Dual motor control with digital interleaved PFC for HVAC reference design
Overview
Topology
Power Factor Correction
Input voltage
165-265 V
Output 1
385 V / 5 A
IC revision
31
Description
The TIDM-02010 reference design is a 1.5-kW dual motor drive and PFC control reference design for varaible frequency air conditioner outdoor unit controller in HVAC applications, which illustrates a method to implement sensorless 3-phase PMSM vector control for compressor and fan motor drive, and digital interleaved boost PFC for meeting new efficiency standards with a single C2000™ microcontroller. The hardware and software available with this reference design are tested and ready-to-use to help accelerate development time to market. The reference design includes hardware design files and software codes.
Features
Wide operating voltage input range: 165 V to 265 VAC, 50/60 Hz
Sensorless-FOC for compressor and fan motors plus digital interleaved PFC boost converter control using a single C2000 controller
Up to 1.5-kW inverter stage, 6-kHz switching frequency, torque compensation and automatic field weakening control for compressor PMSM
Up to 150-W inverter stage, 18-kHz switching frequency for fan PMSM, stall detection with auto recovery, flying start and over current protections
Up to 1.5-kW power output, 72-kHz switching frequency, digital control interleaved boost PFC with power factor >0.95 and <5% THD from medium to full load over entire operating voltage range, robust adjustable voltage output with voltage and current fault protection
Typical applications
Air conditioner outdoor unit , compressor, Heat pump water heaters & heating systems, Refrigerator & freezer