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MLR003RiEU61-07-1.1 allows the end user application to monitor and compute the energy status through regular measurement of the device internal parameters. Internal storage voltage STV (V) and average current generated ACG (µA) are actual measured values whereas average current consumed ACC (µA) is a computed value. The computed average current consumed value includes motor amount and direction of movement, radio communication frequency, and sleep current. The following two diagrams are illustrations of the energy balance from a running application.
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Energy Storage
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Energy storage typical voltage values | Voltage [V] LTO |
Fully charged – for charge stop (bq25505 and USB) | 2.8 |
Fully charged – for indicator bit | 2.7 |
Normal operation | 2.4 typical (2.0 … 2.8) |
Energy storage bit set when below | 2.3 |
Forced heating starts when falling below | 2.0 |
Forced heating ceases when rising above | 2.4 |
Microcontroller turning off all loads and its own power when falling below | 1.8 |
Microcontroller power-up (under hardware-control) when rising above | 2.37 |
Battery spec HTC1450 (capacity / charge stop / discharge stop) | >500mAh / 2.8V / 1.5V |
