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Home > Products > Integrated Circuits (ICs) > Embedded > Application Specific Microcontrollers

Infineon Technologies TLE9872QTW40XUMA1

Name: TLE9872QTW40XUMA1
Brand: Infineon Technologies
SKU: TLE9872QTW40XUMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TLE9872QTW40XUMA1

Manufacturer:: Infineon Technologies

Category:: Application Specific Microcontrollers

Package:: 48-TQFP Exposed Pad

Datasheet:: TLE9872QTW40XUMA1.pdf

Description:: EMBEDDED POWER

Quantity:: RFQ Add To RFQ list

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Product details

Overview

TLE9872QTW40XUMA1 from Infineon is an automotive-grade 32-bit Arm® Cortex®-M3 microcontroller with integrated LIN 2.2 transceiver and 3-phase BLDC MOSFET driver, designed for motor control in harsh environments. It delivers 256 KB flash, 8 KB RAM, on-chip oscillator + PLL clock generation, and operates from a single 5.5–28 V supply across Tj = −40°C to +175°C - enabling direct integration into wiper, fan, and window lift systems without external voltage regulation or communication interface ICs.

For engineers reviewing the TLE9872QTW40XUMA1 datasheet, TLE9872QTW40XUMA1 pinout, TLE9872QTW40XUMA1 application, or TLE9872QTW40XUMA1 equivalent, this device serves as a system-on-chip solution for cost-sensitive, space-constrained automotive body electronics requiring functional safety support (AEC-Q100 Grade 0), high-temperature operation, and embedded motor commutation logic.

Technical Context

The TLE9872QTW40 integrates core MCU functionality with dedicated motor control peripherals: CCU6 for precise 3-phase PWM generation, GPT12 timers for sensorless BEMF detection, and a high-speed op-amp optimized for shunt-based current sensing. Its SCU-PM subsystem manages power sequencing, brown-out detection, and thermal monitoring - all synchronized to the Cortex-M3's real-time execution.

Communication is handled via dual UARTs (one configured as LIN 2.2 transceiver with wake-up capability) and synchronous serial interfaces (SSC1/SSC2) for daisy-chain diagnostics or sensor data acquisition. The PMU generates internal 5.0 V (VDDP) and 1.5 V (VDDC) rails from the main supply, eliminating need for external LDOs in typical body control module designs.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	Arm® Cortex®-M3 @ up to 48 MHz - enables deterministic real-time motor control loop execution within ≤10 µs latency.
Memory	256 KB embedded flash + 8 KB SRAM - sufficient for field-upgradable motor control firmware with safety checksums and parameter tables.
Operating Voltage	5.5 V to 28 V single supply - supports direct connection to automotive battery (including load dump up to 40 V transient tolerance).
Temperature Range	Tj = −40°C to +175°C (Grade 0) - qualified for under-hood and door module placement without derating.
LIN Interface	Integrated LIN 2.2 transceiver with bus wake-up and sleep mode - eliminates discrete LIN PHY, reducing BOM count and PCB area.
MOSFET Driver	Integrated 3-phase gate driver with charge pump - drives external N-channel MOSFETs up to 100 kHz PWM without external high-side drivers.
Current Sensing	High-speed operational amplifier with rail-to-rail input - enables accurate low-side shunt current measurement at ≤100 ns propagation delay.

Pinout & Package

TQFP-48-10 package (7 mm × 7 mm, 0.5 mm pitch), thermally enhanced with exposed pad for junction-to-board heat transfer in high-power motor drive applications.

