Table 2 Current consumption of each device at the run mode
From: A design and implementation of low-power ultrasonic water meter
device | operating status | operating condition | Supply Voltage [V] | current consump.[μA] | power consump. [μW] |
|---|---|---|---|---|---|
STM32L152 Micro controller | active | typical | 3.6 | 19.0 | 68.4 |
max | 47.0 | 169.2 | |||
idle | typical | 6.25 | 22.5 | ||
max | 44.0 | 158.4 | |||
MAX35101 Front-end chip | active | typical | 10.0 | 36.0 | |
max | 13.0 | 46.8 | |||
idle | typical | 0.1 | 0.36 | ||
max | 1.0 | 3.6 |