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Low Power

Low power is a key benefit that many electronic systems are driving for. Low power means that the module consumes less energy and that the power supply becomes a much cheaper and simpler effort. RIIM™ has a number of features that reduce power, such as the chosen electronic components inside are low power modules to start and the network leaf nodes can be configured to go into sleep mode when they are not active. Also, the output poser of the module is configurable, so as not to consume more power than needed during transmit. The TSCH (Time Synchronized Channel hopping) allows for the Mesh routers to go into sleep mode when there is no time slot for incoming or outgoing RF data packages. The data processing that can be done by the customer in ICI can save substantial power. Instead of sending all raw sensor reading data to the Cloud, the user can just send the interesting data, such as an alarm when a threshold is met. The graph at the top shows how the average current consumed by a leaf node quickly goes down when the readings at transmit rate. All this allows for coin cell operation of the leaf nodes. The example on the slide shows that the average current is only 14 µA when reading a temp sensor every minute. This will give 8 years lifetime on a CR2477 coin cell battery.

PTM Published on: 2019-12-18