High-Speed CAN Transceiver with Standby and Sleep Mode


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Block Diagram

Block diagram: TJA1041T


General Features

  • Optimized for in-vehicle high-speed communication
  • Fully compatible with the ISO 11898 standard
  • Communication speed up to 1 Mbit/s
  • Very low ElectroMagnetic Emission (EME)
  • Differential receiver with wide common-mode range, offering high ElectroMagnetic Immunity (EMI)
  • Passive behavior when supply voltage is off
  • Automatic I/O-level adaptation to the host controller supply voltage
  • Recessive bus DC voltage stabilization for further improvement of EME behavior
  • Listen-only mode for node diagnosis and failure containment
  • Allows implementation of large networks (more than 110 nodes)

Low-Power Management

  • Very low-current in Standby and Sleep mode, with local and remote wake-up
  • Capability to power-down the entire node, still allowing local and remote wake-up
  • Wake-up source recognition

Protection and Diagnosis (Detection and Signaling)

  • TXD dominant clamping handler with diagnosis
  • RXD recessive clamping handler with diagnosis
  • TXD-to-RXD short-circuit handler with diagnosis
  • Overtemperature protection with diagnosis
  • Undervoltage detection on pins VCC, VI/O and VBAT
  • Automotive environment transient protected bus pins and pin VBAT
  • Short-circuit proof bus pins and pin SPLIT (to battery and to ground)
  • Bus line short-circuit diagnosis
  • Bus dominant clamping diagnosis
  • Cold start diagnosis (first battery connection)


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