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A5984 - DMOS Microstepping Driver

General Description

The A5984 is a complete microstepping motor driver with built-in translator for easy operation.

It is designed to operate bipolar stepper motors from full-step up to 1/32 step modes.

Step modes are selectable by MSx logic inputs.

Key Features

  • Drop-in replacement for A4984.
  • Proprietary Adaptive Percent Fast Decay option.
  • Low RDS(on) outputs.
  • Single supply.
  • Microstepping up to 32 microsteps per full step.
  • Full torque step modes.
  • Short-to-ground protection.
  • Shorted load protection.
  • Short-to-battery protection.
  • Fault output.
  • Low current Sleep mode, < 10 µA.
  • No smoke no fire (NSNF) compliance (ET package).
  • Thin profile QFN.

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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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A5984 DMOS Microstepping Driver with Translator and Overcurrent Protection FEATURES AND BENEFITS • Drop-in replacement for A4984 • Proprietary Adaptive Percent Fast Decay option • Low RDS(on) outputs • Single supply • Microstepping up to 32 microsteps per full step • Full torque step modes • Short-to-ground protection • Shorted load protection • Short-to-battery protection • Fault output • Low current Sleep mode, < 10 µA • No smoke no fire (NSNF) compliance (ET package) • Thin profile QFN and TSSOP packages • Thermal shutdown circuitry • Synchronous rectification for low power dissipation • Internal UVLO • Crossover-current protection APPLICATIONS • Video Security Cameras • Printers • Scanners • Robotics • ATM • POS DESCRIPTION The A5984 is a complete microstepping motor driver with bu