Active energy harvesting dev kit supports OTA wireless charging

July 14, 2021 // By Rich Pell
Active energy harvesting dev kit supports OTA wireless charging
Wireless power company Energous has announced the availability of an active energy harvesting developer kit supporting over-the-air (OTA) wireless charging.

The Active Energy Harvesting Developer Kit is designed to enable at-a-distance wireless charging for the growing ecosystem of industrial Internet of Things (IoT) and other connected devices. The solution includes a dedicated transmitter that emits 5.5W of conducted power in a specific area or direction via its RF-based WattUp wireless charging technology.

This RF-based energy is harvested by Energous-enabled receiving devices, which can be combined with RF energy harvesting IC technology from e-peas. The solution supports "one to many" charging, allowing multiple devices to be simultaneously charged from a single transmitter.

The Active Energy Harvesting Developer Kit includes e-peas’ power management IC technology with a broad array of Energous’ IP including:

  • DA4100 highly integrated system-on-chip (SoC) wireless power transfer (WPT) transmitter IC
  • EN3921 Power Amplifier Controller
  • EN3913 High-Efficiency, GaN, Power Amplifier Module
  • e-peas’ AEM30940 RF energy harvesting IC solution

The active energy harvesting technology, says the company, is applicable to a wide range of industries and applications, from drug storage monitors and patient trackers in a healthcare setting, to smoke detectors and motion sensors in a smart home, to fault prevention and other safety sensors in an industrial environment.

"Energous’ 5.5-watt active energy harvesting developer kit makes it easier for developers of wireless devices to incorporate active energy harvesting into their solution, while providing consistent and safe power levels,” says Cesar Johnston, COO and EVP of Engineering for Energous. "This first-of-its-kind technology supports a much wider range of IoT devices that require guaranteed levels of power not served by today’s passive energy harvesting technologies and lays a foundation for growth in more power-critical applications."

Energous


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