System Basis Chip with Low Speed Fault Tolerant CAN

The 33389 is a monolithic integrated circuit combining many functions frequently used by automotive Engine Control Units (ECUs). It incorporates a low speed fault tolerant CAN transceiver.

Features

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

? 5.0 V Output Voltage for V1 Regulator

? Three Operational Modes (Normal, Stand-by, and Sleep Modes) Separated from the CAN Interface Operating Modes

? Low Speed 125 kBaud Fault Tolerant CAN Interface, Compatible with 33388 Stand Alone Physical Interface

? V1 Regulator Monitoring and Reset Function

? Three External High Voltage Wake-Up Inputs, Associated with V3 VBAT Switch

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

? Low Stand-by and Sleep Current Consumption

? VBAT Monitoring and VBAT Failure Detection Capabilities

? DC Operating Voltage up to 27 V

? 40 V Maximum Transient Voltage

? Programmable Software Window Watchdog and Reset

? Wake-Up Capabilities (CAN Interface, Local Programmable Cycle Wake

? INterface with the MCU through the SPI

? Pb-Free Packaging Designated by Suffix Codes VW and EG