Overview

The need for portable air conditioners has been growing for use in residential, RVs, or mobile housing. This triac-based motor controller solution is a robust, compact air conditioning system that works well for small-scale applications including vehicle systems. This system is based on triacs to simplify the design as compared to inverter-based designs.

System Benefits​:

  • Optimized triac control for a simplified compressor motor control system design
  • RX231 low power, high-performance 32-bit microcontroller (MCU) or ultra-low power widely used Arm® Cortex® processor-based RA2E1 32-bit MCU to enable efficient design
  • RAA223021 high voltage AC/DC buck regulator to convert the rectified AC power going to the system, allowing for simple operation
  • Enhanced system monitoring for fail-safe protection, sensing current and load

Applications

  • AC powered motor control
  • Portable air conditioners
  • Recreational vehicle air conditioners

Winning Combinations Interactive Diagram

Select a block to discover products for your design

4:3 ratio Sheet.1 Sheet.2 Sheet.3 Sheet.4 US106 US106 US106 Zero Cross Detection Circuit Zero Cross Detection Circuit Zero Cross Detection Circuit High Voltage Buck High Voltage Buck High Voltage Buck Temperature & Humidity Temperature & Humidity Temperature & Humidity PMOD PMOD PMOD Current Sense Current Sense Current Sense Current Sense Current Sense Current Sense Triacs Triacs Triacs Triacs Triacs Triacs RS485 Isolated Transceiver RS485 Isolated Transceiver RS485 Isolated Transceiver LCD Monitor Sheet.36 Sheet.37 Motor Sheet.39 Sheet.40 M M Signal Ground Sheet.42 Sheet.43 Sheet.44 Sheet.45 Sheet.46 Signal Ground.47 Sheet.48 Sheet.49 Sheet.50 Sheet.51 Sheet.52 Relay Relay Relay Signal Ground.55 Sheet.56 Sheet.57 Sheet.58 Sheet.59 Sheet.60 -5V 21mA -5V 21mA -5V 21mA 2 2 2 2 Sheet.79 -5V 180mA -5V 180mA -5V 180mA Load (Compressor, Condenser, Fan, 4 way valve) Load (Compressor, Condenser, Fan, 4 way valve) Load (Compressor, Condenser, Fan, 4 way valve) 2 2 2 2 Sheet.86 4 4 4 4 Sheet.89 4 4 4 4 Sheet.92 -5V 6mA -5V 6mA -5V 6mA 5V ISO (From PC) 5V ISO (From PC) 5V ISO (From PC) Sheet.104 Sheet.105 AC Filter and Rectification AC Filter and Rectification AC Filter and Rectification AC Power Source Alternating Current Sheet.63 Signal Ground.64 Sheet.65 Sheet.66 Sheet.67 Sheet.68 Sheet.69 115/230V 115/230V 115/230V N N N L L L Sheet.101 Sheet.102 Sheet.103 Sheet.107 Sheet.108 Sheet.109 Sheet.110 Connector 1.161 Sheet.112 Connector 1.161.113 -5V 21mA -5V 21mA -5V 21mA Sheet.116 Connector 1.161.117 Sheet.118 Sheet.121 I2C I2C I2C Sheet.124 Sheet.125 Sheet.126 Sheet.127 4 4 4 4 Sheet.130 Sheet.131 Sheet.135 Sheet.137 Sheet.138 Sheet.139 Vertical Wire Bundle.140 2 2 2 Sheet.142 Sheet.143 Sheet.144 Sheet.145 Sheet.146 L L L -5V 62uA -5V 62uA -5V 62uA Sheet.152 MCU MCU MCU MCU INT INT INT Vss Vss Vss I2C I2C I2C GPIO GPIO GPIO PWM PWM PWM ADC ADC ADC UART UART UART Vss Vss Vss Computer Tower Sheet.214 Sheet.215 Sheet.216 Sheet.217 Sheet.218 Sheet.219 Sheet.220 Sheet.221 Sheet.222

Recommended Products

High Voltage Buck
Non-Isolated AC/DC Buck Converters

Recommended Products

Temperature & Humidity Sensor
Humidity & Temperature Sensors

Recommended Products

MCU
RA Arm® Cortex®-M MCUs
RX 32-Bit Performance / Efficiency MCUs

Recommended Products

RS-485 Isolated Transceiver
RS-485/422 with Enhanced ESD Protection

Recommended Products

Current Sense
Current Sense Amplifiers
Triac-Based Motor Control for Portable or Recreational Vehicle Air Conditioner Control Solution

An overview of the triac-based motor control winning combination, perfect for RV air conditioners, portable or window air conditioners, or small appliances such as fans, heaters, etc. The advantage of this architecture is that it is much simpler than an inverter-based motor control design. For more information, visit the Triac-Based Motor Controller winning combination page.

Video List
Triac-Based Motor Control for Portable or Recreational Vehicle Air Conditioner Control Solution

News & Blog Posts

Blog Post Jul 24, 2021