Tic T249 USB Multi-Interface Stepper Motor Controller (Connectors Soldered)
If you want a stepper controller that can be driven by almost anything—PC, Arduino/ESP32, joystick/potentiometer, rotary encoder dial, or RC receiver—the Tic T249 is a clean, modern choice. You can configure it quickly over USB using Pololu’s free software, then run it through the interface that fits your project best.
This variant ships with header pins + terminal blocks already soldered, so you can start wiring immediately—no soldering needed.
Control it your way
- USB (direct PC connection for setup + control)
- TTL serial and I²C (microcontroller-friendly)
- Analog (potentiometer / joystick)
- Quadrature encoder (dial control)
- RC servo pulses (hobby radio control)
- STEP/DIR inputs (compatibility with common stepper firmware)
Why/Benefits
- Fast setup: set current limit, speed, acceleration, and safety behavior via free configuration software.
- Smoother motion: microstepping up to 1/32 helps reduce vibration and noise.
- High-voltage headroom: 10–47V lets you push higher step rates (while limiting coil current properly).
- Smarter driver tech: Toshiba TB67S249FTG features like Active Gain Control and dynamic decay control help reduce heat and improve high-speed smoothness.
- Safety inputs: optional limit switches with homing + optional kill switch inputs for safer motion builds.
Technical specifications
| Model | Tic T249 (Connectors Soldered) |
|---|---|
| Motor supply | 10V to 47V |
| Driver IC | Toshiba TB67S249FTG |
| Current | ~1.8A per phase continuous (no heatsink/forced air); 4.5A per phase peak with sufficient cooling |
| Control interfaces | USB, TTL serial, I²C, analog voltage, quadrature encoder, RC servo pulses, STEP/DIR inputs |
| Microstepping | Full step to 1/32 step |
| Max step rate | Up to 50,000 steps/second |
| Extras | Digitally adjustable current limit, accel/decel limiting, 5V regulator (no external logic supply), optional limit switches + homing, optional kill switch inputs |
| Connectors | Header pins + terminal blocks soldered (ready to wire) |
Pinout & power notes
- Motor: connect your stepper coil pairs to A1/A2 and B1/B2.
- Power: use a stable supply within 10–47V, sized for your current limit and motor load.
- USB: connects via Micro-B (cable not included).
FAQ
-
Can I control it from Arduino or ESP32?
Yes—use TTL serial or I²C for a clean interface, or STEP/DIR inputs if you’re using existing stepper firmware.
-
Do I need to solder anything?
No—this version comes with the connectors already soldered.
-
Is 47V really supported?
Yes, it’s designed for 10–47V motor supplies. Just make sure your wiring and power supply are appropriate and add cooling if pushing high current.
Tic T249 USB Multi-Interface Stepper Motor Controller
Tic T249 USB Multi-Interface Stepper Motor Controller
Low stock: 1 left
Product Code
SKU:POL3138
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