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


  • Bipolar stepper motor driver
    (alternatively driving 1 or 2 brushed DC motors )
  • "Stop/Start" & "cold crank" compliant
  • 5V..28V motor run; VBAT,max 40V (42V for 500ms)
  • 3.3V or 5V SPI interface (16bit & 24bit mode)
  • 8μA typ. sleep mode current
  • 1/1, 1/2, 1/4, 1/8, 1/16, 1/32 stepping resolution
  • 1.2A / 0.8A / 0.4A programmable coil current-ranges
  • 8 bit current resolution / 6 bit waveform scaling
  • 32 * 8 bit waveform: sinus or "free programmable"
  • 500 mΩ RDS,on_(typ.) per output driver
  • Diagnosis features with interrupt enable functionality
  • 8kV HBM motor pin ESD (with external capacitor)
  • TJunc peak = +170°C,


Document Description Type
Info Sheet PDF 129 kB

Application diagram


  • Stepper Motor Driver with/without Stall Detection
  • Headlight Adjust
  • HVAC Flaps
  • Cruise Control
  • Grille Shutter
  • Valves, Flaps, Fans, Pumps

Order 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


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