company blog about INFINEON SAK-TC333LP-32F200F AA 32-Bit Single-Chip AURIX™ TC33xLP Series MCU

INFINEON SAK-TC333LP-32F200F AA 32-Bit Single-Chip AURIX™ TC33xLP Series MCU

Shenzhen Mingjiada Electronics Co., Ltd. supplies/recycles Infineon SAK-TC333LP-32F200F AA 32-bit single-chip AURIX™ TC33xLP series microcontrollers.

The SAK-TC333LP-32F200F AA is a high-performance 32-bit single-chip microcontroller (MCU) within the AURIX™ TC33xLP series, built upon Infineon's second-generation AURIX™ architecture and manufactured using 40nm flash technology. It balances high security, reliability and cost-effectiveness, specifically designed for mid-to-high-end applications in automotive electronics and industrial control. With its outstanding performance, extensive peripherals and comprehensive security mechanisms, it serves as an optimal control core that harmonises safety and efficiency.

I. Core Overview of the SAK-TC333LP-32F200F AA Product

The SAK-TC333LP-32F200F AA belongs to Infineon's AURIX™ TC33xLP series. As a single-chip solution, its core positioning is to provide a stable and efficient control core for applications requiring high functional safety, real-time control, and flexible connectivity. Inheriting the core strengths of the AURIX™ series, this chip achieves an optimal balance between performance and power consumption while simplifying system design and reducing development complexity. It is widely adaptable for safety-critical applications across automotive electronics, industrial automation, and other domains, meeting the full spectrum of safety requirements from QM (Quality Management) to ASIL-D levels.

Compared to other products in the series, the SAK-TC333LP-32F200F AA focuses on mid-to-high-end control scenarios. It features precise optimisation in storage capacity, computational performance, and peripheral configuration. This approach avoids the performance redundancy of high-end chips while addressing the performance shortcomings of entry-level chips. It offers outstanding value for money while maintaining full software and hardware compatibility with the AURIX™ TC2xx series, enabling rapid porting and significantly shortening development cycles.

II. Core Technical Features of SAK-TC333LP-32F200F AA

1. Computing Core and Performance

The SAK-TC333LP-32F200F AA incorporates a single independent 32-bit TriCore™ CPU operating at a default frequency of 200MHz, customisable to 300MHz (DSP mode) per application requirements. It balances fixed-point and floating-point processing capabilities, All cores support a Floating-Point Unit (FPU), enabling efficient processing of complex control algorithms and real-time data computations. Characterised by low computational latency and rapid response times, it meets the stringent real-time demands of automotive powertrain control and industrial precision control applications. Power consumption is maintained below 1W, achieving a balance between high performance and low power consumption.

2. Storage System Configuration

The storage system employs a high-reliability design, featuring 2MB of flash memory (program storage) with ECC (Error Checking and Correction) protection. This ensures stable storage of control programmes and critical data, effectively preventing errors during data transmission and storage. Additionally, it integrates 248KB of ECC-protected SRAM (including cache), providing ample buffering capacity for real-time data processing. This ensures high-speed, accurate data read/write operations while meeting temporary storage demands for large datasets in complex applications. The incorporation of ECC protection further enhances storage reliability, meeting stringent requirements for safety-critical applications.

3. Security Mechanisms and Compliance

Security constitutes one of the core strengths of the SAK-TC333LP-32F200F AA, achieving full compliance with ISO 26262/IEC 61508 standards and supporting up to ASIL-D functional safety. This fulfils the stringent requirements of safety-critical domains such as automotive electronics. The chip incorporates robust security mechanisms, including a lockstep core, LBIST (Logic Built-in Self-Test), ECC RAM protection, and a Security Management Unit (SMU). These enable rapid detection and correction of runtime errors, preventing fault propagation. Furthermore, the chip integrates a complete HSM (Hardware Security Module, EVITA Full level), supporting ECC256 and SHA2 encryption algorithms. This effectively safeguards data and communication security, preventing malicious attacks and data breaches.

