSMPS (if the device embeds the SMPS).

Figure 25. Current consumption measurement

5.2

Absolute maximum ratings

Stresses above the absolute maximum ratings listed in Table 29, Table 30 and Table 31

may cause permanent damage to the device. These are stress ratings only and the

functional operation of the device at these conditions is not implied. Exposure to maximum

rating conditions for extended periods may affect device reliability. Device mission profile

(application conditions) is compliant with JEDEC JESD47 qualification standard, extended

mission profiles are available on demand.

MSv62920V2

IDD_VBAT

IDD

VBAT

VDD

VDDA

VDDUSB

VDDSMPS

VDDIO2

Table 29. Voltage characteristics(1)(2)

Symbol

Ratings

Min

Max

Unit

VDDX - VSS

External main supply voltage (including

VDDSMPS, VDDA, VDDUSB, VBAT, VREF+)

-0.3

4.0

VDDIOx(3) - VSS

I/O supply when HSLV = 0

-0.3

4.0

I/O supply when HSLV = 1

-0.3

2.75

VIN(4)

Input voltage on FT_xx pins except

FT_c pins

VSS - 0.3

Min (min (VDD, VDDA, VDDUSB, VDDIO2)

+ 4.0, 6.0)(5)(6)

Input voltage on FT_t pins in

VBAT mode

VSS - 0.3

Min (min (VBAT, VDDA, VDDUSB,

VDDIO2) + 4.0, 6.0) (5)(6)

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