The MC33389 is a monolithic integrated circuit combining many functions frequently used by automotive ECUs. It incorporates a low speed fault tolerant CAN transceiver.

? Dual Low Drop Voltage Regulators, with Respectively 100mA and 200mA Current Capabilities, Current Limitation and Over Temperature Detection with Prewarning

? 5V Output Voltage for V1 Regulator

? Three Operational Modes (Normal, Standby and Sleep Mode) Separated from the CAN Interface Operating Modes

? Low Speed 125kBaud Fault Tolerant CAN Interface, Compatible with MC33388 Standalone Physical Interface

? V1 Regulator Monitoring and Reset Function

? Three External High Voltage Wake-up Inputs, Associated with V3 Vbat Switch

? 100mA Output Current Capability for V3 Vbat Switch Allowing Drive of External Switches or Relays

? Low Standby and Sleep Current Consumption

? Vbat Monitoring and Vbat Failure Detection Capabilities

? DC Operating Voltage up to 27V

? 40V Maximum Transient Voltage

? Programmable Software Window Watchog and Reset

? Wake up Capabilities (CAN Interface, Local Programmable Cyclic Wake up)

? Interface with MCU through SPI

? Programmable Interupt Function