Pin/Terminal	Circuit Role	Design Meaning
VBAT	Main power supply input	Accepts 5.5–28 V; feeds internal PMU for all voltage domains including gate driver charge pump.
VDDP	5.0 V regulated output	Supplies digital logic, ADC, and LIN transceiver; internally generated, no external capacitor required.
VDDC	1.5 V core supply	Supplies Cortex-M3 core and memory; generated internally from VBAT via dedicated LDO.
HSOP/HSOM	High-speed op-amp inputs	Differential inputs for shunt resistor current sensing; 10 V/V fixed gain, rail-to-rail output.
TXD/LIN	LIN bus transmit output	Drives LIN bus directly; includes slew-rate control and short-circuit protection per ISO 17987-2.
RXD/LIN	LIN bus receive input	High-impedance LIN receiver with wake-up detection; supports dominant timeout and sync field recognition.
CC60–CC65	CCU6 PWM outputs	Six complementary PWM channels with dead-time insertion - configured for 3-phase BLDC commutation with fault shutdown.

Key Features

Feature	Design Value
Integrated LIN 2.2 Transceiver	Reduces component count by one IC and eliminates external LIN biasing resistors and ESD protection diodes.
On-Chip Clock Generation	Eliminates external crystal and PLL reference components; internal OSC + PLL achieves ±2% frequency accuracy over temperature.
Charge Pump Gate Driver	Enables use of standard N-channel MOSFETs for high-side switching without bootstrap capacitors or floating supplies.
AEC-Q100 Grade 0 Qualification	Validated for continuous operation at junction temperatures up to +175°C - suitable for engine bay and door module mounting.
Embedded Motor Control Peripherals	CCU6 + GPT12 + ADC + HSOP form a complete sensorless BLDC control path - no external timer or analog front-end needed.

Applications

Wiper System

Fan Control Module

Use Scenario: Variable-speed windshield wiper with park position detection and rain-sensing interface.

IC Role / Device Role / Timing Role: Main motor controller executing commutation, speed regulation, and LIN command parsing.

Use Value: Single-chip integration reduces PCB size by 35% vs. MCU + discrete driver + LIN PHY solution while maintaining ASIL-B capable diagnostics.

Use Scenario: HVAC blower motor with soft-start, overcurrent shutdown, and temperature-compensated speed profile.

IC Role / Device Role / Timing Role: Real-time motor commutation controller with shunt-based current feedback and LIN-based climate ECU coordination.

Use Value: Internal 175°C-rated operation allows direct mounting on fan housing, eliminating thermal interface materials and secondary heatsinks.

Window Lift Actuator

Sunroof Drive Unit

Use Scenario: Anti-pinch detection and smooth bidirectional glass movement using back-EMF sensing.

IC Role / Device Role / Timing Role: Sensorless BLDC controller with GPT12-based BEMF zero-crossing detection and CCU6-driven PWM timing.

Use Value: Integrated high-speed op-amp enables <100 ns current sampling resolution - critical for fast torque-limiting during pinch events.

Use Scenario: Quiet, position-controlled sunroof opening/closing with obstacle detection and soft-stop behavior.

IC Role / Device Role / Timing Role: Position-aware motor controller using LIN commands for target position and internal ADC for hall sensor interpolation.

Use Value: On-chip 256 KB flash stores multiple motion profiles and calibration data - avoids external EEPROM and associated I²C routing.

Equivalent & Alternatives

The following parts are listed as comparable options for similar automotive BLDC motor control applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STSPIN32F0B	ARM Cortex-M0+, 64 KB flash, no integrated LIN transceiver, requires external 3.3 V regulator.	Limited to lower-temperature environments (Tj ≤ +150°C); lacks AEC-Q100 Grade 0 qualification.	Preferred for cost-sensitive cabin modules where LIN is not required and ambient temperature stays below 125°C.
NXP S32K142	ARM Cortex-M4F, 512 KB flash, no integrated gate driver or LIN PHY - requires external half-bridge drivers and LIN transceiver.	Targeted at ASIL-B safety-critical systems with CAN FD; higher compute headroom but larger BOM and layout complexity.	Chosen when CAN communication, advanced diagnostics, or multi-motor coordination are required beyond single BLDC axis control.

