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ELM310 - Stepper Motor Controller

General Description

The ELM310 is an interface circuit for use between high speed logic outputs and four phase stepper motor driver circuits.

By suitably debouncing mechanical switches, the circuit could also be used for manually controlling stepper motors as well.

Key Features

  • Low power CMOS design - typically 1mA at 5V.
  • Wide supply range - 3.0 to 5.5 volt operation.
  • Two inputs control both mode and motion.
  • No external timing components.
  • Completely static operation - will maintain a step position indefinitely.
  • High current drive outputs - up to 25 mA.
  • Both half and full stepping supported.
  • Very high speed - up to 25000 steps per second Connection Diagram PDIP and SOIC (top view) VDD 1 A2 Dir 3.

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Datasheet Details

Part number ELM310
Manufacturer ELM Electronics
File Size 25.02 KB
Description Stepper Motor Controller
Datasheet download datasheet ELM310 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ELM310 Stepper Motor Controller Description The ELM310 is an interface circuit for use between high speed logic outputs and four phase stepper motor driver circuits. By suitably debouncing mechanical switches, the circuit could also be used for manually controlling stepper motors as well. This circuit supports two popular modes of operation, and can be switched between the two ‘on the fly’. The full-step, or single phase wave mode, as it is sometimes called, is entered into at powerup. This mode provides sequential single phase output signals for driving a variety of circuits with only one output active at any one time. The other mode that the ELM310 supports is the half-step. In this case, there are eight distinct output patterns as opposed to the four for the full-step mode.