TLE9872QTW40XUMA1

Overview

The Infineon TLE9872QTW40 is an automotive-grade system-on-chip integrating a 32-bit Arm Cortex-M3 microcontroller with a BLDC MOSFET driver. It features 256 KB of flash memory, 8 KB of RAM, and operates on a single power supply ranging from 5.5 V to 27 V (extended range 3 V to 28 V). The device includes a LIN 2.2 transceiver, a high-speed operational amplifier for shunt current sensing, and a charge pump for the bridge driver. Designed for extended temperature ranges up to +175°C junction temperature, it supports PWM generation via CCU6 and provides comprehensive diagnostic capabilities.

Feature Summary

• Integrated 32-bit Arm Cortex-M3 core with up to 40 MHz clock frequency
• On-chip MOSFET driver with charge pump for BLDC motor applications
• Single power supply operation from 5.5 V to 27 V (extended 3 V to 28 V)
• Built-in LIN 2.2 transceiver and high-speed op-amp for current sensing

Applications

• Windshield wiper systems
• Auxiliary pumps
• Cooling fans
• Window lift actuators
• Sunroof drives
• Tailgate motors

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm that the package matches the specified TQFP-48-10 form factor. Ensure the design step corresponds to the required production version. Check datasheet revision history for any errata or updates relevant to the specific manufacturing lot.

Selection Notes

Select this model when a highly integrated solution for brushed DC or BLDC motors is required within the automotive sector. The TLE9872QTW40 is suitable for applications demanding extended thermal performance up to 175°C. Consider the 256 KB flash capacity for complex control algorithms and the integrated LIN interface for network communication needs.

Part Context

This component belongs to the MOTIX™ family of embedded power solutions designed specifically for automotive motor control. It combines MCU processing with power stage drivers to minimize external component count. The TLE987x series targets cost-sensitive yet robust auxiliary motor applications in modern vehicles.

Replacement Considerations

Consult official Infineon documentation for qualified pin-to-pin or functional replacements. Verify compatibility regarding package dimensions, thermal characteristics, and software architecture before substituting.