STSPIN220 Stepper motor driver with microstep control
Stepper motor driver with integrated power bridges, PWM current control, step/mode selection, enable and open-drain fault output, low-consumption standby. QFN-16 3x3 mm, exposed pad to GND.
Aliase:STSPIN220
QFN-16 (3x3 mm) Top View
17 Pins
Pinout Table17
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | DIR\MODE4 | Digital | Direction inputStep mode selection input 4 |
| 2 | STCK\MODE3 | Digital | Step clock inputStep mode selection input 3 |
| 3 | OUTA1 | Digital | Power bridge output side A1 |
| 4 | SENSEA | Digital | Sense output of bridge A |
| 5 | OUTA2 | Digital | Power bridge output side A2 |
| 6 | VS | Power | Device supply voltage |
| 7 | GND | Ground | Device ground |
| 8 | OUTB2 | Digital | Power bridge output side B2 |
| 9 | SENSEB | Digital | Sense output of bridge B |
| 10 | OUTB1 | Digital | Power bridge output side B1 |
| 11 | REF | Analog | PWM current control reference voltage |
| 12 | TOFF | Analog | Internal oscillator frequency adjustment |
| 13 | EN\FAULT | Digital | Power stage enable, low turns stage offOpen-drain fault output, forced low on failure |
| 14 | STBY\RESET | Digital | Low consumption mode when forced low |
| 15 | MODE2 | Digital | Step mode selection input 2 |
| 16 | MODE1 | Digital | Step mode selection input 1 |
| EP | EPAD | Ground | Exposed pad, must be connected to ground |