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The Infineon TLE9873QXW40 is a MOTIX™ microcontroller featuring an Arm Cortex-M3 core with up to 40 MHz clock frequency. It integrates 48 KB flash, 3 KB RAM, and a MOSFET driver with charge pump for BLDC applications. 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 +175°C. Key peripherals include one LIN 2.2 transceiver, a high-speed operational amplifier for shunt current sensing, five analog inputs with a 10-bit ADC, and ten general-purpose I/O ports.
Verify the specific design step suffix in the orderable part number. The TLE9873QXW40XUMA1 corresponds to the BF step package variant. Confirm that the required pinout and marking align with the VQFN-48-29 specification provided in the datasheet table before procurement.
Select this component for automotive applications requiring integrated motor drive and communication. Ensure the system voltage remains between 5.5 V and 28 V. Verify that the 48 KB flash capacity meets firmware requirements and that the Grade 0 temperature rating suits the thermal environment.
This part belongs to the MOTIX™ TLE987x family of microcontrollers designed for automotive motor control. The XUMA1 suffix specifically denotes the BF design step, which utilizes the VQFN-48-29 package. Other variants like XUMA2 and XUMA3 offer different package footprints (VQFN-48-79).
Direct replacements within the same family include TLE9873QXW40XUMA2 and TLE9873QXW40XUMA3. These share identical electrical specifications but differ in package type (VQFN-48-79 vs. VQFN-48-29). PCB layout adjustments are necessary when switching between these package variants.