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BUY TMC249A-SA https://www.utsource.net/itm/p/6340839.html
High Current Microstep Stepper Motor Driver with sensorless stall detection, protection / diagnostics and SPI Interface
TMC249A-SA is a SOP28 stepper motor controller from Trinamic. It is a single-axis stepper motor controller with integrated microstepping and stall detection. It is designed for use in applications such as 3D printing, robotics, and CNC machines. Features: - Integrated microstepping up to 256 microsteps - Stall detection for reliable operation - Programmable current control - Programmable acceleration and deceleration - Programmable step frequency - Programmable motor current - Programmable overcurrent protection - Programmable overvoltage protection - Programmable undervoltage protection - Programmable over temperature protection Applications: - 3D printing - Robotics - CNC machines - Automation - Industrial control (For reference only)