An Air Conditioner Board PCBA is a specialized printed circuit board assembly that serves as the control hub for HVAC systems, managing functions like temperature regulation, fan speed, and energy efficiency. Designed to withstand extreme temperatures (-40°C to +85°C), it integrates ARM Cortex-M microcontrollers and interfaces with sensors (thermistors, humidity sensors) to optimize cooling/heating cycles. Advanced models support Wi-Fi/Bluetooth connectivity for smart home integration via platforms like Alexa or Google Home. Built on high-Tg FR4 substrates with UL 94V-0 flame resistance, these PCBAs comply with RoHS and UL 60335-1 safety standards, ensuring reliability in residential and commercial environments. Key features include 30A relay drivers for compressor control, TRIAC-based fan modulation, and surge protection for longevity in fluctuating power conditions. Applications range from inverter ACs to heat pumps, delivering precision and energy savings in modern climate control systems.
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