BTT TMC2209 v1.2 Stepper Driver
$5.99
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BIGTREETECH TMC2209 v1.2 is a quiet StepStick-format driver for two-phase 3D-printer stepper motors. Use it for standard plug-in driver sockets when you want UART control, STEP/DIR compatibility, StealthChop2 quiet motion, and up to 2.0A RMS / 2.8A peak drive current.
Why this over a basic stepper driver?
- Quieter motion: the TMC2209 platform supports StealthChop2 for low-noise movement and SpreadCycle for higher dynamic load.
- UART or STEP/DIR: works in standard STEP/DIR setups and can be configured over UART on compatible controller boards.
- Sensorless homing support: StallGuard4 can report motor load/stall conditions when the firmware and board wiring support it.
- CoolStep current control: dynamic current regulation can reduce heat and power draw in supported configurations.
Specifications
- Manufacturer: BIGTREETECH / BIQU
- Model: TMC2209 v1.2 Stepper Driver
- Driver IC: TMC2209 for two-phase stepper motors
- Motor supply voltage: 4.75–28V DC
- Current rating: 2.0A RMS, 2.8A peak
- Microstepping: 2, 4, 8, 16 with interpolation up to 256 microsteps
- Control modes: UART or STEP/DIR
- Sense resistor: 0.110Ω
- Board size: 15.24 × 20.32mm
- Firmware fit: Klipper or Marlin on compatible 3D-printer control boards
Fitment and alternatives
- Use this for standard StepStick-style sockets on compatible 3D-printer controller boards.
- If your BTT board uses EZ-driver sockets, use the BTT EZ2209 Stepper Motor Driver instead.
- If you are choosing newer driver features rather than a drop-in TMC2209 replacement, compare against the BTT TMC2240 Stepper Motor Driver.
Installation notes
- Do not hot-plug stepper drivers. Power the controller off before installing or removing the module.
- Confirm socket orientation before insertion; reversed installation can damage the driver or control board.
- Add airflow or heatsinking appropriate to your run current and enclosure temperature.
- This is not an EZ-format or SPI-format driver module.
