SLVAFO8A April 2024 – May 2024 DRV8214 , DRV8234
The tuned parameters can be found in Table 3-5. Please assume default values for the writable register values not mentioned. Please note that it is advisable to turn on the error corrector (DIS_EC=0b) only while PWM-ing since current waveform is noisy.
Parameter/Register | Bits/Decimals | Value |
---|---|---|
EN_RC | 1b | - |
W_SCALE | 01b | 32 rad/s |
INV_R_SCALE | 10b | 1024 |
INV_R | 0x66 | 102 |
KMC_SCALE | 01b | 24 × 29 |
KMC | 0xFC | 252 |
FLT_GAIN_SEL | 11b | 16 |
FLT_K | 0110b | 6 |
The following sections demonstrate the performance of the ripple counting algorithm in various situations. Please note that: