The Elmos System-Basis-Chip (SBC) family E523.03/04/13/14 controls one low-side driven relay or one high-side driven relay. The relay holding current can be programmed by the external micro-controller via the PWM input pins.
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  • Voltage range 7V to 28V (5V to 42V peak)
  • Controlling 1 low side driven relay or 1 high side driven relay
  • Relay pull-in and holding current can be controlled via PWM input
  • Power supply 3.3V or 5V for external controller
  • LIN2.x(1.3),SAE-J2602 interface or bidirectional PWM
  • Several Diagnostic and protection functions
  • Adjustable window watchdog
  • TJunc peak = +170°C


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File Description Type
Info Sheet PDF 150 kB

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File Description
E523.03/04/13/14 | Data Sheet

Application Diagram


  • LIN 2.x or LIN 1.3 relay nodes

Ordering Information

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Part No. Features Package Order No.
E523.03 LIN2.x or PWM interface QFN20L4 E52303A52C
E523.03 LIN2.x or PWM interface QFN32L5 E52303A61C
E523.04 LIN2.x or PWM interface QFN20L4 E52304A52C
E523.04 LIN2.x or PWM interface QFN32L5 E52304A61C
E523.13 PWM interface only QFN20L4 E52313A52C
E523.13 PWM interface only QFN32L5 E52313A61C
E523.14 PWM interface only QFN20L4 E52314A52C
E523.14 PWM interface only QFN32L5 E52314A61C
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