TLE9871QXA20XUMA2

Overview

The Infineon TLE9871QXA20XUMA2 is an automotive-grade microcontroller featuring a 32-bit Arm Cortex-M3 core operating up to 24 MHz. It integrates 36 KB of flash memory, 3 KB of RAM, and a MOSFET driver with a charge pump for BLDC motor control. The device supports a single power supply from 5.5 V to 28 V and operates within a junction temperature range of -40°C to +150°C. Key peripherals include a high-speed operational amplifier for current sensing, a 10-bit ADC, multiple timers, and serial interfaces such as UART and SSC.

Feature Summary

• Integrated MOSFET driver with charge pump for direct BLDC motor control
• High-speed operational amplifier for shunt-based motor current sensing
• On-chip oscillator and PLL for clock generation with loss-of-lock detection
• Automotive qualification compliant with AEC-Q100/101 standards

Applications

• Wiper systems
• Auxiliary pumps
• Fans
• Window lift actuators
• Sunroof drives

Procurement Notes

Verify the specific ordering suffix XUMA2 corresponds to the BF package variant (VQFN-48-31) required for the design. Confirm that the component meets the necessary automotive quality standards and RoHS compliance specifications before finalizing procurement plans.

Selection Notes

Select this part when a compact solution for brushed or BLDC motors is needed without external gate drivers. Ensure the application requires a supply voltage between 5.5 V and 28 V and fits within the 36 KB flash and 3 KB RAM constraints. Verify thermal management capabilities for the VQFN-48-31 package at the target operating temperatures.

Part Context

This component belongs to the MOTIX™ family of embedded power ICs designed for automotive applications. It combines an Arm Cortex-M3 MCU with power stages to minimize system size and cost. The TLE9871QXA20 serves as a specialized SoC for motor control tasks in vehicle auxiliary systems.

Replacement Considerations

TLE9871QXA20XUMA1 is listed as a discontinued alternative by distributors.