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STEPSTK-36v4
Stepper controleur 36v4 - micro-stepping
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This product is a stepper motor driver but a stepper motor uses discrete MOSFETS! It can control a bipolar stepper with a wide operating voltage (8 V to 50 V) and a continuous current of 4 Amp per phase without heat sink.
With additional proper cooling and forced air flow, the current per phase can reach 6 Amp max.
The SPI interface is used to configure:
The driver also provides back-EMF feedback. This can be used for advanced motor control and stall detection algorithms.
The control board also includes several protections for reverse-voltage, under-voltage and over-current.
The board can set the maximum current output. With this active current control, an higher voltage can be applied to the coils without burning them (as the current is actively limited). The advantage of an higher voltage is the stronger magnetic field. Motor will be more reactive and it will be possible to achieve an higher higher step rates.
The Pololu High-Power Stepper Motor Driver 36v4 combines a DRV8711 (a stepper motor driver) with physical MOSFETs transisitors. This raised the controlable current and voltage. The DRV8711 has many configurable settings (see DRV8711 datasheet for a detailed explanation). Pololu do also provides an Arduino library for quick start (is offers basic configuration and operation for the driver).
The power performance of this driver depends on the performance of the external dual MOSFET H-bridges. The current is as high as 4 Amps without any cooling. Add some cooling and you may raise the current up to 6 A per phase (depending on the cooling and forcerd air
More details on the manufacturer 36v4 product sheet.
For each order, you will receive the 36v4 board assembled and tested. The board is shipped with a section of pinHeader, a jumper and terminal blocks.