| 摘要 |
A method and an apparatus that permit the detection of multiple overcurrent thresholds, providing system protection particularly but not exclusively in brushless DC motor drive systems, but using only one comparator device instead of multiple comparator devices. The disclosed embodiments predict a higher overcurrent condition based on the time it takes to detect a lower overcurrent condition. Because of the predictive nature of the invention, the higher overcurrent conditions are detected much faster than when using conventional circuitry. |
