AX-SIGFOX-API Datasheet, PDF (7/19 Pages) ON Semiconductor – Ultra-Low Power, AT Command Controlled, Sigfox Compliant Transceiver IC for Up-Link and Down-Link

AX−SIGFOX
Typical Current Waveform
Typical Current Waveform − Maximum Length Frame with Downlink Receive, Pout = 14 dBm
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Figure 3. Typical Current Waveform for a Maximum Length Frame with Downlink Receive at 14 dBm Output Power
Battery Life Examples
Scenario 1:
• CR2032 coin cell battery
• One OOB frame transmitter per day at Pout=0 dBm
• Device in Sleep
• Neglecting battery self discharge
CR2032 capacity
Sleep charge per day
OOB frame transmission
Total Charge consumption
Battery life
225 mAh * 3600 s/h
1.3 mA * 86400 s
810 C
0.11 C/day
0.12 C/day
0.23 C/day
9.6 Years
Scenario 2:
• 2 AAA Alkaline batteries in series
• One OOB frame transmitter per day at Pout=14 dBm
• Four maximum length frames with downlink receive
per day at Pout=14 dBm
• Device in Sleep
• Neglecting battery self discharge
2 AAA alkaline capacity
Sleep charge per day
OOB frame transmission
Frame transmission with downlink
Total Charge consumption
Battery life
1500 mAh * 3600 s/h
1.3 mA * 86400 s
4 * 0.46 C/day
5400 C
0.11 C/day
0.28 C/day
1.84 C/day
2.26 C/day
6.5 Years
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