4. Extensive Peripherals and Flexible Connectivity

The SAK-TC333LP-32F200F AA features a comprehensive array of peripheral interfaces, balancing connectivity flexibility with practicality to readily accommodate expansion requirements across diverse application scenarios:

- Communication Interfaces: Supports 8 CAN nodes (including CAN FD, data rate enhanced), 1 FlexRay, 12 ASCLIN, 4 QSPI, 1 I²S, alongside 6 SENT interfaces. Enables high-speed, stable communication with diverse automotive sensors, actuators, and control units, accommodating complex in-vehicle network connectivity requirements;

- Timers and Control Modules: Integrates 16 DMA channels, a powerful General-Purpose Timer module (GTM), CCU6, and GPT12. Redundant and diverse timer designs meet timing, counting, and pulse control requirements across different scenarios, enhancing control precision;

- Other peripherals: Equipped with a Delta-sigma ADC for rapid, precise analogue measurement, suitable for industrial sensor data acquisition and automotive environmental monitoring. Supports single-supply operation (5V or 3.3V) with integrated on-chip voltage regulator and clock generation module, simplifying external circuit design. Features a built-in standby mode controller to further reduce power consumption, making it ideal for low-power applications.

5. Packaging and Environmental Adaptability

The chip adopts an LQFP-100 package with optimised pin layout for PCB design and soldering. Multiple packaging options are available (compatible with LQFP-80, LQFP-144, LFBGA-180, LFBGA-292) to accommodate varying product dimensional requirements. Regarding environmental adaptability, the chip operates within a temperature range of -40°C to +125°C (with an optional +150°C high-temperature variant). It exhibits robust electromagnetic interference resistance, ensuring stable performance in extreme conditions such as automotive engine compartments and harsh industrial environments. This meets the stringent requirements of demanding industrial and automotive application environments.

III. Typical Application Scenarios for SAK-TC333LP-32F200F AA

Leveraging its high security, reliability, and flexible configuration, the SAK-TC333LP-32F200F AA primarily serves two core domains: automotive electronics and industrial control. Specific applications include:

1. Automotive Electronics

- New Energy Vehicle Powertrain Systems: Deployed in Engine Control Units (ECUs) and Motor Control Modules to coordinate interactions between Battery Management Systems and drive motors, enhancing energy efficiency while meeting ASIL-D safety standards.

- Body Electronics Control: Manages body control systems, chassis control, and lighting control. Utilises diverse communication interfaces to enable multi-module coordination, ensuring vehicle operational stability and safety.

- Advanced Driver Assistance Systems (ADAS) Modules: Supports partial control functions within ADAS clusters, leveraging high real-time performance and safety mechanisms to enable rapid sensor data acquisition and processing, thereby sustaining stable ADAS operation;

- Fuel Cell Electric Vehicle (FCEV) Transmission Systems: Adapts to the stringent control demands of fuel cell vehicles, achieving precise transmission control and efficient operation.

2. Industrial Control Domain

- Industrial Automation Equipment: Employed in PLCs, industrial controllers, servo drives and similar devices to achieve precise control and real-time data processing in industrial production processes, adapted for harsh industrial environments;

- Rail Transit Equipment: Utilised in control modules within rail transit systems, leveraging wide temperature range and high reliability to ensure operational safety and stability;

- Industrial Sensor and Actuator Control: Handles sensor data acquisition and actuator drive control, enhancing industrial control precision and efficiency through high-accuracy ADCs and flexible peripheral interfaces.

IV. SAK-TC333LP-32F200F AA Product Summary

As the flagship product of the AURIX™ TC33xLP series, Infineon's SAK-TC333LP-32F200F AA stands as the preferred microcontroller for safety-critical applications in automotive electronics and industrial control. This distinction stems from its high-performance TriCore™ core, comprehensive safety mechanisms, extensive peripheral configuration, and flexible application adaptability. Its 40nm manufacturing process achieves a balance between performance and power consumption, while ASIL-D safety certification ensures high reliability. Comprehensive development support and an established ecosystem lower the development threshold, enabling developers to rapidly launch high-quality products.

Whether for powertrain control in new energy vehicles, precision regulation in industrial automation, or safety assurance in rail transit, the SAK-TC333LP-32F200F AA delivers precise positioning and outstanding performance to meet stringent requirements across diverse scenarios. It provides stable, efficient, and secure core support for various control applications while balancing cost-effectiveness and scalability to accommodate future upgrade needs.