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STMicro's L6470 (a.k.a "dSPIN") is a 3A, 8-45V bipolar
stepper motor driver. It has built-in overcurrent
detection, undervoltage detection,
overtemperature detection,stall detection, a 5-bit ADC,
and a switch input that can be used for either user jog control
or as a hard stop function. As if that weren't enough, it also
features microstepping support (up to 128 microsteps per
full step) and PWM drive voltage limiting.
Unlike most stepper motor drivers, the dSPIN is controlled
over an SPI link. It has an on-board 16MHz oscillator which
allows it to autonomously execute movement commands.
That means no more counting steps in your code! It also
supports customized acceleration and deceleration profiles
to prevent jerky starts and stops. On-board registers track
current speed and location
This L6470 Stepper Driver Breakout makes it easy to put
the dSpin to work in your project. Simply connect your
motors and your SPI-capable microcontroller and get steppin'!
The logic supply voltage supports both 3.3V and 5V I/O levels.