The Elmos System-on-a-Chip (SoC) family E523.3x controls four high-side driven relays, alternatively two of them lowside driven, or three bistable relays (activation in sequential order). The low-side driven relay holding... read more


  • Controls 4 high side driven relays or 2 low side driven relays or 3 bistable relays
  • Programmable holding current for low-side up to 800mA
  • 5.5V to 20V supply voltage (load dump 42V)
  • Embedded 8bit μC 256 Byte RAM, 8k FLASH + 4k SysROM,
    64 Byte E²
  • LIN2.x(1.3),SAE-J2602 or PWM Interface, LIN Auto-Addressing
  • TJunc peak = +170°C


Free Download

File Description Type
Info Sheet PDF 159 kB

Application Diagram


  • LIN 2.x or LIN 1.3 relay nodes

Ordering Information

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Part No. Features Package Order No.
E523.30 LIN or PWM-interface,
LIN auto-addressing,
8k customer FLASH
QFN32L6 E52330C77B
E523.31 LIN with firmware (FLASH) QFN32L6 E52331C77B
E523.34 PWM interface
8k customer FLASH
QFN32L6 E52334C77B
E523.37 LIN or PWM with 8k customer FLASH QFN32L6 E52337C77B
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