TLE9873QXW40XUMA3

Overview

The TLE9873QXW40XUMA3 is an automotive-grade microcontroller from Infineon's TLE987x family, designed for BLDC motor applications. It integrates a 32-bit ARM Cortex-M3 core with LIN communication capabilities and NFET drivers. The device supports extended operating temperature ranges (Grade 0) and features a single power supply input ranging from 5.5V to 28V. Key peripherals include current sensors, ADCs synchronized with capture/compare units, and programmable timers, enabling efficient control of three-phase motors in harsh automotive environments.

Feature Summary

• Integrates ARM Cortex-M3 core with LIN transceiver and BLDC MOSFET driver
• Extended operating temperature range (Grade 0) up to 175°C junction temperature
• Single power supply operation from 5.5V to 28V with overvoltage protection
• Includes current sensor, ADC, and PWM generation for precise motor control

Applications

• Engine cooling fan control
• Water pump actuation
• Oil pump drive systems
• BLDC fans and pumps in high-temperature environments

Procurement Notes

Verify the specific ordering suffix XUMA3 against the manufacturer's latest datasheet to confirm package type and tape/reel specifications. Ensure compatibility with AEC-Q100 Grade 0 requirements for under-hood automotive applications. Cross-reference pinouts and electrical characteristics with official Infineon documentation before integration.

Selection Notes

Select this component for applications requiring integrated motor driving and LIN communication in a single chip. Verify that the external NFETs match the voltage and current ratings required by the specific motor load. Confirm that the system design accommodates the extended temperature range and power supply variations typical of automotive environments.

Part Context

This part belongs to the TLE987x product family, which focuses on highly integrated solutions for automotive body electronics and motor drives. It shares architectural similarities with other members like the TLE9877 but may differ in specific peripheral configurations or package options. The TLE9873 is optimized for cost-effective and space-efficient designs in engine management systems.

Replacement Considerations

Direct substitutes within the same family include parts with similar pinouts and functionality, such as the TLE9873QXA40. Verify functional equivalence regarding memory size, peripheral sets, and thermal performance before substitution.