Description

The IC drives 2 or 3 unipolar stepper motors and provides an optional stall detection for end position detection. For LED dimming a quasi logarithmic duty cycle is following the physiology of the human eye. With 3 PWM... read more

Features

  • 12 high current outputs (RDSON typ. 1.5Ω / IMAX = 350mA)
  • Low standby current (typically <1μA)
  • Serial interface (SPI) for direct μC interfacing
  • Short circuit / Open load detection, diagnosis
  • Stall detection for full-/half-step, wave drive
  • Stall detection qualification service
  • TJunc peak = +150°C

Documentation

Document Description Type
Info Sheet PDF 653 kB

Application diagram

Applications

  • Stepper Motor Driver with/without Stall Detection
  • Headlight Adjust
  • HVAC Flaps
    HVAC Fan
  • DC Motor Driver with PWM
  • Relay Driver with VBAT- automatically PWM
  • LED Driver with 3 logarithmic PWM sources

Order Information

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Samples

Part No. Channels Stall Detection Package Order No.
E520.03 8 X QFN20L5 E52003A62C
E520.03 8 X QFN32L5 E52003A61C
E520.03 8 X SOIC20 E52003A55E


Boards

Part No. Function Board type Order No.
E520.01
also for
E520.02,
E520.03,
E520.08
12x Low-Side for 3 Stepper Motors with/without Stall Detection Demo- / Evaluation Board K52001-0001