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The TH8056 is a physical layer device for a single wire data link capable of operating with various CSMA/CR protocols such as the Bosch CAN version 2.0.

This serial data link network is intended for use in applications where a high data rate is not required and a lower data rate can achieve cost reductions in both the physical media components and the microprocessor and/or dedicated logic devices that use the network.

The network shall be able to operate in either the normal data rate mode or the high-speed data download mode for assembly line and service data transfer operations. The high-speed mode is only intended to be operational when the bus is attached to an off-board service node. This node shall provide temporary bus electrical loads which facilitate higher speed operation.

The bit rate for normal communications is typically 33.33kbit/s, for high-speed transmissions as described above a typical bit rate of 83.33kbit/s is recommended.

The TH8056 transceiver is designed in accordance with the single wire CAN physical layer specification GMW3089 V2.3 and supports many additional features like under-voltage lock-out, time-out for faulty blocked input signals, output blanking time in case of bus ringing and a very low sleep mode current.

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Top Features

  • Fully compatible with GMW3089 V2.3 and J2411 single wire CAN specification for class B in-vehicle communications

  • 30 µA typical power consumption in sleep mode independent from CAN voltage range

  • Operating voltage range 5V to 27V

  • Up to 40 kbps bus speed

  • Up to 100 kbps high-speed transmission mode

  • Logic inputs compatible with 3.3V and 5V supply systems

  • Control pin for external voltage regulators

  • Low RFI due to output wave shaping in normal and high voltage wake up mode

  • Fully integrated receiver filter

  • Bus terminals proof against short-circuits and transients in automotive environment

  • Loss of ground protection, very low leakage current (typ. 20µA at 27V and 125°C)

  • Protection against load dump, jump start

  • Thermal overload and short circuit protection

  • ESD protection of 4 kV on CAN pin (2kV on any other pin)

  • Under voltage lockout

  • Bus dominant time-out feature

  • 14-pin thermally enhanced and 8-pin SOIC package
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Single wire CAN transceiver accordance to GMW3089 V2.x - TH8056

Features and benefits

  • Fully compatible with GMW3089 V2.3 and J2411 single wire CAN specification for class B in-vehicle communications

  • 30 µA typical power consumption in sleep mode independent from CAN voltage range

  • Operating voltage range 5V to 27V

  • Up to 40 kbps bus speed

  • Up to 100 kbps high-speed transmission mode

  • Logic inputs compatible with 3.3V and 5V supply systems

  • Control pin for external voltage regulators

  • Low RFI due to output wave shaping in normal and high voltage wake up mode

  • Fully integrated receiver filter

  • Bus terminals proof against short-circuits and transients in automotive environment

  • Loss of ground protection, very low leakage current (typ. 20µA at 27V and 125°C)

  • Protection against load dump, jump start

  • Thermal overload and short circuit protection

  • ESD protection of 4 kV on CAN pin (2kV on any other pin)

  • Under voltage lockout

  • Bus dominant time-out feature

  • 14-pin thermally enhanced and 8-pin SOIC package
Used in these

Industries

  • Automotive - Transmission
  • Automotive - Powertrain
  • Automotive - Hybrid & Electric Powertrain
  • Automotive - Body, HVAC, Comfort & Lighting
  • Automotive - Chassis & Safety

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