The latest version of the TMC2209 takes the UART out and uses the UART function directly, eliminating the need for more wiring. Both components have pulse/direction input, can be a completely independent operation. The configuration is implemented via a digital input.
Features
Voltage range: 3.3-5V
Maximum current: 1.2A per phase (continuous, with cooling), 2A peak per phase
Works with 3.3V and 5V signals
Supports up to 1/256-step
Supported configuration via CFG pins or UART
Has StealthChop technology for quieter stepper motors
Has SpreadCycl technology for smoother movements
Security built-in for high temperatures, high currents, low voltage, and short circuit
Comes with heatsink for better cooling
Specification
| Voltage Range | 4.75-29V DC |
| Maximum Current | 2A per phase, 2.8A peak per phase |
| Length (mm) | 21 |
| Width (mm) | 15 |
| Height (mm) | 13 |
| Weight (gm) | 6 |
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