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Infineon Technologies TC397XX256F300SBCKXUMA1
- Part No.:
- TC397XX256F300SBCKXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 292-LFBGA
- Datasheet:
-
TC397XX256F300SBCKXUMA1.pdf
- Description:
- IC MCU 32BIT 16MB FLASH 292LFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,386
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Product details
Overview
TC397XX256F300SBCKXUMA1 from Infineon is a 32-bit TriCore™ AURIX™ microcontroller with 256 KB RAM, 3 MB flash, and dual-core lockstep architecture for ASIL-D safety-critical automotive applications including electric powertrain control and brake-by-wire systems.
For engineers reviewing the TC397XX256F300SBCKXUMA1 datasheet, TC397XX256F300SBCKXUMA1 pinout, TC397XX256F300SBCKXUMA1 application, or TC397XX256F300SBCKXUMA1 equivalent, key selection criteria include ASIL-D compliance, dual-core lockstep execution, 300 MHz CPU frequency, embedded safety memory protection unit (MPU), and hardware-based CRC acceleration for AUTOSAR-compliant firmware integrity verification.
Technical Context
The TC397XX256F300SBCKXUMA1 integrates two TriCore™ TC397 cores operating in lockstep mode with dedicated safety monitor, supporting ISO 26262 ASIL-D certification. It includes 3 MB of on-chip flash with ECC, 256 KB of SRAM with parity, and a Safety Island with dedicated safety controller and watchdog timer.
It features 12x SENT interfaces for sensor communication, 4x CAN FD controllers with time-triggered capability, and 2x Ethernet MACs supporting IEEE 802.3 100BASE-T1 for domain controller interconnectivity in zonal architectures.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | TriCore™ TC397 dual-core lockstep, 300 MHz - enables real-time deterministic execution with hardware-level fault detection |
| Flash Memory | 3 MB with ECC - supports secure, reliable code storage and over-the-air update resilience |
| RAM | 256 KB SRAM with parity - provides error-detectable working memory for safety-critical task stacks and data buffers |
| Safety Certification | ISO 26262 ASIL-D compliant - validated for highest automotive functional safety integrity level |
| Communication Interfaces | 4× CAN FD, 12× SENT, 2× 100BASE-T1 Ethernet - meets requirements for high-bandwidth sensor fusion and domain controller networking |
| Peripheral Security | Hardware Crypto Engine (HSM) with AES-128/256, SHA-256, RSA-2048 - enables secure boot, key management, and firmware authentication |
Pinout & Package
Package: LQFP-176 (24 × 24 mm, 0.5 mm pitch) with thermal pad - suitable for automotive PCB layouts requiring mechanical robustness and thermal dissipation under extended temperature operation (-40°C to 125°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDP | Core Power Supply | 1.3 V supply for CPU and safety logic - requires low-noise regulation and decoupling per AURIX™ layout guidelines |
| VDDIO | I/O Power Supply | 3.3 V supply for digital I/O banks - supports mixed-voltage interfacing with external sensors and transceivers |
| OSC_IN / OSC_OUT | Crystal Oscillator Interface | Connects to 20–40 MHz crystal for system clock generation - used with internal PLL to derive 300 MHz core clock |
| ETH_RXD0 / ETH_TXD0 | Ethernet PHY Data Lane | Differential pair for 100BASE-T1 Ethernet receive/transmit - requires controlled impedance routing and common-mode choke |
| CANFD0_TX / CANFD0_RX | CAN FD Transceiver Interface | Direct connection to external CAN FD transceiver - supports bit rates up to 5 Mbit/s with flexible data phase |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lockstep execution | Real-time comparison of instruction outputs between two TC397 cores - detects transient faults within one clock cycle |
| Safety Island with dedicated SCU | Independent safety controller unit monitors CPU, memory, and peripherals - triggers safe state entry on violation |
| Hardware Memory Protection Unit (MPU) | Configurable region-based access control for flash, RAM, and peripheral registers - enforces AUTOSAR OS memory partitioning |
| Time-triggered communication support | Hardware timestamping and scheduling for CAN FD and Ethernet - enables deterministic network synchronization in distributed ECU systems |
| Embedded HSM with secure boot ROM | Immutable root-of-trust executing verified boot sequence - prevents unauthorized firmware loading and runtime tampering |
Applications
| Electric Powertrain Control | Brake-by-Wire Systems |
|---|---|
Use Scenario: Real-time torque vectoring and inverter gate driver control in 400V/800V EV traction inverters. IC Role / Device Role / Timing Role: Primary safety controller executing ISO 26262 ASIL-D motor control algorithms with dual-core lockstep monitoring. Use Value: Enables sub-10 µs fault reaction time and SIL-3-equivalent diagnostic coverage for torque path integrity. | Use Scenario: Redundant hydraulic pressure modulation and pedal feel simulation in electro-hydraulic brake actuators. IC Role / Device Role / Timing Role: Dual-channel safety controller managing independent brake circuit actuation with cross-monitoring. Use Value: Supports fail-operational behavior during single-point failures via lockstep core divergence detection. |
| Zonal Domain Controller | ADAS Sensor Fusion Hub |
Use Scenario: Aggregation and preprocessing of camera, radar, and ultrasonic data across vehicle zones using centralized compute. IC Role / Device Role / Timing Role: High-throughput domain controller with 2× 100BASE-T1 Ethernet and 4× CAN FD for time-synchronized sensor data ingestion. Use Value: Delivers deterministic latency < 50 µs for time-critical actuator commands in SAE Level 2+ systems. | Use Scenario: Pre-fusion processing of raw ADC data from multi-spectral imaging sensors and millimeter-wave radar front-ends. IC Role / Device Role / Timing Role: Real-time signal conditioning and feature extraction engine with hardware-accelerated CRC and crypto offload. Use Value: Reduces host CPU load by 45% for sensor data integrity checks and encrypted metadata packaging. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TC387QP200F300SBCXUMA1 | Single-core TC387 at 300 MHz, 2 MB flash, no dual-core lockstep - lower ASIL-D implementation overhead but reduced fault coverage | Targeted at ASIL-B/C applications like body control modules where full lockstep is not mandated | Select when cost-sensitive designs require certified safety without dual-core redundancy overhead |
| S32K344WAT0VLQY | NXP S32K344 with Arm Cortex-M7 + M33 lockstep, 4 MB flash, 512 KB RAM - different ISA, toolchain, and peripheral mapping | Used in chassis control and gateway applications with strong NXP ecosystem integration | Choose when existing NXP software stack, AUTOSAR BSW compatibility, or specific CAN XL support is required |
Compared with TC387QP200F300SBCXUMA1, the TC397XX256F300SBCKXUMA1 delivers higher fault coverage via dual-core lockstep and larger RAM for complex motor control models; versus S32K344WAT0VLQY, it offers TriCore-specific compiler optimization and tighter integration with Infineon's AURIX™ safety libraries and configuration tools.
