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Pololu Tic T825 USB Multi-Interface Stepper Motor Controller (Connectors Soldered)

Pololu Tic T825 USB Multi-Interface Stepper Motor Controller (Connectors Soldered)
€30.35 *

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  • Pololu
  • EXP-R25-896
  • 3130
  • 4
  • US
  • 85423990
  • 0.005
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The Tic T825 is based on the DRV8825 IC from Texas Instruments. It can operate from 8.5 V to 45... more

The Tic T825 is based on the DRV8825 IC from Texas Instruments. It can operate from 8.5 V to 45 V and can deliver up to approximately 1.5 A per phase without a heat sink or forced air flow (absolute maximum is 2.5 A per phase). It has reverse protection for motor power supplies up to 40 V. This version is sold with connectors soldered so no soldering is necessary to use it.

A version is also available with header pins and terminal blocks included but not soldered.

Features:

  • Open-loop speed or position control of one bipolar stepper motor
  • A variety of control interfaces:
    • USB for direct connection to a computer
    • TTL serial operating at 5 V for use with a microcontroller
    • I²C for use with a microcontroller
    • RC hobby servo pulses for use in an RC system
    • Analog voltage for use with a potentiometer or analog joystick
    • Quadrature encoder input for use with a rotary encoder dial, allowing full rotation without limits (not for position feedback)
    • STEP/DIR inputs for compatibility with existing stepper motor control firmware
  • Acceleration and deceleration limiting
  • Maximum stepper speed: 50,000 steps per second
  • Very slow speeds down to 1 step every 200 seconds (or 1 step every 1428 seconds with reduced resolution).
  • Six different microstep resolutions: full step, half step, 1/4 step, 1/8 step, 1/16 step, and 1/32 step
  • Digitally adjustable current limit
  • Optional safety controls to avoid unexpectedly powering the motor
  • Input calibration (learning) and adjustable scaling degree for analog and RC signals
  • 5 V regulator (no external logic voltage supply needed)
  • Optional kill switch inputs
  • Connects to a computer through USB via a USB A to Micro-B cable (not included)
  • Free configuration software available for Windows, Linux, and macOS

Specifications:

  • Motor driver: DRV8825
  • Control interface: USB; non-inverted TTL serial; I²C; RC servo pulses; analog voltage; quadrature encoder
  • Minimum operating voltage: 8.5 V
  • Maximum operating voltage: 45 V
  • Continuous current per phase: 1.5 A
  • Maximum current per phase: 2.5 A
  • Maximum step rate: 50000 PPS
  • Microstep resolutions: full, 1/2, 1/4, 1/8, 1/16, and 1/32
  • Reverse voltage protection?: Y
  • Header pins soldered: Y

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