MC1131A

Advanced Brushless Motor Control Chipset Features Supports 3-phase as well as 2-phase brushless motors Performs trajectory generation, servo loop closure, and commutation Ultra-smooth sinusoidal commutation Open or closed loop operation Software and feature-compatible with other 1st generation PMD chipsets Available in 1 or 2 axis configurations 32-bit position, velocity, acceleration and jerk trajectory profile registers Choice of S-curve, trapezoidal, or contoured velocity profile modes Electronic Gearing Two travel-limit switches per axis Choice of PWM or DAC motor output signals Easy-to-use packet-oriented command protocol Commutation Waveforms 3-Phase Brushless Phase A Phase B Phase C MC1231A MC1131A General Description The MC1231A is a dedicated motion processor which functions as a complete chip-based motor controller. Packaged in a 2-IC chipset, this device performs trajectory generation, servo loop closure, and sinusoidal commutation. The chipset inputs incremental encoder signals and outputs PWM or DAC-compatible motor command signals. The MC1231A is available in a one, or a two-axis configuration. The MC1231A is functionally similar to other members of PMD's 1st generation chipset family however it adds the ability to perform sinusoidal commutation of brushless motors. All of these devices provide sophisticated motion control capabilities allowing the creation of complex profile sequences with very low tracking errors. Both two and three-phase brushless motors ar...