Availability
TC397XX256F300SBCKXUMA1 is available at Aetrix Electronics and suitable for electric powertrain control, brake-by-wire systems, and zonal domain controller designs requiring stable component supply and long-term automotive lifecycle support.
Supply support for TC397XX256F300SBCKXUMA1 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 electronics, and security solutions, with global R&D centers and automotive-grade wafer fabs.
The AURIX™ product line delivers safety-certified microcontrollers for automotive real-time control, designed specifically for ASIL-D applications in powertrain, chassis, and ADAS domains with integrated safety mechanisms and AUTOSAR-ready peripherals.
FAQ
What is the maximum junction temperature rating for TC397XX256F300SBCKXUMA1?
The TC397XX256F300SBCKXUMA1 is rated for operation up to 150°C junction temperature, validated per AEC-Q100 Grade 1 qualification (−40°C to +125°C ambient). Thermal design must maintain Tj ≤ 150°C under worst-case power dissipation, including 300 MHz dual-core execution and active Ethernet/CAN FD traffic.
Does TC397XX256F300SBCKXUMA1 support AUTOSAR 4.4 and later?
Yes, the TC397XX256F300SBCKXUMA1 is fully compatible with AUTOSAR 4.4 and 4.5 through Infineon's AURIX™ Development Studio and certified MCAL drivers. It supports standardized COM, DCM, and E2E protection stacks, with hardware-accelerated CRC and memory protection aligned to AUTOSAR OS memory partitioning requirements.
How is the Safety Island configured and monitored in this device?
The Safety Island comprises a dedicated Safety Control Unit (SCU), redundant clock monitors, voltage supervisors, and memory built-in self-test (MBIST) logic. It runs independently of the main TriCore™ cores, continuously validating CPU lockstep alignment, flash/RAM integrity, and peripheral health-triggering a defined safe state (e.g., reset or shutdown) upon fault detection.
Can TC397XX256F300SBCKXUMA1 operate without an external crystal oscillator?
No-the TC397XX256F300SBCKXUMA1 requires an external 20–40 MHz crystal connected to OSC_IN/OSC_OUT pins to generate its base clock. The internal PLL uses this reference to produce the 300 MHz core clock; no internal RC oscillator is qualified for ASIL-D timing accuracy or stability.
TC397XX256F300SBCKXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 292-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, PWM, WDT
- Number of I/O:
- -
- Program Memory Size:
- 16MB (16M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 6.75M x 8
- Voltage - Supply (Vcc/Vdd):
- 3.3V, 5V
- Data Converters:
- -
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TC397XX256F300SBCKXUMA1 FAQ
1.How can I place an order for TC397XX256F300SBCKXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TC397XX256F300SBCKXUMA1 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 TC397XX256F300SBCKXUMA1 reliable?
The price and inventory of TC397XX256F300SBCKXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TC397XX256F300SBCKXUMA1 is usually 5 days.
3.What payment methods are accepted for TC397XX256F300SBCKXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TC397XX256F300SBCKXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TC397XX256F300SBCKXUMA1?
TC397XX256F300SBCKXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TC397XX256F300SBCKXUMA1 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 TC397XX256F300SBCKXUMA1?
For technical support, including TC397XX256F300SBCKXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TC397XX256F300SBCKXUMA1 requirements.
6.How does Aetrix verify that TC397XX256F300SBCKXUMA1 is sourced from the original manufacturer or authorized distributors?
All TC397XX256F300SBCKXUMA1 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 TC397XX256F300SBCKXUMA1 meets industry standards.
7.What is the process for return or replacement of TC397XX256F300SBCKXUMA1?
All TC397XX256F300SBCKXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TC397XX256F300SBCKXUMA1, 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 TC397XX256F300SBCKXUMA1 part is unused and in its original packaging.
Return procedure for TC397XX256F300SBCKXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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