Energous chip en4100

EN4100 – Transmitter SoC

Energous Transmitter Overview

The EN4100 forms the core of the wireless power transmitter system, and is a highly integrated System-on-Chip RF-transmitter IC designed to provide optimal power to Energous wireless receivers. It features the RF transmitter, power management, and integrated DC-DC supply, delivering a complete wireless power transfer solution. Applications include wireless transmission for low-power, battery-operated IoT devices.


  • Integrates most of the functions required to form a complete Energous transmitter system, including an ARM Cortex® M0+ processor, RAM, ROM, crystal oscillator, Low Profile Oscillator (LPO), clock divider, Phase-Lock Loop (PLL), RF converter, Variable Gain Amplifier (VGA), Power Detectors (PD), DC-DC, LDO’s, I2C, UART, SPI, GPIOs, ADCs, and DACs.
  • Embeds security apparatus for 2-way authentication with 128bit encryption.
  • Requires only an external crystal and power amplifier
  • Operates directly from a 3.3V power supply


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

See our other transmitter systems

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