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Ultra Silent Stepper Motor Driver TMC2209
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Overview
Ultra-silent motor driver IC for two-phase stepper motors
The TMC2209 is an ultra-silent motor driver IC for two-phase stepper motors.
- Max. output capacity: 28 V and ± 2 A
- Min. Operating Voltage: 4.75 V
- Max. Current Per Phase: 2 A
- Operates bipolar stepper motors from 1 to 1/256 step modes.
Pin Configuration
|
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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