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Portable refrigerator
The portable refrigerator is a household item. Literally, it is a refrigerator that can be carried conveniently. It is smaller, but more energy-saving than traditional household refrigerators, and has cooling and heating functions.
Based on MindMotion’s MM32SPIN0280/MM32SPIN560C microcontroller, the refrigerator compressor takes MM32SPIN0280/MM32SPIN560C as the main control.
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MM32 MCU Model:
MM32SPIN0280 Series
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MCU Specifications:
- Arm® Cortex-M0 core, operating at a frequency of up to 96MHz
- 128KB Flash, 8KB SRAM
- Include two 12-bit ADCs, with the sampling speed up to 3Msps
- Five general-purpose timers and two PWM advanced timers for motor control
- One I2C interface, two SPI interfaces, three UART interfaces
- Embed four operation amplifiers and five comparators for motor applications
- Working voltage: 2.0V~5.5V
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MM32 MCU Model:
MM32SPIN560C
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MCU Specifications:
- Arm® Cortex-M0 core, operating at a frequency of up to 96MHz
- 128KB Flash, 8KB SRAM
- Include two 12-bit ADCs, with the sampling speed up to 3Msps
- Five general-purpose timers and two PWM advanced timers for motor control
- One I2C interface, two SPI interfaces, three UART interfaces
- Embed three operation amplifiers and three comparators for motor applications
- The working voltage of pre-driver reaches up to 75V
- Working temperature range (ambient temperature): -40℃ to +105℃
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Features:
- Sliding mode control and primary energy efficiency
- Vibration suppression algorithm and ultra-quiet working mode
- Single resistor sensorless FOC control to save cost and board space
- Back pressure (0.7Mpa) and equilibrium pressure (0.4Mpa) startup
- Rotational speed closed-loop control to maintain high accuracy within the full rotational speed range
- Limited power control
- Weak magnetic acceleration and MTPA, low speed with high efficiency
- Overcurrent, over-and under voltage, block running and startup protection
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