A4975SB-T is a Full-Bridge PWM Microstepping Motor Driver from Allegro, but it’s currently EOL. One suggested replacement is A4975SLBTR-T from Allegro and it is 16 pin SOIC package.
| Manufacturer Part Number | A4975SB-T | A4975SLBTR-T |
|---|---|---|
| Status | Obsolete | Active |
| Function | Internal PWM current control | Internal PWM current control |
| Steps Mode | full-, half-, quarter-, eighth-step modes | full-, half-, quarter-, eighth-step modes |
| Output Current | ±1.5 A | ±1.5 A |
| Output Voltage Rating | 50V | 50V |
| Operating Ambient Temperature | -20 to 85°C | -20 to 85°C |
| Package | 16 pin DIP | 16 pin SOIC |
For more information on suggested replacement see the full manufacturer datasheet.
Please review the datasheets to ensure the alternative will work for your application.