L6470完全集成的微运动机电机驱动器和SPI

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上传日期: 2017-09-21

上 传 者: 李倩他上传的所有资料

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标签:L6470(1)电机驱动器(51)SPI(228)

  The L6470 device, realized in analog mixed signal technology, is an advanced fully integrated soluTIon suitable for driving two-phase bipolar stepper motors with microstepping. It integrates a dual low RDS(on) DMOS full bridge with all of the power switches equipped with an accurate onchip current sensing circuitry suitable for nondissipaTIve current control and overcurrent protecTIon. Thanks to a unique control system, a true 1/128 steps resoluTIon is achieved. The digital control core can generate user defined motion profiles with acceleration, deceleration, speed or target position, easily programmed through a dedicated registers set. All commands and data registers, including those used to set analogue values (i.e. current control value, current protection trip point, deadtime, PWM frequency, etc.) are sent through a standard 5-Mbit/s SPI. A very rich set of protections (thermal, low bus voltage, overcurrent, motor stall) allows the design of a fully protected application, as required by the most demanding motor control applications.

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