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Infineon Technologies TC399XP256F300SBCKXUMA1
- Part No.:
- TC399XP256F300SBCKXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 516-LFBGA
- Datasheet:
-
TC399XP256F300SBCKXUMA1.pdf
- Description:
- IC MCU 32BIT 16MB FLASH 516LFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,846
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Product details
Overview
TC399XP256F300SBCKXUMA1 from Infineon is a 32-bit TriCore™ microcontroller with 2.5 MB flash, 300 MHz CPU frequency, and integrated safety features including lockstep cores and ECC-protected memory, used in automotive powertrain and chassis control units.
For engineers reviewing the TC399XP256F300SBCKXUMA1 datasheet, TC399XP256F300SBCKXUMA1 pinout, TC399XP256F300SBCKXUMA1 application, or TC399XP256F300SBCKXUMA1 equivalent, key selection criteria include ASIL-D compliance, dual-core lockstep operation, flash endurance (100k cycles), temperature range (–40°C to 150°C), and CAN FD interface support.
Technical Context
The TC399XP256F300SBCKXUMA1 integrates three independent TriCore™ CPUs (two in lockstep for safety-critical tasks, one for application processing), with 2.5 MB on-chip flash (including 256 KB data flash), 480 KB SRAM, and hardware-based safety mechanisms including memory BIST, CPU self-tests, and error-correcting code for flash and RAM.
It supports up to 12x CAN FD channels, 4x SENT interfaces, 2x Ethernet AVB controllers, and includes a Peripheral Server for configurable peripheral routing, enabling flexible I/O mapping in complex automotive ECU architectures.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | TriCore™ TC1.6P ×3 (2 lockstep + 1 application core) |
| Max Clock Frequency | 300 MHz - enables real-time deterministic execution for ASIL-D software stacks |
| Flash Memory | 2.5 MB total (2.25 MB program flash + 256 KB data flash) - supports A/B swap firmware updates |
| SRAM | 480 KB with ECC protection - ensures data integrity for safety-critical variables |
| Operating Temp | –40°C to +150°C - qualified for under-hood automotive environments |
| Safety Certification | ISO 26262 ASIL-D compliant - meets highest automotive functional safety level |
| CAN FD Channels | 12 - supports high-bandwidth sensor/actuator communication in modern vehicle networks |
Pinout & Package
Package: PG-LQFP-176-27 (176-pin LQFP, 27 mm × 27 mm, 0.5 mm pitch, RoHS-compliant).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDP | Core Power Supply | 1.3 V ±3% supply for CPU and cache - requires low-noise regulation |
| VDDH | Analog & I/O Power | 5 V supply for ADC, DAC, and high-voltage I/O drivers |
| TRST | JTAG Test Reset | Asynchronous reset input for boundary-scan and debug initialization |
| ETH_RXD0–3 | Ethernet Receive Data | Dedicated 4-bit LVDS inputs for Automotive Ethernet AVB reception |
| CANFD0_TX | CAN FD Transmit Output | High-speed differential output (up to 5 Mbit/s) with slew-rate control |
Key Features
| Feature | Design Value |
|---|---|
| Lockstep Core Pair | Two identical TriCore™ CPUs executing identical instructions with cycle-accurate comparison - detects transient faults per ISO 26262 |
| Peripheral Server | Configurable routing matrix enabling dynamic assignment of timers, ADCs, and PWMs to any GPIO - reduces PCB layer count |
| Hardware Safety Manager | Integrated FSM monitoring clock, voltage, temperature, and memory integrity - triggers safe state transition without software intervention |
| SENT Interface | 4x bidirectional SENT receivers/transmitters - supports direct connection to pressure, temperature, and position sensors |
| Flash Security | Secure boot with SHA-256 signature verification and encrypted firmware update via HSM - prevents unauthorized firmware injection |
Applications
| Engine Control Unit (ECU) | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection, and knock detection in gasoline/diesel engines. IC Role / Device Role / Timing Role: Primary safety-certified controller managing torque delivery and emissions compliance. Use Value: Dual-lockstep execution ensures fault-free ignition timing even under EMI stress; 300 MHz throughput handles 10+ cylinder models with <1 µs jitter. | Use Scenario: Closed-loop motor torque control and assist-level modulation in column-assist and rack-assist EPS systems. IC Role / Device Role / Timing Role: Safety-critical actuator controller with ASIL-D path for torque command validation and fail-safe shutdown. Use Value: Hardware safety manager triggers immediate torque reduction within 5 ms on sensor fault; SENT interfaces directly acquire steering angle and torque sensor data. |
| Brake-by-Wire System | Vehicle Dynamics Control |
Use Scenario: Redundant hydraulic pressure modulation and wheel slip management in electro-hydraulic brake systems. IC Role / Device Role / Timing Role: Dual-channel safety controller coordinating master cylinder and caliper actuators with cross-monitoring. Use Value: Lockstep core pair validates each braking command; 12 CAN FD channels enable synchronized communication with ABS, ESC, and ADAS ECUs at 2 Mbit/s. | Use Scenario: Real-time fusion of yaw rate, lateral acceleration, and wheel speed data for stability intervention. IC Role / Device Role / Timing Role: High-integrity sensor hub and decision engine executing ISO 26262-compliant control algorithms. Use Value: 480 KB ECC SRAM stores multiple concurrent control models; Ethernet AVB provides deterministic latency (<100 µs) for V2X coordination signals. |
