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 sources... read more


  • 8 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


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File Description Type
Info Sheet PDF 653 kB

On Request

File Description
E520.03 | Data Sheet

Application Diagram


  • Stepper motor driver with stall detection
  • DC motor driver with PWM
  • Relay driver with VBAT- automatically PWM
  • LED driver with 3 logarithmic PWM sources

Ordering Information

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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


Part No. Function Board type Order No.
also for
12x Low-Side for 3 Stepper Motors with/without Stall Detection Demo- / Evaluation Board K52001-0001
*Plug & Play Chip with defined functionality | no controller programming necessary
*SoC System-on-a-Chip | with integrated microcontroller
*SBC System-Basic-Chip | with Voltage Regulator Reset, Watchdog, physical Interface
*Driver IC Driver Chip without SBC or SoC features
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