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Related Links:

Datasheets:
PG001M: Parallel-to-Serial Data Converter (PDF)

when this product is updated

PG001M
Parallel-to-Serial Data Converter

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.

Features

• Intended For Use With SLA7042M or SLA7044M
• Microstepping, Unipolar PWM, High-Current Motor Drivers
• Supports Five Stepper-Motor Operating Modes
• µP-Compatible Inputs

Description

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:

1. normal, two-phase, full step (100% torque vector),
2. two-phase 'boosted' torque (141% torque vector),
3. half-step, constant torque operation (using a 2-1-2 output switching),
4. quarter-stepping utilizing ratioed currents for constant torque, and
5. microstepping (1/8^th steps) for quiet, smooth, resonance-free motor performance.

Functional Block Diagram

Complete Part Numbers

Part Number	Package Type	RoHS Compliant	Part Composition/ RoHS Data	Temperature	Comments	Samples	Distributor Stock
PG001M	16-pin DIP	Yes	--	-20 °C to  85 °C	not for new design	samples not available

Allegro's products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the failure of that life support device or system, or to affect the safety or effectiveness of that device or system.