Dear,
I want to use the DRV8308 with maxon 402686 BLDC moto i use PWM register mode
My problem: How i n tune up the parameters of DRV83089 to work with this motor
www.maxonmotor.com/.../15-263-EN.pdf
Motor Spécification are :
| Values at nominal voltage | ||
|---|---|---|
| Nominal voltage | 36 V | |
| No load speed | 6330 rpm | |
| No load current | 166 mA | |
| Nominal speed | 5080 rpm | |
| Nominal torque (max. continuous torque) | 108 mNm | |
| Nominal current (max. continuous current) | 1.93 A | |
| Stall torque | 1100 mNm | |
| Stall current | 20.7 A | |
| Max. efficiency | 83 % | |
| Characteristics | ||
| Terminal resistance | 1.74 Ω | |
| Terminal inductance | 0.966 mH | |
| Torque constant | 53.3 mNm/A | |
| Speed constant | 179 rpm/V | |
| Speed / torque gradient | 5.85 rpm/mNm | |
| Mechanical time constant | 11.1 ms | |
| Rotor inertia | 181 gcm² | |
| Thermal data | ||
| Thermal resistance housing-ambient | 3.48 K/W | |
| Thermal resistance winding-housing | 4.13 K/W | |
| Thermal time constant winding | 21.9 s | |
| Thermal time constant motor | 174 s | |
| Ambient temperature | -40...+100 °C | |
| Max. winding temperature | +125 °C | |
| Mechanical data | ||
| Bearing type | ball bearings | |
| Max. speed | 10000 rpm | |
| Axial play | 0.14 mm | |
| Max. axial load (dynamic) | 3.8 N | |
| Max. force for press fits (static) | 50 N | |
| (static, shaft supported) | 1000 N | |
| Max. radial load | 21 N, 5 mm from flange | |
| Other specifications | ||
| Number of pole pairs | 8 | |
| Number of phases | 3 | |
| Number of autoclave cycles | 0 | |
