Power efficiency is key for refrigeration equipment. To meet today's green energy requirements, refrigerators and freezers must include support for global efficiency standards, as well as advanced communications for smart metering. The Atmel® intelligent, customizable microcontrollers provide flexible connectivity options and power efficient architectures that are an excellent fit for refrigeration applications.

Features and Benefits

  • A variety of 8- and 32-Bit microcontrollers which are dedicated to motor control, providing support for BLDC motors, AC motors, and switched reluctance motors.
  • Atmel solutions meet energy efficiency requirements such as Energy Star and European regulations to deliver maximum efficiency.
  • Atmel provides an IEC 60730 Class B Library to support customers in the certification process, which dramatically speeds time to market.
  • Atmel AVR 32-bit microcontrollers feature a multi-layer databus and DMA controller that make them a perfect fit for HMI applications where high bandwidth is required.
  • Robust touch sensor technology, featuring the Atmel QTouch® library, lets designers add capacitive touch buttons, wheels and sliders at no additional cost.
  • Native 5 volts support is available on the Atmel megaAVR® and Atmel tinyAVR® microcontrollers.
  • High integration solutions, such as motor control and HMI touch in a Single-chip, help reduce BOM.
  • ZigBee Pro compatibility enables standards-compliant connectivity and smart metering.
  • Node authentication capability supports smart meter infrastructure connections.
Refrigeration Diagram

Refrigerators are an N1 energy consumer, and require power-efficient technology. Atmel microcontroller and wireless products are a perfect fit to help you to design products with granular energy control and efficiency.

Atmel Products

Program ControlUser InterfaceConnectivitySecure AuthenticationMotor Control
megaAVR megaAVRxxPA AT90PWM

AVR XMEGA: Low Power High Performance

ARM-based Solutions: SAM9 Family
Buttons, Sliders and Wheels

QTouch library

maXTouch Touchscreen controller
Single-chip (Microcontroller and Transceiver)


ZigBit Modules
Motor Control Products

Touch-enabled tinyAVR ATtiny20

Touch enabled AVR UC3 L Series

Reference Designs

[ + ] QTouch Robustness Reference Design

[ + ] Configurable PMSM Sensorless Field Oriented Control Reference Design

[ + ] IEC 60730 Safety Library Reference Design

Learn more about the Atmel solution Application Notes, Devices, and Tools and Software