E523.39 is a high-precision automotive bipolar stepper motor driver for up to Tjunc.=170°C and phase currents up to 1.2A, with SPI interface and <10μA sleep current. Very low acoustical noise emission features are down to... read more


  • 5V..28V motor run; VBAT,max 40V (42V for 500ms)
  • “Stop/Start” & “cold crank” compliant
  • Stall-Detection
  • Fail-Current-Detection
  • Adaptive-Holding and Running-Torque supported
  • Custom Current Waveform: increase of speed and
    peak power at high temperatures or low VBAT
  • AEC-Q 100 Grade 0


Free Download

File Description Type
Info Sheet PDF 129 kB

On Request

File Description
E523.39 Data Sheet | Errata Sheet

Application Diagram


  • Automotive, High-Temperature, Industrial
  • 4-phase positioning actuators, fans, pumps

Ordering Information

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Part No. Temp. Range Package Order No.
E523.39 -40°C to +170°C QFN20L5 E52339A62C
E523.39 -40°C to +170°C QFN32L6 E52339A77B


Part No. Function Board type Order No.
E523.39 - Evaluation Board K52339-0001
E523.39 - Smart-GUI Kit K52339-0002


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