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Electric wrench
Power tool is a hand-held or removable mechanized tool that is powered by a motor or an electromagnet and drives the mechanical parts to perform tasks through a transmission mechanism. Power tools are light in structure, small in size, low in vibration, low in noise, and flexible in operation. They are easy-to-control, easy-to-carry and use, robust and durable. Compared with manual tools, its labor productivity can be increased to several times or dozens of times.
Based on MindMotion’s MM32SPIN560C microcontroller, the power tool control takes MM32SPIN560C as the main control.
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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, 12KB SRAM
- Include two 12-bit ADCs, with sampling speed up to 3Msps
- Five general-purpose timers and two PWM advanced timers for motor control
- One I2C interface, two SPI interfaces and 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:
- Less than 20uA static low power current
- Sensorless square wave drive (comparator polling scheme)
- High frequency injection for detecting initial position
- Large sensorless starting moment
- Stop and break
- Speed closed-loop control
- Limited current control
- Over/under voltage, block running and over current protection
Related Video
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