MC33388DR2

Controllers Overview

The MC33388DR2 is a fault-tolerant CAN physical layer interface designed for automotive body electronics. It supports differential and single-wire transmission modes with baud rates from 10kBaud to 125kBaud. The device operates on a VDD supply of 4.75V to 5.25V and a VBAT supply of 6V to 27V, sustaining up to 40V during load dump conditions. Typical standby current is 15µA. It features internal bus driver slope control to minimize RFI, thermal protection at 165°C, and automatic switching to single-wire mode during bus failures.

Controllers Feature Summary

• Automatic transition to single-wire transmission mode upon detection of specific bus wiring faults, ensuring continued communication.
• Integrated wake-up logic supporting both local pin triggers and remote bus activity signals.
• Comprehensive protection against short circuits to battery, ground, and VDD, along with thermal shutdown capabilities.

Controllers Applications

• Automotive body electronic multiplexing systems
• Low-speed CAN networks requiring fault tolerance
• Applications utilizing unshielded twisted pair bus configurations

Controllers Procurement Notes

Verify the component status as archived or obsolete through official NXP channels before design finalization. Confirm that the SO-14 package availability meets project requirements. Ensure compatibility with existing voltage regulators controlled by the INH pin. Review the datasheet for any specific handling instructions related to its archived status.

Controllers Selection Notes

Select this device for applications requiring robust fault tolerance in low-speed automotive networks. It is suitable where ground shifts up to 1.5V are expected. Consider the 125kBaud maximum speed limit. Verify that the external voltage regulator connected to the INH pin aligns with the system power management strategy.

Controllers Part Context

The MC33388 is a dedicated CAN transceiver for automotive body electronics. Originally manufactured by Motorola and later Freescale Semiconductor, it is now part of the NXP portfolio. The DR2 suffix indicates the SO-14 plastic package variant. It addresses the need for reliable communication in harsh automotive environments with minimal external components.

Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the product is archived, consult NXP directly for potential replacement recommendations or legacy support options.