STM32U545NET3QTR datasheet(175/283 Pages) STMICROELECTRONICS

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Table 69. Current consumption in Shutdown mode

Symbol

Parameter

Conditions

Typ

Max(1)

Unit

-VDD (V) 25°C 55°C 85°C 105°C 125°C 25°C

55°C

85°C

105°C 125°C

IDD(Shutdown)

Supply current in

Shutdown mode (backup

registers retained),

RTC disabled

1.8

0.09

0.49

2.35

6.25

16.00

0.22

1.30

5.90

16.00

40.00

µA

2.4

0.12

0.55

2.50

6.60

17.00

0.29

1.40

6.30

17.00

43.00

3.0

0.20

0.75

3.00

7.50

18.50

0.49

1.90

7.50

19.00

47.00

3.3

0.40

1.15

3.80

8.85

21.00

0.99

2.90

9.50

23.00

53.00

3.6

0.97

2.10

5.50

11.50 25.00

2.50

5.30

14.00

29.00

63.00

IDD(Shutdown

with RTC)

Supply current in

Shutdown mode (backup

registers retained),

RTC enabled

RTC(2) clocked by

LSE bypassed at

32768 Hz

1.8

0.32

0.75

2.70

6.90

18.50

0.48

1.60

6.30

17.00

43.00

2.4

0.40

0.86

2.90

7.25

19.00

0.61

1.80

6.70

18.00

45.00

3.0

0.56

1.15

3.50

8.25

21.50

0.89

2.40

8.10

20.00

50.00

3.3

0.80

1.60

4.35

9.65

24.00

1.50

3.40

11.00

24.00

56.00

3.6

1.45

2.60

6.20 12.50 28.50

3.00

5.80

15.00

30.00

67.00

RTC(2) clocked by

LSE quartz in low-

drive mode

1.8

0.44

0.88

2.85

6.85

17.00

2.4

0.49

0.97

3.00

7.25

17.50

3.0

0.59

1.20

3.55

8.20

19.50

3.3

0.80

1.60

4.35

9.55

22.00

3.6

1.40

2.55

6.15 12.00 26.00

1. Evaluated by characterization. Not tested in production.

2. RTC with default configuration but RTC_CALR.LPCAL = 1.

Table 70. Current consumption during wake-up from Shutdown mode

Symbol

Parameter

Conditions

Typ

Unit

-VDD (V)

25°C

QDD(wakeup from Shutdown)

Electrical charge consumed during wake-up

from Shutdown mode

Wake-up clock is MSI 4 MHz

3.0

3.75

μAs

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