The Tic T834 USB Multi-Interface Stepper Motor Controller makes basic control of a stepper motor easy, with quick configuration over USB using our free software.
In stock in Australia
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Our Code: SKU-004348
Supplier Link: [Pololu MPN:3133]
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, analogue voltages for use with a potentiometer or analogue joystick, and quadrature encoder for use with a rotary encoder dial–and 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 Tic family currently has two members: the Tic T825, which operates from 8.5 V to 45 V, and the Tic T834, which operates from 2.5 V to 10.8 V. Both can deliver up to 1.5 A continuous per phase without a heat sink or forced air flow.
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Tic T834 USB Multi-Interface Stepper Motor Controller (Connectors Soldered). |
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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.
The user’s guide is available but not finished yet, and a software download for macOS is coming soon.
The Tic T834 is based on the DRV8834 IC from Texas Instruments. It can operate from 2.5 V to 10.8 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 A). This version is sold unassembled so soldering is necessary to use it.
Tic T834 USB Multi-Interface Stepper Motor Controller (without connectors soldered) with included headers and terminal blocks.
A version is also available that requires no soldering to use as the terminal blocks and main header pins are already installed.
| Size: | 1.50″ × 1.05″ × 0.42″1 |
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| Weight: | 5.1 g1 |
| Model: | Tic T834 |
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| Motor driver: | DRV8834 |
| Control interface: |
USB; non-inverted TTL serial; I²C; RC servo pulses; analogue voltage; quadrature encoder |
| Minimum operating voltage: | 2.5 V |
| Maximum operating voltage: | 10.8 V |
| Continuous current per phase: | 1.5 A2 |
| Maximum current per phase: | 2 A3 |
| 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 |
| PCB dev codes: | tic02a |
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| Other PCB markings: | 0J10607 |
Tic Stepper Motor Controller User’s Guide
User’s manual for the Pololu Tic USB Stepper Motor Controller.
Yes. 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.
If you do want to use a lower motor supply voltage for other reasons, consider using the Tic T834, which offers the same features as the T825 and operates from 2.5 V to 10.8 V.
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