Silicon Laboratories Si1012 User Manual Download Page 9 | Manualshive

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AN588

Rev. 0.2

9

9. Schematic

Figure

1

1.

Energy Harvestin

g Node Schem

atic (1

of 3)

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Summary of Contents for Si1012

Page 1: ...attery height is 0 17 mm The system consists of two components a wireless Sensor node and an EZRadioPRO USB Dongle The Sensor Node uses a Silicon Labs Si1012 wireless MCU The Dongle uses a Silicon Lab...

Page 2: ...scharged state Be sure to fully charge the Node prior to first use Refer to 8 Additional Information on page 8 for details and charging times Figure 2 Si1012 Sensor Node The USB Dongle is powered by t...

Page 3: ...O dongle is plugged into a USB port on the PC 1 Launch the program which is found by clicking Start All Programs Silicon Laboratories WDS3 2 Select Harvesting Demo 3 Go through the on screen menu unti...

Page 4: ...t successfully receives a valid packet 8 The Energy Harvesting Application will designate the first Sensor Node to associate as Node 1 Up to 4 nodes are allowed to associate Cover the solar cell or sh...

Page 5: ...all received packets is displayed Selecting a packet will decode the raw data and display the extracted information in the VBAT TEMP and LIGHT_LEVEL fields Figure 7 Energy Harvesting Demo NodeInfo Vie...

Page 6: ...energy The larger the energy storage reservoir the longer the system can go without harvesting new energy from the environment The energy management circuitry at the output of the energy storage conv...

Page 7: ...ption both in sleep and active modes Figure 9 shows a simplified activity profile for the active mode RF packet transmission once a second The peak current is 29 mA when the RF transmitter is enabled...

Page 8: ...ly charged 30 minutes by plugging in a ToolStick Base Adapter and setting the power source switch to USB Figure 10 shows approximate charging times for a fully depleted system under various charging c...

Page 9: ...AN588 Rev 0 2 9 9 Schematic Figure 11 Energy Harvesting Node Schematic 1 of 3...

Page 10: ...AN588 10 Rev 0 2 Figure 12 Energy Harvesting Node Schematic 2 of 3...

Page 11: ...AN588 Rev 0 2 11 Figure 13 Energy Harvesting Node Schematic 3 of 3...

Page 12: ...dditionally Silicon Laboratories assumes no responsibility for the functioning of undescribed features or parameters Silicon Laboratories reserves the right to make changes without further notice Sili...

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