DocID027851 Rev 5

7/23

SPBTLE-RF

Hardware specifications

23

4.4

Current consumption comparison

The measured values reported in table 3 have been compared with the value calculated

with the “BlueNRG current consumption estimation tool”, available on ST.com at:

http://www.st.com/web/en/catalog/tools/PF260405

The comparison between measured and calculated values is reported in following Table 4.

For each calculated value refer to the following screenshot

Figure 3. Peripheral in advertising (20 ms)

Table 4. Current consumption comparison summary

Symbol

Parameter

Test conditions

Typ.

Peak

Calculated

Unit

Calculated

value reference

Supply current

Shutdown /

STANDBY

1.98

2

µA

BlueNRG-MS

Datasheet Table

7

Peripheral in

advertising (20 ms)

0.850

11.5

0.985

mA

Screenshot

Figure 3

Peripheral in

advertising (80 ms)

0.250

15.7

0.247

mA

Screenshot

Figure 4

Peripheral in

connection

0.103

15

0.119

mA

Screenshot

Figure 5

Central in scan

mode

7.72

8.5

7.1 - 7.4

mA

Screenshot

Figure 6

Central in

connection

0.105

12.85

0.106

mA

Screenshot

Figure 7