LIN Transceiver with Integrated Voltage Regulator

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Block Diagram

TJA1028 Block Diagram

TJA1028 Block Diagram



  • LIN 2.0/2.1/2.2 compliant
  • SAE J2602 compliant
  • Downward compatible with LIN 1.3
  • Internal LIN follower termination resistor
  • Voltage regulator offering 5 V or 3.3 V, 70 mA capability
  • ±2 % voltage regulator accuracy over specified temperature and supply ranges
  • Voltage regulator output undervoltage detection with reset output
  • Voltage regulator is short-circuit proof to ground
  • Voltage regulator stable with ceramic, tantalum and aluminum electrolyte capacitors
  • Robust ESD performance; ±8 kV according to IEC61000-4-2 for pins LIN and VBAT
  • Pins LIN and VBAT protected against transients in the automotive environment (ISO 7637)
  • Very low LIN bus leakage current of < 2 μA when battery not connected
  • LIN pin short-circuit proof to battery and ground
  • Transmit data (TXD) dominant time-out function
  • Thermally protected
  • Very low electromagnetic emission (EME)
  • High electromagnetic immunity (EMI)
  • Typical Standby mode current of 45 μA
  • Typical Sleep mode current of 12 μA
  • LIN bus wake-up function
  • K-line compatible
  • Dark green product (halogen free and restriction of hazardous substances (RoHS) compliant)


  • Available in SO8 and HVSON8 packages
  • Leadless HVSON8 package (3.0 mm x 3.0 mm) with improved automated optical inspection (AOI) capability


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