SLLSEK2A June 2014 – March 2017 DRV8846
PRODUCTION DATA.
Table 11 gives design input parameters for system design.
DESIGN PARAMETER | REFERENCE | EXAMPLE VALUE |
---|---|---|
Nominal supply voltage | VM | 12 V |
Supply voltage range | 4 to 18 V | |
Motor winding resistance | RL | 3.0 Ω/phase |
Motor winding inductance | LL | 330 µH/phase |
Motor full step angle | θstep | 1.8°/step |
Target stepping level | nm | 1/8 step |
Target motor speed | v | 400 rpm |
Target chopping current | ICHOP | 500 mA |
Chopping current reference voltage | VREF | 3.3 V |
Current scaling | TORQUE | 100% |