Overview
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 our 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 |
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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) |
| Max current per phase (no additional cooling): |
1.5 A | 1.5 A | 1.5 A |
| Microstep resolutions: | full half 1/4 1/8 |
full half 1/4 1/8 1/16 1/32 |
full half 1/4 1/8 1/16 1/32 |
| Automatic decay selection: |  |
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| Price (connectors not soldered): | $19.95 | $29.95 | $29.95 |
| Price (connectors soldered): | $21.95 | $31.95 | $31.95 |
1 See product pages and user’s guide for operating voltage limitations.
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Tic T825 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 T500 USB Multi-Interface Stepper Motor Controller, bottom view with dimensions. |
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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).
- Up to six different microstep resolutions:
- The Tic T825 and Tic T834 supports full step, half step, 1/4 step, 1/8 step, 1/16 step, and 1/32 step
- The Tic T500 supports full step, half step, 1/4 step, 1/8 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
- STEP/DIR outputs for controlling external stepper motor drivers
- 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
Details for item #3135
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The Tic T500 is based on the MP6500 IC from Monolithic Power Systems. This driver IC features automatic decay mode selection, using internal current sensing to automatically adjust the decay mode as necessary to provide the smoothest current waveform. The Tic T500 can operate from 4.5 V to 35 V and can deliver up to approximately 1.5 A continuous per phase without a heat sink or forced air flow (the peak current per phase is 2.5 A). This version is sold unassembled so soldering is necessary to use it.
Powering the Tic T500 with a supply voltage between 4.5 V and 5.5 V might cause its logic voltage to be lower than normal, which could affect operation. See the user’s guide for more information.
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Tic T500 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.
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