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Power amplifier controller for WattUp® Wireless Power Systems

EN3921 is a power amplifier controller IC that supports biasing, monitoring and dynamic control of the EN3913M GaN power amplifier. The EN4100 transmitter IC, EN3921 controller, and EN3913M GaN Power Amplifier combined power WattUp®-enabled receivers. Applications include RF-based wireless power for IoT sensors, RF-tags, Electronic Shelf Labels (ESL), edge devices and more.

Energous EN3921 Block

Features

  • Configurable sequencer for PA power-up and power-down
  • Programmable interrupt controller and auto-shutdown for error conditions such as over-current, over-temperature, over-voltage, or over-VSWR.
  • One-time programmable (OTP) memory
  • Peripheral interfaces: 6 GPIO, 5 ADC, 2 DAC, 2 LDO’s, 2 Power Detectors, 1 IRQ

Benefits

  • Enables at-a-distance wireless power
  • RF/antenna-based solution
  • Improved spatial and orientation freedom
  • Eliminates connectors and charging contacts
  • Enables fully sealed waterproof design

Ready To Integrate WattUp®?

Our developer kits are specifically designed for companies that are looking at taking wireless power to mass production with a designated product or group of products. Our engineers will work with you to integrate WattUp® into your products.

Learn About Developer Kits

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If you are interested in learning more about WattUp and how it can work for you, contact our team of experts today.

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Ready To Integrate WattUp?

Our developer kits are specifically designed for companies that are looking at taking wireless charging to mass production with a designated product or group of products. Our engineers will work with you to integrate WattUp into your products.

Learn About Developer Kits