Infineon TLE9180D-21QK: A Comprehensive Overview of its Features and Applications

The Infineon TLE9180D-21QK is a highly integrated, system-on-chip (SoC) solution designed specifically for automotive DC motor control applications. As a part of Infineon's extensive motor control portfolio, this device stands out by combining a powerful microcontroller core with advanced power stages and dedicated peripherals, all on a single chip. This integration simplifies design, reduces the overall system footprint, and enhances reliability, making it an ideal choice for the demanding environment of modern vehicles.

Key Features and Technical Specifications

At the heart of the TLE9180D-21QK lies an ARM® Cortex®-M3 core, providing the computational muscle needed for sophisticated field-oriented control (FOC) algorithms and other complex real-time processing tasks. This allows for precise, efficient, and quiet operation of BLDC (Brushless DC) and PMSM (Permanent Magnet Synchronous Motor) motors.

A defining feature of this SoC is its integrated full-bridge gate drivers. These are capable of directly driving external N-channel MOSFETs, which form the inverter stage for the motor. This eliminates the need for external driver ICs, streamlining the bill of materials and PCB layout.

For safety-critical automotive systems, robust protection is paramount. The TLE9180D-21QK incorporates a comprehensive suite of on-chip safety and monitoring functions. These include under-voltage lockout (UVLO), over-voltage protection (OVP), over-current protection (OCP), and overtemperature shutdown. These features ensure the system operates within safe limits, protecting both the controller and the motor itself.

Furthermore, the device includes a LIN (Local Interconnect Network) transceiver, facilitating seamless and cost-effective communication with other electronic control units (ECUs) within the vehicle's network. This integrated transceiver simplifies the implementation of command and diagnostic communication.

Primary Applications in the Automotive Sector

The integration and robustness of the TLE9180D-21QK make it perfectly suited for a wide range of automotive body and convenience applications. Key use cases include:

Electric Power Steering (EPS) Systems: Providing the precise torque control required for responsive and safe steering assistance.

Thermal Management Modules: Driving fans and pumps in engine cooling loops and HVAC (Heating, Ventilation, and Air Conditioning) systems for optimal temperature regulation.

Engine and Chassis Applications: Controlling actuators for turbochargers, throttle valves, or suspension systems.

Fluid Pumps: Managing fuel pumps, water pumps, and oil pumps with high efficiency.

ICGOOODFIND

The Infineon TLE9180D-21QK is a premier integrated solution that masterfully combines processing power, drive stages, and communication in a single package. Its high level of integration significantly reduces system complexity and cost, while its robust safety features ensure the reliability demanded by the automotive industry. For designers aiming to develop efficient, compact, and reliable motor control systems for automotive applications, the TLE9180D-21QK represents an exceptional choice, accelerating development time and enhancing overall system performance.

Keywords: Automotive Motor Control, Integrated Gate Driver, ARM Cortex-M3, Field-Oriented Control (FOC), LIN Transceiver