Available with a lead time
Expect dispatch between Nov 15 and Nov 18
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The Tic family of stepper motor controllers makes it easy to add basic control of a bipolar stepper motor to a variety of projects. These versatile, general-purpose modules support six different control 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. They also offer many settings that can be configured using Pololu's free configuration utility (for Windows, Linux, and macOS). This software simplifies initial setup of the device and allows for in-system testing and monitoring of the controller via USB (a micro-B USB cable is required to connect the Tic to a computer).
The table below lists the members of the Tic family and shows the key differences among them.
Tic T500 | Tic T834 | Tic T825 | Tic T249 | Tic 36v4 | |
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Operating voltage range: | 4.5 V to 35 V(1) | 2.5 V to 10.8 V | 8.5 V to 45 V(1) | 10 V to 47 V(1) | 8 V to 50 V(1) |
Max continuous current per phase(no additional cooling): | 1.5 A | 1.5 A | 1.5 A | 1.8 A | 4 A |
Peak current per phase(additional cooling required): | 2.5 A | 2 A | 2.5 A | 4.5 A | 6 A |
Microstep resolutions: | fullhalf1/41/8 | fullhalf1/41/81/161/32 | fullhalf1/41/81/161/32 | fullhalf1/41/81/161/32 | fullhalf1/41/81/161/321/641/1281/256 |
Automatic decay selection: | |||||
Automatic gain control (AGC): | |||||
Driver IC: | MP6500 | DRV8834 | DRV8825 | TB67S249FTG | discrete MOSFETs |
1 See product pages and user’s guide for operating voltage limitations.
Tic T500 USB Multi-Interface Stepper Motor Controller, bottom view with dimensions. |
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Tic T834 USB Multi-Interface Stepper Motor Controller, bottom view with dimensions. |
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Tic T825 USB Multi-Interface Stepper Motor Controller, bottom view with dimensions. |
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Tic T249 USB Multi-Interface Stepper Motor Controller, bottom view with dimensions. |
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Tic 36v4 USB Multi-Interface High-Power Stepper Motor Controller, bottom view with dimensions. |
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Features and specifications
Details for item #3139
The Tic T249 is based on the TB67S249FTG IC from Toshiba, which allows the Tic T249 to offer several unique and innovative features. One of these is Toshiba’s Active Gain Control (AGC), which automatically reduces the stepper motor current below the set limit based on the actual load on the motor, allowing for reduced unnecessary heat generation and higher peak power when the motor actually needs it. Another is Toshiba’s Advanced Dynamic Mixed Decay (ADMD) technology, which dynamically switches between slow and fast decay modes based on the actual motor current, providing higher efficiency and smoother steps at high speed than you get with traditional timing-based mixed decay.
The Tic T249 can operate from 10 V to 47 V and can deliver up to approximately 1.8 A continuous per phase without a heat sink or forced air flow (the peak current per phase is 4.5 A). This version is sold unassembled so soldering is necessary to use it.
Tic T249 USB Multi-Interface Stepper Motor Controller (without connectors soldered) with included headers and terminal blocks. |
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A version is also available that requires no soldering to use as the terminal blocks and main header pins are already installed.
People often buy this product together with:
Tic T500 USB Multi-Interface Stepper Motor Controller |
Tic 36v4 USB Multi-Interface High-Power Stepper Motor Controller |
Dimensions
Size: | 1.50" × 1.05" × 0.42"1 |
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Weight: | 5.8 g1 |
General specifications
Model: | Tic T249 |
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Motor driver: | TB67S249FTG |
Control interface: | USB; non-inverted TTL serial; I²C; RC servo pulses; analog voltage; quadrature encoder |
Minimum operating voltage: | 10 V |
Maximum operating voltage: | 47 V2 |
Continuous current per phase: | 1.8 A3 |
Maximum current per phase: | 4.5 A4 |
Maximum step rate: | 50000 PPS |
Microstep resolutions: | full, non-circular 1/2, circular 1/2, 1/4, 1/8, 1/16, and 1/32 |
Reverse voltage protection?: | Y5 |
Connectors soldered?: | N |
Identifying markings
PCB dev codes: | tic05a |
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Other PCB markings: | 0J11911 |
Notes:
Documentation and other information
Tic Stepper Motor Controller User’s Guide (Printable PDF)
User’s manual for the Pololu Tic USB Stepper Motor Controller.
File downloads
Tic Software and Drivers for Windows (10MB msi)
Tic Software for Linux (x86) (8MB xz)
Tic Software for macOS (8MB pkg)
Dimension diagrams of the Tic USB Multi-Interface Stepper Motor Controllers (1MB pdf)
3D models of the Tic USB Multi-Interface Stepper Motor Controllers (11MB zip)
This file contains 3D models (in the step file format) of all the Tic USB Multi-Interface Stepper Motor Controllers.
Drill guides for the Tic USB Multi-Interface Stepper Motor Controllers (23k zip)
This file contains DXF drawings that show the locations of the holes on all of the different Tic PCBs.
TB67S249FTG datasheet (533k pdf)
UM10204 I²C-bus specification and user manual (1MB pdf)
The official specification for the I²C-bus, which is maintained by NXP.
Recommended links
Video: Getting Started with the Tic Stepper Motor Controllers
Getting up and running with your Tic stepper motor controller from Pololu is easy. This video will guide you through the basic steps to connect your Tic to its software and control a stepper motor from your computer.
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.
Tic Stepper Motor Controller library for Arduino
This is a library for the Arduino IDE that helps interface with a Tic Stepper Motor Controller using serial or I²C.
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