STM32WB55CC datasheet(97/165 Pages) STMICROELECTRONICS

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Table 44. Current consumption in Standby mode

Symbol

Parameter

Conditions

TYP

MAX(1)

Unit

-VDD 0 °C 25 °C 40 °C 55 °C 85 °C 105 °C 125 °C 0 °C 25 °C 40 °C 55 °C 85 °C 105 °C 125 °C

IDD

(Standby)

Supply current

in Standby

mode (backup

registers and

SRAM2a

retained),

RTC disabled

BLE enabled

No independent

watchdog

1.8 V 0.850 0.925 1.150

1.55

4.00

9.00

19.50

TBD

µA

2.4 V 0.910 0.985 1.200

1.65

4.10

9.60

21.0

TBD

3.0 V 0.940 1.050 1.250

1.75

4.60

10.50

23.0

TBD

3.6 V 1.050 1.150 1.400

1.90

5.10

11.50

25.0

TBD

BLE disabled

No independent

watchdog

1.8 V 0.270 0.320 0.515 0.920

3.45

8.20

18.5

TBD

2.4 V 0.270 0.350 0.540 0.955

3.50

8.80

20.0

TBD

3.0 V 0.270 0.370 0.575

1.00

3.85

9.50

22.0

TBD

3.6 V 0.300 0.410 0.645

1.15

4.20

10.50

24.0

TBD

BLE disabled

With

independent

watchdog

1.8 V 0.265 0.525 0.710

1.10

3.90

8.40

18.5

TBD

2.4 V 0.280 0.595 0.790

1.20

4.00

9.05

20.0

TBD

3.0 V 0.290 0.670 0.855

1.35

4.15

9.80

22.0

TBD

3.6 V 0.295 0.770 0.990

1.50

4.60

11.00

24.0

TBD

IDD

(Standby

with RTC)

Supply current

in Standby

mode (backup

registers and

SRAM2a

retained),

RTC enabled

BLE disabled

RTC clocked by

LSI, no

independent

watchdog

1.8 V 0.500 0.600 0.780

1.20

3.70

8.45

18.5

TBD

2.4 V 0.630 0.705 0.910

1.30

3.80

9.10

20.0

TBD

3.0 V 0.725 0.825 1.050

1.50

3.95

9.90

22.0

TBD

3.6 V 0.860 0.970 1.200

1.70

4.25

11.00

24.5

TBD

RTC clocked by

LSI, with

independent

watchdog

1.8 V 0.565 0.655 0.830

1.25

3.75

8.55

19.0

TBD

2.4 V 0.635 0.790 0.975

1.40

4.10

9.20

20.5

TBD

3.0 V 0.725 0.915 1.100

1.55

4.50

10.00

22.5

TBD

3.6 V 0.870 1.050 1.300

1.80

4.90

11.00

24.5

TBD

RTC clocked by

LSE quartz (2) in

low drive mode

1.8 V 0.525 0.625 0.840

1.25

3.75

8.60

TBD

2.4 V 0.665 0.755 0.960

1.35

4.05

9.25

TBD

3.0 V 0.775 0.880 1.100

1.55

4.40

10.00

TBD

3.6 V 0.935 1.050 1.300

1.80

5.00

11.00

TBD

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