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 TriCore™, 1.25 MB flash, no lockstep, lower temp rating (–40°C to 125°C) | Targeted for ASIL-B body control modules, not suitable for ASIL-D powertrain | Select only when safety requirements are ≤ ASIL-B and cost sensitivity outweighs redundancy needs |
| S32K344UAT0VLQY | ARM Cortex-M7 + M33 dual-core, 4 MB flash, 200 MHz, NXP SafeAssure ASIL-D certified | Same safety tier but different architecture; lacks SENT and Peripheral Server flexibility | Prefer when existing ARM toolchain and AUTOSAR Classic integration are prioritized over TriCore-specific peripherals |
Compared with TC377TP128F300NACXUMA1, the TC399XP256F300SBCKXUMA1 delivers full ASIL-D compliance via lockstep and higher thermal resilience; versus S32K344UAT0VLQY, it offers superior sensor interface density and hardware-configurable peripheral routing for complex chassis domain controllers.
Availability
TC399XP256F300SBCKXUMA1 is available at Aetrix Electronics and suitable for automotive powertrain control, electric power steering, and brake-by-wire systems requiring stable component supply across multi-year production cycles.
Supply support for TC399XP256F300SBCKXUMA1 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 semiconductors, automotive MCUs, and security solutions, with global R&D and manufacturing infrastructure.
The AURIX™ family, including TC399XP256F300SBCKXUMA1, was designed specifically for ASIL-D automotive safety applications such as engine management, chassis control, and autonomous driving support systems.
FAQ
What is the maximum junction temperature specification for TC399XP256F300SBCKXUMA1?
The device is rated for a maximum junction temperature of +150°C, validated per AEC-Q100 Grade 0 qualification. This allows direct mounting in high-thermal-load locations like engine compartments without external heatsinking, provided board-level thermal design meets Infineon's recommended copper pour and via patterns per AN2019-07.
Does TC399XP256F300SBCKXUMA1 support secure boot with cryptographic verification?
Yes, it implements secure boot using SHA-256 hash verification of the boot image stored in protected flash. The Hardware Security Module (HSM) performs signature validation before code execution, and supports AES-128 encryption for firmware updates delivered over CAN FD or Ethernet AVB.
How many independent CAN FD interfaces does TC399XP256F300SBCKXUMA1 provide?
The device integrates 12 fully independent CAN FD controllers, each with dedicated message RAM and bit-rate configuration registers. All 12 support simultaneous operation at up to 5 Mbit/s data phase, with programmable sample points and automatic retransmission on arbitration loss.
Is external RAM required for typical ASIL-D application firmware deployment?
No, the on-chip 480 KB ECC-protected SRAM is sufficient for full ASIL-D runtime stacks, including AUTOSAR OS, RTE, and safety monitor tasks. External RAM is optional and only needed for non-safety logging buffers or large calibration tables exceeding internal memory capacity.
TC399XP256F300SBCKXUMA1 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, 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:
- A/D 100x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TC399XP256F300SBCKXUMA1 FAQ
1.How can I place an order for TC399XP256F300SBCKXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TC399XP256F300SBCKXUMA1 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 TC399XP256F300SBCKXUMA1 reliable?
The price and inventory of TC399XP256F300SBCKXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TC399XP256F300SBCKXUMA1 is usually 5 days.
3.What payment methods are accepted for TC399XP256F300SBCKXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TC399XP256F300SBCKXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TC399XP256F300SBCKXUMA1?
TC399XP256F300SBCKXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TC399XP256F300SBCKXUMA1 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 TC399XP256F300SBCKXUMA1?
For technical support, including TC399XP256F300SBCKXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TC399XP256F300SBCKXUMA1 requirements.
6.How does Aetrix verify that TC399XP256F300SBCKXUMA1 is sourced from the original manufacturer or authorized distributors?
All TC399XP256F300SBCKXUMA1 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 TC399XP256F300SBCKXUMA1 meets industry standards.
7.What is the process for return or replacement of TC399XP256F300SBCKXUMA1?
All TC399XP256F300SBCKXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TC399XP256F300SBCKXUMA1, 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 TC399XP256F300SBCKXUMA1 part is unused and in its original packaging.
Return procedure for TC399XP256F300SBCKXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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