The Elmos Driver ICs E520.02 control twelve lowside switched relays. The ICs autonomously generate a constant relay holding current in a wide supply voltage range. A special circuit generates a PWM duty-cycle which... read more


  • 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
  • TJunc peak = +150°C


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File Description Type
Info Sheet PDF 156 kB

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File Description
E520.02/08 | Data Sheet

Application Diagram


  • Relay Driver with automatically VBAT- dependent WM duty cycle generation
  • Low power dissipating relay boards

Ordering Information

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Part No. Features Package Order No.
E520.02 control 12 low-side
switched relays
QFN32L5 E52002A61C
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