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Ceiling fan
A lot of electrical appliances are seen in our daily lives. In the summer, the ceiling fan is able to allow good ventilation. With wider coverage area than the ordinary fan, it is widely used in the home or at work
Based on MindMotion’s MM32SPIN030C/MM32SPIN040C microcontroller, the ceiling fan takes MM32SPIN030C/MM32SPIN040C as its main control.
- MM32 MCU Model:
MM32SPIN030C Series
- MCU Specifications:
- Arm® Cortex-M0 core, operating at a frequency of up to 60MHz
- 32KB Flash, 4KB SRAM
- One 12-bit analog-to-digital converter ADC, 11 channels supported and sampling rate 1Msps
- Four general-purpose timers and one PWM advanced timer for motor control
- Support UART/SPI communication
- Embed two operation amplifiers and two comparators for motor applications
- Embed 3-phase gated driver - Features:
- Single resistor senseless FOC
- Start without reversing
- Stepless speed regulation
- Forward/Reverse
- Multiple protections: locked rotor, overvoltage, undervoltage, overcurrent, etc
- MM32 MCU Model：
MM32SPIN040C
- MCU Specifications：
- 16KB Flash, 2KB SRAM
- Include one 12-bit ADC, with the sampling speed up to 1Msps
- Two general-purpose timers and one PWM advanced timers for motor control
- One I2C interface and two UART interfaces
- Embed two operation amplifiers for motor applications
- The working voltage of pre-driver reaches up to 36V
- Working temperature range (ambient temperature): -40℃ to +105℃
- Features:
- Hall square wave or FOC sine wave scheme
- Sliding mode observer
- Support initial position detetction
- Support upwind and downwind start-up
- Overcurrent, overvoltage and block running protection
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