TH8056KDC-AAA-008-RE

Drivers, Receivers, Transceivers Overview

The Melexis TH8056KDC-AAA-008-RE is a single-wire CAN transceiver designed for automotive B-class communication networks. It complies with GMW3089 V2.x and J2411 specifications, supporting CSMA/CR protocols like Bosch CAN 2.0. The device operates within a supply voltage range of 5V to 27V and supports bus speeds up to 40 kbps in normal mode and 100 kbps in high-speed download mode. Typical current consumption is 30 µA in sleep mode. It features integrated receiver filtering, low RFI output shaping, and protection against short circuits, thermal overload, and ESD (4 kV on CAN pins).

Drivers, Receivers, Transceivers Feature Summary

• Complies with GMW3089 V2.x and J2411 single-wire CAN specifications for B-class vehicle communication.
• Features ultra-low sleep mode power consumption independent of the CAN voltage range.
• Includes internal receiver debouncing and output waveform shaping to minimize radio frequency interference.
• Provides comprehensive protection including undervoltage lockout, thermal overload, and transient immunity.

Drivers, Receivers, Transceivers Applications

• Automotive body control modules requiring single-wire CAN connectivity.
• Low-cost serial data link networks where reduced physical medium component costs are prioritized.
• Assembly line service nodes utilizing high-speed data transfer modes for diagnostics.
• Systems integrating microprocessors or dedicated logic devices via standard 3.3V or 5V logic interfaces.

Drivers, Receivers, Transceivers Procurement Notes

Verify that the specific suffix -AAA-008-RE matches the required packaging and temperature grade from official Melexis documentation. Confirm compatibility with existing system designs by reviewing the latest datasheet revisions. Ensure that software implementations account for the recommended 100µs debounce period following local wake-up events to prevent unintended receiver pulses.

Drivers, Receivers, Transceivers Selection Notes

Select this component when designing for B-class automotive networks requiring single-wire CAN compliance. Consider the 5V to 27V operating range and 30µA sleep current for power-sensitive applications. Evaluate the need for high-speed download capabilities if assembly line service integration is required. Verify that the 14-pin package aligns with the PCB layout constraints and thermal management requirements of the target design.

Drivers, Receivers, Transceivers Part Context

The TH8056 series serves as a physical layer interface for single-wire data links in automotive environments. It enables cost-effective networking by reducing the number of wires required between microprocessors and peripheral devices. The device supports various CSMA/CR protocols, ensuring interoperability with established standards such as Bosch CAN 2.0 while maintaining robust performance under varying electrical conditions.

Drivers, Receivers, Transceivers Replacement Considerations

Publicly documented pin-to-pin compatible replacements include the NXP AU5790. Verify functional equivalence and parameter alignment before substitution.

Drivers, Receivers, Transceivers FAQ

How should the MCU handle the RxD line during local wake-up?

The MCU must debounce the RxD line for at least 100µs after local wake-up to ignore potential startup pulses caused by regulator initialization.

What causes the brief RxD pulse observed during local wake-up?

The pulse results from the internal 5V regulator start-up sequence and the preferred switching behavior of the internal RS flip-flop.

Is the RxD interrupt necessary during active bus wake-up?

No, because the RXD line remains at a low level during active bus wake-up, preventing the occurrence of unintended pulses.