Productos
Tic T825 USB Multi-Interface Stepper Motor Controller
Controlador para motor paso a paso bipolar de la marca Pololu, basado en el TI DRV8825. Posee 6 interfaces de control: USB (a la PC), TTL serie, I²C, Potenciómetro, Encoder, y radio control (RC).
COD: P003131
Peso: 0.005 Kg
Disponibilidad: En Stock
ARS 50758.00
El producto no está disponible para la venta en este momento
Características
Description:
The Tic T825 USB Multi-Interface Stepper Motor Controller makes basic control of a stepper motor easy, with quick configuration over USB using our free software. The controller supports six control interfaces: USB, TTL serial, I²C, analog voltage (potentiometer), quadrature encoder, and hobby radio control (RC). This version incorporates a TI DRV8825 driver and male headers and terminal blocks are included but not soldered. 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 (or 2.5 A max with sufficient additional cooling).
The Tic T825 USB Multi-Interface Stepper Motor Controller is a versatile, general-purpose controller designed to control one bipolar stepper motor. With a variety of supported interfaces–USB for direct connection to a computer, TTL serial and I²C for use with a microcontroller, RC hobby servo pulses for use in an RC system, analog voltages for use with a potentiometer or analog joystick, and quadrature encoder for use with a rotary encoder dial–and a wide array of configurable settings, the Tic T825 makes it easy to add basic control of a bipolar stepper motor to a variety of projects. A free configuration utility (for Windows, Linux, and macOS) simplifies initial setup of the device and allows for in-system testing and monitoring of the controller via USB.
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 unassembled so soldering is necessary to use it.
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Tic T825 USB Multi-Interface Stepper Motor Controller (without connectors soldered) with included headers and terminal blocks. |
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Features and specifications:
- 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
- Comprehensive user’s guide
Dimensions:
| Size: | 1.50″ × 1.05″ × 0.42″ |
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| Weight: | 5.1 g |
General specifications:
| Motor driver: | DRV8825 |
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| 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: | N |
Notes:
- -Without included optional hardware.
- -Reverse voltage protection only works up to 40 V.
- -Without a heat sink or forced air flow.
- -With sufficient additional cooling.
-To -40 V. Connecting supplies over 40 V in reverse can damage the device.
Documentation and other information:
Tic Stepper Motor Controller User’s Guide
User’s manual for the Pololu Tic USB Stepper Motor Controller.
File downloads:
- Tic Software and Drivers for Windows (8MB msi)
- This installer contains the drivers and software for the Tic Stepper Motor Controller for Microsoft Windows.
- Tic Software for Linux (x86) (8MB xz)
- Tic Software for Linux (Raspberry Pi) (6MB xz)
- Dimension diagram of the Tic T825 USB Multi-Interface Stepper Motor Controller (199k pdf)
- Texas Instruments DRV8825 stepper motor driver datasheet (1MB pdf)
- 3D model of the Tic T825 USB Multi-Interface Stepper Motor Controller (12MB step)
- Drill guide for the Tic T825 USB Multi-Interface Stepper Motor Controller (76k dxf)
- This DXF drawing shows the locations of all of the board’s holes.
- UM10204 I²C-bus specification and user manual (1MB pdf)
- The official specification for the I²C-bus, which is maintained by NXP.
Recommended links:
- Tic Stepper Motor Controller software source code
- This repository contains the source code of the Pololu Tic Command-line Utility (ticcmd) and the Pololu Tic Control Center (ticgui). It also has drivers for Windows and build instructions.
- Important note:
- To avoid damaging your stepper motor, you want to avoid exceeding the rated current, which is 600 mA in this instance. The Tic T825 stepper motor controller has configurable current limiting, so you can set a limit that is appropriate for your stepper motor. As long as you set the limit below the rated current, you will be within spec for your motor, even if the voltage exceeds the rated voltage. The voltage rating is just the voltage at which each coil draws the rated current, so the coils of your stepper motor will draw 600 mA at 3.9 V. By using a higher voltage along with active current limiting, the current is able to ramp up faster, which lets you achieve higher step rates than you could using the rated voltage.
