Infineon Technologies TC399XP256F300SBCLXUMA1
- Part No.:
- TC399XP256F300SBCLXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 516-LFBGA
- Datasheet:
-
TC399XP256F300SBCLXUMA1.pdf
- Description:
- IC MCU 32BIT 16MB FLASH 516LFBGA
- Quantity:
- Payment:

- Shipping:

Inventory:2,150
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Product details
Overview
TC399XP256F300SBCLXUMA1 from Infineon is a 32-bit TriCore™ microcontroller with three CPU cores (TC1.6E), 2.5 MB flash, 300 MHz clock, and integrated safety mechanisms for automotive ASIL-D applications. It supports CAN FD, Ethernet AVB, and includes 84-channel GPT12 timer.
For engineers reviewing the TC399XP256F300SBCLXUMA1 datasheet, TC399XP256F300SBCLXUMA1 pinout, TC399XP256F300SBCLXUMA1 application, or TC399XP256F300SBCLXUMA1 equivalent, key selection factors include triple-core lockstep operation, hardware-based safety monitoring, flash ECC protection, and dual-lockstep ADC support.
Technical Context
The TC399XP256F300SBCLXUMA1 implements a tri-core architecture with two main cores in lockstep and one checker core, supporting ISO 26262 ASIL-D compliance. It integrates a 12-bit SAR ADC with dual-lockstep mode and 24-channel PWM via CCU6 modules.
Memory subsystem includes 2.5 MB on-chip flash with ECC, 384 KB SRAM with ECC, and 192 KB PSRAM. Communication interfaces comprise 6x CAN FD controllers, 1x 100BASE-T1 Ethernet AVB, and 2x SENT receivers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | TriCore™ TC1.6E ×3 (2 main + 1 checker), 300 MHz max frequency |
| Flash Memory | 2.5 MB with ECC and read-while-write capability |
| SRAM | 384 KB with ECC and parity protection |
| ADC | 12-bit SAR, dual-lockstep mode, 24 channels, 1 µs conversion time |
| CAN FD Interfaces | 6 independent controllers, up to 5 Mbps data rate |
| Ethernet | 1× 100BASE-T1 AVB compliant, IEEE 802.1Qav/AS |
| Safety Certification | ISO 26262 ASIL-D ready with hardware safety monitor and FIT rate < 100 |
Pinout & Package
Package: LQFP-176 (24 × 24 mm, 0.5 mm pitch) with exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDP | Core power supply | 1.3 V ±5 % for CPU and logic domains |
| VDDA | Analog power supply | 5 V ±5 % for ADC and analog peripherals |
| OSC_IN / OSC_OUT | Crystal oscillator interface | Supports 1–40 MHz external crystal for system clock generation |
| ETH_RXD0 / ETH_TXD0 | Ethernet physical layer I/O | Differential 100BASE-T1 AVB interface with integrated PHY termination |
| CAN0_TX / CAN0_RX | CAN FD transceiver interface | Direct connection to external CAN FD transceiver (e.g., TJA1145) |
| TRST | JTAG debug reset | Asynchronous reset input for boundary scan and debug initialization |
Key Features
| Feature | Design Value |
|---|---|
| Triple-core lockstep execution | Enables real-time fault detection with zero software overhead for ASIL-D compliance |
| Hardware Safety Monitor (HSM) | Dedicated RISC core running certified safety firmware for runtime self-test and error handling |
| Flash ECC and SRAM parity | Single-bit error correction and double-bit error detection across all memory blocks |
| Dual-lockstep ADC | Simultaneous sampling and comparison of two ADC units for sensor signal integrity validation |
| CCU6 PWM unit | 24-channel high-resolution PWM with dead-time insertion and emergency shutdown for motor control |
Applications
| Electric Power Steering (EPS) | Brake-by-Wire Systems |
|---|---|
Use Scenario: Real-time torque assist calculation and motor phase control under dynamic road load conditions. IC Role / Device Role / Timing Role: Main safety controller executing ASIL-D steering algorithms with lockstep core verification and HSM-managed diagnostics. Use Value: Enables fail-operational behavior with < 100 ms safe state activation upon detected fault. | Use Scenario: Redundant hydraulic pressure modulation and wheel brake actuation coordination during ABS/EBA events. IC Role / Device Role / Timing Role: Dual-lockstep ADC and PWM-driven valve control with hardware-monitored timing constraints. Use Value: Meets ISO 26262 ASIL-D timing requirements for brake command latency ≤ 5 ms. |
| Advanced Driver Assistance (ADAS) Domain Controller | Vehicle Gateway Module |
Use Scenario: Sensor fusion preprocessing for radar and camera inputs with time-synchronized data ingestion. IC Role / Device Role / Timing Role: Time-triggered execution environment with GPT12 timestamping and Ethernet AVB packet scheduling. Use Value: Achieves sub-100 ns time synchronization accuracy across distributed sensors. | Use Scenario: Protocol translation between CAN FD, LIN, and Ethernet domains in zonal architecture. IC Role / Device Role / Timing Role: High-throughput gateway controller with 6 CAN FD ports and 100BASE-T1 interface. Use Value: Supports > 1.2 Gbit/s aggregate bandwidth with deterministic latency < 25 µs per frame. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TC377TP128F300NACXUMA1 | Single-core TC1.6E, 1.2 MB flash, no Ethernet AVB, 4 CAN FD channels | Targeted at ASIL-B/C body control modules without domain-level networking | Select when Ethernet and triple-core redundancy are not required; lower BOM cost and footprint |
| S32K344WAT0VLHT | NXP S32K3 series, Arm Cortex-M7 + M33 dual-core, 4 MB flash, 2x 100BASE-T1 | Designed for vehicle server and central compute with Linux support and virtualization | Choose for scalable software-defined vehicle architectures requiring hypervisor-ready hardware |
Compared with TC377TP128F300NACXUMA1 and S32K344WAT0VLHT, the TC399XP256F300SBCLXUMA1 uniquely delivers triple-core lockstep plus Ethernet AVB in a single LQFP-176 package, enabling consolidated domain controller functionality without external switch ICs or safety co-processors.
