
Pololu's Tic T825 USB multi-interface stepper motor controller, from their own CAD: a 38.10 × 28.57 mm board rated 8.5–45 V, 1.5 A, with 0.1 inch pads down both edges and a 6-way screw terminal block for motor and power.
One of the Tic Stepper Motor Controller family.
- Made by
Pololu
- Kind
- Circuit board (PCB)
- Licence
- CC-BY-SA-4.0
- Keywords
- pololu, tic, stepper, motor, controller, usb, i2c, serial, driver, t825, drv8825
| Overall size (X × Y × Z) | 38.8 × 28.1 × 13.7 mm |
|---|---|
| PCB size | 38.1 × 26.7 mm |
| PCB thickness | 1.6 mm |
| Mounting holes | 2 × Ø2.2 mm |
| Through-hole pads | 39 |
| Components | 60 |
| Function | stepper motor controller |
| Chip | DRV8825 |
| USB connector | Micro-B |
| Interface | USB, TTL serial, I2C, RC, analog, quadrature encoder |
| Supply voltage | 8.5-45 V |
| Current | 1.5 A |
| Microstepping | up to 1/32 |
| Qty | Part | Value | References | Datasheet |
|---|---|---|---|---|
| × 22 | SMD Resistor0603 | B11, B12, B14, B18, B20, B21, B22, B24, B25, B28, B29, B30, B36, B39, B40, B42, B43, B45, B53, B54, B56, B59 | RC_L series datasheet (Yageo) | |
| × 15 | SMD Capacitor0603 | B2, B6, B7, B8, B15, B23, B27, B34, B35, B38, B41, B44, B49, B50, B55 | X7R SMD MLCC series datasheet (KEMET) | |
| × 4 | SMD Resistor1206 | B3, B4, B31, B32 | RC_L series datasheet (Yageo) | |
| × 3 | SMD DiodeSOD-323 | B47, B51, B58 | ||
| × 2 | SMD Capacitor1206 | B46, B60 | X7R SMD MLCC series datasheet (KEMET) | |
| × 2 | SOTSOT-23-3 | B13, B48 | ||
| × 1 | Headermale · 10 · 1 | B5 | TSW through-hole male header datasheet (Samtec) | |
| × 1 | QFN / DFNQFN-40 6x6 P0.5 | B19 | ||
| × 1 | QFN / DFNPowerDI3333-8 | B52 | ||
| × 1 | SMD Crystal2520 4-pin | B10 | ||
| × 1 | SMD Electrolytic Capacitor6.3x7.7 | B17 | UCD series datasheet (Nichicon) | |
| × 1 | SMD LED0603 · yellow | B16 | ||
| × 1 | SMD LED0603 · white | B26 | ||
| × 1 | SMD LED0603 · green | B37 | ||
| × 1 | SOIC / SSOP / TSSOPSOT-223 | B33 | ||
| × 1 | SOIC / SSOP / TSSOPTSSOP-28 | DRV8825 | U1 | DRV8825 datasheet (Texas Instruments) |
| × 1 | Terminal Block3.5 · 6 | B1 | PT 1,5 3.5 mm datasheet (Phoenix Contact) | |
| × 1 | USB ReceptacleMicro-B | B57 |






