If you are having trouble with energy harvesting application design! "Gleanergy"

Wurth Electronics' energy harvesting evaluation kit "Gleanergy" is a kit that can generate electric energy from natural energy such as light, heat, vibration, stress/strain, and high-strength AC magnetic field, and supply power to wireless sensor nodes. These alternative energy sources extend the life of the battery onboard the kit and allow the kit to continue operating when its life has expired.

"Gleanergy" has a thermoelectric conversion element and a solar cell on board. The radio board also features an Arm® Cortex®-M3 processor with SmartMesh IP networking software from Analog Devices. The evaluation software GUI is provided free of charge in the evaluation environment, and programs can be created using IAR Embedded Workbench.

It is also possible to upload a program created using the JTAG debugger or the Eterna serial program. The E-Ink display makes it easy to understand the operating status of the board.

This evaluation kit is equipped with a power supply for energy harvesting manufactured by Analog Devices and a wireless IC that constructs a mesh network.

Gleanergy consists of two boards, DC2321A board and DC2344A board.
Below are the details of each board.

Introduction of DC2321A board -Dust application evaluation board with E-Ink display-

"DC2321A" is an evaluation kit equipped with Analog Devices LTP5901 SmartMesh PCB module. It uses an Arm® Cortex® -M3 processor with embedded SmartMesh IP networking software.

The kit monitors and manages available energy, records information from sensors, and feeds it back to an E-Ink display. In addition, it is possible to share these data on the wireless network.

For details on how to use the evaluation kit, please refer to the demo manual linked below.
DC2321A Evaluation Kit Demo Manual

Introduction of DC2344A board -Multi-source energy harvesting evaluation board-

"DC2344A" is a multi-purpose energy harvesting evaluation kit equipped with Analog Devices energy harvesting power supply. The evaluation kit can accept solar, thermoelectric, stress/strain alternative energy sources, as well as high impedance AC and DC power sources.

The board has four independent circuits, each consisting of the following energy harvesting power supplies:

• LTC3106: 300mΩ Low Voltage Buck-Boost Converter with PowerPath and 1.6uA Quiescent Current
• LTC3107: Ultra-Low Voltage Energy Harvesting Power Supply and Primary Battery Life Extension Circuit
• LTC3330: Nanopower buck-boost DC/DC converter with integrated energy harvesting battery life extension
• LTC3331: Nanopower Buck-Boost DC/DC Converter with Integrated Energy Harvesting Battery Charger

As for the piezo element for stress/strain measurement, you can easily evaluate it by using "VLT-9001" manufactured by MIDE Technology.

For details on how to use the evaluation kit, please refer to the demo manual linked below.
DC2344A Evaluation Kit Demo Manual

Introduction of Wurth Electronics parts on board

Components such as inductors and connectors used on the Gleanergy board are available from Wurth Electronics' product lineup.

Below are the Wurth Electronics parts on the board. You can check the details of the product by clicking the part name.

Wurth Electronics components in Gleanergy

Introducing Energy Harvesting ICs from Analog Devices

Analog Devices offers a wide range of ultra-low power ICs for energy harvesting applications. Highly efficient conversion to regulated voltage or battery and power is received by the supercapacitor power storage element.

Boost converters operating at only 20mV and battery chargers with maximum power point capabilities open up a wide variety of applications including industrial automation, controls, wireless sensors, transportation, automotive and building management applications. .

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