User's Manual

Bluegiga Technologies Oy
Page 12 of 31
3.4 Current Consumption
Power mode
hardware.xml
Min
Typ
Max
Unit
Transmit
<txpower power = ”1”/>
<slow clock enable = ”true”/>
25
mA
<txpower power = ”9”/>
<slow clock enable = ”true”/>
36
mA
<txpower power = ”9”/>
<slow clock enable = ”false”/>
38
mA
Receive
<slow clock enable = ”true”/>
28
mA
<slow clock enable = ”false”/>
33
mA
Power mode 1
2.7
mA
Power mode 2
1.3
µA
Power mode 3
0.5
µA
Figure 2: BLE121LR TX peak current as a function of the setting in the HW configuration file
Figure 3: BLE121LR TX peak current as a function of hardware.xml TXP setting (Example: <txpower
power="9" bias="5" />)