MC34903 | SBC with CAN High-Speed and LIN Interface

Overview

The NXP^® MC34903 is an analog companion chip for the MCU and combines several voltage regulators, interface, monitoring and control, and other features to enhance present module designs targeting the industrial market.

Built-in enhanced high-speed CAN interface (ISO11898-2 and -5) with local and bus failure diagnostics, protection, and fail-safe operation modes
The SBC may include zero or one LIN 2.1 interface with LIN output pin switches
It includes up to three wake-up input pins that can also be configured as output drivers for flexibility
This device is powered by SMARTMOS^® technology

Features

Voltage regulator for MCU, 5.0 or 3.3 V, part number selectable, with possibility of usage external PNP to extend current capability and share power dissipation
Very low quiescent current in LP modes
Fully protected embedded 5.0 V regulator for the CAN driver
Multiple undervoltage detections to address various MCU specifications and system operation modes
Auxiliary 5.0 or 3.3 V SPI configurable regulator, for additional ICs, with overcurrent detection and undervoltage protection
MUX output pin for device internal analog signal monitoring and power supply monitoring
Advanced SPI, MCU, ECU power supply, and critical pins diagnostics and monitoring
Multiple wake-up sources in LP modes: CAN or LIN bus, I/O transition, automatic timer, SPI message, and VDD overcurrent detection
ISO11898-5 high-speed CAN interface compatibility for baud rates of 40 kb/s to 1.0 Mb/s
Scalable product family of devices ranging from 0 to 1 LIN, compatible to J2602-2 and LIN 2.1

Features

Voltage regulator for MCU, 5.0 or 3.3 V, part number selectable, with possibility of usage external PNP to extend current capability and share power dissipation
Very low quiescent current in LP modes
Fully protected embedded 5.0 V regulator for the CAN driver
Multiple undervoltage detections to address various MCU specifications and system operation modes
Auxiliary 5.0 or 3.3 V SPI configurable regulator, for additional ICs, with overcurrent detection and undervoltage protection
MUX output pin for device internal analog signal monitoring and power supply monitoring
Advanced SPI, MCU, ECU power supply, and critical pins diagnostics and monitoring
Multiple wake-up sources in LP modes: CAN or LIN bus, I/O transition, automatic timer, SPI message, and VDD overcurrent detection
ISO11898-5 high-speed CAN interface compatibility for baud rates of 40 kb/s to 1.0 Mb/s
Scalable product family of devices ranging from 0 to 1 LIN, compatible to J2602-2 and LIN 2.1