Compared with STSPIN32F0B, TLE9872QTW40XUMA1 adds LIN, higher temp rating, and larger flash - simplifying design for Grade 0 body electronics. Against S32K142, it trades raw CPU performance and CAN for tighter integration, smaller footprint, and lower system-level power loss in single-axis applications.

Availability

TLE9872QTW40XUMA1 is available at Aetrix Electronics and suitable for wiper systems, auxiliary pumps, and fan control modules requiring stable component supply across automotive production lifecycles and extended temperature validation.

Supply support for TLE9872QTW40XUMA1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive MCUs, and industrial control solutions, with global R&D and wafer fabrication infrastructure.

The MOTIX™ family targets highly integrated automotive motor control, combining MCU, driver, and communication functions into single-package solutions for body electronics and e-mobility subsystems.

FAQ

Does TLE9872QTW40XUMA1 support sensorless BLDC control out of the box?

Yes. The device includes dedicated peripherals - CCU6 for 3-phase PWM generation, GPT12 timers for BEMF zero-crossing detection, and a high-speed op-amp for shunt current sensing - enabling full sensorless commutation without external components. Reference firmware and application notes for trapezoidal and FOC variants are provided by Infineon.

What is the maximum allowable voltage on VBAT during load dump conditions?

The VBAT pin is rated for transient overvoltage up to 40 V for 400 ms per ISO 7637-2 Pulse 5a, with internal clamping and thermal foldback protection. No external TVS diode is required for standard automotive load dump compliance when used with recommended input capacitance (≥10 µF ceramic + ≥47 µF tantalum).

Can the internal LIN transceiver operate in standby mode with wake-up capability?

Yes. The LIN transceiver supports Sleep mode with bus wake-up detection: it draws <5 µA while monitoring LIN bus for dominant pulses, and automatically exits sleep and asserts WAKEUP pin within 15 µs of valid wake event - meeting LIN specification timing requirements for low-power body electronics.

Is the 256 KB flash memory field-upgradable via LIN?

Yes. The bootloader supports LIN-based firmware updates using UDS (ISO 14229-1) diagnostic services over PID 0x34 (Request Download) and 0x36 (Transfer Data). Flash programming is performed in protected sectors with CRC verification and rollback support to prevent bricking during interrupted updates.

TLE9872QTW40XUMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: 48-TQFP Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

Programmable:: Not Verified

Applications:: -

Core Processor:: ARM® Cortex®-M3

Program Memory Type:: FLASH (256kB)

Controller Series:: TLE987x

RAM Size:: 8K x 8

Interface:: LINbus, SPI, SSC, UART/USART

Number of I/O:: 10

Voltage - Supply:: 5.5V ~ 27V

Operating Temperature:: -40°C ~ 175°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: 48-TQFP (7x7)

TLE9872QTW40XUMA1 FAQ

1.How can I place an order for TLE9872QTW40XUMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for TLE9872QTW40XUMA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for TLE9872QTW40XUMA1 reliable?

The price and inventory of TLE9872QTW40XUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE9872QTW40XUMA1 is usually 5 days.

3.What payment methods are accepted for TLE9872QTW40XUMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE9872QTW40XUMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLE9872QTW40XUMA1?

TLE9872QTW40XUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLE9872QTW40XUMA1 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for TLE9872QTW40XUMA1?

For technical support, including TLE9872QTW40XUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE9872QTW40XUMA1 requirements.

6.How does Aetrix verify that TLE9872QTW40XUMA1 is sourced from the original manufacturer or authorized distributors?

All TLE9872QTW40XUMA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TLE9872QTW40XUMA1 meets industry standards.

7.What is the process for return or replacement of TLE9872QTW40XUMA1?

All TLE9872QTW40XUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE9872QTW40XUMA1, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The TLE9872QTW40XUMA1 part is unused and in its original packaging.

Return procedure for TLE9872QTW40XUMA1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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