These parts are in production but NOT FOR NEW DESIGN. This classification is used to restrict business to only current customer applications. Samples are not available. Obsolescence in the near future is probable. For new customers or new applications, please refer to the SLA7060M, SLA7061M, and SLA7062M.
The PG001M CMOS IC converts parallel-data signals from a low-cost, 8-bit microprocessor or microcontroller into a serial-data format compatible with the SLA7042M and SLA7044M power multi-chip modules to drive unipolar PWM, high-current stepper motors. The converter provides for five basic modes of operation:
- normal, two-phase, full step (100% torque vector),
- two-phase 'boosted' torque (141% torque vector),
- half-step, constant torque operation (using a 2-1-2 output switching),
- quarter-stepping utilizing ratioed currents for constant torque, and
- microstepping (1/8th steps) for quiet, smooth, resonance-free motor performance.