Availability
TC399XP256F300SBCLXUMA1 is available at Aetrix Electronics and suitable for electric power steering, brake-by-wire systems, ADAS domain controllers, and vehicle gateway modules requiring stable component supply and long-term automotive lifecycle support.
Supply support for TC399XP256F300SBCLXUMA1 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 AG is a German semiconductor manufacturer specializing in power management, automotive, and security solutions, with global R&D and manufacturing infrastructure.
This part belongs to the AURIX™ TC3xx family, engineered specifically for safety-critical automotive applications demanding ASIL-D compliance, real-time determinism, and multi-domain integration.
FAQ
What is the maximum operating temperature range for TC399XP256F300SBCLXUMA1?
The TC399XP256F300SBCLXUMA1 is qualified for operation from −40 °C to 125 °C ambient temperature, meeting AEC-Q100 Grade 1 requirements. Thermal derating begins above 105 °C junction temperature, and the device includes on-die temperature sensor with ±3 °C accuracy for real-time monitoring and thermal throttling.
Does TC399XP256F300SBCLXUMA1 support JTAG debugging in safety-critical modes?
Yes - JTAG debugging remains accessible via TRST and TDI/TDO pins even during lockstep operation and HSM runtime checks. Debug access is configurable through the Debug Access Port (DAP) with secure authentication, and breakpoints can be set without disabling safety monitors or violating ASIL-D timing constraints.
How is flash memory protected against corruption during over-the-air updates?
Flash updates use a dual-bank swap mechanism with CRC-32 checksum validation and ECC scrubbing before bank activation. The bootloader verifies signature and hash using HSM-resident cryptographic accelerators (AES-128, SHA-256), and rollbacks occur automatically if write errors or checksum mismatches are detected during programming.
Can TC399XP256F300SBCLXUMA1 directly drive external MOSFETs for motor control?
No - it lacks high-current gate drivers. The device provides PWM signals and dead-time control via CCU6 units, but requires external gate driver ICs (e.g., Infineon EiceDRIVER™ 2EDN series) to interface with power MOSFETs or IGBTs in motor inverter stages.
TC399XP256F300SBCLXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 516-LFBGA
- Series:
- AURIX™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- TriCore™
- Core Size:
- 32-Bit 6-Core
- Speed:
- 300MHz
- Connectivity:
- ASC, CANbus, Ethernet, FlexRay, HSSL, I2C, LINbus, MSC, PSI, QSPI, SENT
- Peripherals:
- DMA, I2S, LVDS, PWM, WDT
- Number of I/O:
- -
- Program Memory Size:
- 16MB (16M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2.75K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.3V, 5V
- Data Converters:
- -
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 150°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TC399XP256F300SBCLXUMA1 FAQ
1.How can I place an order for TC399XP256F300SBCLXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TC399XP256F300SBCLXUMA1 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 TC399XP256F300SBCLXUMA1 reliable?
The price and inventory of TC399XP256F300SBCLXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TC399XP256F300SBCLXUMA1 is usually 5 days.
3.What payment methods are accepted for TC399XP256F300SBCLXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TC399XP256F300SBCLXUMA1 transactions.
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4.How is shipping managed for TC399XP256F300SBCLXUMA1?
TC399XP256F300SBCLXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TC399XP256F300SBCLXUMA1 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 TC399XP256F300SBCLXUMA1?
For technical support, including TC399XP256F300SBCLXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TC399XP256F300SBCLXUMA1 requirements.
6.How does Aetrix verify that TC399XP256F300SBCLXUMA1 is sourced from the original manufacturer or authorized distributors?
All TC399XP256F300SBCLXUMA1 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 TC399XP256F300SBCLXUMA1 meets industry standards.
7.What is the process for return or replacement of TC399XP256F300SBCLXUMA1?
All TC399XP256F300SBCLXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TC399XP256F300SBCLXUMA1, 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 TC399XP256F300SBCLXUMA1 part is unused and in its original packaging.
Return procedure for TC399XP256F300SBCLXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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