Single-Wire Can Transceiver

MC33897 Active

The NXP® MC33897 series provides a physical layer for digital communication using a Carrier Sense Multiple Access/Collision Resolution (CSMA/CR) data link operating over a single wire medium. This is commonly referred to as single-wire Controller Area Network (SWCAN).

  • CAN bus operates with a single wire
  • Operates directly from a vehicle's 12 V battery system or a broad range of DC-power sources at low or high (33.33 kbps or 83.33 kbps) data rates
  • A high-voltage wake-up feature allows the device to control the regulator used in support of the MCU and other logic
  • Complies with the GMW3089v2.4 General Motors Corporation specification

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Block Diagram

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MC33897

MC33897 Block Diagram

MC33897 Application

MC33897 Application Block Diagram
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Features

Key Features

  • Waveshaping for low Electromagnetic Interference (EMI)
  • Detects and automatically handles loss of ground
  • Worst-case sleep mode current of only 60 μA
  • Current limit prevents damage due to bus shorts
  • Built-in thermal shutdown on bus output
  • Protected against vehicular electrical transients
  • Under-voltage lockout prevents false data with low battery

Part numbers include: MC33897CTEF.

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