E-L9637D013TR

Overview

The E-L9637D013TR is a monolithic integrated circuit containing standard ISO 9141 compatible interface functions, designed for automotive diagnostic applications. It operates within an operating supply voltage range of 4.5 V to 36.0 V, with transient tolerance up to 40 V. The device supports an operating temperature range from -40.0°C to 150.0°C and is housed in an SO-8 package. It features a bidirectional K-I/O pin with supply voltage dependent input thresholds and reverse supply protection down to -24 V. The component is classified as Automotive grade and complies with AEC-Q100 standards.

Feature Summary

• Provides standard ISO 9141 compatible interface functions for vehicle onboard microcontroller UART communication
• Features a bidirectional K-I/O pin with defined output status during undervoltage or ground interruption conditions
• Includes overtemperature shutdown function selective to the K-I/O pin and integrated pull-up resistors for TX, RX, and LO lines

Applications

• Automotive diagnostic systems requiring ISO K line communication
• Interfaces between vehicle onboard microcontrollers and off-board diagnostic tools
• Serial link bus interfaces for half-duplex communication in automotive environments

Procurement Notes

Verify the specific ordering suffix '013TR' confirms the Tape And Reel packaging format and Ecopack2 RoHS compliance status. Confirm the Automotive grade classification and AEC-Q100 qualification align with project requirements. Ensure the SO-8 package dimensions match the PCB footprint design constraints before finalizing procurement orders.

Selection Notes

Select this component when an ISO 9141 compliant serial link bus interface is required for automotive diagnostics. It is suitable for designs needing bidirectional communication between a microcontroller UART and an external system via the K line. Consider its wide operating voltage range and high junction temperature capability for harsh automotive environments.

Part Context

This part belongs to the L9637 series of serial link bus interface devices manufactured by STMicroelectronics. These devices are specifically engineered to provide bidirectional half-duplex communication in automotive diagnostic applications. The series complements other transceivers like the L9613 and L9615 for broader in-vehicle networking solutions.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing ISO 9141 protocol implementations if considering alternative vendors.