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BUY L6470H https://www.utsource.net/itm/p/7284728.html
Stepper Motor Drivers, STMicroelectronics
The L6470H is a microstepping motor driver with an integrated power MOSFET and a current sense amplifier. It is designed to drive bipolar stepper motors in full, half, quarter, eighth and sixteenth step modes, with an output drive capability of up to 45 V and 2.5 A. Features: Integrated power MOSFET Current sense amplifier Step resolutions up to 1/16 Over-temperature protection Over-current protection Short-circuit protection Under-voltage lockout Programmable acceleration and deceleration Programmable microstepping Programmable current control Programmable mixed decay mode Applications: Automation Robotics Industrial control Medical equipment Office automation Home appliances Security systems (For reference only)