Ultra-silent motor driver IC for two-phase stepper motors
The TMC2209 is an ultra-silent motor driver IC for two-phase stepper motors.
|
Pin Name |
Description |
|
VDD & GND |
Connected to 5V and GND of Controller |
|
VM & GND |
Used to power the motor |
|
M1A, M1B, M2A, M2B |
Output Pins, Connected to the 4 Wires of motor |
|
DIR |
Motor Direction Control pin |
|
STEP |
Steps Control Pin |
|
MS1, MS2 |
Microstep Selection Pins |
|
FAULT |
Fault Detection Pin |
|
PDN_UART |
UART and Auto Power Down Control: GND=on, VIO=off |
|
CLK |
Clock Input |
|
SPRD |
Chopper mode selection: Low=StealthChop, High=SpreadCycle |
|
DIAG |
Diagnostics Output (VIO=error) |
|
INDEX |
Index Output (one pulse per each four fullsteps) |
|
EN |
Enable Motor Outputs (GND=on, VIO=off) |
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