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Refrigerator Compressor Digital Inverter
Renesas’ MCUs and op amp are adaptable to different compressors improving system efficiency and energy usage
A compressor driven by a digitally controlled inverter has the power to adapt itself to the usage habit of the consumer throughout the day, and it can operate at various speeds, making digital inverters for refrigerators more and more popular. This design uses a combination of Renesas’ 16-bit MCU (RL78/G14) and op amp (READ2302) to ensure an adaptable and robust solution for this type of application. Supporting a power rating up to 350 W, this design uses the MCU to control the BLDC compressor motor (180° sine wave control), and the op amp is used for motor current sensing using the three-shunt control methodology.
Features
- Adaptable to different compressors
- Improved system efficiency and energy usage
- 180° sensorless FOC control
MCUs
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
 |  | R5F104PJAFB#V0 | IC MCU 16BIT 256KB FLASH 100LQFP | 0 - Immediate | See Page for Pricing | View Details |
|  | R5F104BEAFP#V0 | IC MCU 16BIT 64KB FLASH 32LQFP | 0 - Immediate | See Page for Pricing | View Details |
Op Amp
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
|  | READ2302GSP#GC3 | IC CMOS 2 CIRCUIT 8TSSOP | 7037 - Immediate | $0.99 | View Details |
Published: 2019-08-20
United Kingdom